diff --git a/.php_cs.cache b/.php_cs.cache
new file mode 100644
index 00000000..76d211ab
--- /dev/null
+++ b/.php_cs.cache
@@ -0,0 +1 @@
+{"php":"7.3.6","version":"2.16.0:v2.16.0#ceaff36bee1ed3f1bbbedca36d2528c0826c336d","indent":"    ","lineEnding":"\n","rules":{"array_syntax":{"syntax":"short"},"binary_operator_spaces":true,"blank_line_after_opening_tag":true,"blank_line_before_statement":{"statements":["return"]},"braces":{"allow_single_line_closure":true},"cast_spaces":true,"class_attributes_separation":{"elements":["method"]},"class_definition":{"single_line":true},"concat_space":true,"declare_equal_normalize":true,"function_typehint_space":true,"include":true,"increment_style":true,"lowercase_cast":true,"lowercase_static_reference":true,"magic_constant_casing":true,"magic_method_casing":true,"method_argument_space":true,"native_function_casing":true,"native_function_type_declaration_casing":true,"new_with_braces":true,"no_blank_lines_after_class_opening":true,"no_blank_lines_after_phpdoc":true,"no_empty_comment":true,"no_empty_phpdoc":true,"no_empty_statement":true,"no_extra_blank_lines":{"tokens":["curly_brace_block","extra","parenthesis_brace_block","square_brace_block","throw","use"]},"no_leading_import_slash":true,"no_leading_namespace_whitespace":true,"no_mixed_echo_print":true,"no_multiline_whitespace_around_double_arrow":true,"no_short_bool_cast":true,"no_singleline_whitespace_before_semicolons":true,"no_spaces_around_offset":true,"no_superfluous_phpdoc_tags":{"allow_mixed":true,"allow_unused_params":true},"no_trailing_comma_in_list_call":true,"no_trailing_comma_in_singleline_array":true,"no_unneeded_control_parentheses":true,"no_unneeded_curly_braces":true,"no_unneeded_final_method":true,"no_unused_imports":true,"no_whitespace_before_comma_in_array":true,"no_whitespace_in_blank_line":true,"normalize_index_brace":true,"object_operator_without_whitespace":true,"ordered_imports":true,"php_unit_fqcn_annotation":true,"phpdoc_align":{"tags":["method","param","property","return","throws","type","var"]},"phpdoc_annotation_without_dot":true,"phpdoc_indent":true,"phpdoc_inline_tag":true,"phpdoc_no_access":true,"phpdoc_no_alias_tag":true,"phpdoc_no_package":true,"phpdoc_no_useless_inheritdoc":true,"phpdoc_return_self_reference":true,"phpdoc_scalar":true,"phpdoc_separation":true,"phpdoc_single_line_var_spacing":true,"phpdoc_summary":true,"phpdoc_to_comment":true,"phpdoc_trim":true,"phpdoc_trim_consecutive_blank_line_separation":true,"phpdoc_types":true,"phpdoc_types_order":{"null_adjustment":"always_last","sort_algorithm":"none"},"phpdoc_var_without_name":true,"return_type_declaration":true,"semicolon_after_instruction":true,"short_scalar_cast":true,"single_blank_line_before_namespace":true,"single_class_element_per_statement":true,"single_line_comment_style":{"comment_types":["hash"]},"single_line_throw":true,"single_quote":true,"single_trait_insert_per_statement":true,"space_after_semicolon":{"remove_in_empty_for_expressions":true},"standardize_increment":true,"standardize_not_equals":true,"ternary_operator_spaces":true,"trailing_comma_in_multiline_array":true,"trim_array_spaces":true,"unary_operator_spaces":true,"whitespace_after_comma_in_array":true,"yoda_style":true,"blank_line_after_namespace":true,"constant_case":true,"elseif":true,"function_declaration":true,"indentation_type":true,"line_ending":true,"lowercase_keywords":true,"no_break_comment":true,"no_closing_tag":true,"no_spaces_after_function_name":true,"no_spaces_inside_parenthesis":true,"no_trailing_whitespace":true,"no_trailing_whitespace_in_comment":true,"single_blank_line_at_eof":true,"single_import_per_statement":true,"single_line_after_imports":true,"switch_case_semicolon_to_colon":true,"switch_case_space":true,"visibility_required":true,"encoding":true,"full_opening_tag":true,"dir_constant":true,"ereg_to_preg":true,"error_suppression":true,"fopen_flag_order":true,"function_to_constant":true,"implode_call":true,"is_null":true,"modernize_types_casting":true,"native_constant_invocation":{"fix_built_in":false,"include":["DIRECTORY_SEPARATOR","PHP_SAPI","PHP_VERSION_ID"],"scope":"namespaced"},"native_function_invocation":{"include":["@compiler_optimized"],"scope":"namespaced","strict":true},"no_alias_functions":true,"no_homoglyph_names":true,"non_printable_character":true,"php_unit_construct":true,"php_unit_mock_short_will_return":true,"psr4":true,"self_accessor":true,"set_type_to_cast":true,"php_unit_dedicate_assert_internal_type":{"target":"7.5"},"php_unit_namespaced":{"target":"6.0"},"php_unit_dedicate_assert":{"target":"5.6"},"php_unit_expectation":{"target":"5.6"},"php_unit_mock":{"target":"5.5"},"php_unit_no_expectation_annotation":{"target":"4.3"},"combine_nested_dirname":true},"hashes":{"src\\Command\\CleanAttachmentsCommand.php":2908442282,"src\\Command\\ConvertBBCodeCommand.php":2987395581,"src\\Command\\SetPasswordCommand.php":2214878570,"src\\Command\\UpdateExchangeRatesCommand.php":2478314487,"src\\Configuration\\PermissionsConfiguration.php":2292703041,"src\\Controller\\AdminPages\\AttachmentTypeController.php":2043735562,"src\\Controller\\AdminPages\\BaseAdminController.php":199943669,"src\\Controller\\AdminPages\\CategoryController.php":2332760319,"src\\Controller\\AdminPages\\CurrencyController.php":1707599961,"src\\Controller\\AdminPages\\DeviceController.php":1643684955,"src\\Controller\\AdminPages\\FootprintController.php":4274611247,"src\\Controller\\AdminPages\\ManufacturerController.php":398603842,"src\\Controller\\AdminPages\\MeasurementUnitController.php":3602410282,"src\\Controller\\AdminPages\\StorelocationController.php":2319716752,"src\\Controller\\AdminPages\\SupplierController.php":981802406,"src\\Controller\\AttachmentFileController.php":1843792477,"src\\Controller\\DebugController.php":1887303631,"src\\Controller\\GroupController.php":2553259838,"src\\Controller\\HomepageController.php":890878176,"src\\Controller\\PartController.php":422633708,"src\\Controller\\PartListsController.php":2203269023,"src\\Controller\\RedirectController.php":3017636547,"src\\Controller\\SecurityController.php":3402949811,"src\\Controller\\TreeController.php":1098072083,"src\\Controller\\TypeaheadController.php":701921162,"src\\Controller\\UserController.php":2302195322,"src\\DataFixtures\\AppFixtures.php":2963967304,"src\\DataFixtures\\DataStructureFixtures.php":431104433,"src\\DataFixtures\\GroupFixtures.php":3858137367,"src\\DataFixtures\\UserFixtures.php":3167825813,"src\\DataTables\\AttachmentDataTable.php":4057506203,"src\\DataTables\\Column\\EntityColumn.php":1510470116,"src\\DataTables\\Column\\LocaleDateTimeColumn.php":908976159,"src\\DataTables\\PartsDataTable.php":190824757,"src\\Entity\\Attachments\\Attachment.php":3179331481,"src\\Entity\\Attachments\\AttachmentContainingDBElement.php":1075739443,"src\\Entity\\Attachments\\AttachmentType.php":2791499020,"src\\Entity\\Attachments\\AttachmentTypeAttachment.php":2485692758,"src\\Entity\\Attachments\\CategoryAttachment.php":2403256637,"src\\Entity\\Attachments\\CurrencyAttachment.php":24135120,"src\\Entity\\Attachments\\DeviceAttachment.php":2324000529,"src\\Entity\\Attachments\\FootprintAttachment.php":2560722039,"src\\Entity\\Attachments\\GroupAttachment.php":3895624202,"src\\Entity\\Attachments\\ManufacturerAttachment.php":515231899,"src\\Entity\\Attachments\\MeasurementUnitAttachment.php":3485510744,"src\\Entity\\Attachments\\PartAttachment.php":4250738841,"src\\Entity\\Attachments\\StorelocationAttachment.php":3453695181,"src\\Entity\\Attachments\\SupplierAttachment.php":3954069882,"src\\Entity\\Attachments\\UserAttachment.php":4186678762,"src\\Entity\\Base\\Company.php":1915616836,"src\\Entity\\Base\\DBElement.php":1101919543,"src\\Entity\\Base\\MasterAttachmentTrait.php":837971824,"src\\Entity\\Base\\NamedDBElement.php":803194601,"src\\Entity\\Base\\PartsContainingDBElement.php":646909351,"src\\Entity\\Base\\StructuralDBElement.php":2044199864,"src\\Entity\\Base\\TimestampTrait.php":2708737647,"src\\Entity\\Devices\\Device.php":1508962504,"src\\Entity\\Devices\\DevicePart.php":35018670,"src\\Entity\\Parts\\Category.php":774843680,"src\\Entity\\Parts\\Footprint.php":3859634492,"src\\Entity\\Parts\\Manufacturer.php":3809823616,"src\\Entity\\Parts\\MeasurementUnit.php":2912156176,"src\\Entity\\Parts\\Part.php":4192739584,"src\\Entity\\Parts\\PartLot.php":2180429772,"src\\Entity\\Parts\\PartTraits\\AdvancedPropertyTrait.php":1202738823,"src\\Entity\\Parts\\PartTraits\\BasicPropertyTrait.php":4185734632,"src\\Entity\\Parts\\PartTraits\\InstockTrait.php":1873097051,"src\\Entity\\Parts\\PartTraits\\ManufacturerTrait.php":3468487154,"src\\Entity\\Parts\\PartTraits\\OrderTrait.php":3932234196,"src\\Entity\\Parts\\Storelocation.php":2765793307,"src\\Entity\\Parts\\Supplier.php":3420235130,"src\\Entity\\PriceInformations\\Currency.php":1085803866,"src\\Entity\\PriceInformations\\Orderdetail.php":2190484276,"src\\Entity\\PriceInformations\\Pricedetail.php":4018021368,"src\\Entity\\UserSystem\\Group.php":403305251,"src\\Entity\\UserSystem\\PermissionsEmbed.php":205366727,"src\\Entity\\UserSystem\\User.php":4200871585,"src\\EntityListeners\\AttachmentDeleteListener.php":3708835753,"src\\EntityListeners\\TreeCacheInvalidationListener.php":4271177067,"src\\EventSubscriber\\LoginSuccessListener.php":3290811941,"src\\EventSubscriber\\LogoutOnDisabledUserListener.php":1379035211,"src\\EventSubscriber\\SymfonyDebugToolbarSubscriber.php":3244347947,"src\\EventSubscriber\\TimezoneListener.php":1719734434,"src\\Exceptions\\AttachmentDownloadException.php":2916573626,"src\\Exceptions\\EntityNotSupportedException.php":2435284975,"src\\Form\\AdminPages\\AttachmentTypeAdminForm.php":2650814797,"src\\Form\\AdminPages\\BaseEntityAdminForm.php":707930465,"src\\Form\\AdminPages\\CategoryAdminForm.php":3496349857,"src\\Form\\AdminPages\\CompanyForm.php":1291902630,"src\\Form\\AdminPages\\CurrencyAdminForm.php":2310942389,"src\\Form\\AdminPages\\FootprintAdminForm.php":3045276981,"src\\Form\\AdminPages\\GroupAdminForm.php":3121051016,"src\\Form\\AdminPages\\ImportType.php":4176723793,"src\\Form\\AdminPages\\MassCreationForm.php":888518718,"src\\Form\\AdminPages\\MeasurementUnitAdminForm.php":3004432840,"src\\Form\\AdminPages\\StorelocationAdminForm.php":2323716743,"src\\Form\\AdminPages\\SupplierForm.php":4018499008,"src\\Form\\AttachmentFormType.php":3210088880,"src\\Form\\Part\\OrderdetailType.php":2662506322,"src\\Form\\Part\\PartBaseType.php":898045911,"src\\Form\\Part\\PartLotType.php":2338377803,"src\\Form\\Part\\PricedetailType.php":1490806012,"src\\Form\\Permissions\\PermissionGroupType.php":2524182940,"src\\Form\\Permissions\\PermissionsMapper.php":1163401752,"src\\Form\\Permissions\\PermissionsType.php":1106564554,"src\\Form\\Permissions\\PermissionType.php":331672534,"src\\Form\\Type\\CurrencyEntityType.php":3759799614,"src\\Form\\Type\\MasterPictureAttachmentType.php":2603681397,"src\\Form\\Type\\SIUnitType.php":2016913257,"src\\Form\\Type\\StructuralEntityType.php":589624973,"src\\Form\\Type\\TriStateCheckboxType.php":1561238730,"src\\Form\\UserAdminForm.php":1522499243,"src\\Form\\UserSettingsType.php":2161828990,"src\\Helpers\\BBCodeToMarkdownConverter.php":96305637,"src\\Helpers\\TreeViewNode.php":4023335168,"src\\Helpers\\TreeViewNodeState.php":1494408863,"src\\Helpers\\UTCDateTimeType.php":2732968354,"src\\Kernel.php":1116622545,"src\\Migrations\\Version1.php":4120408624,"src\\Migrations\\Version20190902140506.php":3292952863,"src\\Migrations\\Version20190913141126.php":2563793341,"src\\Migrations\\Version20190924113252.php":3219990553,"src\\Repository\\PartRepository.php":2577496518,"src\\Repository\\StructuralDBElementRepository.php":677611017,"src\\Repository\\UserRepository.php":3545774539,"src\\Security\\Annotations\\ColumnSecurity.php":566606204,"src\\Security\\EntityListeners\\ElementPermissionListener.php":2460254839,"src\\Security\\Interfaces\\HasPermissionsInterface.php":2020026839,"src\\Security\\UserChecker.php":3891573841,"src\\Security\\Voter\\AttachmentVoter.php":831559087,"src\\Security\\Voter\\ExtendedVoter.php":849288942,"src\\Security\\Voter\\GroupVoter.php":3159044518,"src\\Security\\Voter\\PartVoter.php":44030195,"src\\Security\\Voter\\PermissionVoter.php":3336939541,"src\\Security\\Voter\\StructureVoter.php":2372406494,"src\\Security\\Voter\\UserVoter.php":2043762541,"src\\Services\\AmountFormatter.php":1174463127,"src\\Services\\Attachments\\AttachmentManager.php":1767336959,"src\\Services\\Attachments\\AttachmentPathResolver.php":3903709913,"src\\Services\\Attachments\\AttachmentReverseSearch.php":4106615088,"src\\Services\\Attachments\\AttachmentSubmitHandler.php":214831333,"src\\Services\\Attachments\\AttachmentURLGenerator.php":4159809971,"src\\Services\\Attachments\\BuiltinAttachmentsFinder.php":4197852886,"src\\Services\\Attachments\\FileTypeFilterTools.php":2265205006,"src\\Services\\Attachments\\PartPreviewGenerator.php":3296326077,"src\\Services\\ElementTypeNameGenerator.php":1146150845,"src\\Services\\EntityExporter.php":1214704187,"src\\Services\\EntityImporter.php":852222861,"src\\Services\\EntityURLGenerator.php":2045229148,"src\\Services\\GitVersionInfo.php":2876352447,"src\\Services\\MarkdownParser.php":1800926498,"src\\Services\\MoneyFormatter.php":2556966976,"src\\Services\\PermissionResolver.php":2769642819,"src\\Services\\PricedetailHelper.php":698230535,"src\\Services\\SIFormatter.php":1138826431,"src\\Services\\StructuralElementRecursionHelper.php":350965913,"src\\Services\\TagFinder.php":4108516166,"src\\Services\\ToolsTreeBuilder.php":1079849839,"src\\Services\\TranslationExtractor\\PermissionExtractor.php":2379032323,"src\\Services\\TreeBuilder.php":773475422,"src\\Services\\UserCacheKeyGenerator.php":602924229,"src\\Twig\\AppExtension.php":1446709883,"src\\Validator\\Constraints\\AllowedFileExtension.php":2636718005,"src\\Validator\\Constraints\\AllowedFileExtensionValidator.php":2759618947,"src\\Validator\\Constraints\\NoLockout.php":3624981320,"src\\Validator\\Constraints\\NoLockoutValidator.php":3493345860,"src\\Validator\\Constraints\\NoneOfItsChildren.php":1276347049,"src\\Validator\\Constraints\\NoneOfItsChildrenValidator.php":2211921658,"src\\Validator\\Constraints\\Selectable.php":4202102224,"src\\Validator\\Constraints\\SelectableValidator.php":3834058426,"src\\Validator\\Constraints\\UrlOrBuiltin.php":853948628,"src\\Validator\\Constraints\\UrlOrBuiltinValidator.php":3558280999,"src\\Validator\\Constraints\\ValidFileFilter.php":630385033,"src\\Validator\\Constraints\\ValidFileFilterValidator.php":4287615068,"src\\Validator\\Constraints\\ValidPartLot.php":1207490428,"src\\Validator\\Constraints\\ValidPartLotValidator.php":2590613882,"src\\Validator\\Constraints\\ValidPermission.php":2714384844,"src\\Validator\\Constraints\\ValidPermissionValidator.php":2719956864,"tests\\Controller\\AdminPages\\AbstractAdminControllerTest.php":1062895990,"tests\\Controller\\AdminPages\\AttachmentTypeControllerTest.php":1851572998,"tests\\Controller\\AdminPages\\CategoryControllerTest.php":3055054466,"tests\\Controller\\AdminPages\\DeviceControllerTest.php":298260400,"tests\\Controller\\AdminPages\\FootprintControllerTest.php":3545271305,"tests\\Controller\\AdminPages\\ManufacturerControllerTest.php":3593233112,"tests\\Controller\\AdminPages\\MeasurementUnitControllerTest.php":4008297325,"tests\\Controller\\AdminPages\\StorelocationControllerTest.php":3328115423,"tests\\Controller\\AdminPages\\SupplierControllerTest.php":2990639805,"tests\\Controller\\RedirectControllerTest.php":2162110459,"tests\\Entity\\Attachments\\AttachmentTest.php":4196625113,"tests\\Entity\\Attachments\\AttachmentTypeTest.php":2179722054,"tests\\Entity\\Parts\\PartLotTest.php":3186371808,"tests\\Entity\\Parts\\PartTest.php":2431087462,"tests\\Entity\\PriceSystem\\CurrencyTest.php":3047106740,"tests\\Entity\\PriceSystem\\OrderdetailTest.php":3366114275,"tests\\Entity\\PriceSystem\\PricedetailTest.php":2947791329,"tests\\Entity\\StructuralDBElementTest.php":4091822439,"tests\\Entity\\UserSystem\\PermissionsEmbedTest.php":1625719810,"tests\\Entity\\UserSystem\\UserTest.php":3005477241,"tests\\Helpers\\BBCodeToMarkdownConverterTest.php":722308221,"tests\\Helpers\\TreeViewNodeTest.php":479496228,"tests\\Services\\AmountFormatterTest.php":2220293280,"tests\\Services\\Attachments\\AttachmentPathResolverTest.php":1244829604,"tests\\Services\\Attachments\\AttachmentURLGeneratorTest.php":1468896953,"tests\\Services\\Attachments\\BuiltinAttachmentsFinderTest.php":2778824448,"tests\\Services\\Attachments\\FileTypeFilterToolsTest.php":2163556490,"tests\\Services\\PermissionResolverTest.php":2934090111,"tests\\Services\\PricedetailHelperTest.php":2101366552,"tests\\Services\\SIFormatterTest.php":2424942615,".php_cs.dist":3212446582}}
\ No newline at end of file
diff --git a/.php_cs.dist b/.php_cs.dist
new file mode 100644
index 00000000..8cb87fc6
--- /dev/null
+++ b/.php_cs.dist
@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * Based on the .php_cs.dist of the symfony project
+ * https://github.com/symfony/symfony/blob/4.4/.php_cs.dist
+ */
+
+if (!file_exists(__DIR__.'/src')) {
+    exit(0);
+}
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@Symfony' => true,
+        '@Symfony:risky' => true,
+        '@PHPUnit75Migration:risky' => true,
+        'php_unit_dedicate_assert' => ['target' => '5.6'],
+        'array_syntax' => ['syntax' => 'short'],
+        'fopen_flags' => false,
+        'protected_to_private' => false,
+        'combine_nested_dirname' => true,
+    ])
+    ->setRiskyAllowed(true)
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->in(__DIR__.'/src')
+            ->in(__DIR__.'/tests')
+            ->append([__FILE__])
+    )
+    ;
diff --git a/src/Command/CleanAttachmentsCommand.php b/src/Command/CleanAttachmentsCommand.php
index 912d9aef..49572f76 100644
--- a/src/Command/CleanAttachmentsCommand.php
+++ b/src/Command/CleanAttachmentsCommand.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,26 +17,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Command;
 
 use App\Services\Attachments\AttachmentManager;
-use App\Services\Attachments\AttachmentReverseSearch;
 use App\Services\Attachments\AttachmentPathResolver;
+use App\Services\Attachments\AttachmentReverseSearch;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Helper\Table;
-use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Finder\Finder;
-use Symfony\Component\Mime\FileinfoMimeTypeGuesser;
 use Symfony\Component\Mime\MimeTypes;
-use Symfony\Component\Mime\MimeTypesInterface;
 
 class CleanAttachmentsCommand extends Command
 {
@@ -69,9 +64,9 @@ class CleanAttachmentsCommand extends Command
         $io = new SymfonyStyle($input, $output);
 
         $mediaPath = $this->pathResolver->getMediaPath();
-        $io->note("The media path is " . $mediaPath);
+        $io->note('The media path is '.$mediaPath);
         $securePath = $this->pathResolver->getSecurePath();
-        $io->note("The secure media path is ". $securePath);
+        $io->note('The secure media path is '.$securePath);
 
         $finder = new Finder();
         //We look for files in the media folder only
@@ -81,7 +76,7 @@ class CleanAttachmentsCommand extends Command
 
         $fs = new Filesystem();
 
-        $file_list = array();
+        $file_list = [];
 
         $table = new Table($output);
         $table->setHeaders(['Filename', 'MIME Type', 'Last modified date']);
@@ -89,20 +84,20 @@ class CleanAttachmentsCommand extends Command
 
         foreach ($finder as $file) {
             //If not attachment object uses this file, print it
-            if (count($this->reverseSearch->findAttachmentsByFile($file)) == 0) {
+            if (0 == \count($this->reverseSearch->findAttachmentsByFile($file))) {
                 $file_list[] = $file;
                 $table->addRow([
                     $fs->makePathRelative($file->getPathname(), $mediaPath),
                     $this->mimeTypeGuesser->guessMimeType($file->getPathname()),
-                    $dateformatter->format($file->getMTime())
+                    $dateformatter->format($file->getMTime()),
                 ]);
             }
         }
 
-        if (count($file_list) > 0) {
+        if (\count($file_list) > 0) {
             $table->render();
 
-            $continue = $io->confirm(sprintf("Found %d abandoned files. Do you want to delete them? This can not be undone!", count($file_list)), false);
+            $continue = $io->confirm(sprintf('Found %d abandoned files. Do you want to delete them? This can not be undone!', \count($file_list)), false);
 
             if (!$continue) {
                 //We are finished here, when no files should be deleted
@@ -114,27 +109,26 @@ class CleanAttachmentsCommand extends Command
             //Delete empty folders:
             $this->removeEmptySubFolders($mediaPath);
 
-            $io->success("All abandoned files were removed.");
-
+            $io->success('All abandoned files were removed.');
         } else {
-            $io->success("No abandoned files found.");
+            $io->success('No abandoned files found.');
         }
-
-
     }
 
     /**
-     * This function removes all empty folders inside $path. Taken from https://stackoverflow.com/a/1833681
+     * This function removes all empty folders inside $path. Taken from https://stackoverflow.com/a/1833681.
+     *
      * @param string $path The path in which the empty folders should be deleted
+     *
      * @return bool
      */
     protected function removeEmptySubFolders($path)
     {
-        $empty=true;
-        foreach (glob($path . DIRECTORY_SEPARATOR . "*") as $file)
-        {
+        $empty = true;
+        foreach (glob($path.\DIRECTORY_SEPARATOR.'*') as $file) {
             $empty &= is_dir($file) && $this->removeEmptySubFolders($file);
         }
+
         return $empty && rmdir($path);
     }
 }
diff --git a/src/Command/ConvertBBCodeCommand.php b/src/Command/ConvertBBCodeCommand.php
index 7a7f5aa5..4b5870c1 100644
--- a/src/Command/ConvertBBCodeCommand.php
+++ b/src/Command/ConvertBBCodeCommand.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Command;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\NamedDBElement;
 use App\Entity\Devices\Device;
@@ -45,13 +43,12 @@ use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 
 /**
  * This command converts the BBCode used by old Part-DB versions (<1.0), to the current used markdown format.
- * @package App\Command
  */
 class ConvertBBCodeCommand extends Command
 {
     /** @var string The LIKE criteria used to detect on SQL server if a entry contains BBCode */
-    protected const BBCODE_CRITERIA = "%[%]%[/%]%";
-    /** @var string The regex (performed in PHP) used to check if a property really contains BBCODE  */
+    protected const BBCODE_CRITERIA = '%[%]%[/%]%';
+    /** @var string The regex (performed in PHP) used to check if a property really contains BBCODE */
     protected const BBCODE_REGEX = '/\\[.+\\].*\\[\\/.+\\]/';
 
     protected static $defaultName = 'app:convert-bbcode';
@@ -83,9 +80,10 @@ class ConvertBBCodeCommand extends Command
 
     /**
      * Returns a list which entities and which properties need to be checked.
+     *
      * @return array
      */
-    protected function getTargetsLists() : array
+    protected function getTargetsLists(): array
     {
         return [
             Part::class => ['description', 'comment'],
@@ -120,19 +118,19 @@ class ConvertBBCodeCommand extends Command
                 ->select('e');
             //Add fields criteria
             foreach ($properties as $key => $property) {
-                $qb->orWhere('e.' . $property . ' LIKE ?' . $key);
+                $qb->orWhere('e.'.$property.' LIKE ?'.$key);
                 $qb->setParameter($key, static::BBCODE_CRITERIA);
             }
 
             //Fetch resulting classes
             $results = $qb->getQuery()->getResult();
-            $io->note(sprintf('Found %d entities, that need to be converted!', count($results)));
+            $io->note(sprintf('Found %d entities, that need to be converted!', \count($results)));
 
             //In verbose mode print the names of the entities
             foreach ($results as $result) {
-                /** @var NamedDBElement $result */
+                /* @var NamedDBElement $result */
                 $io->writeln(
-                    'Convert entity: ' . $result->getName() . ' (' . $result->getIDString() . ')',
+                    'Convert entity: '.$result->getName().' ('.$result->getIDString().')',
                     OutputInterface::VERBOSITY_VERBOSE
                 );
                 foreach ($properties as $property) {
@@ -144,19 +142,18 @@ class ConvertBBCodeCommand extends Command
                     }
                     $io->writeln(
                         'BBCode (old): '
-                        . str_replace('\n', ' ', substr($bbcode, 0, 255)),
+                        .str_replace('\n', ' ', substr($bbcode, 0, 255)),
                         OutputInterface::VERBOSITY_VERY_VERBOSE
                     );
                     $markdown = $this->converter->convert($bbcode);
                     $io->writeln(
                         'Markdown (new): '
-                        . str_replace('\n', ' ', substr($markdown, 0, 255)),
+                        .str_replace('\n', ' ', substr($markdown, 0, 255)),
                         OutputInterface::VERBOSITY_VERY_VERBOSE
                     );
                     $io->writeln('', OutputInterface::VERBOSITY_VERY_VERBOSE);
                     $this->propertyAccessor->setValue($result, $property, $markdown);
                 }
-
             }
         }
 
@@ -166,6 +163,4 @@ class ConvertBBCodeCommand extends Command
             $io->success('Changes saved to DB successfully!');
         }
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Command/SetPasswordCommand.php b/src/Command/SetPasswordCommand.php
index 98358f31..986ee857 100644
--- a/src/Command/SetPasswordCommand.php
+++ b/src/Command/SetPasswordCommand.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Command;
diff --git a/src/Command/UpdateExchangeRatesCommand.php b/src/Command/UpdateExchangeRatesCommand.php
index 8e91cff2..108255a1 100644
--- a/src/Command/UpdateExchangeRatesCommand.php
+++ b/src/Command/UpdateExchangeRatesCommand.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,15 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Command;
 
 use App\Entity\PriceInformations\Currency;
-use App\Form\AdminPages\CurrencyAdminForm;
 use Doctrine\ORM\EntityManagerInterface;
-use PHPUnit\Runner\Exception;
 use Swap\Builder;
 use Swap\Swap;
 use Symfony\Component\Console\Command\Command;
@@ -70,12 +67,13 @@ class UpdateExchangeRatesCommand extends Command
         $io = new SymfonyStyle($input, $output);
 
         //Check for valid base current
-        if (strlen($this->base_current) !== 3) {
-            $io->error("Choosen Base current is not valid. Check your settings!");
+        if (3 !== \strlen($this->base_current)) {
+            $io->error('Choosen Base current is not valid. Check your settings!');
+
             return;
         }
 
-        $io->note('Update currency exchange rates with base currency: ' . $this->base_current);
+        $io->note('Update currency exchange rates with base currency: '.$this->base_current);
 
         $service = $input->getOption('service');
         $api_key = $input->getOption('api_key');
@@ -88,7 +86,7 @@ class UpdateExchangeRatesCommand extends Command
         //Check what currencies we need to update:
         $iso_code = $input->getArgument('iso_code');
         $repo = $this->em->getRepository(Currency::class);
-        $candidates = array();
+        $candidates = [];
 
         if (!empty($iso_code)) {
             $candidates = $repo->findBy(['iso_code' => $iso_code]);
@@ -101,22 +99,21 @@ class UpdateExchangeRatesCommand extends Command
         //Iterate over each candidate and update exchange rate
         foreach ($candidates as $currency) {
             try {
-                $rate = $swap->latest($currency->getIsoCode() . '/' . $this->base_current);
+                $rate = $swap->latest($currency->getIsoCode().'/'.$this->base_current);
                 $currency->setExchangeRate($rate->getValue());
                 $io->note(sprintf('Set exchange rate of %s to %f', $currency->getIsoCode(), $currency->getExchangeRate()));
                 $this->em->persist($currency);
 
-                $success_counter++;
+                ++$success_counter;
             } catch (\Exchanger\Exception\Exception $ex) {
                 $io->warning(sprintf('Error updating %s:', $currency->getIsoCode()));
                 $io->warning($ex->getMessage());
             }
-
         }
 
         //Save to database
         $this->em->flush();
 
-        $io->success(sprintf('%d (of %d) currency exchange rates were updated.', $success_counter, count($candidates)));
+        $io->success(sprintf('%d (of %d) currency exchange rates were updated.', $success_counter, \count($candidates)));
     }
 }
diff --git a/src/Configuration/PermissionsConfiguration.php b/src/Configuration/PermissionsConfiguration.php
index ea224878..b3d41011 100644
--- a/src/Configuration/PermissionsConfiguration.php
+++ b/src/Configuration/PermissionsConfiguration.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Configuration;
diff --git a/src/Controller/AdminPages/AttachmentTypeController.php b/src/Controller/AdminPages/AttachmentTypeController.php
index c2bcd584..af26ad1a 100644
--- a/src/Controller/AdminPages/AttachmentTypeController.php
+++ b/src/Controller/AdminPages/AttachmentTypeController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Attachments\AttachmentTypeAttachment;
 use App\Form\AdminPages\AttachmentTypeAdminForm;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use App\Services\EntityExporter;
 use App\Services\EntityImporter;
 use App\Services\StructuralElementRecursionHelper;
@@ -37,11 +34,9 @@ use Symfony\Component\Routing\Annotation\Route;
 
 /**
  * @Route("/attachment_type")
- * @package App\Controller
  */
 class AttachmentTypeController extends BaseAdminController
 {
-
     protected $entity_class = AttachmentType::class;
     protected $twig_template = 'AdminPages/AttachmentTypeAdmin.html.twig';
     protected $form_class = AttachmentTypeAdminForm::class;
@@ -50,9 +45,7 @@ class AttachmentTypeController extends BaseAdminController
 
     /**
      * @Route("/{id}", name="attachment_type_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param AttachmentType $entity
-     * @param StructuralElementRecursionHelper $recursionHelper
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, AttachmentType $entity, StructuralElementRecursionHelper $recursionHelper)
@@ -60,13 +53,10 @@ class AttachmentTypeController extends BaseAdminController
         return $this->_delete($request, $entity, $recursionHelper);
     }
 
-
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="attachment_type_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
-     * @param AttachmentType $entity
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function edit(AttachmentType $entity, Request $request, EntityManagerInterface $em)
@@ -78,9 +68,6 @@ class AttachmentTypeController extends BaseAdminController
      * @Route("/new", name="attachment_type_new")
      * @Route("/")
      *
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param EntityImporter $importer
      * @return Response
      */
     public function new(Request $request, EntityManagerInterface $em, EntityImporter $importer)
@@ -90,8 +77,7 @@ class AttachmentTypeController extends BaseAdminController
 
     /**
      * @Route("/export", name="attachment_type_export_all")
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -101,13 +87,11 @@ class AttachmentTypeController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="attachment_type_export")
-     * @param Request $request
-     * @param AttachmentType $entity
+     *
      * @return Response
      */
     public function exportEntity(AttachmentType $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/BaseAdminController.php b/src/Controller/AdminPages/BaseAdminController.php
index 139d94eb..fe545f1e 100644
--- a/src/Controller/AdminPages/BaseAdminController.php
+++ b/src/Controller/AdminPages/BaseAdminController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
@@ -38,22 +37,18 @@ use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface;
 use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
-use Symfony\Component\Security\Core\Tests\Encoder\PasswordEncoder;
 use Symfony\Component\Validator\ConstraintViolationList;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 abstract class BaseAdminController extends AbstractController
 {
-
     protected $entity_class = '';
     protected $form_class = '';
     protected $twig_template = '';
     protected $route_base = '';
     protected $attachment_class = '';
 
-
     protected $passwordEncoder;
     protected $translator;
     protected $attachmentHelper;
@@ -62,11 +57,11 @@ abstract class BaseAdminController extends AbstractController
     public function __construct(TranslatorInterface $translator, UserPasswordEncoderInterface $passwordEncoder,
                                 AttachmentManager $attachmentHelper, AttachmentSubmitHandler $attachmentSubmitHandler)
     {
-        if ($this->entity_class === '' || $this->form_class === '' || $this->twig_template === '' || $this->route_base === '') {
+        if ('' === $this->entity_class || '' === $this->form_class || '' === $this->twig_template || '' === $this->route_base) {
             throw new \InvalidArgumentException('You have to override the $entity_class, $form_class, $route_base and $twig_template value in your subclasss!');
         }
 
-        if ($this->attachment_class === '') {
+        if ('' === $this->attachment_class) {
             throw new \InvalidArgumentException('You have to override the $attachment_class value in your subclass!');
         }
 
@@ -78,7 +73,6 @@ abstract class BaseAdminController extends AbstractController
 
     protected function _edit(NamedDBElement $entity, Request $request, EntityManagerInterface $em)
     {
-
         $this->denyAccessUnlessGranted('read', $entity);
 
         $form = $this->createForm($this->form_class, $entity, ['attachment_class' => $this->attachment_class]);
@@ -99,14 +93,14 @@ abstract class BaseAdminController extends AbstractController
                 /** @var $attachment FormInterface */
                 $options = [
                     'secure_attachment' => $attachment['secureFile']->getData(),
-                    'download_url' => $attachment['downloadURL']->getData()
+                    'download_url' => $attachment['downloadURL']->getData(),
                 ];
                 try {
                     $this->attachmentSubmitHandler->handleFormSubmit($attachment->getData(), $attachment['file']->getData(), $options);
                 } catch (AttachmentDownloadException $ex) {
                     $this->addFlash(
                         'error',
-                        $this->translator->trans('attachment.download_failed') . ' ' . $ex->getMessage()
+                        $this->translator->trans('attachment.download_failed').' '.$ex->getMessage()
                     );
                 }
             }
@@ -118,14 +112,14 @@ abstract class BaseAdminController extends AbstractController
             //Rebuild form, so it is based on the updated data. Important for the parent field!
             //We can not use dynamic form events here, because the parent entity list is build from database!
             $form = $this->createForm($this->form_class, $entity, ['attachment_class' => $this->attachment_class]);
-        } elseif ($form->isSubmitted() && ! $form->isValid()) {
+        } elseif ($form->isSubmitted() && !$form->isValid()) {
             $this->addFlash('error', $this->translator->trans('entity.edit_flash.invalid'));
         }
 
         return $this->render($this->twig_template, [
             'entity' => $entity,
             'form' => $form->createView(),
-            'attachment_helper' => $this->attachmentHelper
+            'attachment_helper' => $this->attachmentHelper,
         ]);
     }
 
@@ -155,14 +149,14 @@ abstract class BaseAdminController extends AbstractController
                 /** @var $attachment FormInterface */
                 $options = [
                     'secure_attachment' => $attachment['secureFile']->getData(),
-                    'download_url' => $attachment['downloadURL']->getData()
+                    'download_url' => $attachment['downloadURL']->getData(),
                 ];
                 try {
                     $this->attachmentSubmitHandler->handleFormSubmit($attachment->getData(), $attachment['file']->getData(), $options);
                 } catch (AttachmentDownloadException $ex) {
                     $this->addFlash(
                         'error',
-                        $this->translator->trans('attachment.download_failed') . ' ' . $ex->getMessage()
+                        $this->translator->trans('attachment.download_failed').' '.$ex->getMessage()
                     );
                 }
             }
@@ -171,10 +165,10 @@ abstract class BaseAdminController extends AbstractController
             $em->flush();
             $this->addFlash('success', $this->translator->trans('entity.created_flash'));
 
-            return $this->redirectToRoute($this->route_base . '_edit', ['id' => $new_entity->getID()]);
+            return $this->redirectToRoute($this->route_base.'_edit', ['id' => $new_entity->getID()]);
         }
 
-        if ($form->isSubmitted() && ! $form->isValid()) {
+        if ($form->isSubmitted() && !$form->isValid()) {
             $this->addFlash('error', $this->translator->trans('entity.created_flash.invalid'));
         }
 
@@ -187,14 +181,14 @@ abstract class BaseAdminController extends AbstractController
             $file = $import_form['file']->getData();
             $data = $import_form->getData();
 
-            $options = array('parent' => $data['parent'], 'preserve_children' => $data['preserve_children'],
-                'format' => $data['format'], 'csv_separator' => $data['csv_separator']);
+            $options = ['parent' => $data['parent'], 'preserve_children' => $data['preserve_children'],
+                'format' => $data['format'], 'csv_separator' => $data['csv_separator'], ];
 
             $errors = $importer->fileToDBEntities($file, $this->entity_class, $options);
 
             foreach ($errors as $name => $error) {
-                /** @var $error ConstraintViolationList */
-                $this->addFlash('error', $name . ':' . $error);
+                /* @var $error ConstraintViolationList */
+                $this->addFlash('error', $name.':'.$error);
             }
         }
 
@@ -212,8 +206,8 @@ abstract class BaseAdminController extends AbstractController
 
             //Show errors to user:
             foreach ($errors as $name => $error) {
-                /** @var $error ConstraintViolationList */
-                $this->addFlash('error', $name . ':' . $error);
+                /* @var $error ConstraintViolationList */
+                $this->addFlash('error', $name.':'.$error);
             }
         }
 
@@ -222,7 +216,7 @@ abstract class BaseAdminController extends AbstractController
             'form' => $form->createView(),
             'import_form' => $import_form->createView(),
             'mass_creation_form' => $mass_creation_form->createView(),
-            'attachment_helper' => $this->attachmentHelper
+            'attachment_helper' => $this->attachmentHelper,
         ]);
     }
 
@@ -259,7 +253,7 @@ abstract class BaseAdminController extends AbstractController
             $this->addFlash('error', 'csfr_invalid');
         }
 
-        return $this->redirectToRoute($this->route_base .  '_new');
+        return $this->redirectToRoute($this->route_base.'_new');
     }
 
     protected function _exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -270,7 +264,7 @@ abstract class BaseAdminController extends AbstractController
 
         $entities = $em->getRepository($this->entity_class)->findAll();
 
-        return $exporter->exportEntityFromRequest($entities,$request);
+        return $exporter->exportEntityFromRequest($entities, $request);
     }
 
     protected function _exportEntity(NamedDBElement $entity, EntityExporter $exporter, Request $request)
@@ -279,4 +273,4 @@ abstract class BaseAdminController extends AbstractController
 
         return $exporter->exportEntityFromRequest($entity, $request);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/CategoryController.php b/src/Controller/AdminPages/CategoryController.php
index e135874b..cb7a0a34 100644
--- a/src/Controller/AdminPages/CategoryController.php
+++ b/src/Controller/AdminPages/CategoryController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\CategoryAttachment;
 use App\Entity\Parts\Category;
 use App\Form\AdminPages\CategoryAdminForm;
@@ -36,11 +34,9 @@ use Symfony\Component\Routing\Annotation\Route;
 
 /**
  * @Route("/category")
- * @package App\Controller
  */
 class CategoryController extends BaseAdminController
 {
-
     protected $entity_class = Category::class;
     protected $twig_template = 'AdminPages/CategoryAdmin.html.twig';
     protected $form_class = CategoryAdminForm::class;
@@ -49,9 +45,7 @@ class CategoryController extends BaseAdminController
 
     /**
      * @Route("/{id}", name="category_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param Category $entity
-     * @param StructuralElementRecursionHelper $recursionHelper
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, Category $entity, StructuralElementRecursionHelper $recursionHelper)
@@ -62,9 +56,7 @@ class CategoryController extends BaseAdminController
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="category_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
-     * @param Category $entity
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function edit(Category $entity, Request $request, EntityManagerInterface $em)
@@ -76,9 +68,6 @@ class CategoryController extends BaseAdminController
      * @Route("/new", name="category_new")
      * @Route("/")
      *
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param EntityImporter $importer
      * @return Response
      */
     public function new(Request $request, EntityManagerInterface $em, EntityImporter $importer)
@@ -88,9 +77,7 @@ class CategoryController extends BaseAdminController
 
     /**
      * @Route("/export", name="category_export_all")
-     * @param EntityManagerInterface $em
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -100,14 +87,11 @@ class CategoryController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="category_export")
-     * @param Category $entity
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportEntity(Category $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/CurrencyController.php b/src/Controller/AdminPages/CurrencyController.php
index bbfb65aa..73ad0a59 100644
--- a/src/Controller/AdminPages/CurrencyController.php
+++ b/src/Controller/AdminPages/CurrencyController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\CurrencyAttachment;
 use App\Entity\PriceInformations\Currency;
 use App\Form\AdminPages\CurrencyAdminForm;
@@ -38,7 +36,6 @@ use Symfony\Component\Routing\Annotation\Route;
  * @Route("/currency")
  *
  * Class CurrencyController
- * @package App\Controller\AdminPages
  */
 class CurrencyController extends BaseAdminController
 {
@@ -50,9 +47,7 @@ class CurrencyController extends BaseAdminController
 
     /**
      * @Route("/{id}", name="currency_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param Currency $entity
-     * @param StructuralElementRecursionHelper $recursionHelper
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, Currency $entity, StructuralElementRecursionHelper $recursionHelper)
@@ -63,9 +58,7 @@ class CurrencyController extends BaseAdminController
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="currency_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
-     * @param Currency $entity
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function edit(Currency $entity, Request $request, EntityManagerInterface $em)
@@ -77,9 +70,6 @@ class CurrencyController extends BaseAdminController
      * @Route("/new", name="currency_new")
      * @Route("/")
      *
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param EntityImporter $importer
      * @return Response
      */
     public function new(Request $request, EntityManagerInterface $em, EntityImporter $importer)
@@ -89,9 +79,7 @@ class CurrencyController extends BaseAdminController
 
     /**
      * @Route("/export", name="currency_export_all")
-     * @param EntityManagerInterface $em
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -101,13 +89,11 @@ class CurrencyController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="currency_export")
-     * @param Currency $entity
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportEntity(Currency $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/DeviceController.php b/src/Controller/AdminPages/DeviceController.php
index ac33bc0a..85a7223b 100644
--- a/src/Controller/AdminPages/DeviceController.php
+++ b/src/Controller/AdminPages/DeviceController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\DeviceAttachment;
 use App\Entity\Devices\Device;
 use App\Form\AdminPages\BaseEntityAdminForm;
@@ -36,11 +34,9 @@ use Symfony\Component\Routing\Annotation\Route;
 
 /**
  * @Route("/device")
- * @package App\Controller
  */
 class DeviceController extends BaseAdminController
 {
-
     protected $entity_class = Device::class;
     protected $twig_template = 'AdminPages/DeviceAdmin.html.twig';
     protected $form_class = BaseEntityAdminForm::class;
@@ -49,9 +45,7 @@ class DeviceController extends BaseAdminController
 
     /**
      * @Route("/{id}", name="device_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param Device $entity
-     * @param StructuralElementRecursionHelper $recursionHelper
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, Device $entity, StructuralElementRecursionHelper $recursionHelper)
@@ -62,9 +56,7 @@ class DeviceController extends BaseAdminController
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="device_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
-     * @param Device $entity
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function edit(Device $entity, Request $request, EntityManagerInterface $em)
@@ -76,9 +68,6 @@ class DeviceController extends BaseAdminController
      * @Route("/new", name="device_new")
      * @Route("/")
      *
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param EntityImporter $importer
      * @return Response
      */
     public function new(Request $request, EntityManagerInterface $em, EntityImporter $importer)
@@ -88,9 +77,7 @@ class DeviceController extends BaseAdminController
 
     /**
      * @Route("/export", name="device_export_all")
-     * @param EntityManagerInterface $em
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -100,14 +87,11 @@ class DeviceController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="device_export")
-     * @param Device $entity
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportEntity(Device $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/FootprintController.php b/src/Controller/AdminPages/FootprintController.php
index 85c9f875..d7e62953 100644
--- a/src/Controller/AdminPages/FootprintController.php
+++ b/src/Controller/AdminPages/FootprintController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,17 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\AttachmentType;
-
 use App\Entity\Attachments\FootprintAttachment;
 use App\Entity\Parts\Footprint;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use App\Form\AdminPages\FootprintAdminForm;
 use App\Services\EntityExporter;
 use App\Services\EntityImporter;
@@ -40,11 +36,9 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @Route("/footprint")
- * @package App\Controller
  */
 class FootprintController extends BaseAdminController
 {
-
     protected $entity_class = Footprint::class;
     protected $twig_template = 'AdminPages/FootprintAdmin.html.twig';
     protected $form_class = FootprintAdminForm::class;
@@ -59,7 +53,6 @@ class FootprintController extends BaseAdminController
         return $this->_delete($request, $entity, $recursionHelper);
     }
 
-
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="footprint_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
@@ -82,9 +75,9 @@ class FootprintController extends BaseAdminController
 
     /**
      * @Route("/export", name="footprint_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -94,13 +87,11 @@ class FootprintController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="footprint_export")
-     * @param Request $request
-     * @param AttachmentType $entity
+     *
      * @return Response
      */
     public function exportEntity(AttachmentType $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/ManufacturerController.php b/src/Controller/AdminPages/ManufacturerController.php
index 84315c8d..a1bab71b 100644
--- a/src/Controller/AdminPages/ManufacturerController.php
+++ b/src/Controller/AdminPages/ManufacturerController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\ManufacturerAttachment;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Supplier;
@@ -38,11 +36,9 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @Route("/manufacturer")
- * @package App\Controller
  */
 class ManufacturerController extends BaseAdminController
 {
-
     protected $entity_class = Manufacturer::class;
     protected $twig_template = 'AdminPages/ManufacturerAdmin.html.twig';
     protected $form_class = CompanyForm::class;
@@ -77,13 +73,11 @@ class ManufacturerController extends BaseAdminController
         return $this->_new($request, $em, $importer);
     }
 
-
-
     /**
      * @Route("/export", name="manufacturer_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -93,13 +87,13 @@ class ManufacturerController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="manufacturer_export")
-     * @param Request $request
+     *
      * @param Supplier $entity
+     *
      * @return Response
      */
     public function exportEntity(Manufacturer $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/MeasurementUnitController.php b/src/Controller/AdminPages/MeasurementUnitController.php
index b1406a65..efa3bc88 100644
--- a/src/Controller/AdminPages/MeasurementUnitController.php
+++ b/src/Controller/AdminPages/MeasurementUnitController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Attachments\MeasurementUnitAttachment;
 use App\Entity\Parts\MeasurementUnit;
@@ -38,11 +36,9 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @Route("/measurement_unit")
- * @package App\Controller
  */
 class MeasurementUnitController extends BaseAdminController
 {
-
     protected $entity_class = MeasurementUnit::class;
     protected $twig_template = 'AdminPages/MeasurementUnitAdmin.html.twig';
     protected $form_class = MeasurementUnitAdminForm::class;
@@ -79,9 +75,9 @@ class MeasurementUnitController extends BaseAdminController
 
     /**
      * @Route("/export", name="measurement_unit_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -91,13 +87,11 @@ class MeasurementUnitController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="measurement_unit_export")
-     * @param Request $request
-     * @param AttachmentType $entity
+     *
      * @return Response
      */
     public function exportEntity(AttachmentType $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/StorelocationController.php b/src/Controller/AdminPages/StorelocationController.php
index 501e06d9..a46cfdd9 100644
--- a/src/Controller/AdminPages/StorelocationController.php
+++ b/src/Controller/AdminPages/StorelocationController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,13 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
 use App\Entity\Attachments\AttachmentType;
-
 use App\Entity\Parts\Storelocation;
 use App\Form\AdminPages\StorelocationAdminForm;
 use App\Services\EntityExporter;
@@ -37,11 +35,9 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @Route("/store_location")
- * @package App\Controller
  */
 class StorelocationController extends BaseAdminController
 {
-
     protected $entity_class = Storelocation::class;
     protected $twig_template = 'AdminPages/StorelocationAdmin.html.twig';
     protected $form_class = StorelocationAdminForm::class;
@@ -56,7 +52,6 @@ class StorelocationController extends BaseAdminController
         return $this->_delete($request, $entity, $recursionHelper);
     }
 
-
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="store_location_edit")
      * @Route("/{id}", requirements={"id"="\d+"})
@@ -79,9 +74,9 @@ class StorelocationController extends BaseAdminController
 
     /**
      * @Route("/export", name="store_location_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -91,13 +86,13 @@ class StorelocationController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="store_location_export")
-     * @param Request $request
+     *
      * @param AttachmentType $entity
+     *
      * @return Response
      */
     public function exportEntity(Storelocation $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AdminPages/SupplierController.php b/src/Controller/AdminPages/SupplierController.php
index 11f65b04..8e62557a 100644
--- a/src/Controller/AdminPages/SupplierController.php
+++ b/src/Controller/AdminPages/SupplierController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller\AdminPages;
 
-
 use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Parts\Supplier;
 use App\Form\AdminPages\SupplierForm;
@@ -37,11 +35,9 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * @Route("/supplier")
- * @package App\Controller
  */
 class SupplierController extends BaseAdminController
 {
-
     protected $entity_class = Supplier::class;
     protected $twig_template = 'AdminPages/SupplierAdmin.html.twig';
     protected $form_class = SupplierForm::class;
@@ -76,12 +72,11 @@ class SupplierController extends BaseAdminController
         return $this->_new($request, $em, $importer);
     }
 
-
     /**
      * @Route("/export", name="supplier_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -91,13 +86,11 @@ class SupplierController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="supplier_export")
-     * @param Request $request
-     * @param Supplier $entity
+     *
      * @return Response
      */
     public function exportEntity(Supplier $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/AttachmentFileController.php b/src/Controller/AttachmentFileController.php
index 152595bb..334cdd68 100644
--- a/src/Controller/AttachmentFileController.php
+++ b/src/Controller/AttachmentFileController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
 
-
 use App\DataTables\AttachmentDataTable;
-use App\DataTables\PartsDataTable;
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\PartAttachment;
 use App\Services\Attachments\AttachmentManager;
@@ -37,14 +34,13 @@ use Symfony\Component\Routing\Annotation\Route;
 
 class AttachmentFileController extends AbstractController
 {
-
     /**
-     * Download the selected attachment
+     * Download the selected attachment.
      *
      * @Route("/attachment/{id}/download", name="attachment_download")
-     * @param Attachment $attachment
-     * @param AttachmentManager $helper
+     *
      * @return BinaryFileResponse
+     *
      * @throws \Exception
      */
     public function download(Attachment $attachment, AttachmentManager $helper)
@@ -59,7 +55,6 @@ class AttachmentFileController extends AbstractController
             throw new \RuntimeException('The file associated with the attachment is not existing!');
         }
 
-
         $file_path = $helper->toAbsoluteFilePath($attachment);
         $response = new BinaryFileResponse($file_path);
 
@@ -70,12 +65,12 @@ class AttachmentFileController extends AbstractController
     }
 
     /**
-     * View the attachment
+     * View the attachment.
      *
      * @Route("/attachment/{id}/view", name="attachment_view")
-     * @param Attachment $attachment
-     * @param AttachmentManager $helper
+     *
      * @return BinaryFileResponse
+     *
      * @throws \Exception
      */
     public function view(Attachment $attachment, AttachmentManager $helper)
@@ -90,7 +85,6 @@ class AttachmentFileController extends AbstractController
             throw new \RuntimeException('The file associated with the attachment is not existing!');
         }
 
-
         $file_path = $helper->toAbsoluteFilePath($attachment);
         $response = new BinaryFileResponse($file_path);
 
@@ -102,8 +96,7 @@ class AttachmentFileController extends AbstractController
 
     /**
      * @Route("/attachment/list", name="attachment_list")
-     * @param DataTableFactory $dataTable
-     * @param Request $request
+     *
      * @return \Symfony\Component\HttpFoundation\JsonResponse|\Symfony\Component\HttpFoundation\Response
      */
     public function attachmentsTable(DataTableFactory $dataTable, Request $request)
@@ -118,8 +111,7 @@ class AttachmentFileController extends AbstractController
         }
 
         return $this->render('attachment_list.html.twig', [
-            'datatable' => $table
+            'datatable' => $table,
         ]);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Controller/DebugController.php b/src/Controller/DebugController.php
index c043c5ef..8b3209ec 100644
--- a/src/Controller/DebugController.php
+++ b/src/Controller/DebugController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -44,8 +43,6 @@ class DebugController extends AbstractController
 
         $this->addFlash('testkjfd', 'Blabla. This message type should be not know to template!');
 
-
-
         return $this->render('base.html.twig');
     }
 
@@ -81,6 +78,5 @@ class DebugController extends AbstractController
         $translator->trans('flash.info');
 
         $translator->trans('validator.noLockout');
-
     }
 }
diff --git a/src/Controller/GroupController.php b/src/Controller/GroupController.php
index db7f20ca..c3bbbabe 100644
--- a/src/Controller/GroupController.php
+++ b/src/Controller/GroupController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
 
-
 use App\Controller\AdminPages\BaseAdminController;
 use App\Entity\Attachments\GroupAttachment;
 use App\Entity\UserSystem\Group;
@@ -49,9 +47,7 @@ class GroupController extends BaseAdminController
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="group_edit")
      * @Route("/{id}/", requirements={"id"="\d+"})
-     * @param Group $entity
-     * @param Request $request
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function edit(Group $entity, Request $request, EntityManagerInterface $em)
@@ -62,9 +58,7 @@ class GroupController extends BaseAdminController
     /**
      * @Route("/new", name="group_new")
      * @Route("/")
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param EntityImporter $importer
+     *
      * @return Response
      */
     public function new(Request $request, EntityManagerInterface $em, EntityImporter $importer)
@@ -74,9 +68,7 @@ class GroupController extends BaseAdminController
 
     /**
      * @Route("/{id}", name="group_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param Group $entity
-     * @param StructuralElementRecursionHelper $recursionHelper
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, Group $entity, StructuralElementRecursionHelper $recursionHelper)
@@ -86,9 +78,7 @@ class GroupController extends BaseAdminController
 
     /**
      * @Route("/export", name="group_export_all")
-     * @param EntityManagerInterface $em
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -98,13 +88,11 @@ class GroupController extends BaseAdminController
 
     /**
      * @Route("/{id}/export", name="group_export")
-     * @param Group $entity
-     * @param EntityExporter $exporter
-     * @param Request $request
+     *
      * @return Response
      */
     public function exportEntity(Group $entity, EntityExporter $exporter, Request $request)
     {
         return $this->_exportEntity($entity, $exporter, $request);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Controller/HomepageController.php b/src/Controller/HomepageController.php
index 597d2c46..73426b9a 100644
--- a/src/Controller/HomepageController.php
+++ b/src/Controller/HomepageController.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -18,16 +18,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
 
 use App\Services\GitVersionInfo;
-use SebastianBergmann\CodeCoverage\Node\File;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use Symfony\Component\Cache\CacheItem;
-use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Contracts\Cache\CacheInterface;
@@ -43,12 +39,12 @@ class HomepageController extends AbstractController
         $this->kernel = $kernel;
     }
 
-    public function getBanner() : string
+    public function getBanner(): string
     {
         $banner = $this->getParameter('banner');
         if (empty($banner)) {
             $banner_path = $this->kernel->getProjectDir()
-                . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'banner.md';
+                .\DIRECTORY_SEPARATOR.'config'.\DIRECTORY_SEPARATOR.'banner.md';
 
             return file_get_contents($banner_path);
         }
@@ -64,7 +60,7 @@ class HomepageController extends AbstractController
         return $this->render('homepage.html.twig', [
             'banner' => $this->getBanner(),
             'git_branch' => $versionInfo->getGitBranchName(),
-            'git_commit' => $versionInfo->getGitCommitHash()
+            'git_commit' => $versionInfo->getGitCommitHash(),
         ]);
     }
 }
diff --git a/src/Controller/PartController.php b/src/Controller/PartController.php
index 69e01a7d..e97ea200 100644
--- a/src/Controller/PartController.php
+++ b/src/Controller/PartController.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -18,7 +18,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -40,15 +39,13 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * @Route("/part")
- * @package App\Controller
  */
 class PartController extends AbstractController
 {
     /**
      * @Route("/{id}/info", name="part_info")
      * @Route("/{id}", requirements={"id"="\d+"})
-     * @param Part $part
-     * @param AttachmentManager $attachmentHelper
+     *
      * @return \Symfony\Component\HttpFoundation\Response
      */
     public function show(Part $part, AttachmentManager $attachmentHelper, PricedetailHelper $pricedetailHelper, PartPreviewGenerator $previewGenerator)
@@ -61,7 +58,7 @@ class PartController extends AbstractController
                 'part' => $part,
                 'attachment_helper' => $attachmentHelper,
                 'pricedetail_helper' => $pricedetailHelper,
-                'pictures' => $previewGenerator->getPreviewAttachments($part)
+                'pictures' => $previewGenerator->getPreviewAttachments($part),
             ]
         );
     }
@@ -69,10 +66,6 @@ class PartController extends AbstractController
     /**
      * @Route("/{id}/edit", name="part_edit")
      *
-     * @param Part $part
-     *
-     * @param Request $request
-     * @param EntityManagerInterface $em
      * @return \Symfony\Component\HttpFoundation\Response
      */
     public function edit(Part $part, Request $request, EntityManagerInterface $em, TranslatorInterface $translator,
@@ -90,25 +83,24 @@ class PartController extends AbstractController
                 /** @var $attachment FormInterface */
                 $options = [
                     'secure_attachment' => $attachment['secureFile']->getData(),
-                    'download_url' => $attachment['downloadURL']->getData()
+                    'download_url' => $attachment['downloadURL']->getData(),
                 ];
                 try {
                     $attachmentSubmitHandler->handleFormSubmit($attachment->getData(), $attachment['file']->getData(), $options);
                 } catch (AttachmentDownloadException $ex) {
                     $this->addFlash(
                         'error',
-                        $translator->trans('attachment.download_failed') . ' ' . $ex->getMessage()
+                        $translator->trans('attachment.download_failed').' '.$ex->getMessage()
                     );
                 }
             }
 
-
             $em->persist($part);
             $em->flush();
             $this->addFlash('info', $translator->trans('part.edited_flash'));
             //Reload form, so the SIUnitType entries use the new part unit
             $form = $this->createForm(PartBaseType::class, $part);
-        } elseif ($form->isSubmitted() && ! $form->isValid()) {
+        } elseif ($form->isSubmitted() && !$form->isValid()) {
             $this->addFlash('error', $translator->trans('part.edited_flash.invalid'));
         }
 
@@ -122,15 +114,14 @@ class PartController extends AbstractController
 
     /**
      * @Route("/{id}/delete", name="part_delete", methods={"DELETE"})
-     * @param Request $request
-     * @param Part $part
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function delete(Request $request, Part $part)
     {
         $this->denyAccessUnlessGranted('delete', $part);
 
-        if ($this->isCsrfTokenValid('delete' . $part->getId(), $request->request->get('_token'))) {
+        if ($this->isCsrfTokenValid('delete'.$part->getId(), $request->request->get('_token'))) {
             $entityManager = $this->getDoctrine()->getManager();
 
             //Remove part
@@ -148,9 +139,6 @@ class PartController extends AbstractController
     /**
      * @Route("/new", name="part_new")
      *
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param TranslatorInterface $translator
      * @return \Symfony\Component\HttpFoundation\Response
      */
     public function new(Request $request, EntityManagerInterface $em, TranslatorInterface $translator,
@@ -176,14 +164,14 @@ class PartController extends AbstractController
                 /** @var $attachment FormInterface */
                 $options = [
                     'secure_attachment' => $attachment['secureFile']->getData(),
-                    'download_url' => $attachment['downloadURL']->getData()
+                    'download_url' => $attachment['downloadURL']->getData(),
                 ];
                 try {
                     $attachmentSubmitHandler->handleFormSubmit($attachment->getData(), $attachment['file']->getData(), $options);
                 } catch (AttachmentDownloadException $ex) {
                     $this->addFlash(
                         'error',
-                        $translator->trans('attachment.download_failed') . ' ' . $ex->getMessage()
+                        $translator->trans('attachment.download_failed').' '.$ex->getMessage()
                     );
                 }
             }
@@ -195,7 +183,7 @@ class PartController extends AbstractController
             return $this->redirectToRoute('part_edit', ['id' => $new_part->getID()]);
         }
 
-        if ($form->isSubmitted() && ! $form->isValid()) {
+        if ($form->isSubmitted() && !$form->isValid()) {
             $this->addFlash('error', $translator->trans('part.created_flash.invalid'));
         }
 
@@ -203,16 +191,13 @@ class PartController extends AbstractController
             [
                 'part' => $new_part,
                 'form' => $form->createView(),
-                'attachment_helper' => $attachmentHelper
+                'attachment_helper' => $attachmentHelper,
             ]);
     }
 
     /**
      * @Route("/{id}/clone", name="part_clone")
-     * @param Part $part
-     * @param Request $request
-     * @param EntityManagerInterface $em
-     * @param TranslatorInterface $translator
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse|\Symfony\Component\HttpFoundation\Response
      */
     public function clone(Part $part, Request $request, EntityManagerInterface $em, TranslatorInterface $translator)
diff --git a/src/Controller/PartListsController.php b/src/Controller/PartListsController.php
index 81273428..4c364ca4 100644
--- a/src/Controller/PartListsController.php
+++ b/src/Controller/PartListsController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -53,7 +52,7 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/category_list.html.twig', [
             'datatable' => $table,
-            'entity' => $category
+            'entity' => $category,
         ]);
     }
 
@@ -75,7 +74,7 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/footprint_list.html.twig', [
             'datatable' => $table,
-            'entity' => $footprint
+            'entity' => $footprint,
         ]);
     }
 
@@ -97,7 +96,7 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/manufacturer_list.html.twig', [
             'datatable' => $table,
-            'entity' => $manufacturer
+            'entity' => $manufacturer,
         ]);
     }
 
@@ -119,7 +118,7 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/store_location_list.html.twig', [
             'datatable' => $table,
-            'entity' => $storelocation
+            'entity' => $storelocation,
         ]);
     }
 
@@ -141,16 +140,13 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/supplier_list.html.twig', [
             'datatable' => $table,
-            'entity' => $supplier
+            'entity' => $supplier,
         ]);
     }
 
-
     /**
      * @Route("/parts/by_tag/{tag}", name="part_list_tags")
-     * @param string $tag
-     * @param Request $request
-     * @param DataTableFactory $dataTable
+     *
      * @return \Symfony\Component\HttpFoundation\JsonResponse|\Symfony\Component\HttpFoundation\Response
      */
     public function showTag(string $tag, Request $request, DataTableFactory $dataTable)
@@ -164,7 +160,7 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/tags_list.html.twig', [
             'tag' => $tag,
-            'datatable' => $table
+            'datatable' => $table,
         ]);
     }
 
@@ -184,16 +180,13 @@ class PartListsController extends AbstractController
 
         return $this->render('Parts/lists/search_list.html.twig', [
                 'datatable' => $table,
-                'keyword' => $keyword
+                'keyword' => $keyword,
             ]);
     }
 
     /**
      * @Route("/parts", name="parts_show_all")
      *
-     * @param Request          $request
-     * @param DataTableFactory $dataTable
-     *
      * @return \Symfony\Component\HttpFoundation\JsonResponse|\Symfony\Component\HttpFoundation\Response
      */
     public function showAll(Request $request, DataTableFactory $dataTable)
diff --git a/src/Controller/RedirectController.php b/src/Controller/RedirectController.php
index 21e87eb0..f5ac3abe 100644
--- a/src/Controller/RedirectController.php
+++ b/src/Controller/RedirectController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -46,7 +45,7 @@ class RedirectController extends AbstractController
     /**
      * This function is called whenever a route was not matching the localized routes.
      * The purpose is to redirect the user to the localized version of the page.
-     * @param Request $request
+     *
      * @return \Symfony\Component\HttpFoundation\RedirectResponse
      */
     public function addLocalePart(Request $request)
@@ -63,36 +62,39 @@ class RedirectController extends AbstractController
         //Check if the user needs to change the password. In that case redirect him to settings_page
         if ($user instanceof User && $user->isNeedPwChange()) {
             $this->session->getFlashBag()->add('warning', $this->translator->trans('flash.password_change_needed'));
+
             return $this->redirectToRoute('user_settings', ['_locale' => $locale]);
         }
 
         //$new_url = str_replace($request->getPathInfo(), '/' . $locale . $request->getPathInfo(), $request->getUri());
-        $new_url = $request->getUriForPath('/' . $locale . $request->getPathInfo());
+        $new_url = $request->getUriForPath('/'.$locale.$request->getPathInfo());
 
         //If either mod_rewrite is not enabled or the index.php version is enforced, add index.php to the string
         if (($this->enforce_index_php || !$this->checkIfModRewriteAvailable())
-            && strpos($new_url, 'index.php') === false) {
+            && false === strpos($new_url, 'index.php')) {
             //Like Request::getUriForPath only with index.php
-            $new_url = $request->getSchemeAndHttpHost(). $request->getBaseUrl().'/index.php/' . $locale . $request->getPathInfo();
+            $new_url = $request->getSchemeAndHttpHost().$request->getBaseUrl().'/index.php/'.$locale.$request->getPathInfo();
         }
+
         return $this->redirect($new_url);
     }
 
     /**
      * Check if mod_rewrite is availabe (URL rewriting is possible).
      * If this is true, we can redirect to /en, otherwise we have to redirect to index.php/en.
-     * When the PHP is not used via Apache SAPI, we just assume that URL rewriting is available
+     * When the PHP is not used via Apache SAPI, we just assume that URL rewriting is available.
+     *
      * @return bool
      */
     public function checkIfModRewriteAvailable()
     {
-        if (!function_exists('apache_get_modules')) {
+        if (!\function_exists('apache_get_modules')) {
             //If we can not check for apache modules, we just hope for the best and assume url rewriting is available
             //If you want to enforce index.php versions of the url, you can override this via ENV vars.
             return true;
         }
 
         //Check if the mod_rewrite module is loaded
-        return in_array('mod_rewrite', apache_get_modules(), false);
+        return \in_array('mod_rewrite', apache_get_modules(), false);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Controller/SecurityController.php b/src/Controller/SecurityController.php
index 6d3e52f8..b0753ceb 100644
--- a/src/Controller/SecurityController.php
+++ b/src/Controller/SecurityController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
diff --git a/src/Controller/TreeController.php b/src/Controller/TreeController.php
index ffb2280c..9d5d09c0 100644
--- a/src/Controller/TreeController.php
+++ b/src/Controller/TreeController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -35,8 +34,6 @@ use Symfony\Component\Routing\Annotation\Route;
 
 /**
  * This controller has the purpose to provide the data for all treeviews.
- *
- * @package App\Controller
  */
 class TreeController extends AbstractController
 {
@@ -57,13 +54,12 @@ class TreeController extends AbstractController
      */
     public function categoryTree(TreeBuilder $builder, Category $category = null)
     {
-        if ($category !== null) {
+        if (null !== $category) {
             $tree[] = $builder->elementToTreeNode($category);
         } else {
             $tree = $builder->typeToTree(Category::class);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
 
@@ -73,13 +69,12 @@ class TreeController extends AbstractController
      */
     public function footprintTree(TreeBuilder $builder, Footprint $footprint = null)
     {
-        if ($footprint !== null) {
+        if (null !== $footprint) {
             $tree[] = $builder->elementToTreeNode($footprint);
         } else {
             $tree = $builder->typeToTree(Footprint::class);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
 
@@ -89,13 +84,12 @@ class TreeController extends AbstractController
      */
     public function locationTree(TreeBuilder $builder, Storelocation $location = null)
     {
-        if ($location !== null) {
+        if (null !== $location) {
             $tree[] = $builder->elementToTreeNode($location);
         } else {
             $tree = $builder->typeToTree(Storelocation::class);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
 
@@ -105,13 +99,12 @@ class TreeController extends AbstractController
      */
     public function manufacturerTree(TreeBuilder $builder, Manufacturer $manufacturer = null)
     {
-        if ($manufacturer !== null) {
+        if (null !== $manufacturer) {
             $tree[] = $builder->elementToTreeNode($manufacturer);
         } else {
             $tree = $builder->typeToTree(Manufacturer::class);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
 
@@ -121,13 +114,12 @@ class TreeController extends AbstractController
      */
     public function supplierTree(TreeBuilder $builder, Supplier $supplier = null)
     {
-        if ($supplier !== null) {
+        if (null !== $supplier) {
             $tree[] = $builder->elementToTreeNode($supplier);
         } else {
             $tree = $builder->typeToTree(Supplier::class);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
 
@@ -137,15 +129,12 @@ class TreeController extends AbstractController
      */
     public function deviceTree(TreeBuilder $builder, Device $device = null)
     {
-        if ($device !== null) {
+        if (null !== $device) {
             $tree[] = $builder->elementToTreeNode($device);
         } else {
             $tree = $builder->typeToTree(Device::class, null);
         }
 
-
         return $this->json($tree, 200, [], ['skip_null_values' => true]);
     }
-
-
 }
diff --git a/src/Controller/TypeaheadController.php b/src/Controller/TypeaheadController.php
index 7b1579b0..44324ecd 100644
--- a/src/Controller/TypeaheadController.php
+++ b/src/Controller/TypeaheadController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
 
-
 use App\Services\Attachments\BuiltinAttachmentsFinder;
 use App\Services\TagFinder;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -34,9 +32,9 @@ use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
 use Symfony\Component\Serializer\Serializer;
 
 /**
- * In this controller the endpoints for the typeaheads are collected
+ * In this controller the endpoints for the typeaheads are collected.
+ *
  * @Route("/typeahead")
- * @package App\Controller
  */
 class TypeaheadController extends AbstractController
 {
@@ -47,15 +45,15 @@ class TypeaheadController extends AbstractController
     {
         $array = $finder->find($query);
 
-
         $normalizers = [
-            new ObjectNormalizer()
+            new ObjectNormalizer(),
         ];
-        $encoders =  [
-            new JsonEncoder()
+        $encoders = [
+            new JsonEncoder(),
         ];
         $serializer = new Serializer($normalizers, $encoders);
         $data = $serializer->serialize($array, 'json');
+
         return new JsonResponse($data, 200, [], true);
     }
 
@@ -67,13 +65,14 @@ class TypeaheadController extends AbstractController
         $array = $finder->searchTags($query);
 
         $normalizers = [
-            new ObjectNormalizer()
+            new ObjectNormalizer(),
         ];
-        $encoders =  [
-            new JsonEncoder()
+        $encoders = [
+            new JsonEncoder(),
         ];
         $serializer = new Serializer($normalizers, $encoders);
         $data = $serializer->serialize($array, 'json');
+
         return new JsonResponse($data, 200, [], true);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Controller/UserController.php b/src/Controller/UserController.php
index 689d95a7..957a217d 100644
--- a/src/Controller/UserController.php
+++ b/src/Controller/UserController.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Controller;
@@ -47,18 +46,15 @@ use Symfony\Component\Validator\Constraints\Length;
 /**
  * @Route("/user")
  * Class UserController
- * @package App\Controller
  */
 class UserController extends AdminPages\BaseAdminController
 {
-
     protected $entity_class = User::class;
     protected $twig_template = 'AdminPages/UserAdmin.html.twig';
     protected $form_class = UserAdminForm::class;
     protected $route_base = 'user';
     protected $attachment_class = UserAttachment::class;
 
-
     /**
      * @Route("/{id}/edit", requirements={"id"="\d+"}, name="user_edit")
      * @Route("/{id}/", requirements={"id"="\d+"})
@@ -84,17 +80,18 @@ class UserController extends AdminPages\BaseAdminController
      */
     public function delete(Request $request, User $entity, StructuralElementRecursionHelper $recursionHelper)
     {
-        if ($entity->getID() == User::ID_ANONYMOUS) {
+        if (User::ID_ANONYMOUS == $entity->getID()) {
             throw new \InvalidArgumentException('You can not delete the anonymous user! It is needed for permission checking without a logged in user');
         }
+
         return $this->_delete($request, $entity, $recursionHelper);
     }
 
     /**
      * @Route("/export", name="user_export_all")
-     * @param Request $request
+     *
      * @param SerializerInterface $serializer
-     * @param EntityManagerInterface $em
+     *
      * @return Response
      */
     public function exportAll(EntityManagerInterface $em, EntityExporter $exporter, Request $request)
@@ -104,8 +101,9 @@ class UserController extends AdminPages\BaseAdminController
 
     /**
      * @Route("/{id}/export", name="user_export")
-     * @param Request $request
+     *
      * @param AttachmentType $entity
+     *
      * @return Response
      */
     public function exportEntity(User $entity, EntityExporter $exporter, Request $request)
@@ -113,7 +111,6 @@ class UserController extends AdminPages\BaseAdminController
         return $this->_exportEntity($entity, $exporter, $request);
     }
 
-
     /**
      * @Route("/info", name="user_info_self")
      * @Route("/{id}/info")
@@ -135,17 +132,17 @@ class UserController extends AdminPages\BaseAdminController
         }
 
         //Show permissions to user
-        $builder = $this->createFormBuilder()->add('permissions',PermissionsType::class, [
+        $builder = $this->createFormBuilder()->add('permissions', PermissionsType::class, [
             'mapped' => false,
             'disabled' => true,
             'inherit' => true,
-            'data' => $user
+            'data' => $user,
         ]);
 
         return $this->render('Users/user_info.html.twig', [
             'user' => $user,
             'avatar' => $avatar,
-            'form' => $builder->getForm()->createView()
+            'form' => $builder->getForm()->createView(),
         ]);
     }
 
@@ -161,8 +158,8 @@ class UserController extends AdminPages\BaseAdminController
 
         $page_need_reload = false;
 
-        if(!$user instanceof User) {
-            return new \RuntimeException("This controller only works only for Part-DB User objects!");
+        if (!$user instanceof User) {
+            return new \RuntimeException('This controller only works only for Part-DB User objects!');
         }
 
         //When user change its settings, he should be logged  in fully.
@@ -233,7 +230,7 @@ class UserController extends AdminPages\BaseAdminController
         return $this->render('Users/user_settings.html.twig', [
             'settings_form' => $form->createView(),
             'pw_form' => $pw_form->createView(),
-            'page_need_reload' => $page_need_reload
+            'page_need_reload' => $page_need_reload,
         ]);
     }
 
@@ -250,10 +247,10 @@ class UserController extends AdminPages\BaseAdminController
      * @return string containing either just a URL or a complete image tag
      * @source https://gravatar.com/site/implement/images/php/
      */
-    public function getGravatar(?string $email, int $s = 80, string $d = 'mm', string $r = 'g', bool $img = false, array $atts = array())
+    public function getGravatar(?string $email, int $s = 80, string $d = 'mm', string $r = 'g', bool $img = false, array $atts = [])
     {
-        if ($email === null) {
-            return "";
+        if (null === $email) {
+            return '';
         }
 
         $url = 'https://www.gravatar.com/avatar/';
diff --git a/src/DataFixtures/AppFixtures.php b/src/DataFixtures/AppFixtures.php
index 2e33b55d..5a92bd37 100644
--- a/src/DataFixtures/AppFixtures.php
+++ b/src/DataFixtures/AppFixtures.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataFixtures;
 
-use App\Entity\Parts\Part;
 use Doctrine\Bundle\FixturesBundle\Fixture;
 use Doctrine\Common\Persistence\ObjectManager;
 
diff --git a/src/DataFixtures/DataStructureFixtures.php b/src/DataFixtures/DataStructureFixtures.php
index 188947fd..67ef9215 100644
--- a/src/DataFixtures/DataStructureFixtures.php
+++ b/src/DataFixtures/DataStructureFixtures.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataFixtures;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\StructuralDBElement;
 use App\Entity\Devices\Device;
@@ -32,15 +30,12 @@ use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Storelocation;
 use App\Entity\Parts\Supplier;
-use App\Entity\PriceInformations\Currency;
 use Doctrine\Bundle\FixturesBundle\Fixture;
 use Doctrine\Common\Persistence\ObjectManager;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
 
 class DataStructureFixtures extends Fixture
 {
-
     protected $em;
 
     public function __construct(EntityManagerInterface $entityManager)
@@ -49,15 +44,13 @@ class DataStructureFixtures extends Fixture
     }
 
     /**
-     * Load data fixtures with the passed EntityManager
-     *
-     * @param ObjectManager $manager
+     * Load data fixtures with the passed EntityManager.
      */
     public function load(ObjectManager $manager)
     {
         //Reset autoincrement
         $types = [AttachmentType::class, Device::class, Category::class, Footprint::class, Manufacturer::class,
-            MeasurementUnit::class, Storelocation::class, Supplier::class];
+            MeasurementUnit::class, Storelocation::class, Supplier::class, ];
 
         foreach ($types as $type) {
             $this->createNodesForClass($type, $manager);
@@ -68,7 +61,8 @@ class DataStructureFixtures extends Fixture
 
     /**
      * Creates a datafixture with serveral nodes for the given class.
-     * @param string $class The class for which the nodes should be generated (must be a StructuralDBElement child)
+     *
+     * @param string        $class   The class for which the nodes should be generated (must be a StructuralDBElement child)
      * @param ObjectManager $manager The ObjectManager that should be used to persist the nodes
      */
     public function createNodesForClass(string $class, ObjectManager $manager)
@@ -116,4 +110,4 @@ class DataStructureFixtures extends Fixture
         $manager->persist($node2_1);
         $manager->persist($node1_1_1);
     }
-}
\ No newline at end of file
+}
diff --git a/src/DataFixtures/GroupFixtures.php b/src/DataFixtures/GroupFixtures.php
index 7cd274f6..5f7125cd 100644
--- a/src/DataFixtures/GroupFixtures.php
+++ b/src/DataFixtures/GroupFixtures.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataFixtures;
@@ -38,15 +37,15 @@ class GroupFixtures extends Fixture
         $admins->setName('admins');
         //Perm values taken from Version 1
         $admins->getPermissions()->setRawPermissionValues([
-            'system' => '21','groups' => '1365','users' => '87381','self' => '85','config' => '85',
-            'database' => '21','parts' => '1431655765','parts_name' => '5','parts_description' => '5',
-            'parts_footprint' => '5','parts_manufacturer' => '5','parts_comment' => '5','parts_order' => '5',
-            'parts_orderdetails' => '341','parts_prices' => '341','parts_attachments' => '341','devices' => '5461',
-            'devices_parts' => '325','storelocations' => '5461','footprints' => '5461','categories' => '5461',
-            'suppliers' => '5461','manufacturers' => '5461','attachment_types' => '1365','tools' => '1365',
-            'labels' => '21','parts_category' => '5','parts_minamount' => '5','parts_lots' => '85','parts_tags' => '5',
-            'parts_unit' => '5','parts_mass' => '5','parts_status' => '5','parts_mpn' => '5','currencies' => '5461',
-            'measurement_units' => '5461'
+            'system' => '21', 'groups' => '1365', 'users' => '87381', 'self' => '85', 'config' => '85',
+            'database' => '21', 'parts' => '1431655765', 'parts_name' => '5', 'parts_description' => '5',
+            'parts_footprint' => '5', 'parts_manufacturer' => '5', 'parts_comment' => '5', 'parts_order' => '5',
+            'parts_orderdetails' => '341', 'parts_prices' => '341', 'parts_attachments' => '341', 'devices' => '5461',
+            'devices_parts' => '325', 'storelocations' => '5461', 'footprints' => '5461', 'categories' => '5461',
+            'suppliers' => '5461', 'manufacturers' => '5461', 'attachment_types' => '1365', 'tools' => '1365',
+            'labels' => '21', 'parts_category' => '5', 'parts_minamount' => '5', 'parts_lots' => '85', 'parts_tags' => '5',
+            'parts_unit' => '5', 'parts_mass' => '5', 'parts_status' => '5', 'parts_mpn' => '5', 'currencies' => '5461',
+            'measurement_units' => '5461',
         ]);
         $this->setReference(self::ADMINS, $admins);
         $manager->persist($admins);
@@ -54,15 +53,15 @@ class GroupFixtures extends Fixture
         $readonly = new Group();
         $readonly->setName('readonly');
         $readonly->getPermissions()->setRawPermissionValues([
-            'system' => '2','groups' => '2730','users' => '43690','self' => '25','config' => '170',
-            'database' => '42','parts' => '2778027689','parts_name' => '9','parts_description' => '9',
-            'parts_footprint' => '9','parts_manufacturer' => '9','parts_comment' => '9','parts_order' => '9',
-            'parts_orderdetails' => '681','parts_prices' => '681','parts_attachments' => '681','devices' => '1705',
-            'devices_parts' => '649','storelocations' => '1705','footprints' => '1705','categories' => '1705',
-            'suppliers' => '1705','manufacturers' => '1705','attachment_types' => '681','tools' => '1366',
-            'labels' => '165','parts_category' => '9','parts_minamount' => '9','parts_lots' => '169','parts_tags' => '9',
-            'parts_unit' => '9','parts_mass' => '9','parts_status' => '9','parts_mpn' => '9','currencies' => '9897',
-            'measurement_units' => '9897'
+            'system' => '2', 'groups' => '2730', 'users' => '43690', 'self' => '25', 'config' => '170',
+            'database' => '42', 'parts' => '2778027689', 'parts_name' => '9', 'parts_description' => '9',
+            'parts_footprint' => '9', 'parts_manufacturer' => '9', 'parts_comment' => '9', 'parts_order' => '9',
+            'parts_orderdetails' => '681', 'parts_prices' => '681', 'parts_attachments' => '681', 'devices' => '1705',
+            'devices_parts' => '649', 'storelocations' => '1705', 'footprints' => '1705', 'categories' => '1705',
+            'suppliers' => '1705', 'manufacturers' => '1705', 'attachment_types' => '681', 'tools' => '1366',
+            'labels' => '165', 'parts_category' => '9', 'parts_minamount' => '9', 'parts_lots' => '169', 'parts_tags' => '9',
+            'parts_unit' => '9', 'parts_mass' => '9', 'parts_status' => '9', 'parts_mpn' => '9', 'currencies' => '9897',
+            'measurement_units' => '9897',
         ]);
         $this->setReference(self::READONLY, $readonly);
         $manager->persist($readonly);
@@ -70,15 +69,15 @@ class GroupFixtures extends Fixture
         $users = new Group();
         $users->setName('users');
         $users->getPermissions()->setRawPermissionValues([
-            'system' => '42','groups' => '2730','users' => '43690','self' => '89','config' => '105',
-            'database' => '41','parts' => '1431655765','parts_name' => '5','parts_description' => '5',
-            'parts_footprint' => '5','parts_manufacturer' => '5','parts_comment' => '5','parts_order' => '5',
-            'parts_orderdetails' => '341','parts_prices' => '341','parts_attachments' => '341','devices' => '5461',
-            'devices_parts' => '325','storelocations' => '5461','footprints' => '5461','categories' => '5461',
-            'suppliers' => '5461','manufacturers' => '5461','attachment_types' => '1365','tools' => '1365',
-            'labels' => '85','parts_category' => '5','parts_minamount' => '5','parts_lots' => '85','parts_tags' => '5',
-            'parts_unit' => '5','parts_mass' => '5','parts_status' => '5','parts_mpn' => '5','currencies' => '5461',
-            'measurement_units' => '5461'
+            'system' => '42', 'groups' => '2730', 'users' => '43690', 'self' => '89', 'config' => '105',
+            'database' => '41', 'parts' => '1431655765', 'parts_name' => '5', 'parts_description' => '5',
+            'parts_footprint' => '5', 'parts_manufacturer' => '5', 'parts_comment' => '5', 'parts_order' => '5',
+            'parts_orderdetails' => '341', 'parts_prices' => '341', 'parts_attachments' => '341', 'devices' => '5461',
+            'devices_parts' => '325', 'storelocations' => '5461', 'footprints' => '5461', 'categories' => '5461',
+            'suppliers' => '5461', 'manufacturers' => '5461', 'attachment_types' => '1365', 'tools' => '1365',
+            'labels' => '85', 'parts_category' => '5', 'parts_minamount' => '5', 'parts_lots' => '85', 'parts_tags' => '5',
+            'parts_unit' => '5', 'parts_mass' => '5', 'parts_status' => '5', 'parts_mpn' => '5', 'currencies' => '5461',
+            'measurement_units' => '5461',
         ]);
         $this->setReference(self::USERS, $users);
         $manager->persist($users);
diff --git a/src/DataFixtures/UserFixtures.php b/src/DataFixtures/UserFixtures.php
index 39e2d4d7..d917e976 100644
--- a/src/DataFixtures/UserFixtures.php
+++ b/src/DataFixtures/UserFixtures.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataFixtures;
@@ -26,7 +25,6 @@ use App\Entity\UserSystem\User;
 use Doctrine\Bundle\FixturesBundle\Fixture;
 use Doctrine\Common\Persistence\ObjectManager;
 use Doctrine\ORM\EntityManagerInterface;
-use ReflectionClass;
 use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
 
 class UserFixtures extends Fixture
diff --git a/src/DataTables/AttachmentDataTable.php b/src/DataTables/AttachmentDataTable.php
index 89c0d59f..b5b62085 100644
--- a/src/DataTables/AttachmentDataTable.php
+++ b/src/DataTables/AttachmentDataTable.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataTables;
 
-
 use App\DataTables\Column\LocaleDateTimeColumn;
 use App\Entity\Attachments\Attachment;
-use App\Entity\Attachments\FootprintAttachment;
-use App\Entity\Parts\Part;
 use App\Services\Attachments\AttachmentManager;
 use App\Services\Attachments\AttachmentURLGenerator;
 use App\Services\ElementTypeNameGenerator;
@@ -41,7 +37,6 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 class AttachmentDataTable implements DataTableTypeInterface
 {
-
     protected $translator;
     protected $entityURLGenerator;
     protected $attachmentHelper;
@@ -69,10 +64,6 @@ class AttachmentDataTable implements DataTableTypeInterface
         //->leftJoin('attachment.element', 'element');
     }
 
-    /**
-     * @param DataTable $dataTable
-     * @param array $options
-     */
     public function configure(DataTable $dataTable, array $options)
     {
         $dataTable->add('picture', TextColumn::class, [
@@ -91,7 +82,7 @@ class AttachmentDataTable implements DataTableTypeInterface
                 }
 
                 return '';
-            }
+            },
         ]);
 
         $dataTable->add('name', TextColumn::class, [
@@ -115,7 +106,7 @@ class AttachmentDataTable implements DataTableTypeInterface
                 }
 
                 return $value;
-            }
+            },
         ]);
 
         $dataTable->add('attachment_type', TextColumn::class, [
@@ -126,7 +117,7 @@ class AttachmentDataTable implements DataTableTypeInterface
                     $this->entityURLGenerator->editURL($context->getAttachmentType()),
                     htmlspecialchars($value)
                 );
-            }
+            },
         ]);
 
         $dataTable->add('element', TextColumn::class, [
@@ -138,11 +129,11 @@ class AttachmentDataTable implements DataTableTypeInterface
                     $this->entityURLGenerator->infoURL($context->getElement()),
                     $this->elementTypeNameGenerator->getTypeNameCombination($context->getElement(), true)
                 );
-            }
+            },
         ]);
 
         $dataTable->add('filename', TextColumn::class, [
-            'propertyPath' => 'filename'
+            'propertyPath' => 'filename',
         ]);
 
         $dataTable->add('filesize', TextColumn::class, [
@@ -151,7 +142,7 @@ class AttachmentDataTable implements DataTableTypeInterface
                     return $this->attachmentHelper->getHumanFileSize($context);
                 }
                 if ($context->isExternal()) {
-                    return '<i>' . $this->translator->trans('attachment.external') . '</i>';
+                    return '<i>'.$this->translator->trans('attachment.external').'</i>';
                 }
 
                 return sprintf(
@@ -160,17 +151,17 @@ class AttachmentDataTable implements DataTableTypeInterface
                         </span>',
                     $this->translator->trans('attachment.file_not_found')
                 );
-            }
+            },
         ]);
 
         $dataTable
             ->add('addedDate', LocaleDateTimeColumn::class, [
                 'label' => $this->translator->trans('part.table.addedDate'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('lastModified', LocaleDateTimeColumn::class, [
                 'label' => $this->translator->trans('part.table.lastModified'),
-                'visible' => false
+                'visible' => false,
             ]);
 
         $dataTable->add('show_in_table', BoolColumn::class, [
@@ -178,7 +169,7 @@ class AttachmentDataTable implements DataTableTypeInterface
             'trueValue' => $this->translator->trans('true'),
             'falseValue' => $this->translator->trans('false'),
             'nullValue' => '',
-            'visible' => false
+            'visible' => false,
         ]);
 
         $dataTable->add('isPicture', BoolColumn::class, [
@@ -187,7 +178,7 @@ class AttachmentDataTable implements DataTableTypeInterface
             'falseValue' => $this->translator->trans('false'),
             'nullValue' => '',
             'visible' => false,
-            'propertyPath' => 'picture'
+            'propertyPath' => 'picture',
         ]);
 
         $dataTable->add('is3DModel', BoolColumn::class, [
@@ -196,7 +187,7 @@ class AttachmentDataTable implements DataTableTypeInterface
             'falseValue' => $this->translator->trans('false'),
             'nullValue' => '',
             'visible' => false,
-            'propertyPath' => '3dmodel'
+            'propertyPath' => '3dmodel',
         ]);
 
         $dataTable->add('isBuiltin', BoolColumn::class, [
@@ -205,7 +196,7 @@ class AttachmentDataTable implements DataTableTypeInterface
             'falseValue' => $this->translator->trans('false'),
             'nullValue' => '',
             'visible' => false,
-            'propertyPath' => 'builtin'
+            'propertyPath' => 'builtin',
         ]);
 
         $dataTable->createAdapter(ORMAdapter::class, [
@@ -215,4 +206,4 @@ class AttachmentDataTable implements DataTableTypeInterface
             },
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/DataTables/Column/EntityColumn.php b/src/DataTables/Column/EntityColumn.php
index 2f95b077..3e4aa233 100644
--- a/src/DataTables/Column/EntityColumn.php
+++ b/src/DataTables/Column/EntityColumn.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataTables\Column;
 
-
 use App\Entity\Base\DBElement;
 use App\Entity\Base\NamedDBElement;
 use App\Entity\Parts\Part;
@@ -34,7 +32,6 @@ use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
 
 class EntityColumn extends AbstractColumn
 {
-
     protected $urlGenerator;
     protected $accessor;
 
@@ -48,11 +45,12 @@ class EntityColumn extends AbstractColumn
      * The normalize function is responsible for converting parsed and processed data to a datatables-appropriate type.
      *
      * @param mixed $value The single value of the column
+     *
      * @return mixed
      */
     public function normalize($value)
     {
-        /** @var NamedDBElement $value */
+        /* @var NamedDBElement $value */
         return $value;
     }
 
@@ -63,7 +61,7 @@ class EntityColumn extends AbstractColumn
         $resolver->setRequired('property');
 
         $resolver->setDefault('field', function (Options $option) {
-            return $option['property'] . '.name';
+            return $option['property'].'.name';
         });
 
         $resolver->setDefault('render', function (Options $options) {
@@ -72,7 +70,7 @@ class EntityColumn extends AbstractColumn
                 $entity = $this->accessor->getValue($context, $options['property']);
 
                 if ($entity) {
-                    if ($entity->getID() !== null) {
+                    if (null !== $entity->getID()) {
                         return sprintf(
                             '<a href="%s">%s</a>',
                             $this->urlGenerator->listPartsURL($entity),
@@ -85,4 +83,4 @@ class EntityColumn extends AbstractColumn
             };
         });
     }
-}
\ No newline at end of file
+}
diff --git a/src/DataTables/Column/LocaleDateTimeColumn.php b/src/DataTables/Column/LocaleDateTimeColumn.php
index 3ea30780..1ef0056d 100644
--- a/src/DataTables/Column/LocaleDateTimeColumn.php
+++ b/src/DataTables/Column/LocaleDateTimeColumn.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataTables\Column;
 
-
 use IntlDateFormatter;
 use Omines\DataTablesBundle\Column\AbstractColumn;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -30,7 +28,6 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 /**
  * Similar to the built in DateTimeColumn, but the datetime is formatted using a IntlDateFormatter,
  * to get prettier locale based formatting.
- * @package App\DataTables\Column
  */
 class LocaleDateTimeColumn extends AbstractColumn
 {
@@ -45,13 +42,13 @@ class LocaleDateTimeColumn extends AbstractColumn
             $value = new \DateTime((string) $value);
         }
 
-        $formatValues = array(
+        $formatValues = [
             'none' => IntlDateFormatter::NONE,
             'short' => IntlDateFormatter::SHORT,
             'medium' => IntlDateFormatter::MEDIUM,
             'long' => IntlDateFormatter::LONG,
             'full' => IntlDateFormatter::FULL,
-        );
+        ];
 
         $formatter = IntlDateFormatter::create(
             \Locale::getDefault(),
@@ -74,11 +71,11 @@ class LocaleDateTimeColumn extends AbstractColumn
             ->setDefaults([
                 'dateFormat' => 'short',
                 'timeFormat' => 'short',
-                'nullValue' => ''
+                'nullValue' => '',
             ])
             ->setAllowedTypes('nullValue', 'string')
         ;
 
         return $this;
     }
-}
\ No newline at end of file
+}
diff --git a/src/DataTables/PartsDataTable.php b/src/DataTables/PartsDataTable.php
index e683f3dc..d9491378 100644
--- a/src/DataTables/PartsDataTable.php
+++ b/src/DataTables/PartsDataTable.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\DataTables;
@@ -28,25 +27,21 @@ use App\Entity\Parts\Category;
 use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Part;
-use App\Entity\Parts\PartLot;
 use App\Entity\Parts\Storelocation;
 use App\Entity\Parts\Supplier;
 use App\Services\AmountFormatter;
 use App\Services\Attachments\AttachmentURLGenerator;
 use App\Services\Attachments\PartPreviewGenerator;
 use App\Services\EntityURLGenerator;
-use App\Services\ToolsTreeBuilder;
 use App\Services\TreeBuilder;
 use Doctrine\ORM\QueryBuilder;
 use Omines\DataTablesBundle\Adapter\Doctrine\ORM\SearchCriteriaProvider;
 use Omines\DataTablesBundle\Adapter\Doctrine\ORMAdapter;
 use Omines\DataTablesBundle\Column\BoolColumn;
-use Omines\DataTablesBundle\Column\DateTimeColumn;
 use Omines\DataTablesBundle\Column\MapColumn;
 use Omines\DataTablesBundle\Column\TextColumn;
 use Omines\DataTablesBundle\DataTable;
 use Omines\DataTablesBundle\DataTableTypeInterface;
-use SebastianBergmann\CodeCoverage\Report\Text;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class PartsDataTable implements DataTableTypeInterface
@@ -134,19 +129,15 @@ class PartsDataTable implements DataTableTypeInterface
         }
 
         if (isset($options['tag'])) {
-            $builder->andWhere('part.tags LIKE :tag')->setParameter('tag', '%' . $options['tag'] . '%');
+            $builder->andWhere('part.tags LIKE :tag')->setParameter('tag', '%'.$options['tag'].'%');
         }
 
         if (isset($options['search'])) {
             $builder->AndWhere('part.name LIKE :search')->orWhere('part.description LIKE :search')->orWhere('part.comment LIKE :search')
-                ->setParameter('search', '%' . $options['search'] . '%');
+                ->setParameter('search', '%'.$options['search'].'%');
         }
     }
 
-    /**
-     * @param DataTable $dataTable
-     * @param array     $options
-     */
     public function configure(DataTable $dataTable, array $options)
     {
         $dataTable
@@ -154,7 +145,7 @@ class PartsDataTable implements DataTableTypeInterface
                 'label' => '',
                 'render' => function ($value, Part $context) {
                     $preview_attachment = $this->previewGenerator->getTablePreviewAttachment($context);
-                    if ($preview_attachment === null) {
+                    if (null === $preview_attachment) {
                         return '';
                     }
 
@@ -165,7 +156,7 @@ class PartsDataTable implements DataTableTypeInterface
                         $this->attachmentURLGenerator->getThumbnailURL($preview_attachment, 'thumbnail_md'),
                         'img-fluid hoverpic'
                     );
-                }
+                },
             ])
             ->add('name', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.name'),
@@ -179,7 +170,7 @@ class PartsDataTable implements DataTableTypeInterface
             ])
             ->add('id', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.id'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('description', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.description'),
@@ -190,19 +181,19 @@ class PartsDataTable implements DataTableTypeInterface
             ])
             ->add('footprint', EntityColumn::class, [
                 'property' => 'footprint',
-                'label' => $this->translator->trans('part.table.footprint')
+                'label' => $this->translator->trans('part.table.footprint'),
             ])
             ->add('manufacturer', EntityColumn::class, [
                 'property' => 'manufacturer',
-                'label' => $this->translator->trans('part.table.manufacturer')
+                'label' => $this->translator->trans('part.table.manufacturer'),
             ])
             ->add('storelocation', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.storeLocations'),
                 'render' => function ($value, Part $context) {
-                    $tmp = array();
+                    $tmp = [];
                     foreach ($context->getPartLots() as $lot) {
                         //Ignore lots without storelocation
-                        if ($lot->getStorageLocation() === null) {
+                        if (null === $lot->getStorageLocation()) {
                             continue;
                         }
                         $tmp[] = sprintf(
@@ -210,51 +201,52 @@ class PartsDataTable implements DataTableTypeInterface
                             $this->urlGenerator->listPartsURL($lot->getStorageLocation()),
                             $lot->getStorageLocation()->getName()
                         );
-
                     }
+
                     return implode('<br>', $tmp);
-                }
+                },
             ])
             ->add('amount', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.amount'),
                 'render' => function ($value, Part $context) {
                     $amount = $context->getAmountSum();
+
                     return $this->amountFormatter->format($amount, $context->getPartUnit());
-                }
+                },
             ])
             ->add('minamount', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.minamount'),
                 'visible' => false,
                 'render' => function ($value, Part $context) {
                     return $this->amountFormatter->format($value, $context->getPartUnit());
-                }
+                },
             ])
             ->add('partUnit', TextColumn::class, [
                 'field' => 'partUnit.name',
                 'label' => $this->translator->trans('part.table.partUnit'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('addedDate', LocaleDateTimeColumn::class, [
                 'label' => $this->translator->trans('part.table.addedDate'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('lastModified', LocaleDateTimeColumn::class, [
                 'label' => $this->translator->trans('part.table.lastModified'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('needs_review', BoolColumn::class, [
                 'label' => $this->translator->trans('part.table.needsReview'),
                 'trueValue' => $this->translator->trans('true'),
                 'falseValue' => $this->translator->trans('false'),
                 'nullValue' => '',
-                'visible' => false
+                'visible' => false,
             ])
             ->add('favorite', BoolColumn::class, [
                 'label' => $this->translator->trans('part.table.favorite'),
                 'trueValue' => $this->translator->trans('true'),
                 'falseValue' => $this->translator->trans('false'),
                 'nullValue' => '',
-                'visible' => false
+                'visible' => false,
             ])
             ->add('manufacturing_status', MapColumn::class, [
                 'label' => $this->translator->trans('part.table.manufacturingStatus'),
@@ -266,25 +258,25 @@ class PartsDataTable implements DataTableTypeInterface
                     'active' => $this->translator->trans('m_status.active'),
                     'nrfnd' => $this->translator->trans('m_status.nrfnd'),
                     'eol' => $this->translator->trans('m_status.eol'),
-                    'discontinued' => $this->translator->trans('m_status.discontinued')
-                ]
+                    'discontinued' => $this->translator->trans('m_status.discontinued'),
+                ],
             ])
             ->add('manufacturer_product_number', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.mpn'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('mass', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.mass'),
-                'visible' => false
+                'visible' => false,
             ])
             ->add('tags', TextColumn::class, [
                 'label' => $this->translator->trans('part.table.tags'),
-                'visible' => false
+                'visible' => false,
             ])
 
             ->addOrderBy('name')
             ->createAdapter(ORMAdapter::class, [
-                'query' => function(QueryBuilder $builder) {
+                'query' => function (QueryBuilder $builder) {
                     $this->getQuery($builder);
                 },
                 'entity' => Part::class,
@@ -292,8 +284,8 @@ class PartsDataTable implements DataTableTypeInterface
                     function (QueryBuilder $builder) use ($options) {
                         $this->buildCriteria($builder, $options);
                     },
-                    new SearchCriteriaProvider()
-                ]
+                    new SearchCriteriaProvider(),
+                ],
             ]);
     }
 }
diff --git a/src/Entity/Attachments/Attachment.php b/src/Entity/Attachments/Attachment.php
index caf9559e..4d1f7149 100644
--- a/src/Entity/Attachments/Attachment.php
+++ b/src/Entity/Attachments/Attachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -65,7 +64,6 @@ use Doctrine\ORM\Mapping as ORM;
  *     "Supplier" = "SupplierAttachment", "User" = "UserAttachment"
  * })
  * @ORM\EntityListeners({"App\EntityListeners\AttachmentDeleteListener"})
- *
  */
 abstract class Attachment extends NamedDBElement
 {
@@ -75,7 +73,7 @@ abstract class Attachment extends NamedDBElement
      * It will be used to determine if a attachment is a picture and therefore will be shown to user as preview.
      */
     public const PICTURE_EXTS = ['apng', 'bmp', 'gif', 'ico', 'cur', 'jpg', 'jpeg', 'jfif', 'pjpeg', 'pjp', 'png',
-        'svg', 'webp'];
+        'svg', 'webp', ];
 
     /**
      * A list of extensions that will be treated as a 3D Model that can be shown to user directly in Part-DB.
@@ -83,7 +81,7 @@ abstract class Attachment extends NamedDBElement
     public const MODEL_EXTS = ['x3d'];
 
     /**
-     * When the path begins with one of this placeholders
+     * When the path begins with one of this placeholders.
      */
     public const INTERNAL_PLACEHOLDER = ['%BASE%', '%MEDIA%', '%SECURE%'];
 
@@ -109,7 +107,7 @@ abstract class Attachment extends NamedDBElement
     protected $original_filename;
 
     /**
-     * ORM mapping is done in sub classes (like PartAttachment)
+     * ORM mapping is done in sub classes (like PartAttachment).
      */
     protected $element;
 
@@ -129,7 +127,7 @@ abstract class Attachment extends NamedDBElement
     public function __construct()
     {
         //parent::__construct();
-        if (static::ALLOWED_ELEMENT_CLASS === '') {
+        if ('' === static::ALLOWED_ELEMENT_CLASS) {
             throw new \LogicException('An *Attachment class must override the ALLOWED_ELEMENT_CLASS const!');
         }
     }
@@ -154,15 +152,16 @@ abstract class Attachment extends NamedDBElement
 
         $extension = pathinfo($this->getPath(), PATHINFO_EXTENSION);
 
-        return in_array(strtolower($extension), static::PICTURE_EXTS, true);
+        return \in_array(strtolower($extension), static::PICTURE_EXTS, true);
     }
 
     /**
      * Check if this attachment is a 3D model and therfore can be directly shown to user.
      * If the attachment is external, false is returned (3D Models must be internal).
+     *
      * @return bool
      */
-    public function is3DModel() : bool
+    public function is3DModel(): bool
     {
         //We just assume that 3D Models are internally saved, otherwise we get problems loading them.
         if ($this->isExternal()) {
@@ -171,14 +170,15 @@ abstract class Attachment extends NamedDBElement
 
         $extension = pathinfo($this->getPath(), PATHINFO_EXTENSION);
 
-        return in_array(strtolower($extension), static::MODEL_EXTS, true);
+        return \in_array(strtolower($extension), static::MODEL_EXTS, true);
     }
 
     /**
-     * Checks if the attachment file is externally saved (the database saves an URL)
+     * Checks if the attachment file is externally saved (the database saves an URL).
+     *
      * @return bool true, if the file is saved externally
      */
-    public function isExternal() : bool
+    public function isExternal(): bool
     {
         //When path is empty, this attachment can not be external
         if (empty($this->path)) {
@@ -186,38 +186,40 @@ abstract class Attachment extends NamedDBElement
         }
 
         //After the %PLACEHOLDER% comes a slash, so we can check if we have a placholder via explode
-        $tmp = explode("/", $this->path);
+        $tmp = explode('/', $this->path);
 
         if (empty($tmp)) {
             return true;
         }
 
-        return !in_array($tmp[0], array_merge(static::INTERNAL_PLACEHOLDER, static::BUILTIN_PLACEHOLDER), false);
+        return !\in_array($tmp[0], array_merge(static::INTERNAL_PLACEHOLDER, static::BUILTIN_PLACEHOLDER), false);
     }
 
     /**
      * Check if this attachment is saved in a secure place.
      * This means that it can not be accessed directly via a web request, but must be viewed via a controller.
+     *
      * @return bool True, if the file is secure.
      */
-    public function isSecure() : bool
+    public function isSecure(): bool
     {
         //After the %PLACEHOLDER% comes a slash, so we can check if we have a placholder via explode
-        $tmp = explode("/", $this->path);
+        $tmp = explode('/', $this->path);
 
         if (empty($tmp)) {
             return false;
         }
 
-        return $tmp[0] === '%SECURE%';
+        return '%SECURE%' === $tmp[0];
     }
 
     /**
      * Checks if the attachment file is using a builtin file. (see BUILTIN_PLACEHOLDERS const for possible placeholders)
-     * If a file is built in, the path is shown to user in url field (no sensitive infos are provided)
+     * If a file is built in, the path is shown to user in url field (no sensitive infos are provided).
+     *
      * @return bool True if the attachment is uning an builtin file.
      */
-    public function isBuiltIn() : bool
+    public function isBuiltIn(): bool
     {
         return static::checkIfBuiltin($this->path);
     }
@@ -232,9 +234,10 @@ abstract class Attachment extends NamedDBElement
      * Returns the extension of the file referenced via the attachment.
      * For a path like %BASE/path/foo.bar, bar will be returned.
      * If this attachment is external null is returned.
+     *
      * @return string|null The file extension in lower case.
      */
-    public function getExtension() : ?string
+    public function getExtension(): ?string
     {
         if ($this->isExternal()) {
             return null;
@@ -260,6 +263,7 @@ abstract class Attachment extends NamedDBElement
     /**
      * The URL to the external file, or the path to the built in file.
      * Returns null, if the file is not external (and not builtin).
+     *
      * @return string|null
      */
     public function getURL(): ?string
@@ -274,6 +278,7 @@ abstract class Attachment extends NamedDBElement
     /**
      * Returns the hostname where the external file is stored.
      * Returns null, if the file is not external.
+     *
      * @return string|null
      */
     public function getHost(): ?string
@@ -319,16 +324,19 @@ abstract class Attachment extends NamedDBElement
 
     /**
      * Sets the filename that is shown for this attachment. Useful when the internal path is some generated value.
+     *
      * @param string|null $new_filename The filename that should be shown.
-     * Set to null to generate the filename from path.
+     *                                  Set to null to generate the filename from path.
+     *
      * @return Attachment
      */
-    public function setFilename(?string $new_filename): Attachment
+    public function setFilename(?string $new_filename): self
     {
-        if ($new_filename === "") {
+        if ('' === $new_filename) {
             $new_filename = null;
         }
         $this->original_filename = $new_filename;
+
         return $this;
     }
 
@@ -347,7 +355,6 @@ abstract class Attachment extends NamedDBElement
      *  Get the type of this attachement.
      *
      * @return AttachmentType the type of this attachement
-     *
      */
     public function getAttachmentType(): ?AttachmentType
     {
@@ -370,8 +377,6 @@ abstract class Attachment extends NamedDBElement
      ****************************************************************************************************/
 
     /**
-     * @param bool $show_in_table
-     *
      * @return self
      */
     public function setShowInTable(bool $show_in_table): self
@@ -381,51 +386,48 @@ abstract class Attachment extends NamedDBElement
         return $this;
     }
 
-    public function setElement(AttachmentContainingDBElement $element) : Attachment
+    public function setElement(AttachmentContainingDBElement $element): self
     {
-        if (!is_a($element,static::ALLOWED_ELEMENT_CLASS)) {
-            throw new \InvalidArgumentException(sprintf(
-                'The element associated with a %s must be a %s!',
-                get_class($this),
-                static::ALLOWED_ELEMENT_CLASS
-            ));
+        if (!is_a($element, static::ALLOWED_ELEMENT_CLASS)) {
+            throw new \InvalidArgumentException(sprintf('The element associated with a %s must be a %s!', \get_class($this), static::ALLOWED_ELEMENT_CLASS));
         }
 
         $this->element = $element;
+
         return $this;
     }
 
     /**
-     * @param string $path
      * @return Attachment
      */
-    public function setPath(string $path): Attachment
+    public function setPath(string $path): self
     {
         $this->path = $path;
+
         return $this;
     }
 
     /**
-     * @param AttachmentType $attachement_type
      * @return Attachment
      */
-    public function setAttachmentType(AttachmentType $attachement_type): Attachment
+    public function setAttachmentType(AttachmentType $attachement_type): self
     {
         $this->attachment_type = $attachement_type;
+
         return $this;
     }
 
     /**
      * Sets the url associated with this attachment.
      * If the url is empty nothing is changed, to not override the file path.
-     * @param string|null $url
+     *
      * @return Attachment
      */
-    public function setURL(?string $url) : Attachment
+    public function setURL(?string $url): self
     {
         //Only set if the URL is not empty
         if (!empty($url)) {
-            if (strpos($url, '%BASE%') !== false || strpos($url, '%MEDIA%') !== false) {
+            if (false !== strpos($url, '%BASE%') || false !== strpos($url, '%MEDIA%')) {
                 throw new \InvalidArgumentException('You can not reference internal files via the url field! But nice try!');
             }
 
@@ -437,17 +439,18 @@ abstract class Attachment extends NamedDBElement
         return $this;
     }
 
-
     /*****************************************************************************************************
      * Static functions
      *****************************************************************************************************/
 
     /**
      * Checks if the given path is a path to a builtin ressource.
+     *
      * @param string $path The path that should be checked
+     *
      * @return bool True if the path is pointing to a builtin ressource.
      */
-    public static function checkIfBuiltin(string $path) : bool
+    public static function checkIfBuiltin(string $path): bool
     {
         //After the %PLACEHOLDER% comes a slash, so we can check if we have a placholder via explode
         $tmp = explode('/', $path);
@@ -455,22 +458,25 @@ abstract class Attachment extends NamedDBElement
         if (empty($tmp)) {
             return false;
         }
-        return in_array($tmp[0], static::BUILTIN_PLACEHOLDER, false);
+
+        return \in_array($tmp[0], static::BUILTIN_PLACEHOLDER, false);
     }
 
     /**
      * Check if a string is a URL and is valid.
+     *
      * @param $string string The string which should be checked.
      * @param bool $path_required If true, the string must contain a path to be valid. (e.g. foo.bar would be invalid, foo.bar/test.php would be valid).
      * @param $only_http bool Set this to true, if only HTTPS or HTTP schemata should be allowed.
      *  *Caution: When this is set to false, a attacker could use the file:// schema, to get internal server files, like /etc/passwd.*
+     *
      * @return bool True if the string is a valid URL. False, if the string is not an URL or invalid.
      */
-    public static function isURL(string $string, bool $path_required = true, bool $only_http = true) : bool
+    public static function isURL(string $string, bool $path_required = true, bool $only_http = true): bool
     {
         if ($only_http) {   //Check if scheme is HTTPS or HTTP
             $scheme = parse_url($string, PHP_URL_SCHEME);
-            if ($scheme !== 'http' && $scheme !== 'https') {
+            if ('http' !== $scheme && 'https' !== $scheme) {
                 return false;   //All other schemes are not valid.
             }
         }
diff --git a/src/Entity/Attachments/AttachmentContainingDBElement.php b/src/Entity/Attachments/AttachmentContainingDBElement.php
index fe0d4ee2..31154a53 100644
--- a/src/Entity/Attachments/AttachmentContainingDBElement.php
+++ b/src/Entity/Attachments/AttachmentContainingDBElement.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -48,7 +47,6 @@ use App\Entity\Base\NamedDBElement;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * @ORM\MappedSuperclass()
@@ -59,8 +57,8 @@ abstract class AttachmentContainingDBElement extends NamedDBElement
 
     /**
      * @var Attachment[]
-     * //TODO
-     * //@ORM\OneToMany(targetEntity="Attachment", mappedBy="element")
+     *                   //TODO
+     *                   //@ORM\OneToMany(targetEntity="Attachment", mappedBy="element")
      *
      * Mapping is done in sub classes like part
      */
@@ -79,34 +77,39 @@ abstract class AttachmentContainingDBElement extends NamedDBElement
 
     /**
      * Gets all attachments associated with this element.
+     *
      * @return Attachment[]|Collection
      */
-    public function getAttachments() : Collection
+    public function getAttachments(): Collection
     {
         return $this->attachments;
     }
 
     /**
-     * Adds an attachment to this element
+     * Adds an attachment to this element.
+     *
      * @param Attachment $attachment Attachment
+     *
      * @return $this
      */
-    public function addAttachment(Attachment $attachment) : self
+    public function addAttachment(Attachment $attachment): self
     {
         //Attachment must be associated with this element
         $attachment->setElement($this);
         $this->attachments->add($attachment);
+
         return $this;
     }
 
     /**
-     * Removes the given attachment from this element
-     * @param Attachment $attachment
+     * Removes the given attachment from this element.
+     *
      * @return $this
      */
-    public function removeAttachment(Attachment $attachment) : self
+    public function removeAttachment(Attachment $attachment): self
     {
         $this->attachments->removeElement($attachment);
+
         return $this;
     }
 }
diff --git a/src/Entity/Attachments/AttachmentType.php b/src/Entity/Attachments/AttachmentType.php
index 41a83deb..b0834a8b 100644
--- a/src/Entity/Attachments/AttachmentType.php
+++ b/src/Entity/Attachments/AttachmentType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -44,10 +43,10 @@ declare(strict_types=1);
 namespace App\Entity\Attachments;
 
 use App\Entity\Base\StructuralDBElement;
+use App\Validator\Constraints\ValidFileFilter;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
-use App\Validator\Constraints\ValidFileFilter;
 
 /**
  * Class AttachmentType.
@@ -85,7 +84,7 @@ class AttachmentType extends StructuralDBElement
      * @ORM\Column(type="text")
      * @ValidFileFilter
      */
-    protected $filetype_filter = "";
+    protected $filetype_filter = '';
 
     public function __construct()
     {
@@ -97,7 +96,7 @@ class AttachmentType extends StructuralDBElement
      * Get all attachments ("Attachment" objects) with this type.
      *
      * @return Collection|Attachment[] all attachements with this type, as a one-dimensional array of Attachements
-     *                      (sorted by their names)
+     *                                 (sorted by their names)
      */
     public function getAttachmentsForType(): Collection
     {
@@ -108,6 +107,7 @@ class AttachmentType extends StructuralDBElement
      * Gets an filter, which file types are allowed for attachment files.
      * Must be in the format of <input type=file> accept attribute
      * (See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#Unique_file_type_specifiers).
+     *
      * @return string
      */
     public function getFiletypeFilter(): string
@@ -116,12 +116,12 @@ class AttachmentType extends StructuralDBElement
     }
 
     /**
-     * @param string $filetype_filter
      * @return AttachmentType
      */
-    public function setFiletypeFilter(string $filetype_filter): AttachmentType
+    public function setFiletypeFilter(string $filetype_filter): self
     {
         $this->filetype_filter = $filetype_filter;
+
         return $this;
     }
 
@@ -133,6 +133,6 @@ class AttachmentType extends StructuralDBElement
      */
     public function getIDString(): string
     {
-        return 'AT' . sprintf('%09d', $this->getID());
+        return 'AT'.sprintf('%09d', $this->getID());
     }
 }
diff --git a/src/Entity/Attachments/AttachmentTypeAttachment.php b/src/Entity/Attachments/AttachmentTypeAttachment.php
index b8c0577a..b92a65fc 100644
--- a/src/Entity/Attachments/AttachmentTypeAttachment.php
+++ b/src/Entity/Attachments/AttachmentTypeAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,19 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to an attachmentType element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class AttachmentTypeAttachment extends Attachment
 {
-
     /**
      * @var AttachmentType The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Attachments\AttachmentType", inversedBy="attachments")
@@ -40,5 +37,5 @@ class AttachmentTypeAttachment extends Attachment
      */
     protected $element;
 
-    public const ALLOWED_ELEMENT_CLASS =  AttachmentType::class;
-}
\ No newline at end of file
+    public const ALLOWED_ELEMENT_CLASS = AttachmentType::class;
+}
diff --git a/src/Entity/Attachments/CategoryAttachment.php b/src/Entity/Attachments/CategoryAttachment.php
index bd7ed4cc..cf46221a 100644
--- a/src/Entity/Attachments/CategoryAttachment.php
+++ b/src/Entity/Attachments/CategoryAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
 use App\Entity\Parts\Category;
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a category element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class CategoryAttachment extends Attachment
 {
-
     /**
      * @var Category The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Category", inversedBy="attachments")
@@ -43,4 +39,4 @@ class CategoryAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Category::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/CurrencyAttachment.php b/src/Entity/Attachments/CurrencyAttachment.php
index af90fe88..6515bee2 100644
--- a/src/Entity/Attachments/CurrencyAttachment.php
+++ b/src/Entity/Attachments/CurrencyAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,28 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
-use App\Entity\Parts\Storelocation;
-use App\Entity\Parts\Supplier;
 use App\Entity\PriceInformations\Currency;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a currency element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class CurrencyAttachment extends Attachment
 {
-
     /**
      * @var Currency The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\PriceInformations\Currency", inversedBy="attachments")
@@ -47,4 +39,4 @@ class CurrencyAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Currency::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/DeviceAttachment.php b/src/Entity/Attachments/DeviceAttachment.php
index 670e6a17..29988fb5 100644
--- a/src/Entity/Attachments/DeviceAttachment.php
+++ b/src/Entity/Attachments/DeviceAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
 use App\Entity\Devices\Device;
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a device element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class DeviceAttachment extends Attachment
@@ -41,4 +39,4 @@ class DeviceAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Device::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/FootprintAttachment.php b/src/Entity/Attachments/FootprintAttachment.php
index 9251b7b2..f8a37868 100644
--- a/src/Entity/Attachments/FootprintAttachment.php
+++ b/src/Entity/Attachments/FootprintAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
 use App\Entity\Parts\Footprint;
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a footprint element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class FootprintAttachment extends Attachment
 {
-
     /**
      * @var Footprint The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Footprint", inversedBy="attachments")
@@ -43,4 +39,4 @@ class FootprintAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Footprint::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/GroupAttachment.php b/src/Entity/Attachments/GroupAttachment.php
index d1300172..ae32fc1e 100644
--- a/src/Entity/Attachments/GroupAttachment.php
+++ b/src/Entity/Attachments/GroupAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,30 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
-use App\Entity\Parts\Storelocation;
-use App\Entity\Parts\Supplier;
-use App\Entity\PriceInformations\Currency;
 use App\Entity\UserSystem\Group;
-use App\Entity\UserSystem\User;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a Group element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class GroupAttachment extends Attachment
 {
-
     /**
      * @var Group The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\UserSystem\Group", inversedBy="attachments")
diff --git a/src/Entity/Attachments/ManufacturerAttachment.php b/src/Entity/Attachments/ManufacturerAttachment.php
index a9827fa1..12322193 100644
--- a/src/Entity/Attachments/ManufacturerAttachment.php
+++ b/src/Entity/Attachments/ManufacturerAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
 use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a manufacturer element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class ManufacturerAttachment extends Attachment
 {
-
     /**
      * @var Manufacturer The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Manufacturer", inversedBy="attachments")
@@ -43,4 +39,4 @@ class ManufacturerAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Manufacturer::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/MeasurementUnitAttachment.php b/src/Entity/Attachments/MeasurementUnitAttachment.php
index 1f873ac6..bb5fba35 100644
--- a/src/Entity/Attachments/MeasurementUnitAttachment.php
+++ b/src/Entity/Attachments/MeasurementUnitAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,25 +17,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a measurement unit element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class MeasurementUnitAttachment extends Attachment
 {
-
     /**
      * @var Manufacturer The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\MeasurementUnit", inversedBy="attachments")
@@ -44,4 +40,4 @@ class MeasurementUnitAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = MeasurementUnit::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/PartAttachment.php b/src/Entity/Attachments/PartAttachment.php
index 986dddbc..955f8dae 100644
--- a/src/Entity/Attachments/PartAttachment.php
+++ b/src/Entity/Attachments/PartAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
@@ -27,12 +26,11 @@ use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a part element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class PartAttachment extends Attachment
 {
-
     /**
      * @var Part The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Part", inversedBy="attachments")
@@ -41,4 +39,4 @@ class PartAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Part::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/StorelocationAttachment.php b/src/Entity/Attachments/StorelocationAttachment.php
index ee27f5a7..072e1b8c 100644
--- a/src/Entity/Attachments/StorelocationAttachment.php
+++ b/src/Entity/Attachments/StorelocationAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,27 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
 use App\Entity\Parts\Storelocation;
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\HttpKernel\HttpCache\Store;
 
 /**
  * A attachment attached to a measurement unit element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class StorelocationAttachment extends Attachment
 {
-
     /**
      * @var Storelocation The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Storelocation", inversedBy="attachments")
@@ -46,4 +39,4 @@ class StorelocationAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Storelocation::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/SupplierAttachment.php b/src/Entity/Attachments/SupplierAttachment.php
index 5be36d8b..986deedd 100644
--- a/src/Entity/Attachments/SupplierAttachment.php
+++ b/src/Entity/Attachments/SupplierAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,27 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
-use App\Entity\Parts\Storelocation;
 use App\Entity\Parts\Supplier;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a supplier element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class SupplierAttachment extends Attachment
 {
-
     /**
      * @var Supplier The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\Parts\Supplier", inversedBy="attachments")
@@ -46,4 +39,4 @@ class SupplierAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = Supplier::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Attachments/UserAttachment.php b/src/Entity/Attachments/UserAttachment.php
index 76bbe08b..daa2b357 100644
--- a/src/Entity/Attachments/UserAttachment.php
+++ b/src/Entity/Attachments/UserAttachment.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,29 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Attachments;
 
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
-use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
-use App\Entity\Parts\Storelocation;
-use App\Entity\Parts\Supplier;
-use App\Entity\PriceInformations\Currency;
 use App\Entity\UserSystem\User;
 use Doctrine\ORM\Mapping as ORM;
 
 /**
  * A attachment attached to a user element.
- * @package App\Entity
+ *
  * @ORM\Entity()
  */
 class UserAttachment extends Attachment
 {
-
     /**
      * @var User The element this attachment is associated with.
      * @ORM\ManyToOne(targetEntity="App\Entity\UserSystem\User", inversedBy="attachments")
@@ -48,4 +39,4 @@ class UserAttachment extends Attachment
     protected $element;
 
     public const ALLOWED_ELEMENT_CLASS = User::class;
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Base/Company.php b/src/Entity/Base/Company.php
index 5d8486f2..8d093e87 100644
--- a/src/Entity/Base/Company.php
+++ b/src/Entity/Base/Company.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
diff --git a/src/Entity/Base/DBElement.php b/src/Entity/Base/DBElement.php
index c765c5e2..c53e6514 100644
--- a/src/Entity/Base/DBElement.php
+++ b/src/Entity/Base/DBElement.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -104,7 +103,6 @@ abstract class DBElement
      * This should have a form like P000014, for a part with ID 14.
      *
      * @return string The ID as a string;
-     *
      */
     abstract public function getIDString(): string;
 
diff --git a/src/Entity/Base/MasterAttachmentTrait.php b/src/Entity/Base/MasterAttachmentTrait.php
index b40feed6..cea062bf 100644
--- a/src/Entity/Base/MasterAttachmentTrait.php
+++ b/src/Entity/Base/MasterAttachmentTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,20 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Base;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Parts\Part;
-use App\Security\Annotations\ColumnSecurity;
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * A entity with this class has a master attachment, which is used as a preview image for this object.
- * @package App\Entity\Parts\PartTraits
  */
 trait MasterAttachmentTrait
 {
@@ -42,10 +38,10 @@ trait MasterAttachmentTrait
      */
     protected $master_picture_attachment;
 
-
     /**
      * Get the master picture "Attachment"-object of this part (if there is one).
      * The master picture should be used as a visual description/representation of this part.
+     *
      * @return Attachment the master picture Attachement of this part (if there is one)
      */
     public function getMasterPictureAttachment(): ?Attachment
@@ -55,14 +51,13 @@ trait MasterAttachmentTrait
 
     /**
      * Sets the new master picture for this part.
-     * @param Attachment|null $new_master_attachment
+     *
      * @return Part
      */
     public function setMasterPictureAttachment(?Attachment $new_master_attachment): self
     {
         $this->master_picture_attachment = $new_master_attachment;
+
         return $this;
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Base/NamedDBElement.php b/src/Entity/Base/NamedDBElement.php
index 9560b74a..f32cb419 100644
--- a/src/Entity/Base/NamedDBElement.php
+++ b/src/Entity/Base/NamedDBElement.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -44,8 +43,8 @@ declare(strict_types=1);
 namespace App\Entity\Base;
 
 use Doctrine\ORM\Mapping as ORM;
-use Symfony\Component\Validator\Constraints as Assert;
 use Symfony\Component\Serializer\Annotation\Groups;
+use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * All subclasses of this class have an attribute "name".
@@ -55,7 +54,6 @@ use Symfony\Component\Serializer\Annotation\Groups;
  */
 abstract class NamedDBElement extends DBElement
 {
-
     use TimestampTrait;
 
     /**
@@ -73,7 +71,8 @@ abstract class NamedDBElement extends DBElement
      *********************************************************************************/
 
     /**
-     * Get the name of this element
+     * Get the name of this element.
+     *
      * @return string the name of this element
      */
     public function getName(): string
@@ -91,6 +90,7 @@ abstract class NamedDBElement extends DBElement
      * Change the name of this element.
      *
      * @param string $new_name the new name
+     *
      * @return self
      */
     public function setName(string $new_name): self
diff --git a/src/Entity/Base/PartsContainingDBElement.php b/src/Entity/Base/PartsContainingDBElement.php
index 35976148..3d4c6098 100644
--- a/src/Entity/Base/PartsContainingDBElement.php
+++ b/src/Entity/Base/PartsContainingDBElement.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -68,9 +67,10 @@ abstract class PartsContainingDBElement extends StructuralDBElement
 
     /**
      * Returns the parts associated with this element.
+     *
      * @return Collection|Part[]
      */
-    public function getParts() : Collection
+    public function getParts(): Collection
     {
         return $this->parts;
     }
diff --git a/src/Entity/Base/StructuralDBElement.php b/src/Entity/Base/StructuralDBElement.php
index 74ea8aae..327c3c34 100644
--- a/src/Entity/Base/StructuralDBElement.php
+++ b/src/Entity/Base/StructuralDBElement.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -44,9 +43,9 @@ declare(strict_types=1);
 namespace App\Entity\Base;
 
 use App\Entity\Attachments\AttachmentContainingDBElement;
+use App\Validator\Constraints\NoneOfItsChildren;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\Mapping as ORM;
-use App\Validator\Constraints\NoneOfItsChildren;
 use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 use Symfony\Component\Serializer\Annotation\Groups;
 
@@ -95,7 +94,7 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
 
     /**
      * @var bool If this property is set, this element can not be selected for part properties.
-     * Useful if this element should be used only for grouping, sorting.
+     *           Useful if this element should be used only for grouping, sorting.
      * @ORM\Column(type="boolean")
      */
     protected $not_selectable = false;
@@ -107,12 +106,9 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
 
     /** @var string[] all names of all parent elements as a array of strings,
      *  the last array element is the name of the element itself
-     *
      */
     private $full_path_strings;
 
-
-
     public function __construct()
     {
         parent::__construct();
@@ -127,19 +123,19 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
      * Check if this element is a child of another element (recursive).
      *
      * @param StructuralDBElement $another_element the object to compare
-     *     IMPORTANT: both objects to compare must be from the same class (for example two "Device" objects)!
+     *                                             IMPORTANT: both objects to compare must be from the same class (for example two "Device" objects)!
      *
      * @return bool True, if this element is child of $another_element.
      *
      * @throws \InvalidArgumentException if there was an error
      */
-    public function isChildOf(StructuralDBElement $another_element) : bool
+    public function isChildOf(self $another_element): bool
     {
         $class_name = \get_class($this);
 
         //Check if both elements compared, are from the same type
         // (we have to check inheritance, or we get exceptions when using doctrine entities (they have a proxy type):
-        if (!is_a($another_element, $class_name) && !is_a($this, get_class($another_element))) {
+        if (!is_a($another_element, $class_name) && !is_a($this, \get_class($another_element))) {
             throw new \InvalidArgumentException('isChildOf() only works for objects of the same type!');
         }
 
@@ -153,12 +149,13 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
     }
 
     /**
-     * Checks if this element is an root element (has no parent)
+     * Checks if this element is an root element (has no parent).
+     *
      * @return bool True if the this element is an root element.
      */
-    public function isRoot() : bool
+    public function isRoot(): bool
     {
-        return $this->parent === null;
+        return null === $this->parent;
     }
 
     /******************************************************************************
@@ -180,6 +177,7 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
     /**
      *  Get the comment of the element.
 
+     *
      * @return string the comment
      */
     public function getComment(): ?string
@@ -194,21 +192,21 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
      *
      * @return int the level of this element (zero means a most top element
      *             [a subelement of the root node])
-     *
      */
     public function getLevel(): int
     {
-        /**
+        /*
          * Only check for nodes that have a parent. In the other cases zero is correct.
          */
-        if (0 === $this->level && $this->parent !== null) {
+        if (0 === $this->level && null !== $this->parent) {
             $element = $this->parent;
-            while ($element !== null) {
+            while (null !== $element) {
                 /** @var StructuralDBElement $element */
                 $element = $element->parent;
                 ++$this->level;
             }
         }
+
         return $this->level;
     }
 
@@ -218,12 +216,11 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
      * @param string $delimeter the delimeter of the returned string
      *
      * @return string the full path (incl. the name of this element), delimeted by $delimeter
-     *
      */
     public function getFullPath(string $delimeter = self::PATH_DELIMITER_ARROW): string
     {
         if (!\is_array($this->full_path_strings)) {
-            $this->full_path_strings = array();
+            $this->full_path_strings = [];
             $this->full_path_strings[] = $this->getName();
             $element = $this;
 
@@ -233,7 +230,7 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
                 $element = $element->parent;
                 $this->full_path_strings[] = $element->getName();
                 //Decrement to prevent mem overflow.
-                $overflow--;
+                --$overflow;
             }
 
             $this->full_path_strings = array_reverse($this->full_path_strings);
@@ -242,11 +239,11 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
         return implode($delimeter, $this->full_path_strings);
     }
 
-
     /**
-     * Gets the path to this element (including the element itself)
+     * Gets the path to this element (including the element itself).
+     *
      * @return self[] An array with all (recursivily) parent elements (including this one),
-     * ordered from the lowest levels (root node) first to the highest level (the element itself)
+     *                ordered from the lowest levels (root node) first to the highest level (the element itself)
      */
     public function getPathArray(): array
     {
@@ -254,7 +251,7 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
         $tmp[] = $this;
 
         //We only allow 20 levels depth
-        while (!end($tmp)->isRoot() && count($tmp) < 20) {
+        while (!end($tmp)->isRoot() && \count($tmp) < 20) {
             $tmp[] = end($tmp)->parent;
         }
 
@@ -293,11 +290,13 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
      ******************************************************************************/
 
     /**
-     * Sets the new parent object
+     * Sets the new parent object.
+     *
      * @param self $new_parent The new parent object
+     *
      * @return StructuralDBElement
      */
-    public function setParent(?self $new_parent) : self
+    public function setParent(?self $new_parent): self
     {
         /*
         if ($new_parent->isChildOf($this)) {
@@ -311,7 +310,9 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
 
     /**
      *  Set the comment.
+     *
      * @param string $new_comment the new comment
+     *
      * @return StructuralDBElement
      */
     public function setComment(?string $new_comment): self
@@ -321,7 +322,7 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
         return $this;
     }
 
-    public function setChildren(array $element) : self
+    public function setChildren(array $element): self
     {
         $this->children = $element;
 
@@ -329,16 +330,16 @@ abstract class StructuralDBElement extends AttachmentContainingDBElement
     }
 
     /**
-     * @param bool $not_selectable
      * @return StructuralDBElement
      */
-    public function setNotSelectable(bool $not_selectable): StructuralDBElement
+    public function setNotSelectable(bool $not_selectable): self
     {
         $this->not_selectable = $not_selectable;
+
         return $this;
     }
 
-    public function clearChildren() : self
+    public function clearChildren(): self
     {
         $this->children = new ArrayCollection();
 
diff --git a/src/Entity/Base/TimestampTrait.php b/src/Entity/Base/TimestampTrait.php
index 6dc26735..892f5e53 100644
--- a/src/Entity/Base/TimestampTrait.php
+++ b/src/Entity/Base/TimestampTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,17 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Base;
 
-
 use Symfony\Component\Serializer\Annotation\Groups;
 
 /**
- * A entity with these trait contains informations about, when it was created and edited last time
- * @package App\Entity\Base
+ * A entity with these trait contains informations about, when it was created and edited last time.
  */
 trait TimestampTrait
 {
@@ -80,4 +77,4 @@ trait TimestampTrait
             $this->addedDate = new \DateTime('now');
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Devices/Device.php b/src/Entity/Devices/Device.php
index 0a99cc23..5465d826 100644
--- a/src/Entity/Devices/Device.php
+++ b/src/Entity/Devices/Device.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -52,7 +51,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Devices;
 
-use App\Entity\Attachments\AttachmentTypeAttachment;
 use App\Entity\Attachments\DeviceAttachment;
 use App\Entity\Base\PartsContainingDBElement;
 use Doctrine\Common\Collections\Collection;
@@ -66,7 +64,6 @@ use Doctrine\ORM\Mapping as ORM;
  */
 class Device extends PartsContainingDBElement
 {
-
     /**
      * @var Collection|DeviceAttachment[]
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\DeviceAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
@@ -137,8 +134,6 @@ class Device extends PartsContainingDBElement
      *  Set the order quantity.
      *
      * @param int $new_order_quantity the new order quantity
-     *
-     * @return self
      */
     public function setOrderQuantity(int $new_order_quantity): self
     {
@@ -154,8 +149,6 @@ class Device extends PartsContainingDBElement
      *  Set the "order_only_missing_parts" attribute.
      *
      * @param bool $new_order_only_missing_parts the new "order_only_missing_parts" attribute
-     *
-     * @return self
      */
     public function setOrderOnlyMissingParts(bool $new_order_only_missing_parts): self
     {
diff --git a/src/Entity/Devices/DevicePart.php b/src/Entity/Devices/DevicePart.php
index 9f10d6fb..85cb4264 100644
--- a/src/Entity/Devices/DevicePart.php
+++ b/src/Entity/Devices/DevicePart.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -90,7 +89,6 @@ class DevicePart extends DBElement
      */
     protected $mountnames;
 
-
     /**
      * Returns the ID as an string, defined by the element class.
      * This should have a form like P000014, for a part with ID 14.
diff --git a/src/Entity/Parts/Category.php b/src/Entity/Parts/Category.php
index bb6c4e0e..9625a842 100644
--- a/src/Entity/Parts/Category.php
+++ b/src/Entity/Parts/Category.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -56,7 +55,6 @@ use Doctrine\ORM\Mapping as ORM;
  */
 class Category extends PartsContainingDBElement
 {
-
     /**
      * @var Collection|CategoryAttachment[]
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\CategoryAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
@@ -147,12 +145,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param string $partname_hint
      * @return Category
      */
-    public function setPartnameHint(string $partname_hint): Category
+    public function setPartnameHint(string $partname_hint): self
     {
         $this->partname_hint = $partname_hint;
+
         return $this;
     }
 
@@ -165,12 +163,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param string $partname_regex
      * @return Category
      */
-    public function setPartnameRegex(string $partname_regex): Category
+    public function setPartnameRegex(string $partname_regex): self
     {
         $this->partname_regex = $partname_regex;
+
         return $this;
     }
 
@@ -183,12 +181,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $disable_footprints
      * @return Category
      */
-    public function setDisableFootprints(bool $disable_footprints): Category
+    public function setDisableFootprints(bool $disable_footprints): self
     {
         $this->disable_footprints = $disable_footprints;
+
         return $this;
     }
 
@@ -201,12 +199,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $disable_manufacturers
      * @return Category
      */
-    public function setDisableManufacturers(bool $disable_manufacturers): Category
+    public function setDisableManufacturers(bool $disable_manufacturers): self
     {
         $this->disable_manufacturers = $disable_manufacturers;
+
         return $this;
     }
 
@@ -219,12 +217,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $disable_autodatasheets
      * @return Category
      */
-    public function setDisableAutodatasheets(bool $disable_autodatasheets): Category
+    public function setDisableAutodatasheets(bool $disable_autodatasheets): self
     {
         $this->disable_autodatasheets = $disable_autodatasheets;
+
         return $this;
     }
 
@@ -237,12 +235,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $disable_properties
      * @return Category
      */
-    public function setDisableProperties(bool $disable_properties): Category
+    public function setDisableProperties(bool $disable_properties): self
     {
         $this->disable_properties = $disable_properties;
+
         return $this;
     }
 
@@ -255,12 +253,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param string $default_description
      * @return Category
      */
-    public function setDefaultDescription(string $default_description): Category
+    public function setDefaultDescription(string $default_description): self
     {
         $this->default_description = $default_description;
+
         return $this;
     }
 
@@ -273,14 +271,12 @@ class Category extends PartsContainingDBElement
     }
 
     /**
-     * @param string $default_comment
      * @return Category
      */
-    public function setDefaultComment(string $default_comment): Category
+    public function setDefaultComment(string $default_comment): self
     {
         $this->default_comment = $default_comment;
+
         return $this;
     }
-
-
 }
diff --git a/src/Entity/Parts/Footprint.php b/src/Entity/Parts/Footprint.php
index 81b68b01..e8936268 100644
--- a/src/Entity/Parts/Footprint.php
+++ b/src/Entity/Parts/Footprint.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -52,7 +51,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Parts;
 
-use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\FootprintAttachment;
 use App\Entity\Base\PartsContainingDBElement;
 use Doctrine\Common\Collections\Collection;
@@ -112,9 +110,10 @@ class Footprint extends PartsContainingDBElement
 
     /**
      * Returns the 3D Model associated with this footprint.
+     *
      * @return FootprintAttachment|null
      */
-    public function getFootprint3d() : ?FootprintAttachment
+    public function getFootprint3d(): ?FootprintAttachment
     {
         return $this->footprint_3d;
     }
@@ -127,13 +126,13 @@ class Footprint extends PartsContainingDBElement
 
     /**
      * Sets the 3D Model associated with this footprint.
-     * @param FootprintAttachment|null $new_attachment
+     *
      * @return Footprint
      */
-    public function setFootprint3d(?FootprintAttachment $new_attachment) : Footprint
+    public function setFootprint3d(?FootprintAttachment $new_attachment): self
     {
         $this->footprint_3d = $new_attachment;
+
         return $this;
     }
-
 }
diff --git a/src/Entity/Parts/Manufacturer.php b/src/Entity/Parts/Manufacturer.php
index b3b34a4c..60c33788 100644
--- a/src/Entity/Parts/Manufacturer.php
+++ b/src/Entity/Parts/Manufacturer.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -52,7 +51,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Parts;
 
-use App\Entity\Attachments\FootprintAttachment;
 use App\Entity\Attachments\ManufacturerAttachment;
 use App\Entity\Base\Company;
 use Doctrine\Common\Collections\Collection;
@@ -72,7 +70,6 @@ class Manufacturer extends Company
      */
     protected $attachments;
 
-
     /**
      * @ORM\OneToMany(targetEntity="Manufacturer", mappedBy="parent")
      */
diff --git a/src/Entity/Parts/MeasurementUnit.php b/src/Entity/Parts/MeasurementUnit.php
index ed95f989..75f4dce5 100644
--- a/src/Entity/Parts/MeasurementUnit.php
+++ b/src/Entity/Parts/MeasurementUnit.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,13 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts;
 
-
-use App\Entity\Attachments\ManufacturerAttachment;
 use App\Entity\Attachments\MeasurementUnitAttachment;
 use App\Entity\Base\PartsContainingDBElement;
 use Doctrine\Common\Collections\Collection;
@@ -35,14 +32,12 @@ use Symfony\Component\Validator\Constraints as Assert;
  * This unit represents the unit in which the amount of parts in stock are measured.
  * This could be something like N, gramms, meters, etc...
  *
- * @package App\Entity
  * @ORM\Entity(repositoryClass="App\Repository\StructuralDBElementRepository")
  * @ORM\Table(name="`measurement_units`")
  * @UniqueEntity("unit")
  */
 class MeasurementUnit extends PartsContainingDBElement
 {
-
     /**
      * @var Collection|MeasurementUnitAttachment[]
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\MeasurementUnitAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
@@ -51,7 +46,7 @@ class MeasurementUnit extends PartsContainingDBElement
 
     /**
      * @var string The unit symbol that should be used for the Unit. This could be something like "", g (for gramms)
-     * or m (for meters).
+     *             or m (for meters).
      * @ORM\Column(type="string", name="unit", nullable=true)
      * @Assert\Length(max=10)
      */
@@ -59,14 +54,14 @@ class MeasurementUnit extends PartsContainingDBElement
 
     /**
      * @var bool Determines if the amount value associated with this unit should be treated as integer.
-     * Set to false, to measure continuous sizes likes masses or lengthes.
+     *           Set to false, to measure continuous sizes likes masses or lengthes.
      * @ORM\Column(type="boolean", name="is_integer")
      */
     protected $is_integer = false;
 
     /**
      * @var bool Determines if the unit can be used with SI Prefixes (kilo, giga, milli, etc.).
-     * Useful for sizes like meters.
+     *           Useful for sizes like meters.
      * @ORM\Column(type="boolean", name="use_si_prefix")
      */
     protected $use_si_prefix = false;
@@ -92,11 +87,10 @@ class MeasurementUnit extends PartsContainingDBElement
      * This should have a form like P000014, for a part with ID 14.
      *
      * @return string The ID as a string;
-     *
      */
     public function getIDString(): string
     {
-        return 'MU' . $this->getID();
+        return 'MU'.$this->getID();
     }
 
     /**
@@ -109,11 +103,13 @@ class MeasurementUnit extends PartsContainingDBElement
 
     /**
      * @param string $unit
+     *
      * @return MeasurementUnit
      */
-    public function setUnit(?string $unit): MeasurementUnit
+    public function setUnit(?string $unit): self
     {
         $this->unit = $unit;
+
         return $this;
     }
 
@@ -126,12 +122,12 @@ class MeasurementUnit extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $isInteger
      * @return MeasurementUnit
      */
-    public function setIsInteger(bool $isInteger): MeasurementUnit
+    public function setIsInteger(bool $isInteger): self
     {
         $this->is_integer = $isInteger;
+
         return $this;
     }
 
@@ -144,12 +140,12 @@ class MeasurementUnit extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $usesSIPrefixes
      * @return MeasurementUnit
      */
-    public function setUseSIPrefix(bool $usesSIPrefixes): MeasurementUnit
+    public function setUseSIPrefix(bool $usesSIPrefixes): self
     {
         $this->use_si_prefix = $usesSIPrefixes;
+
         return $this;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/Part.php b/src/Entity/Parts/Part.php
index 99c516a1..a266a6fa 100644
--- a/src/Entity/Parts/Part.php
+++ b/src/Entity/Parts/Part.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -54,9 +53,9 @@ namespace App\Entity\Parts;
 
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentContainingDBElement;
+use App\Entity\Base\MasterAttachmentTrait;
 use App\Entity\Devices\Device;
 use App\Entity\Parts\PartTraits\AdvancedPropertyTrait;
-use App\Entity\Base\MasterAttachmentTrait;
 use App\Entity\Parts\PartTraits\BasicPropertyTrait;
 use App\Entity\Parts\PartTraits\InstockTrait;
 use App\Entity\Parts\PartTraits\ManufacturerTrait;
@@ -64,7 +63,6 @@ use App\Entity\Parts\PartTraits\OrderTrait;
 use App\Security\Annotations\ColumnSecurity;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\Mapping as ORM;
-
 use Symfony\Component\Validator\Constraints as Assert;
 
 /**
@@ -143,7 +141,7 @@ class Part extends AttachmentContainingDBElement
      */
     public function getIDString(): string
     {
-        return 'P' . sprintf('%06d', $this->getID());
+        return 'P'.sprintf('%06d', $this->getID());
     }
 
     /**
@@ -152,11 +150,9 @@ class Part extends AttachmentContainingDBElement
      * @return Device[] * all devices which uses this part as a one-dimensional array of Device objects
      *                  (empty array if there are no ones)
      *                  * the array is sorted by the devices names
-     *
      */
     public function getDevices(): array
     {
         return $this->devices;
     }
-
 }
diff --git a/src/Entity/Parts/PartLot.php b/src/Entity/Parts/PartLot.php
index a9ccaac4..5d200b22 100644
--- a/src/Entity/Parts/PartLot.php
+++ b/src/Entity/Parts/PartLot.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts;
 
-
 use App\Entity\Base\DBElement;
 use App\Entity\Base\TimestampTrait;
 use App\Entity\Parts\PartTraits\InstockTrait;
@@ -34,7 +32,7 @@ use Symfony\Component\Validator\Constraints as Assert;
 /**
  * This entity describes a lot where parts can be stored.
  * It is the connection between a part and its store locations.
- * @package App\Entity\Parts
+ *
  * @ORM\Entity()
  * @ORM\Table(name="part_lots")
  * @ORM\HasLifecycleCallbacks()
@@ -42,7 +40,6 @@ use Symfony\Component\Validator\Constraints as Assert;
  */
 class PartLot extends DBElement
 {
-
     use TimestampTrait;
 
     /**
@@ -59,7 +56,7 @@ class PartLot extends DBElement
 
     /**
      * @var ?\DateTime Set a time until when the lot must be used.
-     * Set to null, if the lot can be used indefinitley.
+     *                 Set to null, if the lot can be used indefinitley.
      * @ORM\Column(type="datetime", name="expiration_date", nullable=true)
      */
     protected $expiration_date;
@@ -86,7 +83,6 @@ class PartLot extends DBElement
      */
     protected $instock_unknown = false;
 
-
     /**
      * @var float For continuos sizes (length, volume, etc.) the instock is saved here.
      * @ORM\Column(type="float")
@@ -95,7 +91,7 @@ class PartLot extends DBElement
     protected $amount = 0;
 
     /**
-     * @var boolean Determines if this lot was manually marked for refilling.
+     * @var bool Determines if this lot was manually marked for refilling.
      * @ORM\Column(type="boolean")
      */
     protected $needs_refill = false;
@@ -105,21 +101,21 @@ class PartLot extends DBElement
      * This should have a form like P000014, for a part with ID 14.
      *
      * @return string The ID as a string;
-     *
      */
     public function getIDString(): string
     {
-        return 'PL' . $this->getID();
+        return 'PL'.$this->getID();
     }
 
     /**
      * Check if the current part lot is expired.
      * This is the case, if the expiration date is greater the the current date.
+     *
      * @return bool|null True, if the part lot is expired. Returns null, if no expiration date was set.
      */
     public function isExpired(): ?bool
     {
-        if ($this->expiration_date === null) {
+        if (null === $this->expiration_date) {
             return null;
         }
 
@@ -129,6 +125,7 @@ class PartLot extends DBElement
 
     /**
      * Gets the description of the part lot. Similar to a "name" of the part lot.
+     *
      * @return string
      */
     public function getDescription(): string
@@ -138,17 +135,19 @@ class PartLot extends DBElement
 
     /**
      * Sets the description of the part lot.
-     * @param string $description
+     *
      * @return PartLot
      */
-    public function setDescription(string $description): PartLot
+    public function setDescription(string $description): self
     {
         $this->description = $description;
+
         return $this;
     }
 
     /**
      * Gets the comment for this part lot.
+     *
      * @return string
      */
     public function getComment(): string
@@ -158,17 +157,19 @@ class PartLot extends DBElement
 
     /**
      * Sets the comment for this part lot.
-     * @param string $comment
+     *
      * @return PartLot
      */
-    public function setComment(string $comment): PartLot
+    public function setComment(string $comment): self
     {
         $this->comment = $comment;
+
         return $this;
     }
 
     /**
      * Gets the expiration date for the part lot. Returns null, if no expiration date was set.
+     *
      * @return \DateTime|null
      */
     public function getExpirationDate(): ?\DateTime
@@ -178,17 +179,21 @@ class PartLot extends DBElement
 
     /**
      * Sets the expiration date for the part lot. Set to null, if the part lot does not expires.
+     *
      * @param \DateTime $expiration_date
+     *
      * @return PartLot
      */
-    public function setExpirationDate(?\DateTime $expiration_date): PartLot
+    public function setExpirationDate(?\DateTime $expiration_date): self
     {
         $this->expiration_date = $expiration_date;
+
         return $this;
     }
 
     /**
      * Gets the storage locatiion, where this part lot is stored.
+     *
      * @return Storelocation|null The store location where this part is stored
      */
     public function getStorageLocation(): ?Storelocation
@@ -197,18 +202,20 @@ class PartLot extends DBElement
     }
 
     /**
-     * Sets the storage location, where this part lot is stored
-     * @param Storelocation|null $storage_location
+     * Sets the storage location, where this part lot is stored.
+     *
      * @return PartLot
      */
-    public function setStorageLocation(?Storelocation $storage_location): PartLot
+    public function setStorageLocation(?Storelocation $storage_location): self
     {
         $this->storage_location = $storage_location;
+
         return $this;
     }
 
     /**
      * Return the part that is stored in this part lot.
+     *
      * @return Part
      */
     public function getPart(): Part
@@ -218,12 +225,15 @@ class PartLot extends DBElement
 
     /**
      * Sets the part that is stored in this part lot.
+     *
      * @param Part|InstockTrait $part
+     *
      * @return PartLot
      */
-    public function setPart(Part $part): PartLot
+    public function setPart(Part $part): self
     {
         $this->part = $part;
+
         return $this;
     }
 
@@ -239,12 +249,13 @@ class PartLot extends DBElement
 
     /**
      * Set the unknown instock status of this part lot.
-     * @param bool $instock_unknown
+     *
      * @return PartLot
      */
-    public function setInstockUnknown(bool $instock_unknown): PartLot
+    public function setInstockUnknown(bool $instock_unknown): self
     {
         $this->instock_unknown = $instock_unknown;
+
         return $this;
     }
 
@@ -256,17 +267,17 @@ class PartLot extends DBElement
         if ($this->part instanceof Part && !$this->part->useFloatAmount()) {
             return round($this->amount);
         }
+
         return (float) $this->amount;
     }
 
-    public function setAmount(float $new_amount): PartLot
+    public function setAmount(float $new_amount): self
     {
-        $this->amount  = $new_amount;
+        $this->amount = $new_amount;
+
         return $this;
     }
 
-
-
     /**
      * @return bool
      */
@@ -276,14 +287,12 @@ class PartLot extends DBElement
     }
 
     /**
-     * @param bool $needs_refill
      * @return PartLot
      */
-    public function setNeedsRefill(bool $needs_refill): PartLot
+    public function setNeedsRefill(bool $needs_refill): self
     {
         $this->needs_refill = $needs_refill;
+
         return $this;
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php b/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
index dfdd5e89..0cbb1320 100644
--- a/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
+++ b/src/Entity/Parts/PartTraits/AdvancedPropertyTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts\PartTraits;
 
-
 use App\Entity\Parts\Part;
 use App\Security\Annotations\ColumnSecurity;
 
 /**
  * Advanced properties of a part, not related to a more specific group.
- * @package App\Entity\Parts\PartTraits
  */
 trait AdvancedPropertyTrait
 {
@@ -56,6 +53,7 @@ trait AdvancedPropertyTrait
 
     /**
      * Checks if this part is marked, for that it needs further review.
+     *
      * @return bool
      */
     public function isNeedsReview(): bool
@@ -65,18 +63,19 @@ trait AdvancedPropertyTrait
 
     /**
      * Sets the "needs review" status of this part.
-     * @param bool $needs_review
+     *
      * @return Part|self
      */
     public function setNeedsReview(bool $needs_review): self
     {
         $this->needs_review = $needs_review;
+
         return $this;
     }
 
-
     /**
-     * Gets a comma separated list, of tags, that are assigned to this part
+     * Gets a comma separated list, of tags, that are assigned to this part.
+     *
      * @return string
      */
     public function getTags(): string
@@ -86,18 +85,20 @@ trait AdvancedPropertyTrait
 
     /**
      * Sets a comma separated list of tags, that are assigned to this part.
-     * @param string $tags
+     *
      * @return self
      */
     public function setTags(string $tags): self
     {
         $this->tags = $tags;
+
         return $this;
     }
 
     /**
      * Returns the mass of a single part unit.
-     * Returns null, if the mass is unknown/not set yet
+     * Returns null, if the mass is unknown/not set yet.
+     *
      * @return float|null
      */
     public function getMass(): ?float
@@ -108,14 +109,13 @@ trait AdvancedPropertyTrait
     /**
      * Sets the mass of a single part unit.
      * Sett to null, if the mass is unknown.
-     * @param float|null $mass
+     *
      * @return self
      */
     public function setMass(?float $mass): self
     {
         $this->mass = $mass;
+
         return $this;
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/PartTraits/BasicPropertyTrait.php b/src/Entity/Parts/PartTraits/BasicPropertyTrait.php
index e0b482f5..01c23f3e 100644
--- a/src/Entity/Parts/PartTraits/BasicPropertyTrait.php
+++ b/src/Entity/Parts/PartTraits/BasicPropertyTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts\PartTraits;
 
-
 use App\Entity\Parts\Category;
 use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Part;
@@ -60,7 +58,7 @@ trait BasicPropertyTrait
 
     /**
      * @var Category The category this part belongs too (e.g. Resistors). Use tags, for more complex grouping.
-     * Every part must have a category.
+     *               Every part must have a category.
      * @ORM\ManyToOne(targetEntity="Category", inversedBy="parts")
      * @ORM\JoinColumn(name="id_category", referencedColumnName="id", nullable=false)
      * @ColumnSecurity(prefix="category", type="App\Entity\Parts\Category")
@@ -80,6 +78,7 @@ trait BasicPropertyTrait
     /**
      * Get the description string like it is saved in the database.
      * This can contain BBCode, it is not parsed yet.
+     *
      * @return string the description
      */
     public function getDescription(): string
@@ -89,6 +88,7 @@ trait BasicPropertyTrait
 
     /**
      * Get the comment associated with this part.
+     *
      * @return string The raw/unparsed comment
      */
     public function getComment(): string
@@ -99,6 +99,7 @@ trait BasicPropertyTrait
     /**
      * Get if this part is visible.
      * This property is not used yet.
+     *
      * @return bool true if this part is visible
      *              false if this part isn't visible
      */
@@ -109,6 +110,7 @@ trait BasicPropertyTrait
 
     /**
      * Check if this part is a favorite.
+     *
      * @return bool * true if this part is a favorite
      *              * false if this part is not a favorite.
      */
@@ -117,10 +119,10 @@ trait BasicPropertyTrait
         return $this->favorite;
     }
 
-
     /**
      * Get the category of this part (e.g. Resistors).
      * There is always a category, for each part!
+     *
      * @return Category the category of this part
      */
     public function getCategory(): ?Category
@@ -129,7 +131,8 @@ trait BasicPropertyTrait
     }
 
     /**
-     * Gets the Footprint of this part (e.g. DIP8)
+     * Gets the Footprint of this part (e.g. DIP8).
+     *
      * @return Footprint|null The footprint of this part. Null if this part should no have a footprint.
      */
     public function getFootprint(): ?Footprint
@@ -139,36 +142,44 @@ trait BasicPropertyTrait
 
     /**
      * Sets the description of this part.
+     *
      * @param string $new_description the new description
+     *
      * @return self
      */
     public function setDescription(?string $new_description): self
     {
         $this->description = $new_description;
+
         return $this;
     }
 
     /**
      * Sets the comment property of this part.
+     *
      * @param string $new_comment the new comment
+     *
      * @return self
      */
     public function setComment(string $new_comment): self
     {
         $this->comment = $new_comment;
+
         return $this;
     }
 
-
     /**
      * Set the category of this Part.
-     * The category property is required for every part, so you can not pass null like the other properties (footprints)
+     * The category property is required for every part, so you can not pass null like the other properties (footprints).
+     *
      * @param Category $category The new category of this part
+     *
      * @return self
      */
     public function setCategory(Category $category): self
     {
         $this->category = $category;
+
         return $this;
     }
 
@@ -183,6 +194,7 @@ trait BasicPropertyTrait
     public function setFootprint(?Footprint $new_footprint): self
     {
         $this->footprint = $new_footprint;
+
         return $this;
     }
 
@@ -197,7 +209,7 @@ trait BasicPropertyTrait
     public function setFavorite(bool $new_favorite_status): self
     {
         $this->favorite = $new_favorite_status;
+
         return $this;
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/PartTraits/InstockTrait.php b/src/Entity/Parts/PartTraits/InstockTrait.php
index 29c4de63..1b66c878 100644
--- a/src/Entity/Parts/PartTraits/InstockTrait.php
+++ b/src/Entity/Parts/PartTraits/InstockTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts\PartTraits;
 
-
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\PartLot;
 use App\Security\Annotations\ColumnSecurity;
@@ -30,7 +28,6 @@ use Doctrine\Common\Collections\Collection;
 
 /**
  * This trait collects all aspects of a part related to instock, part lots.
- * @package App\Entity\Parts\PartTraits
  */
 trait InstockTrait
 {
@@ -44,7 +41,7 @@ trait InstockTrait
 
     /**
      * @var float The minimum amount of the part that has to be instock, otherwise more is ordered.
-     * Given in the partUnit.
+     *            Given in the partUnit.
      * @ORM\Column(type="float")
      * @Assert\PositiveOrZero()
      * @ColumnSecurity(prefix="mininstock", type="integer")
@@ -61,9 +58,10 @@ trait InstockTrait
 
     /**
      * Get all part lots where this part is stored.
+     *
      * @return PartLot[]|Collection
      */
-    public function getPartLots() : Collection
+    public function getPartLots(): Collection
     {
         return $this->partLots;
     }
@@ -71,30 +69,35 @@ trait InstockTrait
     /**
      * Adds the given part lot, to the list of part lots.
      * The part lot is assigned to this part.
-     * @param PartLot $lot
+     *
      * @return self
      */
     public function addPartLot(PartLot $lot): self
     {
         $lot->setPart($this);
         $this->partLots->add($lot);
+
         return $this;
     }
 
     /**
      * Removes the given part lot from the list of part lots.
+     *
      * @param PartLot $lot The part lot that should be deleted.
+     *
      * @return self
      */
     public function removePartLot(PartLot $lot): self
     {
         $this->partLots->removeElement($lot);
+
         return $this;
     }
 
     /**
      * Gets the measurement unit in which the part's amount should be measured.
      * Returns null if no specific unit was that. That means the parts are measured simply in quantity numbers.
+     *
      * @return MeasurementUnit|null
      */
     public function getPartUnit(): ?MeasurementUnit
@@ -105,18 +108,19 @@ trait InstockTrait
     /**
      * Sets the measurement unit in which the part's amount should be measured.
      * Set to null, if the part should be measured in quantities.
-     * @param MeasurementUnit|null $partUnit
+     *
      * @return self
      */
     public function setPartUnit(?MeasurementUnit $partUnit): self
     {
         $this->partUnit = $partUnit;
+
         return $this;
     }
 
     /**
      *  Get the count of parts which must be in stock at least.
-     * If a integer-based part unit is selected, the value will be rounded to integers
+     * If a integer-based part unit is selected, the value will be rounded to integers.
      *
      * @return float count of parts which must be in stock at least
      */
@@ -132,6 +136,7 @@ trait InstockTrait
     /**
      * Checks if this part uses the float amount .
      * This setting is based on the part unit (see MeasurementUnit->isInteger()).
+     *
      * @return bool True if the float amount field should be used. False if the integer instock field should be used.
      */
     public function useFloatAmount(): bool
@@ -146,10 +151,11 @@ trait InstockTrait
 
     /**
      * Returns the summed amount of this part (over all part lots)
-     * Part Lots that have unknown value or are expired, are not used for this value
+     * Part Lots that have unknown value or are expired, are not used for this value.
+     *
      * @return float The amount of parts given in partUnit
      */
-    public function getAmountSum() : float
+    public function getAmountSum(): float
     {
         //TODO: Find a method to do this natively in SQL, the current method could be a bit slow
         $sum = 0;
@@ -172,12 +178,15 @@ trait InstockTrait
     /**
      * Set the minimum amount of parts that have to be instock.
      * See getPartUnit() for the associated unit.
+     *
      * @param float $new_minamount the new count of parts which should be in stock at least
+     *
      * @return self
      */
     public function setMinAmount(float $new_minamount): self
     {
         $this->minamount = $new_minamount;
+
         return $this;
     }
 }
diff --git a/src/Entity/Parts/PartTraits/ManufacturerTrait.php b/src/Entity/Parts/PartTraits/ManufacturerTrait.php
index 55d3fa65..afdb12f3 100644
--- a/src/Entity/Parts/PartTraits/ManufacturerTrait.php
+++ b/src/Entity/Parts/PartTraits/ManufacturerTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts\PartTraits;
 
-
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Part;
 use App\Security\Annotations\ColumnSecurity;
@@ -30,7 +28,6 @@ use App\Validator\Constraints\Selectable;
 
 /**
  * In this trait all manufacturer related properties of a part are collected (like MPN, manufacturer URL).
- * @package App\Entity\Parts\PartTraits
  */
 trait ManufacturerTrait
 {
@@ -70,6 +67,7 @@ trait ManufacturerTrait
      * Get the link to the website of the article on the manufacturers website
      * When no this part has no explicit url set, then it is tried to generate one from the Manufacturer of this part
      * automatically.
+     *
      * @return string the link to the article
      */
     public function getManufacturerProductUrl(): string
@@ -87,6 +85,7 @@ trait ManufacturerTrait
 
     /**
      * Similar to getManufacturerProductUrl, but here only the database value is returned.
+     *
      * @return string The manufacturer url saved in DB for this part.
      */
     public function getCustomProductURL(): string
@@ -103,7 +102,8 @@ trait ManufacturerTrait
      * * "active": Part is in production and will be for the forseeable future
      * * "nrfnd": Not recommended for new designs.
      * * "eol": Part will become discontinued soon
-     * * "discontinued": Part is obsolete/discontinued by the manufacturer
+     * * "discontinued": Part is obsolete/discontinued by the manufacturer.
+     *
      * @return string
      */
     public function getManufacturingStatus(): ?string
@@ -114,12 +114,13 @@ trait ManufacturerTrait
     /**
      * Sets the manufacturing status for this part
      * See getManufacturingStatus() for valid values.
-     * @param string $manufacturing_status
+     *
      * @return Part
      */
     public function setManufacturingStatus(string $manufacturing_status): self
     {
         $this->manufacturing_status = $manufacturing_status;
+
         return $this;
     }
 
@@ -133,9 +134,9 @@ trait ManufacturerTrait
         return $this->manufacturer;
     }
 
-
     /**
      * Returns the assigned manufacturer product number (MPN) for this part.
+     *
      * @return string
      */
     public function getManufacturerProductNumber(): string
@@ -145,19 +146,22 @@ trait ManufacturerTrait
 
     /**
      * Sets the manufacturer product number (MPN) for this part.
-     * @param string $manufacturer_product_number
+     *
      * @return Part
      */
     public function setManufacturerProductNumber(string $manufacturer_product_number): self
     {
         $this->manufacturer_product_number = $manufacturer_product_number;
+
         return $this;
     }
 
     /**
      * Sets the URL to the manufacturer site about this Part.
      * Set to "" if this part should use the automatically URL based on its manufacturer.
+     *
      * @param string $new_url The new url
+     *
      * @return self
      */
     public function setManufacturerProductURL(string $new_url): self
@@ -181,5 +185,4 @@ trait ManufacturerTrait
 
         return $this;
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/PartTraits/OrderTrait.php b/src/Entity/Parts/PartTraits/OrderTrait.php
index db74fc1d..2724c954 100644
--- a/src/Entity/Parts/PartTraits/OrderTrait.php
+++ b/src/Entity/Parts/PartTraits/OrderTrait.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\Parts\PartTraits;
 
-
 use App\Entity\Parts\Part;
 use App\Entity\PriceInformations\Orderdetail;
 use App\Security\Annotations\ColumnSecurity;
@@ -30,7 +28,6 @@ use Doctrine\Common\Collections\Collection;
 
 /**
  * This trait collects all aspects of a part related to orders and priceinformations.
- * @package App\Entity\Parts\PartTraits
  */
 trait OrderTrait
 {
@@ -67,6 +64,7 @@ trait OrderTrait
 
     /**
      * Get the selected order orderdetails of this part.
+     *
      * @return Orderdetail the selected order orderdetails
      */
     public function getOrderOrderdetails(): ?Orderdetail
@@ -76,6 +74,7 @@ trait OrderTrait
 
     /**
      * Get the order quantity of this part.
+     *
      * @return int the order quantity
      */
     public function getOrderQuantity(): int
@@ -99,11 +98,10 @@ trait OrderTrait
      * @param bool $hide_obsolete If true, obsolete orderdetails will NOT be returned
      *
      * @return Collection|Orderdetail[] * all orderdetails as a one-dimensional array of Orderdetails objects
-     *                        (empty array if there are no ones)
-     *                        * the array is sorted by the suppliers names / minimum order quantity
-     *
+     *                                  (empty array if there are no ones)
+     *                                  * the array is sorted by the suppliers names / minimum order quantity
      */
-    public function getOrderdetails(bool $hide_obsolete = false) : Collection
+    public function getOrderdetails(bool $hide_obsolete = false): Collection
     {
         //If needed hide the obsolete entries
         if ($hide_obsolete) {
@@ -123,38 +121,42 @@ trait OrderTrait
     /**
      * Adds the given orderdetail to list of orderdetails.
      * The orderdetail is assigned to this part.
+     *
      * @param Orderdetail $orderdetail The orderdetail that should be added.
+     *
      * @return self
      */
-    public function addOrderdetail(Orderdetail $orderdetail) : self
+    public function addOrderdetail(Orderdetail $orderdetail): self
     {
         $orderdetail->setPart($this);
         $this->orderdetails->add($orderdetail);
+
         return $this;
     }
 
     /**
      * Removes the given orderdetail from the list of orderdetails.
-     * @param Orderdetail $orderdetail
+     *
      * @return OrderTrait
      */
-    public function removeOrderdetail(Orderdetail $orderdetail) : self
+    public function removeOrderdetail(Orderdetail $orderdetail): self
     {
         $this->orderdetails->removeElement($orderdetail);
+
         return $this;
     }
 
     /**
      *  Set the "manual_order" attribute.
      *
-     * @param bool     $new_manual_order          the new "manual_order" attribute
-     * @param int      $new_order_quantity        the new order quantity
+     * @param bool             $new_manual_order      the new "manual_order" attribute
+     * @param int              $new_order_quantity    the new order quantity
      * @param Orderdetail|null $new_order_orderdetail * the ID of the new order orderdetails
-     *                                            * or Zero for "no order orderdetails"
-     *                                            * or NULL for automatic order orderdetails
-     *                                            (if the part has exactly one orderdetails,
-     *                                            set this orderdetails as order orderdetails.
-     *                                            Otherwise, set "no order orderdetails")
+     *                                                * or Zero for "no order orderdetails"
+     *                                                * or NULL for automatic order orderdetails
+     *                                                (if the part has exactly one orderdetails,
+     *                                                set this orderdetails as order orderdetails.
+     *                                                Otherwise, set "no order orderdetails")
      *
      * @return self
      */
@@ -183,7 +185,7 @@ trait OrderTrait
     {
         $all_orderdetails = $this->getOrderdetails();
 
-        if (0 === count($all_orderdetails)) {
+        if (0 === \count($all_orderdetails)) {
             return false;
         }
 
@@ -195,5 +197,4 @@ trait OrderTrait
 
         return true;
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Entity/Parts/Storelocation.php b/src/Entity/Parts/Storelocation.php
index 23de5c6f..8308dcf5 100644
--- a/src/Entity/Parts/Storelocation.php
+++ b/src/Entity/Parts/Storelocation.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -52,7 +51,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Parts;
 
-use App\Entity\Attachments\ManufacturerAttachment;
 use App\Entity\Attachments\StorelocationAttachment;
 use App\Entity\Base\PartsContainingDBElement;
 use Doctrine\Common\Collections\Collection;
@@ -66,7 +64,6 @@ use Doctrine\ORM\Mapping as ORM;
  */
 class Storelocation extends PartsContainingDBElement
 {
-
     /**
      * @var Collection|StorelocationAttachment[]
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\StorelocationAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
@@ -148,12 +145,12 @@ class Storelocation extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $only_single_part
      * @return Storelocation
      */
-    public function setOnlySinglePart(bool $only_single_part): Storelocation
+    public function setOnlySinglePart(bool $only_single_part): self
     {
         $this->only_single_part = $only_single_part;
+
         return $this;
     }
 
@@ -168,12 +165,12 @@ class Storelocation extends PartsContainingDBElement
     }
 
     /**
-     * @param bool $limit_to_existing_parts
      * @return Storelocation
      */
-    public function setLimitToExistingParts(bool $limit_to_existing_parts): Storelocation
+    public function setLimitToExistingParts(bool $limit_to_existing_parts): self
     {
         $this->limit_to_existing_parts = $limit_to_existing_parts;
+
         return $this;
     }
 
@@ -186,17 +183,15 @@ class Storelocation extends PartsContainingDBElement
     }
 
     /**
-     * @param MeasurementUnit|null $storage_type
      * @return Storelocation
      */
-    public function setStorageType(?MeasurementUnit $storage_type): Storelocation
+    public function setStorageType(?MeasurementUnit $storage_type): self
     {
         $this->storage_type = $storage_type;
+
         return $this;
     }
 
-
-
     /********************************************************************************
      *
      *   Setters
@@ -211,9 +206,10 @@ class Storelocation extends PartsContainingDBElement
      *
      * @param bool $new_is_full * true means that the storelocation is full
      *                          * false means that the storelocation isn't full
+     *
      * @return Storelocation
      */
-    public function setIsFull(bool $new_is_full): Storelocation
+    public function setIsFull(bool $new_is_full): self
     {
         $this->is_full = $new_is_full;
 
diff --git a/src/Entity/Parts/Supplier.php b/src/Entity/Parts/Supplier.php
index 2d5ec30c..1848e4b3 100644
--- a/src/Entity/Parts/Supplier.php
+++ b/src/Entity/Parts/Supplier.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -52,7 +51,6 @@ declare(strict_types=1);
 
 namespace App\Entity\Parts;
 
-use App\Entity\Attachments\ManufacturerAttachment;
 use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Base\Company;
 use App\Entity\PriceInformations\Currency;
@@ -93,7 +91,7 @@ class Supplier extends Company
 
     /**
      * @var Currency|null The currency that should be used by default for order informations with this supplier.
-     * Set to null, to use global base currency.
+     *                    Set to null, to use global base currency.
      * @ORM\ManyToOne(targetEntity="App\Entity\PriceInformations\Currency")
      * @ORM\JoinColumn(name="default_currency_id", referencedColumnName="id", nullable=true)
      * @Selectable()
@@ -101,7 +99,7 @@ class Supplier extends Company
     protected $default_currency;
 
     /**
-     * @var float|null The shipping costs that have to be paid, when ordering via this supplier.
+     * @var float|null the shipping costs that have to be paid, when ordering via this supplier
      * @ORM\Column(name="shipping_costs", nullable=true, type="decimal", precision=11, scale=5)
      * @Assert\PositiveOrZero()
      */
@@ -118,45 +116,48 @@ class Supplier extends Company
 
     /**
      * Gets the currency that should be used by default, when creating a orderdetail with this supplier.
+     *
      * @return ?Currency
      */
-    public function getDefaultCurrency() : ?Currency
+    public function getDefaultCurrency(): ?Currency
     {
         return $this->default_currency;
     }
 
     /**
      * Sets the default currency.
+     *
      * @param ?Currency $default_currency
-     * @return Supplier
      */
-    public function setDefaultCurrency(?Currency $default_currency) : Supplier
+    public function setDefaultCurrency(?Currency $default_currency): self
     {
         $this->default_currency = $default_currency;
+
         return $this;
     }
 
     /**
      * Gets the shipping costs for an order with this supplier, given in base currency.
+     *
      * @return string|null A bcmath string with the shipping costs
      */
-    public function getShippingCosts() : ?string
+    public function getShippingCosts(): ?string
     {
         return $this->shipping_costs;
     }
 
     /**
      * Sets the shipping costs for an order with this supplier.
-     * @param string|null $shipping_costs A bcmath string with the shipping costs.
-     * @return Supplier
+     *
+     * @param string|null $shipping_costs a bcmath string with the shipping costs
      */
-    public function setShippingCosts(?string $shipping_costs) : Supplier
+    public function setShippingCosts(?string $shipping_costs): self
     {
         $this->shipping_costs = $shipping_costs;
+
         return $this;
     }
 
-
     /**
      * Returns the ID as an string, defined by the element class.
      * This should have a form like P000014, for a part with ID 14.
diff --git a/src/Entity/PriceInformations/Currency.php b/src/Entity/PriceInformations/Currency.php
index c26cc65c..f1546b77 100644
--- a/src/Entity/PriceInformations/Currency.php
+++ b/src/Entity/PriceInformations/Currency.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\PriceInformations;
 
-
 use App\Entity\Attachments\CurrencyAttachment;
-use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Base\StructuralDBElement;
 use Doctrine\Common\Collections\Collection;
 use Doctrine\ORM\Mapping as ORM;
@@ -33,14 +30,13 @@ use Symfony\Component\Validator\Constraints as Assert;
 
 /**
  * This entity describes a currency that can be used for price informations.
- * @package App\Entity
+ *
  * @UniqueEntity("iso_code")
  * @ORM\Entity()
  * @ORM\Table(name="currencies")
  */
 class Currency extends StructuralDBElement
 {
-
     public const PRICE_SCALE = 5;
 
     /**
@@ -58,7 +54,7 @@ class Currency extends StructuralDBElement
 
     /**
      * @var string|null The exchange rate between this currency and the base currency
-     * (how many base units the current currency is worth)
+     *                  (how many base units the current currency is worth)
      * @ORM\Column(type="decimal", precision=11, scale=5, nullable=true)
      * @Assert\Positive()
      */
@@ -76,7 +72,8 @@ class Currency extends StructuralDBElement
     protected $parent;
 
     /**
-     * Returns the 3 letter ISO code of this currency
+     * Returns the 3 letter ISO code of this currency.
+     *
      * @return string
      */
     public function getIsoCode(): ?string
@@ -86,23 +83,26 @@ class Currency extends StructuralDBElement
 
     /**
      * @param string $iso_code
+     *
      * @return Currency
      */
-    public function setIsoCode(?string $iso_code): Currency
+    public function setIsoCode(?string $iso_code): self
     {
         $this->iso_code = $iso_code;
+
         return $this;
     }
 
     /**
-     * Returns the inverse exchange rate (how many of the current currency the base unit is worth)
+     * Returns the inverse exchange rate (how many of the current currency the base unit is worth).
+     *
      * @return string|null
      */
     public function getInverseExchangeRate(): ?string
     {
         $tmp = $this->getExchangeRate();
 
-        if ($tmp === null || $tmp === "0") {
+        if (null === $tmp || '0' === $tmp) {
             return null;
         }
 
@@ -111,7 +111,8 @@ class Currency extends StructuralDBElement
 
     /**
      * Returns The exchange rate between this currency and the base currency
-     * (how many base units the current currency is worth)
+     * (how many base units the current currency is worth).
+     *
      * @return string|null
      */
     public function getExchangeRate(): ?string
@@ -120,25 +121,23 @@ class Currency extends StructuralDBElement
     }
 
     /**
-     * @param string|null $exchange_rate
      * @return Currency
      */
-    public function setExchangeRate(?string $exchange_rate): Currency
+    public function setExchangeRate(?string $exchange_rate): self
     {
         $this->exchange_rate = $exchange_rate;
+
         return $this;
     }
 
-
     /**
      * Returns the ID as an string, defined by the element class.
      * This should have a form like P000014, for a part with ID 14.
      *
      * @return string The ID as a string;
-     *
      */
     public function getIDString(): string
     {
-        return 'C' . $this->getID();
+        return 'C'.$this->getID();
     }
-}
\ No newline at end of file
+}
diff --git a/src/Entity/PriceInformations/Orderdetail.php b/src/Entity/PriceInformations/Orderdetail.php
index 526bc8a6..910807bf 100644
--- a/src/Entity/PriceInformations/Orderdetail.php
+++ b/src/Entity/PriceInformations/Orderdetail.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -193,7 +192,7 @@ class Orderdetail extends DBElement
             return $this->supplier_product_url;
         }
 
-        if ($this->getSupplier() === null) {
+        if (null === $this->getSupplier()) {
             return '';
         }
 
@@ -204,7 +203,7 @@ class Orderdetail extends DBElement
      * Get all pricedetails.
      *
      * @return Pricedetail[]|Collection all pricedetails as a one-dimensional array of Pricedetails objects,
-     *                        sorted by minimum discount quantity
+     *                                  sorted by minimum discount quantity
      */
     public function getPricedetails(): Collection
     {
@@ -212,36 +211,41 @@ class Orderdetail extends DBElement
     }
 
     /**
-     * Adds an pricedetail to this orderdetail
+     * Adds an pricedetail to this orderdetail.
+     *
      * @param Pricedetail $pricedetail The pricedetail to add
+     *
      * @return Orderdetail
      */
-    public function addPricedetail(Pricedetail $pricedetail) : Orderdetail
+    public function addPricedetail(Pricedetail $pricedetail): self
     {
         $pricedetail->setOrderdetail($this);
         $this->pricedetails->add($pricedetail);
+
         return $this;
     }
 
     /**
-     * Removes an pricedetail from this orderdetail
-     * @param Pricedetail $pricedetail
+     * Removes an pricedetail from this orderdetail.
+     *
      * @return Orderdetail
      */
-    public function removePricedetail(Pricedetail $pricedetail) : Orderdetail
+    public function removePricedetail(Pricedetail $pricedetail): self
     {
         $this->pricedetails->removeElement($pricedetail);
+
         return $this;
     }
 
     /**
      * Find the pricedetail that is correct for the desired amount (the one with the greatest discount value with a
-     * minimum order amount of the wished quantity)
-     * @param float     $quantity        this is the quantity to choose the correct pricedetails
+     * minimum order amount of the wished quantity).
+     *
+     * @param float $quantity this is the quantity to choose the correct pricedetails
      *
      * @return Pricedetail|null: the price as a bcmath string. Null if there are no orderdetails for the given quantity
      */
-    public function findPriceForQty(float $quantity = 1) : ?Pricedetail
+    public function findPriceForQty(float $quantity = 1): ?Pricedetail
     {
         if ($quantity <= 0) {
             return null;
@@ -269,30 +273,34 @@ class Orderdetail extends DBElement
      *********************************************************************************/
 
     /**
-     * Sets a new part with which this orderdetail is associated
-     * @param Part $part
+     * Sets a new part with which this orderdetail is associated.
+     *
      * @return Orderdetail
      */
-    public function setPart(Part $part) : Orderdetail
+    public function setPart(Part $part): self
     {
         $this->part = $part;
+
         return $this;
     }
 
     /**
      * Sets the new supplier associated with this orderdetail.
-     * @param Supplier $new_supplier
+     *
      * @return Orderdetail
      */
-    public function setSupplier(Supplier $new_supplier) : Orderdetail
+    public function setSupplier(Supplier $new_supplier): self
     {
         $this->supplier = $new_supplier;
+
         return $this;
     }
 
     /**
      * Set the supplier part-nr.
+     *
      * @param string $new_supplierpartnr the new supplier-part-nr
+     *
      * @return Orderdetail
      * @return Orderdetail
      */
@@ -305,7 +313,9 @@ class Orderdetail extends DBElement
 
     /**
      * Set if the part is obsolete at the supplier of that orderdetails.
+     *
      * @param bool $new_obsolete true means that this part is obsolete
+     *
      * @return Orderdetail
      * @return Orderdetail
      */
@@ -319,10 +329,12 @@ class Orderdetail extends DBElement
     /**
      * Sets the custom product supplier URL for this order detail.
      * Set this to "", if the function getSupplierProductURL should return the automatic generated URL.
+     *
      * @param $new_url string The new URL for the supplier URL.
+     *
      * @return Orderdetail
      */
-    public function setSupplierProductUrl(string $new_url) : Orderdetail
+    public function setSupplierProductUrl(string $new_url): self
     {
         //Only change the internal URL if it is not the auto generated one
         if ($new_url === $this->supplier->getAutoProductUrl($this->getSupplierPartNr())) {
diff --git a/src/Entity/PriceInformations/Pricedetail.php b/src/Entity/PriceInformations/Pricedetail.php
index 89fc74e3..5e998b96 100644
--- a/src/Entity/PriceInformations/Pricedetail.php
+++ b/src/Entity/PriceInformations/Pricedetail.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -69,7 +68,6 @@ use Symfony\Component\Validator\Constraints as Assert;
  */
 class Pricedetail extends DBElement
 {
-
     public const PRICE_PRECISION = 5;
 
     use TimestampTrait;
@@ -91,7 +89,7 @@ class Pricedetail extends DBElement
 
     /**
      * @var ?Currency The currency used for the current price information.
-     * If this is null, the global base unit is assumed.
+     *                If this is null, the global base unit is assumed.
      * @ORM\ManyToOne(targetEntity="Currency")
      * @ORM\JoinColumn(name="id_currency", referencedColumnName="id", nullable=true)
      * @Selectable()
@@ -142,9 +140,10 @@ class Pricedetail extends DBElement
     /**
      * Returns the price associated with this pricedetail.
      * It is given in current currency and for the price related quantity.
+     *
      * @return string The price as string, like returned raw from DB.
      */
-    public function getPrice() : string
+    public function getPrice(): string
     {
         return $this->price;
     }
@@ -152,18 +151,19 @@ class Pricedetail extends DBElement
     /**
      * Get the price for a single unit in the currency associated with this price detail.
      *
-     * @param float|string $multiplier      The returned price (float or string) will be multiplied
-     *                              with this multiplier.
+     * @param float|string $multiplier The returned price (float or string) will be multiplied
+     *                                 with this multiplier.
      *
      *     You will get the price for $multiplier parts. If you want the price which is stored
      *          in the database, you have to pass the "price_related_quantity" count as $multiplier.
      *
-     * @return string  the price as a bcmath string
+     * @return string the price as a bcmath string
      */
-    public function getPricePerUnit($multiplier = 1.0) : string
+    public function getPricePerUnit($multiplier = 1.0): string
     {
         $multiplier = (string) $multiplier;
         $tmp = bcmul($this->price, $multiplier, static::PRICE_PRECISION);
+
         return bcdiv($tmp, (string) $this->price_related_quantity, static::PRICE_PRECISION);
         //return ($this->price * $multiplier) / $this->price_related_quantity;
     }
@@ -180,10 +180,12 @@ class Pricedetail extends DBElement
      */
     public function getPriceRelatedQuantity(): float
     {
-        if ($this->orderdetail  && $this->orderdetail->getPart() && !$this->orderdetail->getPart()->useFloatAmount()) {
+        if ($this->orderdetail && $this->orderdetail->getPart() && !$this->orderdetail->getPart()->useFloatAmount()) {
             $tmp = round($this->price_related_quantity);
+
             return $tmp < 1 ? 1 : $tmp;
         }
+
         return $this->price_related_quantity;
     }
 
@@ -203,6 +205,7 @@ class Pricedetail extends DBElement
     {
         if ($this->orderdetail && $this->orderdetail->getPart() && !$this->orderdetail->getPart()->useFloatAmount()) {
             $tmp = round($this->min_discount_quantity);
+
             return $tmp < 1 ? 1 : $tmp;
         }
 
@@ -212,6 +215,7 @@ class Pricedetail extends DBElement
     /**
      * Returns the currency associated with this price information.
      * Returns null, if no specific currency is selected and the global base currency should be assumed.
+     *
      * @return Currency|null
      */
     public function getCurrency(): ?Currency
@@ -227,24 +231,26 @@ class Pricedetail extends DBElement
 
     /**
      * Sets the orderdetail to which this pricedetail belongs to.
-     * @param Orderdetail $orderdetail
+     *
      * @return $this
      */
-    public function setOrderdetail(Orderdetail $orderdetail) : self
+    public function setOrderdetail(Orderdetail $orderdetail): self
     {
         $this->orderdetail = $orderdetail;
+
         return $this;
     }
 
     /**
      * Sets the currency associated with the price informations.
      * Set to null, to use the global base currency.
-     * @param Currency|null $currency
+     *
      * @return Pricedetail
      */
-    public function setCurrency(?Currency $currency): Pricedetail
+    public function setCurrency(?Currency $currency): self
     {
         $this->currency = $currency;
+
         return $this;
     }
 
@@ -259,7 +265,7 @@ class Pricedetail extends DBElement
      *
      * @return self
      */
-    public function setPrice(string $new_price): Pricedetail
+    public function setPrice(string $new_price): self
     {
         //Assert::natural($new_price, 'The new price must be positive! Got %s!');
 
@@ -322,6 +328,6 @@ class Pricedetail extends DBElement
      */
     public function getIDString(): string
     {
-        return 'PD' . sprintf('%06d', $this->getID());
+        return 'PD'.sprintf('%06d', $this->getID());
     }
 }
diff --git a/src/Entity/UserSystem/Group.php b/src/Entity/UserSystem/Group.php
index f8ea955d..903fd359 100644
--- a/src/Entity/UserSystem/Group.php
+++ b/src/Entity/UserSystem/Group.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,13 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\UserSystem;
 
 use App\Entity\Attachments\GroupAttachment;
-use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Base\StructuralDBElement;
 use App\Security\Interfaces\HasPermissionsInterface;
 use App\Validator\Constraints\ValidPermission;
@@ -38,7 +36,6 @@ use Doctrine\ORM\Mapping as ORM;
  */
 class Group extends StructuralDBElement implements HasPermissionsInterface
 {
-
     /**
      * @var Collection|GroupAttachment[]
      * @ORM\OneToMany(targetEntity="App\Entity\Attachments\ManufacturerAttachment", mappedBy="element", cascade={"persist", "remove"}, orphanRemoval=true)
diff --git a/src/Entity/UserSystem/PermissionsEmbed.php b/src/Entity/UserSystem/PermissionsEmbed.php
index 938c6a68..d1a705fb 100644
--- a/src/Entity/UserSystem/PermissionsEmbed.php
+++ b/src/Entity/UserSystem/PermissionsEmbed.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Entity\UserSystem;
@@ -293,10 +292,12 @@ class PermissionsEmbed
 
     /**
      * Checks whether a permission with the given name is valid for this object.
-     * @param string $permission_name The name of the permission which should be checked for.
-     * @return bool True if the permission is existing on this object.
+     *
+     * @param string $permission_name the name of the permission which should be checked for
+     *
+     * @return bool true if the permission is existing on this object
      */
-    public function isValidPermissionName(string $permission_name) : bool
+    public function isValidPermissionName(string $permission_name): bool
     {
         return isset($this->$permission_name);
     }
@@ -304,8 +305,8 @@ class PermissionsEmbed
     /**
      * Returns the bit pair value of the given permission.
      *
-     * @param string $permission_name The name of the permission, for which the bit pair should be returned.
-     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be read.
+     * @param string $permission_name the name of the permission, for which the bit pair should be returned
+     * @param int    $bit_n           the (lower) bit number of the bit pair, which should be read
      *
      * @return int The value of the bit pair. Compare to the INHERIT, ALLOW, and DISALLOW consts in this class.
      */
@@ -323,8 +324,8 @@ class PermissionsEmbed
     /**
      * Returns the value of the operation for the given permission.
      *
-     * @param string $permission_name The name of the permission, for which the operation should be returned.
-     * @param int    $bit_n           The (lower) bit number of the bit pair for the operation.
+     * @param string $permission_name the name of the permission, for which the operation should be returned
+     * @param int    $bit_n           the (lower) bit number of the bit pair for the operation
      *
      * @return bool|null The value of the operation. True, if the given operation is allowed, false if disallowed
      *                   and null if it should inherit from parent.
@@ -345,19 +346,21 @@ class PermissionsEmbed
 
     /**
      * Sets the value of the given permission and operation.
-     * @param string $permission_name The name of the permission, for which the bit pair should be written.
-     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be written.
-     * @param bool|null $new_value    The new value for the operation:
-     *                                True, if the given operation is allowed, false if disallowed
-     *                                and null if it should inherit from parent.
-     * @return PermissionsEmbed       The instance itself.
+     *
+     * @param string    $permission_name the name of the permission, for which the bit pair should be written
+     * @param int       $bit_n           the (lower) bit number of the bit pair, which should be written
+     * @param bool|null $new_value       the new value for the operation:
+     *                                   True, if the given operation is allowed, false if disallowed
+     *                                   and null if it should inherit from parent
+     *
+     * @return PermissionsEmbed the instance itself
      */
-    public function setPermissionValue(string $permission_name, int $bit_n, ?bool $new_value) : self
+    public function setPermissionValue(string $permission_name, int $bit_n, ?bool $new_value): self
     {
         //Determine which bit value the given value is.
-        if ($new_value === true) {
+        if (true === $new_value) {
             $bit_value = static::ALLOW;
-        } elseif ($new_value === false) {
+        } elseif (false === $new_value) {
             $bit_value = static::DISALLOW;
         } else {
             $bit_value = static::INHERIT;
@@ -370,12 +373,14 @@ class PermissionsEmbed
 
     /**
      * Sets the bit value of the given permission and operation.
-     * @param string $permission_name The name of the permission, for which the bit pair should be written.
-     * @param int    $bit_n           The (lower) bit number of the bit pair, which should be written.
-     * @param int $new_value          The new (bit) value of the bit pair, which should be written.
-     * @return PermissionsEmbed       The instance itself.
+     *
+     * @param string $permission_name the name of the permission, for which the bit pair should be written
+     * @param int    $bit_n           the (lower) bit number of the bit pair, which should be written
+     * @param int    $new_value       the new (bit) value of the bit pair, which should be written
+     *
+     * @return PermissionsEmbed the instance itself
      */
-    public function setBitValue(string $permission_name, int $bit_n, int $new_value) : self
+    public function setBitValue(string $permission_name, int $bit_n, int $new_value): self
     {
         if (!$this->isValidPermissionName($permission_name)) {
             throw new \InvalidArgumentException('No permission with the given name is existing!');
@@ -387,12 +392,14 @@ class PermissionsEmbed
     }
 
     /**
-     * Returns the given permission as raw int (all bit at once)
+     * Returns the given permission as raw int (all bit at once).
+     *
      * @param string $permission_name The name of the permission, which should be retrieved.
-     * If this is not existing an exception is thrown.
-     * @return int The raw permission value.
+     *                                If this is not existing an exception is thrown.
+     *
+     * @return int the raw permission value
      */
-    public function getRawPermissionValue(string $permission_name) : int
+    public function getRawPermissionValue(string $permission_name): int
     {
         if (!$this->isValidPermissionName($permission_name)) {
             throw new \InvalidArgumentException('No permission with the given name is existing!');
@@ -403,30 +410,33 @@ class PermissionsEmbed
 
     /**
      * Sets the given permission to the value.
-     * @param string $permission_name The name of the permission to that should be set.
-     * @param int $value The new value of the permsission
+     *
+     * @param string $permission_name the name of the permission to that should be set
+     * @param int    $value           The new value of the permsission
+     *
      * @return $this
      */
-    public function setRawPermissionValue(string $permission_name, int $value) : self
+    public function setRawPermissionValue(string $permission_name, int $value): self
     {
         if (!$this->isValidPermissionName($permission_name)) {
-            throw new \InvalidArgumentException(
-                sprintf('No permission with the given name %s is existing!', $permission_name)
-            );
+            throw new \InvalidArgumentException(sprintf('No permission with the given name %s is existing!', $permission_name));
         }
 
         $this->$permission_name = $value;
+
         return $this;
     }
 
     /**
      * Sets multiple permissions at once.
-     * @param array $values An array in the form ['perm_name' => $value], containing the new data
-     * @param array|null $values2 If this array is not null, the first array will treated of list of perm names,
-     * and this array as an array of new values.
+     *
+     * @param array      $values  An array in the form ['perm_name' => $value], containing the new data
+     * @param array|null $values2 if this array is not null, the first array will treated of list of perm names,
+     *                            and this array as an array of new values
+     *
      * @return $this
      */
-    public function setRawPermissionValues(array $values, array $values2 = null) : self
+    public function setRawPermissionValues(array $values, array $values2 = null): self
     {
         if (!empty($values2)) {
             $values = array_combine($values, $values2);
@@ -435,16 +445,17 @@ class PermissionsEmbed
         foreach ($values as $key => $value) {
             $this->setRawPermissionValue($key, $value);
         }
+
         return $this;
     }
 
     /**
      * Reads a bit pair from $data.
      *
-     * @param $data int The data from where the bits should be extracted from.
+     * @param $data int The data from where the bits should be extracted from
      * @param $n int The number of the lower bit (of the pair) that should be read. Starting from zero.
      *
-     * @return int The value of the bit pair.
+     * @return int the value of the bit pair
      */
     final protected static function readBitPair(int $data, int $n): int
     {
@@ -460,11 +471,11 @@ class PermissionsEmbed
     /**
      * Writes a bit pair in the given $data and returns it.
      *
-     * @param $data int The data which should be modified.
-     * @param $n int The number of the lower bit of the pair which should be written.
-     * @param $new int The new value of the pair.
+     * @param $data int The data which should be modified
+     * @param $n int The number of the lower bit of the pair which should be written
+     * @param $new int The new value of the pair
      *
-     * @return int The new data with the modified pair.
+     * @return int the new data with the modified pair
      */
     final protected static function writeBitPair(int $data, int $n, int $new): int
     {
diff --git a/src/Entity/UserSystem/User.php b/src/Entity/UserSystem/User.php
index 5db0f661..4ad602c2 100644
--- a/src/Entity/UserSystem/User.php
+++ b/src/Entity/UserSystem/User.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -53,7 +52,6 @@ declare(strict_types=1);
 namespace App\Entity\UserSystem;
 
 use App\Entity\Attachments\AttachmentContainingDBElement;
-use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Attachments\UserAttachment;
 use App\Entity\Base\NamedDBElement;
 use App\Entity\PriceInformations\Currency;
@@ -82,7 +80,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     public const AVAILABLE_THEMES = ['bootstrap', 'cerulean', 'cosmo', 'cyborg', 'darkly', 'flatly', 'journal',
         'litera', 'lumen', 'lux', 'materia', 'minty', 'pulse', 'sandstone', 'simplex', 'sketchy', 'slate', 'solar',
-        'spacelab', 'united', 'yeti'];
+        'spacelab', 'united', 'yeti', ];
 
     /**
      * @var Collection|UserAttachment[]
@@ -182,9 +180,9 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * @var Currency|null The currency the user wants to see prices in.
-     * Dont use fetch=EAGER here, this will cause problems with setting the currency setting.
-     * TODO: This is most likely a bug in doctrine/symfony related to the UniqueEntity constraint (it makes a db call).
-     * TODO: Find a way to use fetch EAGER (this improves performance a bit)
+     *                    Dont use fetch=EAGER here, this will cause problems with setting the currency setting.
+     *                    TODO: This is most likely a bug in doctrine/symfony related to the UniqueEntity constraint (it makes a db call).
+     *                    TODO: Find a way to use fetch EAGER (this improves performance a bit)
      * @ORM\ManyToOne(targetEntity="App\Entity\PriceInformations\Currency")
      * @ORM\JoinColumn(name="currency_id", referencedColumnName="id")
      * @Selectable()
@@ -225,7 +223,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      */
     protected $disabled = false;
 
-
     public function __construct()
     {
         parent::__construct();
@@ -284,8 +281,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
     /**
      * Sets the password hash for this user.
      *
-     * @param string $password
-     *
      * @return User
      */
     public function setPassword(string $password): self
@@ -314,6 +309,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * Gets the currency the user prefers when showing him prices.
+     *
      * @return Currency|null The currency the user prefers, or null if the global currency should be used.
      */
     public function getCurrency(): ?Currency
@@ -323,17 +319,19 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * Sets the currency the users prefers to see prices in.
-     * @param Currency|null $currency
+     *
      * @return User
      */
-    public function setCurrency(?Currency $currency): User
+    public function setCurrency(?Currency $currency): self
     {
         $this->currency = $currency;
+
         return $this;
     }
 
     /**
      * Checks if this user is disabled (user cannot login any more).
+     *
      * @return bool True, if the user is disabled.
      */
     public function isDisabled(): bool
@@ -343,17 +341,18 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * Sets the status if a user is disabled.
+     *
      * @param bool $disabled True if the user should be disabled.
+     *
      * @return User
      */
-    public function setDisabled(bool $disabled): User
+    public function setDisabled(bool $disabled): self
     {
         $this->disabled = $disabled;
+
         return $this;
     }
 
-
-
     /**
      * Returns the ID as an string, defined by the element class.
      * This should have a form like P000014, for a part with ID 14.
@@ -371,7 +370,8 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
     }
 
     /**
-     * Check if the user needs a password change
+     * Check if the user needs a password change.
+     *
      * @return bool
      */
     public function isNeedPwChange(): bool
@@ -381,12 +381,13 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
 
     /**
      * Set the status, if the user needs a password change.
-     * @param bool $need_pw_change
+     *
      * @return User
      */
-    public function setNeedPwChange(bool $need_pw_change): User
+    public function setNeedPwChange(bool $need_pw_change): self
     {
         $this->need_pw_change = $need_pw_change;
+
         return $this;
     }
 
@@ -394,8 +395,6 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      * Getters
      ************************************************/
 
-
-
     /**
      * Returns the full name in the format FIRSTNAME LASTNAME [(USERNAME)].
      * Example: Max Muster (m.muster).
@@ -436,7 +435,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setFirstName(?string $first_name): User
+    public function setFirstName(?string $first_name): self
     {
         $this->first_name = $first_name;
 
@@ -456,7 +455,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setLastName(?string $last_name): User
+    public function setLastName(?string $last_name): self
     {
         $this->last_name = $last_name;
 
@@ -476,7 +475,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setDepartment(?string $department): User
+    public function setDepartment(?string $department): self
     {
         $this->department = $department;
 
@@ -496,7 +495,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setEmail(?string $email): User
+    public function setEmail(?string $email): self
     {
         $this->email = $email;
 
@@ -516,7 +515,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setLanguage(?string $language): User
+    public function setLanguage(?string $language): self
     {
         $this->language = $language;
 
@@ -536,7 +535,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setTimezone(?string $timezone): User
+    public function setTimezone(?string $timezone): self
     {
         $this->timezone = $timezone;
 
@@ -556,7 +555,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
      *
      * @return User
      */
-    public function setTheme(?string $theme): User
+    public function setTheme(?string $theme): self
     {
         $this->theme = $theme;
 
@@ -578,6 +577,7 @@ class User extends AttachmentContainingDBElement implements UserInterface, HasPe
     public function __toString()
     {
         $tmp = $this->isDisabled() ? ' [DISABLED]' : '';
-        return $this->getFullName(true) . $tmp;
+
+        return $this->getFullName(true).$tmp;
     }
 }
diff --git a/src/EntityListeners/AttachmentDeleteListener.php b/src/EntityListeners/AttachmentDeleteListener.php
index 3400cd9d..363653e0 100644
--- a/src/EntityListeners/AttachmentDeleteListener.php
+++ b/src/EntityListeners/AttachmentDeleteListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EntityListeners;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Services\Attachments\AttachmentManager;
-use App\Services\Attachments\AttachmentReverseSearch;
 use App\Services\Attachments\AttachmentPathResolver;
+use App\Services\Attachments\AttachmentReverseSearch;
 use Doctrine\ORM\Event\LifecycleEventArgs;
 use Doctrine\ORM\Event\PreUpdateEventArgs;
 use Doctrine\ORM\Mapping\PostRemove;
@@ -35,7 +33,6 @@ use Doctrine\ORM\Mapping\PreUpdate;
 /**
  * This listener watches for changes on attachments and deletes the files associated with an attachment, that are not
  * used any more. This can happens after an attachment is delteted or the path is changed.
- * @package App\EntityListeners
  */
 class AttachmentDeleteListener
 {
@@ -52,8 +49,6 @@ class AttachmentDeleteListener
 
     /**
      * Removes the file associated with the attachment, if the file associated with the attachment changes.
-     * @param Attachment $attachment
-     * @param PreUpdateEventArgs $event
      *
      * @PreUpdate
      */
@@ -73,9 +68,6 @@ class AttachmentDeleteListener
     /**
      * Removes the file associated with the attachment, after the attachment was deleted.
      *
-     * @param Attachment $attachment
-     * @param LifecycleEventArgs $event
-     *
      * @PostRemove
      */
     public function postRemoveHandler(Attachment $attachment, LifecycleEventArgs $event)
@@ -87,9 +79,8 @@ class AttachmentDeleteListener
 
         $file = $this->attachmentHelper->attachmentToFile($attachment);
         //Only delete if the attachment has a valid file.
-        if ($file !== null) {
+        if (null !== $file) {
             $this->attachmentReverseSearch->deleteIfNotUsed($file);
         }
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/EntityListeners/TreeCacheInvalidationListener.php b/src/EntityListeners/TreeCacheInvalidationListener.php
index 9244c9cc..eae8b023 100644
--- a/src/EntityListeners/TreeCacheInvalidationListener.php
+++ b/src/EntityListeners/TreeCacheInvalidationListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,20 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EntityListeners;
 
-
 use App\Entity\Base\DBElement;
 use App\Entity\Base\StructuralDBElement;
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use App\Services\UserCacheKeyGenerator;
 use Doctrine\ORM\Event\LifecycleEventArgs;
-use Doctrine\ORM\Event\PostFlushEventArgs;
-use Doctrine\ORM\Event\PreFlushEventArgs;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Contracts\Cache\TagAwareCacheInterface;
 
@@ -49,15 +45,12 @@ class TreeCacheInvalidationListener
      * @ORM\PostUpdate()
      * @ORM\PostPersist()
      * @ORM\PostRemove()
-     *
-     * @param DBElement $element
-     * @param LifecycleEventArgs $event
      */
     public function invalidate(DBElement $element, LifecycleEventArgs $event)
     {
         //If an element was changed, then invalidate all cached trees with this element class
         if ($element instanceof StructuralDBElement) {
-            $secure_class_name = str_replace("\\", '_', get_class($element));
+            $secure_class_name = str_replace('\\', '_', \get_class($element));
             $this->cache->invalidateTags([$secure_class_name]);
         }
 
@@ -69,10 +62,9 @@ class TreeCacheInvalidationListener
 
         /* If any group change, then invalidate all cached trees. Users Permissions can be inherited from groups,
             so a change in any group can cause big permisssion changes for users. So to be sure, invalidate all trees */
-        if($element instanceof Group) {
-            $tag = "groups";
+        if ($element instanceof Group) {
+            $tag = 'groups';
             $this->cache->invalidateTags([$tag]);
         }
-
     }
-}
\ No newline at end of file
+}
diff --git a/src/EventSubscriber/LoginSuccessListener.php b/src/EventSubscriber/LoginSuccessListener.php
index 9f81864b..db576047 100644
--- a/src/EventSubscriber/LoginSuccessListener.php
+++ b/src/EventSubscriber/LoginSuccessListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EventSubscriber;
 
-
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
 use Symfony\Component\Security\Http\Event\InteractiveLoginEvent;
@@ -31,11 +29,9 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * This event listener shows an login successful flash to the user after login.
- * @package App\EventSubscriber
  */
 class LoginSuccessListener implements EventSubscriberInterface
 {
-
     protected $translator;
     protected $flashBag;
 
@@ -72,4 +68,4 @@ class LoginSuccessListener implements EventSubscriberInterface
     {
         return [SecurityEvents::INTERACTIVE_LOGIN => 'onLogin'];
     }
-}
\ No newline at end of file
+}
diff --git a/src/EventSubscriber/LogoutOnDisabledUserListener.php b/src/EventSubscriber/LogoutOnDisabledUserListener.php
index 78ab77f1..da4be4ca 100644
--- a/src/EventSubscriber/LogoutOnDisabledUserListener.php
+++ b/src/EventSubscriber/LogoutOnDisabledUserListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,27 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EventSubscriber;
 
-
 use App\Entity\UserSystem\User;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpFoundation\RedirectResponse;
-use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
-use Symfony\Component\HttpKernel\Event\ControllerEvent;
 use Symfony\Component\HttpKernel\Event\RequestEvent;
 use Symfony\Component\HttpKernel\KernelEvents;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Security;
-use Symfony\Component\Security\Http\SecurityEvents;
-use Symfony\Contracts\Translation\TranslatorInterface;
 
 class LogoutOnDisabledUserListener implements EventSubscriberInterface
 {
-
     protected $security;
     protected $translator;
     protected $flashBag;
@@ -82,4 +75,4 @@ class LogoutOnDisabledUserListener implements EventSubscriberInterface
     {
         return [KernelEvents::REQUEST => 'onRequest'];
     }
-}
\ No newline at end of file
+}
diff --git a/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php b/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php
index 592f97a7..dcc07a05 100644
--- a/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php
+++ b/src/EventSubscriber/SymfonyDebugToolbarSubscriber.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EventSubscriber;
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
-use Symfony\Component\EventDispatcher\Tests\Debug\EventSubscriber;
 use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
 
 class SymfonyDebugToolbarSubscriber implements EventSubscriberInterface
 {
-
     protected $kernel;
 
     public function __construct(ContainerInterface $kernel)
@@ -60,7 +57,6 @@ class SymfonyDebugToolbarSubscriber implements EventSubscriberInterface
         return ['kernel.response' => 'onKernelResponse'];
     }
 
-
     public function onKernelResponse(FilterResponseEvent $event)
     {
         if (!$this->kernel->getParameter('kernel.debug')) {
@@ -70,5 +66,4 @@ class SymfonyDebugToolbarSubscriber implements EventSubscriberInterface
         $response = $event->getResponse();
         $response->headers->set('Symfony-Debug-Toolbar-Replace', 1);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/EventSubscriber/TimezoneListener.php b/src/EventSubscriber/TimezoneListener.php
index c6794048..eb44bdda 100644
--- a/src/EventSubscriber/TimezoneListener.php
+++ b/src/EventSubscriber/TimezoneListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\EventSubscriber;
 
-
 use App\Entity\UserSystem\User;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\HttpKernel\Event\ControllerEvent;
@@ -31,11 +29,9 @@ use Symfony\Component\Security\Core\Security;
 
 /**
  * The purpose of this event listener is to set the timezone to the one preferred by the user.
- * @package App\EventSubscriber
  */
 class TimezoneListener implements EventSubscriberInterface
 {
-
     protected $default_timezone;
     protected $security;
 
@@ -56,14 +52,13 @@ class TimezoneListener implements EventSubscriberInterface
         }
 
         //Fill with default value if needed
-        if ($timezone === null && !empty($this->default_timezone)) {
+        if (null === $timezone && !empty($this->default_timezone)) {
             $timezone = $this->default_timezone;
         }
 
         //If timezone was configured anywhere set it, otherwise just use the one from php.ini
-        if ($timezone !== null) {
+        if (null !== $timezone) {
             date_default_timezone_set($timezone);
-
         }
     }
 
@@ -89,7 +84,7 @@ class TimezoneListener implements EventSubscriberInterface
     {
         //Set the timezone shortly before executing the controller
         return [
-            KernelEvents::CONTROLLER => 'setTimeZone'
+            KernelEvents::CONTROLLER => 'setTimeZone',
         ];
     }
-}
\ No newline at end of file
+}
diff --git a/src/Exceptions/AttachmentDownloadException.php b/src/Exceptions/AttachmentDownloadException.php
index 89bdf457..4d5ab139 100644
--- a/src/Exceptions/AttachmentDownloadException.php
+++ b/src/Exceptions/AttachmentDownloadException.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Exceptions;
 
-
-use Throwable;
-
 class AttachmentDownloadException extends \RuntimeException
 {
-}
\ No newline at end of file
+}
diff --git a/src/Exceptions/EntityNotSupportedException.php b/src/Exceptions/EntityNotSupportedException.php
index c1ef92fe..cb7a9f0f 100644
--- a/src/Exceptions/EntityNotSupportedException.php
+++ b/src/Exceptions/EntityNotSupportedException.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Exceptions;
diff --git a/src/Form/AdminPages/AttachmentTypeAdminForm.php b/src/Form/AdminPages/AttachmentTypeAdminForm.php
index 601442cc..f0424370 100644
--- a/src/Form/AdminPages/AttachmentTypeAdminForm.php
+++ b/src/Form/AdminPages/AttachmentTypeAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use App\Services\Attachments\FileTypeFilterTools;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Form\CallbackTransformer;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Security\Core\Security;
@@ -46,14 +42,14 @@ class AttachmentTypeAdminForm extends BaseEntityAdminForm
 
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('filetype_filter', TextType::class, ['required' => false,
-            'label' =>  $this->trans->trans('attachment_type.edit.filetype_filter'),
-            'help' =>  $this->trans->trans('attachment_type.edit.filetype_filter.help'),
+            'label' => $this->trans->trans('attachment_type.edit.filetype_filter'),
+            'help' => $this->trans->trans('attachment_type.edit.filetype_filter.help'),
             'attr' => ['placeholder' => $this->trans->trans('attachment_type.edit.filetype_filter.placeholder')],
             'empty_data' => '',
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         //Normalize data before writing it to database
         $builder->get('filetype_filter')->addViewTransformer(new CallbackTransformer(
@@ -65,4 +61,4 @@ class AttachmentTypeAdminForm extends BaseEntityAdminForm
             }
         ));
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/BaseEntityAdminForm.php b/src/Form/AdminPages/BaseEntityAdminForm.php
index 78ce3896..c03956ba 100644
--- a/src/Form/AdminPages/BaseEntityAdminForm.php
+++ b/src/Form/AdminPages/BaseEntityAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Attachments\Attachment;
-use App\Entity\Attachments\FootprintAttachment;
-use App\Entity\Attachments\PartAttachment;
 use App\Entity\Base\NamedDBElement;
 use App\Entity\Base\StructuralDBElement;
 use App\Form\AttachmentFormType;
 use App\Form\Type\MasterPictureAttachmentType;
 use App\Form\Type\StructuralEntityType;
-use Doctrine\ORM\EntityRepository;
 use FOS\CKEditorBundle\Form\Type\CKEditorType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
-use Symfony\Component\DependencyInjection\ParameterBag\ContainerBagInterface;
 use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
@@ -45,12 +38,10 @@ use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Security\Core\Security;
-use Symfony\Component\Translation\Reader\TranslationReader;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class BaseEntityAdminForm extends AbstractType
 {
-
     protected $security;
     protected $params;
     protected $trans;
@@ -72,27 +63,27 @@ class BaseEntityAdminForm extends AbstractType
     {
         /** @var StructuralDBElement $entity */
         $entity = $options['data'];
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder
             ->add('name', TextType::class, ['empty_data' => '', 'label' => $this->trans->trans('name.label'),
                 'attr' => ['placeholder' => $this->trans->trans('part.name.placeholder')],
                 'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ])
 
-            ->add('parent', StructuralEntityType::class, ['class' => get_class($entity),
-                'required' => false, 'label' =>  $this->trans->trans('parent.label'),
+            ->add('parent', StructuralEntityType::class, ['class' => \get_class($entity),
+                'required' => false, 'label' => $this->trans->trans('parent.label'),
                 'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity), ])
 
             ->add('not_selectable', CheckboxType::class, ['required' => false,
-                'label' =>  $this->trans->trans('entity.edit.not_selectable'),
-                'help' =>  $this->trans->trans('entity.edit.not_selectable.help'),
+                'label' => $this->trans->trans('entity.edit.not_selectable'),
+                'help' => $this->trans->trans('entity.edit.not_selectable.help'),
                 'label_attr' => ['class' => 'checkbox-custom'],
-                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity) ])
+                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ])
 
             ->add('comment', CKEditorType::class, ['required' => false, 'empty_data' => '',
-                'label' =>  $this->trans->trans('comment.label'),
-                'attr' => ['rows' => 4], 'help' =>  $this->trans->trans('bbcode.hint'),
-                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+                'label' => $this->trans->trans('comment.label'),
+                'attr' => ['rows' => 4], 'help' => $this->trans->trans('bbcode.hint'),
+                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $this->additionalFormElements($builder, $options, $entity);
 
@@ -106,27 +97,27 @@ class BaseEntityAdminForm extends AbstractType
             'entry_options' => [
                 'data_class' => $options['attachment_class'],
             ],
-            'by_reference' => false
+            'by_reference' => false,
         ]);
 
         $builder->add('master_picture_attachment', MasterPictureAttachmentType::class, [
             'required' => false,
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'label' => $this->trans->trans('part.edit.master_attachment'),
-            'entity' => $entity
+            'entity' => $entity,
         ]);
 
         //Buttons
         $builder->add('save', SubmitType::class, [
-            'label' =>  $is_new ?  $this->trans->trans('entity.create') :  $this->trans->trans('entity.edit.save'),
+            'label' => $is_new ? $this->trans->trans('entity.create') : $this->trans->trans('entity.edit.save'),
             'attr' => ['class' => $is_new ? 'btn-success' : ''],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)])
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ])
             ->add('reset', ResetType::class, ['label' => 'entity.edit.reset',
-                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+                'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
     }
 
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
         //Empty for Base
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/CategoryAdminForm.php b/src/Form/AdminPages/CategoryAdminForm.php
index a5598bd3..0b302437 100644
--- a/src/Form/AdminPages/CategoryAdminForm.php
+++ b/src/Form/AdminPages/CategoryAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -33,50 +30,50 @@ class CategoryAdminForm extends BaseEntityAdminForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('disable_footprints', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('category.edit.disable_footprints'),
-            'help' =>  $this->trans->trans('category.edit.disable_footprints.help'),
+            'label' => $this->trans->trans('category.edit.disable_footprints'),
+            'help' => $this->trans->trans('category.edit.disable_footprints.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('disable_manufacturers', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('category.edit.disable_manufacturers'),
-            'help' =>  $this->trans->trans('category.edit.disable_manufacturers.help'),
-            'label_attr'=> ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'label' => $this->trans->trans('category.edit.disable_manufacturers'),
+            'help' => $this->trans->trans('category.edit.disable_manufacturers.help'),
+            'label_attr' => ['class' => 'checkbox-custom'],
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('disable_autodatasheets', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('category.edit.disable_autodatasheets'),
-            'help' =>  $this->trans->trans('category.edit.disable_autodatasheets.help'),
-            'label_attr'=> ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'label' => $this->trans->trans('category.edit.disable_autodatasheets'),
+            'help' => $this->trans->trans('category.edit.disable_autodatasheets.help'),
+            'label_attr' => ['class' => 'checkbox-custom'],
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('disable_properties', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('category.edit.disable_properties'),
-            'help' =>  $this->trans->trans('category.edit.disable_properties.help'),
-            'label_attr'=> ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'label' => $this->trans->trans('category.edit.disable_properties'),
+            'help' => $this->trans->trans('category.edit.disable_properties.help'),
+            'label_attr' => ['class' => 'checkbox-custom'],
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('partname_hint', TextType::class, ['required' => false, 'empty_data' => '',
-            'label' =>  $this->trans->trans('category.edit.partname_hint'),
-            'attr' => ['placeholder' =>  $this->trans->trans('category.edit.partname_hint.placeholder')],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'label' => $this->trans->trans('category.edit.partname_hint'),
+            'attr' => ['placeholder' => $this->trans->trans('category.edit.partname_hint.placeholder')],
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('partname_regex', TextType::class, ['required' => false, 'empty_data' => '',
             'label' => $this->trans->trans('category.edit.partname_regex'),
             'attr' => ['placeholder' => 'category.edit.partname_regex.placeholder'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('default_description', TextType::class, ['required' => false, 'empty_data' => '',
-            'label' =>  $this->trans->trans('category.edit.default_description'),
+            'label' => $this->trans->trans('category.edit.default_description'),
             'attr' => ['placeholder' => $this->trans->trans('category.edit.default_description.placeholder')],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('default_comment', TextType::class, ['required' => false, 'empty_data' => '',
             'label' => $this->trans->trans('category.edit.default_comment'),
             'attr' => ['placeholder' => $this->trans->trans('category.edit.default_comment.placeholder')],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/CompanyForm.php b/src/Form/AdminPages/CompanyForm.php
index ec6df50c..f9f3fe82 100644
--- a/src/Form/AdminPages/CompanyForm.php
+++ b/src/Form/AdminPages/CompanyForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
-use App\Form\AdminPages\BaseEntityAdminForm;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\TelType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\Extension\Core\Type\UrlType;
 use Symfony\Component\Form\FormBuilderInterface;
 
@@ -37,13 +32,13 @@ class CompanyForm extends BaseEntityAdminForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('address', TextareaType::class, [
             'label' => $this->trans->trans('company.edit.address'),
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => $this->trans->trans('company.edit.address.placeholder')], 'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
 
         $builder->add('phone_number', TelType::class, [
@@ -51,28 +46,28 @@ class CompanyForm extends BaseEntityAdminForm
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => $this->trans->trans('company.edit.phone_number.placeholder')],
             'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
 
         $builder->add('fax_number', TelType::class, [
             'label' => $this->trans->trans('company.edit.fax_number'),
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => 'company.fax_number.placeholder'], 'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
 
         $builder->add('email_address', EmailType::class, [
             'label' => $this->trans->trans('company.edit.email'),
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => $this->trans->trans('company.edit.email.placeholder')], 'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
 
         $builder->add('website', UrlType::class, [
             'label' => $this->trans->trans('company.edit.website'),
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => $this->trans->trans('company.edit.website.placeholder')], 'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
 
         $builder->add('auto_product_url', UrlType::class, [
@@ -81,7 +76,7 @@ class CompanyForm extends BaseEntityAdminForm
             'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity),
             'attr' => ['placeholder' => $this->trans->trans('company.edit.auto_product_url.placeholder')],
             'required' => false,
-            'empty_data' => ''
+            'empty_data' => '',
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/CurrencyAdminForm.php b/src/Form/AdminPages/CurrencyAdminForm.php
index 5e8db9b3..d1d022d7 100644
--- a/src/Form/AdminPages/CurrencyAdminForm.php
+++ b/src/Form/AdminPages/CurrencyAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\CurrencyType;
 use Symfony\Component\Form\Extension\Core\Type\MoneyType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -33,20 +30,20 @@ class CurrencyAdminForm extends BaseEntityAdminForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('iso_code', CurrencyType::class, [
             'required' => false,
             'label' => $this->trans->trans('currency.edit.iso_code'),
             'preferred_choices' => ['EUR', 'USD', 'GBP', 'JPY', 'CNY'],
             'attr' => ['class' => 'selectpicker', 'data-live-search' => true],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('exchange_rate', MoneyType::class, [
             'required' => false,
             'label' => $this->trans->trans('currency.edit.exchange_rate'),
             'currency' => $this->params->get('default_currency'),
             'scale' => 6,
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/FootprintAdminForm.php b/src/Form/AdminPages/FootprintAdminForm.php
index 720c0d14..efcedf93 100644
--- a/src/Form/AdminPages/FootprintAdminForm.php
+++ b/src/Form/AdminPages/FootprintAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
 use App\Form\Type\MasterPictureAttachmentType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -33,10 +31,10 @@ class FootprintAdminForm extends BaseEntityAdminForm
     {
         $builder->add('footprint_3d', MasterPictureAttachmentType::class, [
             'required' => false,
-            'disabled' => !$this->security->isGranted($entity->getID() === null ? 'create' : 'edit', $entity),
+            'disabled' => !$this->security->isGranted(null === $entity->getID() ? 'create' : 'edit', $entity),
             'label' => $this->trans->trans('footprint.edit.3d_model'),
             'filter' => '3d_model',
-            'entity' => $entity
+            'entity' => $entity,
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/GroupAdminForm.php b/src/Form/AdminPages/GroupAdminForm.php
index 89385f2e..095c2383 100644
--- a/src/Form/AdminPages/GroupAdminForm.php
+++ b/src/Form/AdminPages/GroupAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
 use App\Form\Permissions\PermissionsType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -34,7 +32,7 @@ class GroupAdminForm extends BaseEntityAdminForm
         $builder->add('permissions', PermissionsType::class, [
             'mapped' => false,
             'data' => $builder->getData(),
-            'disabled' => !$this->security->isGranted('edit_permissions', $entity)
+            'disabled' => !$this->security->isGranted('edit_permissions', $entity),
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/ImportType.php b/src/Form/AdminPages/ImportType.php
index 210e42db..a344f417 100644
--- a/src/Form/AdminPages/ImportType.php
+++ b/src/Form/AdminPages/ImportType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\StructuralDBElement;
 use App\Form\Type\StructuralEntityType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
-use Symfony\Bundle\MakerBundle\Str;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -39,7 +35,6 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 class ImportType extends AbstractType
 {
-
     protected $security;
     protected $trans;
 
@@ -51,48 +46,47 @@ class ImportType extends AbstractType
 
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-
         $data = $options['data'];
 
         //Disable import if user is not allowed to create elements.
         $entity = new $data['entity_class']();
-        $perm_name = "create";
-        $disabled = ! $this->security->isGranted($perm_name, $entity);
+        $perm_name = 'create';
+        $disabled = !$this->security->isGranted($perm_name, $entity);
 
         $builder
 
             ->add('format', ChoiceType::class, [
-                'choices' => ['JSON' => 'json', 'XML' => 'xml','CSV' => 'csv' ,'YAML' => 'yaml'],
+                'choices' => ['JSON' => 'json', 'XML' => 'xml', 'CSV' => 'csv', 'YAML' => 'yaml'],
                 'label' => $this->trans->trans('export.format'),
-                'disabled' => $disabled])
+                'disabled' => $disabled, ])
             ->add('csv_separator', TextType::class, ['data' => ';',
                 'label' => $this->trans->trans('import.csv_separator'),
-                'disabled' => $disabled]);
+                'disabled' => $disabled, ]);
 
         if ($entity instanceof StructuralDBElement) {
             $builder->add('parent', StructuralEntityType::class, [
                 'class' => $data['entity_class'],
                 'required' => false,
                 'label' => $this->trans->trans('parent.label'),
-                'disabled' => $disabled
+                'disabled' => $disabled,
             ]);
         }
 
         $builder->add('file', FileType::class, [
             'label' => $this->trans->trans('import.file'),
             'attr' => ['class' => 'file', 'data-show-preview' => 'false', 'data-show-upload' => 'false'],
-            'disabled' => $disabled
+            'disabled' => $disabled,
         ])
 
             ->add('preserve_children', CheckboxType::class, ['data' => true, 'required' => false,
                 'label' => $this->trans->trans('import.preserve_children'),
-                'label_attr' => ['class' => 'checkbox-custom'], 'disabled' => $disabled])
+                'label_attr' => ['class' => 'checkbox-custom'], 'disabled' => $disabled, ])
             ->add('abort_on_validation_error', CheckboxType::class, ['data' => true, 'required' => false,
                 'label' => $this->trans->trans('import.abort_on_validation'),
                 'help' => $this->trans->trans('import.abort_on_validation.help'),
-                'label_attr' => ['class' => 'checkbox-custom'], 'disabled' => $disabled])
+                'label_attr' => ['class' => 'checkbox-custom'], 'disabled' => $disabled, ])
 
             //Buttons
             ->add('import', SubmitType::class, ['label' => 'import.btn', 'disabled' => $disabled]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/MassCreationForm.php b/src/Form/AdminPages/MassCreationForm.php
index 46e8d1da..012f49cf 100644
--- a/src/Form/AdminPages/MassCreationForm.php
+++ b/src/Form/AdminPages/MassCreationForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\StructuralDBElement;
 use App\Form\Type\StructuralEntityType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
-use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
-use Symfony\Component\Form\Extension\Core\Type\FileType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\Extension\Core\Type\TextareaType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
@@ -50,13 +43,12 @@ class MassCreationForm extends AbstractType
 
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
-
         $data = $options['data'];
 
         //Disable import if user is not allowed to create elements.
         $entity = new $data['entity_class']();
-        $perm_name = "create";
-        $disabled = ! $this->security->isGranted($perm_name, $entity);
+        $perm_name = 'create';
+        $disabled = !$this->security->isGranted($perm_name, $entity);
 
         $builder
             ->add('lines', TextareaType::class, ['data' => '',
@@ -64,21 +56,21 @@ class MassCreationForm extends AbstractType
                 'disabled' => $disabled, 'required' => true,
                 'attr' => [
                     'placeholder' => $this->translator->trans('mass_creation.lines.placeholder'),
-                    'rows' => 10
-                ]
+                    'rows' => 10,
+                ],
             ]);
         if ($entity instanceof StructuralDBElement) {
             $builder->add('parent', StructuralEntityType::class, [
                 'class' => $data['entity_class'],
                 'required' => false,
                 'label' => $this->translator->trans('parent.label'),
-                'disabled' => $disabled]);
+                'disabled' => $disabled, ]);
         }
 
         //Buttons
         $builder->add('create', SubmitType::class, [
                 'label' => $this->translator->trans('entity.mass_creation.btn'),
-                'disabled' => $disabled
+                'disabled' => $disabled,
             ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/MeasurementUnitAdminForm.php b/src/Form/AdminPages/MeasurementUnitAdminForm.php
index b0c874c6..09413a1f 100644
--- a/src/Form/AdminPages/MeasurementUnitAdminForm.php
+++ b/src/Form/AdminPages/MeasurementUnitAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -33,23 +30,23 @@ class MeasurementUnitAdminForm extends BaseEntityAdminForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('is_integer', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('measurement_unit.edit.is_integer'),
+            'label' => $this->trans->trans('measurement_unit.edit.is_integer'),
             'help' => $this->trans->trans('measurement_unit.edit.is_integer.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('use_si_prefix', CheckboxType::class, ['required' => false,
             'label' => $this->trans->trans('measurement_unit.edit.use_si_prefix'),
             'help' => $this->trans->trans('measurement_unit.edit.use_si_prefix.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
 
         $builder->add('unit', TextType::class, ['required' => false,
             'label' => $this->trans->trans('measurement_unit.edit.unit_symbol'),
             'attr' => ['placeholder' => $this->trans->trans('measurement_unit.edit.unit_symbol.placeholder')],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'edit', $entity), ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/StorelocationAdminForm.php b/src/Form/AdminPages/StorelocationAdminForm.php
index e0ba7c1b..e284cadb 100644
--- a/src/Form/AdminPages/StorelocationAdminForm.php
+++ b/src/Form/AdminPages/StorelocationAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,53 +17,48 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
 use App\Entity\Parts\MeasurementUnit;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use App\Form\Type\StructuralEntityType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
 
 class StorelocationAdminForm extends BaseEntityAdminForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder->add('is_full', CheckboxType::class, [
             'required' => false,
             'label' => $this->trans->trans('storelocation.edit.is_full.label'),
             'help' => $this->trans->trans('storelocation.edit.is_full.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity), ]);
 
         $builder->add('limit_to_existing_parts', CheckboxType::class, [
             'required' => false,
             'label' => $this->trans->trans('storelocation.limit_to_existing.label'),
             'help' => $this->trans->trans('storelocation.limit_to_existing.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity), ]);
 
         $builder->add('only_single_part', CheckboxType::class, [
             'required' => false,
             'label' => $this->trans->trans('storelocation.only_single_part.label'),
             'help' => $this->trans->trans('storelocation.only_single_part.help'),
             'label_attr' => ['class' => 'checkbox-custom'],
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity)]);
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity), ]);
 
         $builder->add('storage_type', StructuralEntityType::class, [
             'required' => false,
             'label' => $this->trans->trans('storelocation.storage_type.label'),
             'help' => $this->trans->trans('storelocation.storage_type.help'),
             'class' => MeasurementUnit::class, 'disable_not_selectable' => true,
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity)]);
-
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity), ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AdminPages/SupplierForm.php b/src/Form/AdminPages/SupplierForm.php
index 1ad6c8ea..327e72dd 100644
--- a/src/Form/AdminPages/SupplierForm.php
+++ b/src/Form/AdminPages/SupplierForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,34 +17,23 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\AdminPages;
 
-
 use App\Entity\Base\NamedDBElement;
 use App\Entity\PriceInformations\Currency;
-use App\Form\AdminPages\BaseEntityAdminForm;
 use App\Form\Type\StructuralEntityType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
-use Symfony\Component\Form\Extension\Core\Type\CurrencyType;
-use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\MoneyType;
-use Symfony\Component\Form\Extension\Core\Type\TelType;
-use Symfony\Component\Form\Extension\Core\Type\TextareaType;
-use Symfony\Component\Form\Extension\Core\Type\TextType;
-use Symfony\Component\Form\Extension\Core\Type\UrlType;
 use Symfony\Component\Form\FormBuilderInterface;
 
 class SupplierForm extends CompanyForm
 {
     protected function additionalFormElements(FormBuilderInterface $builder, array $options, NamedDBElement $entity)
     {
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
-       parent::additionalFormElements($builder, $options, $entity);
+        parent::additionalFormElements($builder, $options, $entity);
 
         $builder->add('default_currency', StructuralEntityType::class, [
             'class' => Currency::class,
@@ -58,7 +47,7 @@ class SupplierForm extends CompanyForm
             'currency' => $this->params->get('default_currency'),
             'scale' => 3,
             'label' => $this->trans->trans('supplier.shipping_costs.label'),
-            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity)
+            'disabled' => !$this->security->isGranted($is_new ? 'create' : 'move', $entity),
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/AttachmentFormType.php b/src/Form/AttachmentFormType.php
index 870b48b7..477a8c4a 100644
--- a/src/Form/AttachmentFormType.php
+++ b/src/Form/AttachmentFormType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,15 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentType;
-use App\Entity\Base\StructuralDBElement;
 use App\Form\Type\StructuralEntityType;
 use App\Services\Attachments\AttachmentManager;
 use App\Validator\Constraints\AllowedFileExtension;
@@ -34,13 +31,11 @@ use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\FileType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
-use Symfony\Component\Form\Extension\Core\Type\UrlType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormEvent;
 use Symfony\Component\Form\FormEvents;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
-use Symfony\Component\Routing\RouterInterface;
 use Symfony\Component\Validator\Constraints\File;
 use Symfony\Component\Validator\Constraints\Url;
 use Symfony\Contracts\Translation\TranslatorInterface;
@@ -64,60 +59,59 @@ class AttachmentFormType extends AbstractType
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
         $builder->add('name', TextType::class, [
-            'label' => $this->trans->trans('attachment.edit.name')
+            'label' => $this->trans->trans('attachment.edit.name'),
         ])
             ->add('attachment_type', StructuralEntityType::class, [
-                'label' =>  $this->trans->trans('attachment.edit.attachment_type'),
+                'label' => $this->trans->trans('attachment.edit.attachment_type'),
                 'class' => AttachmentType::class,
                 'disable_not_selectable' => true,
-                'attr' => ['class' => 'attachment_type_selector']
+                'attr' => ['class' => 'attachment_type_selector'],
             ]);
 
         $builder->add('showInTable', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('attachment.edit.show_in_table'),
+            'label' => $this->trans->trans('attachment.edit.show_in_table'),
             'attr' => ['class' => 'form-control-sm'],
-            'label_attr' => ['class' => 'checkbox-custom']]);
+            'label_attr' => ['class' => 'checkbox-custom'], ]);
 
         $builder->add('secureFile', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('attachment.edit.secure_file'),
+            'label' => $this->trans->trans('attachment.edit.secure_file'),
             'mapped' => false,
             'attr' => ['class' => 'form-control-sm'],
             'help' => $this->trans->trans('attachment.edit.secure_file.help'),
-            'label_attr' => ['class' => 'checkbox-custom']]);
+            'label_attr' => ['class' => 'checkbox-custom'], ]);
 
         $builder->add('url', TextType::class, [
-            'label' =>  $this->trans->trans('attachment.edit.url'),
+            'label' => $this->trans->trans('attachment.edit.url'),
             'required' => false,
             'attr' => [
                 'data-autocomplete' => $this->urlGenerator->generate('typeahead_builtInRessources', ['query' => 'QUERY']),
                 //Disable browser autocomplete
-                'autocomplete' => 'off'
+                'autocomplete' => 'off',
             ],
             'help' => $this->trans->trans('attachment.edit.url.help'),
             'constraints' => [
-                $options['allow_builtins'] ? new UrlOrBuiltin() : new Url()
-            ]
+                $options['allow_builtins'] ? new UrlOrBuiltin() : new Url(),
+            ],
         ]);
 
         $builder->add('downloadURL', CheckboxType::class, ['required' => false,
-            'label' =>  $this->trans->trans('attachment.edit.download_url'),
+            'label' => $this->trans->trans('attachment.edit.download_url'),
             'mapped' => false,
             'disabled' => !$this->allow_attachments_download,
             'attr' => ['class' => 'form-control-sm'],
-            'label_attr' => ['class' => 'checkbox-custom']]);
-
+            'label_attr' => ['class' => 'checkbox-custom'], ]);
 
         $builder->add('file', FileType::class, [
-            'label' =>  $this->trans->trans('attachment.edit.file'),
+            'label' => $this->trans->trans('attachment.edit.file'),
             'mapped' => false,
             'required' => false,
             'attr' => ['class' => 'file', 'data-show-preview' => 'false', 'data-show-upload' => 'false'],
             'constraints' => [
                 new AllowedFileExtension(),
                 new File([
-                    'maxSize' => $options['max_file_size']
+                    'maxSize' => $options['max_file_size'],
                 ]),
-            ]
+            ],
         ]);
 
         //Check the secure file checkbox, if file is in securefile location
@@ -137,8 +131,7 @@ class AttachmentFormType extends AbstractType
         $resolver->setDefaults([
             'data_class' => Attachment::class,
             'max_file_size' => '16M',
-            'allow_builtins' => true
+            'allow_builtins' => true,
         ]);
-
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Part/OrderdetailType.php b/src/Form/Part/OrderdetailType.php
index 7f1835f1..2d1bbfaf 100644
--- a/src/Form/Part/OrderdetailType.php
+++ b/src/Form/Part/OrderdetailType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Part;
@@ -38,7 +37,6 @@ use Symfony\Component\Form\FormEvents;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
-use function foo\func;
 
 class OrderdetailType extends AbstractType
 {
@@ -58,36 +56,35 @@ class OrderdetailType extends AbstractType
 
         $builder->add('supplierpartnr', TextType::class, [
             'label' => $this->trans->trans('orderdetails.edit.supplierpartnr'),
-            'attr' => ['placeholder' =>  $this->trans->trans('orderdetails.edit.supplierpartnr.placeholder')],
+            'attr' => ['placeholder' => $this->trans->trans('orderdetails.edit.supplierpartnr.placeholder')],
             'required' => false,
-            'empty_data' => ""
+            'empty_data' => '',
         ]);
 
         $builder->add('supplier', StructuralEntityType::class, [
             'class' => Supplier::class, 'disable_not_selectable' => true,
-            'label' =>  $this->trans->trans('orderdetails.edit.supplier')
+            'label' => $this->trans->trans('orderdetails.edit.supplier'),
         ]);
 
         $builder->add('supplier_product_url', UrlType::class, [
             'required' => false,
-            'empty_data' => "",
-            'label' =>  $this->trans->trans('orderdetails.edit.url')
+            'empty_data' => '',
+            'label' => $this->trans->trans('orderdetails.edit.url'),
         ]);
 
         $builder->add('obsolete', CheckboxType::class, [
             'required' => false,
             'label_attr' => ['class' => 'checkbox-custom'],
-            'label' =>  $this->trans->trans('orderdetails.edit.obsolete')
+            'label' => $this->trans->trans('orderdetails.edit.obsolete'),
         ]);
 
-
         //Add pricedetails after we know the data, so we can set the default currency
         $builder->addEventListener(FormEvents::PRE_SET_DATA, function (FormEvent $event) use ($options) {
             /** @var Orderdetail $orderdetail */
             $orderdetail = $event->getData();
 
             $dummy_pricedetail = new Pricedetail();
-            if ($orderdetail !== null && $orderdetail->getSupplier() !== null) {
+            if (null !== $orderdetail && null !== $orderdetail->getSupplier()) {
                 $dummy_pricedetail->setCurrency($orderdetail->getSupplier()->getDefaultCurrency());
             }
 
@@ -101,10 +98,9 @@ class OrderdetailType extends AbstractType
                 'by_reference' => false,
                 'entry_options' => [
                     'disabled' => !$this->security->isGranted('@parts_prices.edit'),
-                    'measurement_unit' => $options['measurement_unit']
-                ]
+                    'measurement_unit' => $options['measurement_unit'],
+                ],
             ]);
-
         });
     }
 
@@ -118,4 +114,4 @@ class OrderdetailType extends AbstractType
         $resolver->setRequired('measurement_unit');
         $resolver->setAllowedTypes('measurement_unit', [MeasurementUnit::class, 'null']);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Part/PartBaseType.php b/src/Form/Part/PartBaseType.php
index e257e3d0..e549be04 100644
--- a/src/Form/Part/PartBaseType.php
+++ b/src/Form/Part/PartBaseType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Part;
@@ -29,32 +28,25 @@ use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
-use App\Entity\Parts\Storelocation;
 use App\Entity\PriceInformations\Orderdetail;
 use App\Form\AttachmentFormType;
 use App\Form\Type\MasterPictureAttachmentType;
 use App\Form\Type\SIUnitType;
 use App\Form\Type\StructuralEntityType;
-use Doctrine\DBAL\Types\FloatType;
-use Doctrine\ORM\EntityRepository;
 use FOS\CKEditorBundle\Form\Type\CKEditorType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\CollectionType;
-use Symfony\Component\Form\Extension\Core\Type\NumberType;
-use Symfony\Component\Form\Extension\Core\Type\UrlType;
-use Symfony\Component\Form\FormBuilderInterface;
-use Symfony\Component\Form\Extension\Core\Type\IntegerType;
 use Symfony\Component\Form\Extension\Core\Type\ResetType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\Extension\Core\Type\UrlType;
+use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
-use function foo\func;
 
 class PartBaseType extends AbstractType
 {
@@ -75,19 +67,19 @@ class PartBaseType extends AbstractType
         $part = $builder->getData();
 
         $status_choices = [
-            $this->trans->trans("m_status.unknown") => '',
+            $this->trans->trans('m_status.unknown') => '',
             $this->trans->trans('m_status.announced') => 'announced',
             $this->trans->trans('m_status.active') => 'active',
             $this->trans->trans('m_status.nrfnd') => 'nrfnd',
             $this->trans->trans('m_status.eol') => 'eol',
-            $this->trans->trans('m_status.discontinued') => 'discontinued'
+            $this->trans->trans('m_status.discontinued') => 'discontinued',
         ];
 
         //Common section
         $builder
             ->add('name', TextType::class, [
                 'empty_data' => '',
-                'label' =>  $this->trans->trans('part.edit.name'),
+                'label' => $this->trans->trans('part.edit.name'),
                 'attr' => ['placeholder' => $this->trans->trans('part.edit.name.placeholder')],
                 'disabled' => !$this->security->isGranted('name.edit', $part),
             ])
@@ -97,7 +89,7 @@ class PartBaseType extends AbstractType
                 'label' => $this->trans->trans('part.edit.description'),
                 'config_name' => 'description_config',
                 'attr' => ['placeholder' => $this->trans->trans('part.edit.description.placeholder'), 'rows' => 2],
-                'disabled' => !$this->security->isGranted('description.edit', $part)
+                'disabled' => !$this->security->isGranted('description.edit', $part),
             ])
             ->add('minAmount', SIUnitType::class, [
                 'attr' => ['min' => 0, 'placeholder' => $this->trans->trans('part.editmininstock.placeholder')],
@@ -121,11 +113,11 @@ class PartBaseType extends AbstractType
             ->add('tags', TextType::class, [
                 'required' => false,
                 'label' => $this->trans->trans('part.edit.tags'),
-                'empty_data' => "",
+                'empty_data' => '',
                 'attr' => [
                     'class' => 'tagsinput',
-                    'data-autocomplete' => $this->urlGenerator->generate('typeahead_tags', ['query' => 'QUERY']),],
-                'disabled' => !$this->security->isGranted('tags.edit', $part)
+                    'data-autocomplete' => $this->urlGenerator->generate('typeahead_tags', ['query' => 'QUERY']), ],
+                'disabled' => !$this->security->isGranted('tags.edit', $part),
             ]);
 
         //Manufacturer section
@@ -134,7 +126,7 @@ class PartBaseType extends AbstractType
             'required' => false,
             'label' => $this->trans->trans('part.edit.manufacturer.label'),
             'disable_not_selectable' => true,
-            'disabled' => !$this->security->isGranted('manufacturer.edit', $part)
+            'disabled' => !$this->security->isGranted('manufacturer.edit', $part),
             ])
             ->add('manufacturer_product_url', UrlType::class, [
                 'required' => false,
@@ -146,12 +138,12 @@ class PartBaseType extends AbstractType
                 'required' => false,
                 'empty_data' => '',
                 'label' => $this->trans->trans('part.edit.mpn'),
-                'disabled' => !$this->security->isGranted('mpn.edit', $part)])
+                'disabled' => !$this->security->isGranted('mpn.edit', $part), ])
             ->add('manufacturing_status', ChoiceType::class, [
                 'label' => $this->trans->trans('part.edit.manufacturing_status'),
                 'choices' => $status_choices,
                 'required' => false,
-                'disabled' => !$this->security->isGranted('status.edit', $part)
+                'disabled' => !$this->security->isGranted('status.edit', $part),
             ]);
 
         //Advanced section
@@ -159,35 +151,34 @@ class PartBaseType extends AbstractType
             'label_attr' => ['class' => 'checkbox-custom'],
             'required' => false,
             'label' => $this->trans->trans('part.edit.needs_review'),
-            'disabled' => !$this->security->isGranted('edit', $part)
+            'disabled' => !$this->security->isGranted('edit', $part),
         ])
             ->add('favorite', CheckboxType::class, [
                 'label_attr' => ['class' => 'checkbox-custom'],
                 'required' => false,
                 'label' => $this->trans->trans('part.edit.is_favorite'),
-                'disabled' => !$this->security->isGranted('change_favorite', $part)
+                'disabled' => !$this->security->isGranted('change_favorite', $part),
             ])
             ->add('mass', SIUnitType::class, [
                 'unit' => 'g',
                 'label' => $this->trans->trans('part.edit.mass'),
                 'required' => false,
-                'disabled' => !$this->security->isGranted('mass.edit', $part)
+                'disabled' => !$this->security->isGranted('mass.edit', $part),
             ])
             ->add('partUnit', StructuralEntityType::class, [
                 'class' => MeasurementUnit::class,
                 'required' => false,
                 'disable_not_selectable' => true,
                 'label' => $this->trans->trans('part.edit.partUnit'),
-                'disabled' => !$this->security->isGranted('unit.edit', $part)
+                'disabled' => !$this->security->isGranted('unit.edit', $part),
             ]);
 
-
         //Comment section
         $builder->add('comment', CKEditorType::class, [
             'required' => false,
             'label' => $this->trans->trans('part.edit.comment'),
             'attr' => ['rows' => 4],
-            'disabled' => !$this->security->isGranted('comment.edit', $part), 'empty_data' => ''
+            'disabled' => !$this->security->isGranted('comment.edit', $part), 'empty_data' => '',
         ]);
 
         //Part Lots section
@@ -200,7 +191,7 @@ class PartBaseType extends AbstractType
                 'measurement_unit' => $part->getPartUnit(),
                 'disabled' => !$this->security->isGranted('lots.edit', $part),
             ],
-            'by_reference' => false
+            'by_reference' => false,
         ]);
 
         //Attachment section
@@ -213,14 +204,14 @@ class PartBaseType extends AbstractType
                 'data_class' => PartAttachment::class,
                 'disabled' => !$this->security->isGranted('attachments.edit', $part),
             ],
-            'by_reference' => false
+            'by_reference' => false,
         ]);
 
         $builder->add('master_picture_attachment', MasterPictureAttachmentType::class, [
             'required' => false,
             'disabled' => !$this->security->isGranted('attachments.edit', $part),
             'label' => $this->trans->trans('part.edit.master_attachment'),
-            'entity' => $part
+            'entity' => $part,
         ]);
 
         //Orderdetails section
@@ -234,7 +225,7 @@ class PartBaseType extends AbstractType
             'entry_options' => [
                 'measurement_unit' => $part->getPartUnit(),
                 'disabled' => !$this->security->isGranted('orderdetails.edit', $part),
-            ]
+            ],
         ]);
 
         $builder
diff --git a/src/Form/Part/PartLotType.php b/src/Form/Part/PartLotType.php
index b80cb6d9..d2b2cdbc 100644
--- a/src/Form/Part/PartLotType.php
+++ b/src/Form/Part/PartLotType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,34 +17,23 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Part;
 
-
 use App\Entity\Parts\MeasurementUnit;
-use App\Entity\Parts\Part;
 use App\Entity\Parts\PartLot;
 use App\Entity\Parts\Storelocation;
 use App\Form\Type\SIUnitType;
 use App\Form\Type\StructuralEntityType;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\DataMapperInterface;
-use Symfony\Component\Form\Exception;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\DateTimeType;
-use Symfony\Component\Form\Extension\Core\Type\IntegerType;
-use Symfony\Component\Form\Extension\Core\Type\NumberType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
 use Symfony\Component\Form\FormBuilderInterface;
-use Symfony\Component\Form\FormEvent;
-use Symfony\Component\Form\FormEvents;
-use Symfony\Component\Form\FormInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Contracts\Translation\TranslatorInterface;
-use function GuzzleHttp\Promise\queue;
 
 class PartLotType extends AbstractType
 {
@@ -62,49 +51,47 @@ class PartLotType extends AbstractType
         $builder->add('description', TextType::class, [
             'label' => $this->trans->trans('part_lot.edit.description'),
             'required' => false,
-            'empty_data' => "",
-            'attr' => ['class' => 'form-control-sm']
+            'empty_data' => '',
+            'attr' => ['class' => 'form-control-sm'],
         ]);
 
         $builder->add('storage_location', StructuralEntityType::class, ['class' => Storelocation::class,
             'label' => $this->trans->trans('part_lot.edit.location'),
             'required' => false,
             'disable_not_selectable' => true,
-            'attr' => ['class' => 'selectpicker form-control-sm', 'data-live-search' => true]
+            'attr' => ['class' => 'selectpicker form-control-sm', 'data-live-search' => true],
         ]);
 
-
         $builder->add('amount', SIUnitType::class, [
             'measurement_unit' => $options['measurement_unit'],
             'label' => $this->trans->trans('part_lot.edit.amount'),
-            'attr' => ['class' => 'form-control-sm']
+            'attr' => ['class' => 'form-control-sm'],
         ]);
 
         $builder->add('instock_unknown', CheckboxType::class, ['required' => false,
             'label' => $this->trans->trans('part_lot.edit.instock_unknown'),
             'attr' => ['class' => 'form-control-sm'],
-            'label_attr' => ['class' => 'checkbox-custom']
+            'label_attr' => ['class' => 'checkbox-custom'],
         ]);
 
         $builder->add('needs_refill', CheckboxType::class, ['label_attr' => ['class' => 'checkbox-custom'],
             'label' => $this->trans->trans('part_lot.edit.needs_refill'),
             'attr' => ['class' => 'form-control-sm'],
-            'required' => false
+            'required' => false,
         ]);
 
         $builder->add('expirationDate', DateTimeType::class, [
             'label' => $this->trans->trans('part_lot.edit.expiration_date'),
             'attr' => [],
-            'required' => false]);
+            'required' => false, ]);
 
         $builder->add('comment', TextType::class, [
             'label' => $this->trans->trans('part_lot.edit.comment'),
             'attr' => ['class' => 'form-control-sm'],
-            'required' => false, 'empty_data' => ""
+            'required' => false, 'empty_data' => '',
         ]);
     }
 
-
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver->setDefaults([
@@ -114,4 +101,4 @@ class PartLotType extends AbstractType
         $resolver->setRequired('measurement_unit');
         $resolver->setAllowedTypes('measurement_unit', [MeasurementUnit::class, 'null']);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Part/PricedetailType.php b/src/Form/Part/PricedetailType.php
index cb47235e..d81a772d 100644
--- a/src/Form/Part/PricedetailType.php
+++ b/src/Form/Part/PricedetailType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,55 +17,48 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Part;
 
-
 use App\Entity\Parts\MeasurementUnit;
-use App\Entity\PriceInformations\Currency;
-use App\Entity\PriceInformations\Orderdetail;
 use App\Entity\PriceInformations\Pricedetail;
 use App\Form\Type\CurrencyEntityType;
 use App\Form\Type\SIUnitType;
-use App\Form\Type\StructuralEntityType;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\Extension\Core\Type\IntegerType;
 use Symfony\Component\Form\Extension\Core\Type\NumberType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
-use Symfony\Contracts\Translation\TranslatorInterface;
 
 class PricedetailType extends AbstractType
 {
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
         //No labels needed, we define translation in templates
-        $builder->add("min_discount_quantity", SIUnitType::class, [
+        $builder->add('min_discount_quantity', SIUnitType::class, [
             'measurement_unit' => $options['measurement_unit'],
-            'attr' => ['class' => 'form-control-sm']
+            'attr' => ['class' => 'form-control-sm'],
         ]);
-        $builder->add("price_related_quantity", SIUnitType::class, [
+        $builder->add('price_related_quantity', SIUnitType::class, [
             'measurement_unit' => $options['measurement_unit'],
-            'attr' => ['class' => 'form-control-sm']
+            'attr' => ['class' => 'form-control-sm'],
         ]);
-        $builder->add("price", NumberType::class, [
+        $builder->add('price', NumberType::class, [
             'scale' => 5,
             'html5' => true,
-            'attr' => ['min' => 0, 'step' => "any"]
+            'attr' => ['min' => 0, 'step' => 'any'],
         ]);
-        $builder->add("currency", CurrencyEntityType::class, ['required' => false]);
+        $builder->add('currency', CurrencyEntityType::class, ['required' => false]);
     }
 
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver->setDefaults([
             'data_class' => Pricedetail::class,
-            'error_bubbling' => false
+            'error_bubbling' => false,
         ]);
 
         $resolver->setRequired('measurement_unit');
         $resolver->setAllowedTypes('measurement_unit', [MeasurementUnit::class, 'null']);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Permissions/PermissionGroupType.php b/src/Form/Permissions/PermissionGroupType.php
index 71ae5a68..e0ce75ac 100644
--- a/src/Form/Permissions/PermissionGroupType.php
+++ b/src/Form/Permissions/PermissionGroupType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Permissions;
 
-
 use App\Services\PermissionResolver;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\FormBuilderInterface;
@@ -52,7 +50,7 @@ class PermissionGroupType extends AbstractType
                 }
             } else {
                 //Skip perrmissions without groups unless we have this as blanko group
-                if ($options['group_name'] !== "*") {
+                if ('*' !== $options['group_name']) {
                     continue;
                 }
             }
@@ -63,7 +61,7 @@ class PermissionGroupType extends AbstractType
                 'mapped' => false,
                 'data' => $builder->getData(),
                 'disabled' => $options['disabled'],
-                'inherit' => $options['inherit']
+                'inherit' => $options['inherit'],
             ]);
         }
     }
@@ -86,4 +84,4 @@ class PermissionGroupType extends AbstractType
             return $options['name'];
         });
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Permissions/PermissionType.php b/src/Form/Permissions/PermissionType.php
index 2e657754..2b06c806 100644
--- a/src/Form/Permissions/PermissionType.php
+++ b/src/Form/Permissions/PermissionType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Permissions;
 
-
 use App\Form\Type\TriStateCheckboxType;
 use App\Services\PermissionResolver;
 use Symfony\Component\Form\AbstractType;
-use Symfony\Component\Form\DataMapperInterface;
-use Symfony\Component\Form\Exception;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
@@ -67,7 +62,7 @@ class PermissionType extends AbstractType
         });
 
         $resolver->setDefaults([
-            'inherit' => false
+            'inherit' => false,
         ]);
     }
 
@@ -80,7 +75,7 @@ class PermissionType extends AbstractType
                 'required' => false,
                 'mapped' => false,
                 'label' => $operation['label'] ?? null,
-                'disabled' => $options['disabled']
+                'disabled' => $options['disabled'],
             ]);
         }
 
@@ -91,4 +86,4 @@ class PermissionType extends AbstractType
     {
         $view->vars['multi_checkbox'] = $options['multi_checkbox'];
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Permissions/PermissionsMapper.php b/src/Form/Permissions/PermissionsMapper.php
index 366eadb4..7d98bf07 100644
--- a/src/Form/Permissions/PermissionsMapper.php
+++ b/src/Form/Permissions/PermissionsMapper.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Permissions;
 
-
 use App\Services\PermissionResolver;
 use Symfony\Component\Form\DataMapperInterface;
 use Symfony\Component\Form\FormInterface;
@@ -48,9 +46,8 @@ class PermissionsMapper implements DataMapperInterface
      * The method is responsible for calling {@link FormInterface::setData()}
      * on the children of compound forms, defining their underlying model data.
      *
-     * @param mixed $viewData View data of the compound form being initialized
-     * @param FormInterface[]|\Traversable $forms A list of {@link FormInterface} instances
-     *
+     * @param mixed                        $viewData View data of the compound form being initialized
+     * @param FormInterface[]|\Traversable $forms    A list of {@link FormInterface} instances
      */
     public function mapDataToForms($viewData, $forms)
     {
@@ -95,10 +92,9 @@ class PermissionsMapper implements DataMapperInterface
      * The model data can be an array or an object, so this second argument is always passed
      * by reference.
      *
-     * @param FormInterface[]|\Traversable $forms A list of {@link FormInterface} instances
-     * @param mixed $viewData The compound form's view data that get mapped
+     * @param FormInterface[]|\Traversable $forms    A list of {@link FormInterface} instances
+     * @param mixed                        $viewData The compound form's view data that get mapped
      *                                               its children model data
-     *
      */
     public function mapFormsToData($forms, &$viewData)
     {
@@ -116,4 +112,4 @@ class PermissionsMapper implements DataMapperInterface
             );
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Permissions/PermissionsType.php b/src/Form/Permissions/PermissionsType.php
index 25f021d9..e8a2775b 100644
--- a/src/Form/Permissions/PermissionsType.php
+++ b/src/Form/Permissions/PermissionsType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Permissions;
 
-
 use App\Services\PermissionResolver;
 use App\Validator\Constraints\NoLockout;
 use Symfony\Component\Form\AbstractType;
@@ -43,7 +41,6 @@ class PermissionsType extends AbstractType
         $this->perm_structure = $resolver->getPermissionStructure();
     }
 
-
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver->setDefaults([
@@ -52,12 +49,11 @@ class PermissionsType extends AbstractType
                 if (!$options['disabled']) {
                     return [new NoLockout()];
                 }
+
                 return [];
             },
             'inherit' => false,
         ]);
-
-
     }
 
     public function buildView(FormView $view, FormInterface $form, array $options)
@@ -70,12 +66,12 @@ class PermissionsType extends AbstractType
         $groups = $this->perm_structure['groups'];
 
         foreach ($groups as $key => $group) {
-            $builder->add($key,PermissionGroupType::class, [
+            $builder->add($key, PermissionGroupType::class, [
                 'group_name' => $key,
                 'mapped' => false,
                 'data' => $builder->getData(),
                 'disabled' => $options['disabled'],
-                'inherit' => $options['inherit']
+                'inherit' => $options['inherit'],
             ]);
         }
 
@@ -85,7 +81,7 @@ class PermissionsType extends AbstractType
             'mapped' => false,
             'data' => $builder->getData(),
             'disabled' => $options['disabled'],
-            'inherit' => $options['inherit']
+            'inherit' => $options['inherit'],
         ]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Type/CurrencyEntityType.php b/src/Form/Type/CurrencyEntityType.php
index bd0cfe2e..0f3ff6f7 100644
--- a/src/Form/Type/CurrencyEntityType.php
+++ b/src/Form/Type/CurrencyEntityType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,17 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Type;
 
-
 use App\Entity\Base\StructuralDBElement;
 use App\Entity\PriceInformations\Currency;
 use App\Services\TreeBuilder;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Intl\Currencies;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;
@@ -75,25 +72,24 @@ class CurrencyEntityType extends StructuralEntityType
         /*** @var Currency $choice */
         $level = $choice->getLevel();
         //If our base entity is not the root level, we need to change the level, to get zero position
-        if ($this->options['subentities_of'] !== null) {
+        if (null !== $this->options['subentities_of']) {
             $level -= $parent->getLevel() - 1;
         }
 
-
         $tmp = str_repeat('&nbsp;&nbsp;&nbsp;', $choice->getLevel()); //Use 3 spaces for intendation
         if (empty($choice->getIsoCode())) {
             $tmp .= htmlspecialchars($choice->getName());
         } else {
             $tmp .= Currencies::getSymbol($choice->getIsoCode());
         }
+
         return $tmp;
     }
 
-    protected function generateChoiceAttr(StructuralDBElement $choice, $key, $value) : array
+    protected function generateChoiceAttr(StructuralDBElement $choice, $key, $value): array
     {
         /** @var Currency $choice */
-
-        $tmp = array();
+        $tmp = [];
 
         if (!empty($choice->getIsoCode())) {
             //Show the name of the currency
@@ -104,6 +100,7 @@ class CurrencyEntityType extends StructuralEntityType
         if ($this->options['disable_not_selectable'] && $choice->isNotSelectable()) {
             $tmp += ['disabled' => 'disabled'];
         }
+
         return $tmp;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Type/MasterPictureAttachmentType.php b/src/Form/Type/MasterPictureAttachmentType.php
index edb4a445..25ebb117 100644
--- a/src/Form/Type/MasterPictureAttachmentType.php
+++ b/src/Form/Type/MasterPictureAttachmentType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Type;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentContainingDBElement;
 use Doctrine\ORM\EntityRepository;
@@ -33,7 +31,6 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class MasterPictureAttachmentType extends AbstractType
 {
-
     public function configureOptions(OptionsResolver $resolver)
     {
         $resolver->setRequired('entity');
@@ -47,9 +44,9 @@ class MasterPictureAttachmentType extends AbstractType
                     /** @var Attachment $choice */
                     $tmp = ['data-subtext' => $choice->getFilename() ?? 'URL'];
 
-                    if ($options['filter'] === 'picture' && !$choice->isPicture()) {
+                    if ('picture' === $options['filter'] && !$choice->isPicture()) {
                         $tmp += ['disabled' => 'disabled'];
-                    } elseif ($options['filter'] === '3d_model' && !$choice->is3DModel()) {
+                    } elseif ('3d_model' === $options['filter'] && !$choice->is3DModel()) {
                         $tmp += ['disabled' => 'disabled'];
                     }
 
@@ -60,22 +57,23 @@ class MasterPictureAttachmentType extends AbstractType
             'class' => function (Options $options) {
                 $short_class_name = (new \ReflectionClass($options['entity']))->getShortName();
                 //Category becomes CategoryAttachment
-                return 'App\\Entity\\Attachments\\' . $short_class_name . 'Attachment';
+                return 'App\\Entity\\Attachments\\'.$short_class_name.'Attachment';
             },
             'query_builder' => function (Options $options) {
                 return function (EntityRepository $er) use ($options) {
                     $entity = $options['entity'];
-                    if ($entity->getID() === null) {
+                    if (null === $entity->getID()) {
                         //This query is always false, so we get empty results
                         return $er->createQueryBuilder('u')->where('0 = 2');
                     }
+
                     return $er->createQueryBuilder('u')
                         ->where('u.element = ?1')
                         ->andWhere("u.path <> ''")
                         ->orderBy('u.name', 'ASC')
                         ->setParameter(1, $entity);
                 };
-            }
+            },
         ]);
 
         $resolver->setAllowedValues('filter', ['', 'picture', '3d_model']);
@@ -85,4 +83,4 @@ class MasterPictureAttachmentType extends AbstractType
     {
         return EntityType::class;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Type/SIUnitType.php b/src/Form/Type/SIUnitType.php
index 4ba28e54..2e3b22c9 100644
--- a/src/Form/Type/SIUnitType.php
+++ b/src/Form/Type/SIUnitType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Type;
 
-
 use App\Entity\Parts\MeasurementUnit;
 use App\Services\SIFormatter;
 use Symfony\Component\Form\AbstractType;
@@ -50,30 +48,36 @@ class SIUnitType extends AbstractType implements DataMapperInterface
         $resolver->setDefaults([
             'measurement_unit' => null,
             'show_prefix' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->isUseSIPrefix();
                 }
+
                 return false;
             },
             'is_integer' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->isInteger();
                 }
+
                 return false;
             },
             'unit' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->getUnit();
                 }
+
                 return null;
             },
-            'error_mapping' => [ '.' => 'value']
+            'error_mapping' => ['.' => 'value'],
         ]);
 
         $resolver->setAllowedTypes('measurement_unit', [MeasurementUnit::class, 'null']);
@@ -84,13 +88,13 @@ class SIUnitType extends AbstractType implements DataMapperInterface
                 'min' => 0,
                 'max' => '',
                 'step' => function (Options $options) {
-                    if ($options['is_integer'] === true) {
+                    if (true === $options['is_integer']) {
                         return 1;
                     }
 
-                    return "any";
+                    return 'any';
                 },
-                'html5' => true
+                'html5' => true,
             ]);
     }
 
@@ -102,13 +106,13 @@ class SIUnitType extends AbstractType implements DataMapperInterface
                 'attr' => [
                     'min' => (string) $options['min'],
                     'max' => (string) $options['max'],
-                    'step' => (string) $options['step']
-                ]
+                    'step' => (string) $options['step'],
+                ],
             ]);
 
         if ($options['show_prefix']) {
             $builder->add('prefix', ChoiceType::class, [
-                'choices' => ['M' => 6, 'k' => 3, '' => 0, 'm' => -3, 'µ' => -6 ]
+                'choices' => ['M' => 6, 'k' => 3, '' => 0, 'm' => -3, 'µ' => -6],
             ]);
         }
 
@@ -121,7 +125,7 @@ class SIUnitType extends AbstractType implements DataMapperInterface
 
         //Check if we need to make this thing small
         if (isset($options['attr']['class'])) {
-            $view->vars['sm'] = (strpos($options['attr']['class'], 'form-control-sm') !== false);
+            $view->vars['sm'] = (false !== strpos($options['attr']['class'], 'form-control-sm'));
         }
 
         $view->vars['unit'] = $options['unit'];
@@ -134,8 +138,8 @@ class SIUnitType extends AbstractType implements DataMapperInterface
      * The method is responsible for calling {@link FormInterface::setData()}
      * on the children of compound forms, defining their underlying model data.
      *
-     * @param mixed $viewData View data of the compound form being initialized
-     * @param FormInterface[]|\Traversable $forms A list of {@link FormInterface} instances
+     * @param mixed                        $viewData View data of the compound form being initialized
+     * @param FormInterface[]|\Traversable $forms    A list of {@link FormInterface} instances
      *
      * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported
      */
@@ -143,7 +147,7 @@ class SIUnitType extends AbstractType implements DataMapperInterface
     {
         $forms = iterator_to_array($forms);
 
-        if ($viewData === null) {
+        if (null === $viewData) {
             if (isset($forms['prefix'])) {
                 $forms['prefix']->setData(0);
             }
@@ -154,7 +158,7 @@ class SIUnitType extends AbstractType implements DataMapperInterface
         $data = $this->si_formatter->convertValue($viewData);
 
         if (isset($forms['prefix'])) {
-            $forms['value']->setData($data["value"]);
+            $forms['value']->setData($data['value']);
             $forms['prefix']->setData($data['prefix_magnitude']);
         } else {
             $forms['value']->setData($viewData);
@@ -184,8 +188,8 @@ class SIUnitType extends AbstractType implements DataMapperInterface
      * The model data can be an array or an object, so this second argument is always passed
      * by reference.
      *
-     * @param FormInterface[]|\Traversable $forms A list of {@link FormInterface} instances
-     * @param mixed $viewData The compound form's view data that get mapped
+     * @param FormInterface[]|\Traversable $forms    A list of {@link FormInterface} instances
+     * @param mixed                        $viewData The compound form's view data that get mapped
      *                                               its children model data
      *
      * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported
@@ -203,4 +207,4 @@ class SIUnitType extends AbstractType implements DataMapperInterface
             $viewData *= 10 ** $multiplier;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Type/StructuralEntityType.php b/src/Form/Type/StructuralEntityType.php
index c0111486..a5742ce6 100644
--- a/src/Form/Type/StructuralEntityType.php
+++ b/src/Form/Type/StructuralEntityType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,23 +17,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Type;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\StructuralDBElement;
-use App\Entity\Parts\Storelocation;
 use App\Repository\StructuralDBElementRepository;
 use App\Services\TreeBuilder;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\CallbackTransformer;
 use Symfony\Component\Form\ChoiceList\Loader\CallbackChoiceLoader;
-use Symfony\Component\Form\DataMapperInterface;
-use Symfony\Component\Form\DataTransformerInterface;
 use Symfony\Component\Form\Exception;
 use Symfony\Component\Form\Exception\TransformationFailedException;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -43,18 +38,16 @@ use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Validator\Constraints\Choice;
-use function foo\func;
 
 /**
  * This class provides a choice form type similar to EntityType, with the difference, that the tree structure
- * of the StructuralDBElementRepository will be shown to user
- * @package App\Form\Type
+ * of the StructuralDBElementRepository will be shown to user.
  */
 class StructuralEntityType extends AbstractType
 {
     protected $em;
     protected $options;
-    /** @var TreeBuilder  */
+    /** @var TreeBuilder */
     protected $builder;
 
     public function __construct(EntityManagerInterface $em, TreeBuilder $builder)
@@ -66,11 +59,11 @@ class StructuralEntityType extends AbstractType
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
         $builder->addModelTransformer(new CallbackTransformer(
-            function ($value) use ($options){
+            function ($value) use ($options) {
                 return $this->transform($value, $options);
             }, function ($value) use ($options) {
-            return $this->reverseTransform($value, $options);
-        }));
+                return $this->reverseTransform($value, $options);
+            }));
     }
 
     public function configureOptions(OptionsResolver $resolver)
@@ -89,25 +82,26 @@ class StructuralEntityType extends AbstractType
                 return $this->generateChoiceLabels($choice, $key, $value);
             }, 'choice_attr' => function ($choice, $key, $value) {
                 return $this->generateChoiceAttr($choice, $key, $value);
-            }
+            },
         ]);
 
         $resolver->setDefault('empty_message', null);
 
         $resolver->setDefault('attr', function (Options $options) {
-            $tmp =  ['class' => 'selectpicker', 'data-live-search' => true];
+            $tmp = ['class' => 'selectpicker', 'data-live-search' => true];
             if ($options['empty_message']) {
                 $tmp['data-none-Selected-Text'] = $options['empty_message'];
             }
+
             return $tmp;
         });
     }
 
-    protected function generateChoiceAttr(StructuralDBElement $choice, $key, $value) : array
+    protected function generateChoiceAttr(StructuralDBElement $choice, $key, $value): array
     {
-        $tmp = array();
+        $tmp = [];
 
-        if ($this->options['show_fullpath_in_subtext'] && $choice->getParent() != null) {
+        if ($this->options['show_fullpath_in_subtext'] && null != $choice->getParent()) {
             $tmp += ['data-subtext' => $choice->getParent()->getFullPath()];
         }
 
@@ -123,7 +117,7 @@ class StructuralEntityType extends AbstractType
         return $tmp;
     }
 
-    protected function generateChoiceLabels(StructuralDBElement $choice, $key, $value) : string
+    protected function generateChoiceLabels(StructuralDBElement $choice, $key, $value): string
     {
         /** @var StructuralDBElement|null $parent */
         $parent = $this->options['subentities_of'];
@@ -131,34 +125,33 @@ class StructuralEntityType extends AbstractType
         /*** @var StructuralDBElement $choice */
         $level = $choice->getLevel();
         //If our base entity is not the root level, we need to change the level, to get zero position
-        if ($this->options['subentities_of'] !== null) {
+        if (null !== $this->options['subentities_of']) {
             $level -= $parent->getLevel() - 1;
         }
 
-
         $tmp = str_repeat('&nbsp;&nbsp;&nbsp;', $choice->getLevel()); //Use 3 spaces for intendation
-        $tmp .=  htmlspecialchars($choice->getName());
+        $tmp .= htmlspecialchars($choice->getName());
+
         return $tmp;
     }
 
     /**
-     * Gets the entries from database and return an array of them
-     * @param Options $options
+     * Gets the entries from database and return an array of them.
+     *
      * @return array
      */
-    public function getEntries(Options $options) : array
+    public function getEntries(Options $options): array
     {
         $this->options = $options;
 
         $choices = $this->builder->typeToNodesList($options['class'], null);
 
-        /** @var StructuralDBElementRepository $repo */
+        /* @var StructuralDBElementRepository $repo */
         /*$repo = $this->em->getRepository($options['class']);
         $choices = $repo->toNodesList(null); */
         return $choices;
     }
 
-
     public function buildView(FormView $view, FormInterface $form, array $options)
     {
         //Allow HTML in labels. You must override the 'choice_widget_options' block, so that can work
@@ -254,10 +247,10 @@ class StructuralEntityType extends AbstractType
            The performance impact of this should be very small in comparison of the boost, caused by the caching.
         */
 
-        if ($value === null) {
+        if (null === $value) {
             return null;
         }
 
         return $this->em->find($options['class'], $value->getID());
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/Type/TriStateCheckboxType.php b/src/Form/Type/TriStateCheckboxType.php
index 6c023a2e..c6989766 100644
--- a/src/Form/Type/TriStateCheckboxType.php
+++ b/src/Form/Type/TriStateCheckboxType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form\Type;
 
-
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\DataTransformerInterface;
 use Symfony\Component\Form\Exception\TransformationFailedException;
-use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\FormBuilderInterface;
 use Symfony\Component\Form\FormInterface;
 use Symfony\Component\Form\FormView;
@@ -34,7 +31,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class TriStateCheckboxType extends AbstractType implements DataTransformerInterface
 {
-    public function buildForm(FormBuilderInterface $builder, array $options) : void
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addViewTransformer($this);
     }
@@ -44,7 +41,7 @@ class TriStateCheckboxType extends AbstractType implements DataTransformerInterf
         $resolver->setDefaults([
             'label_attr' => ['class' => 'checkbox-custom checkbox-inline'],
             'attr' => ['class' => 'tristate'],
-            'compound' => false
+            'compound' => false,
         ]);
     }
 
@@ -61,7 +58,7 @@ class TriStateCheckboxType extends AbstractType implements DataTransformerInterf
         $view->vars = array_replace($view->vars, [
             'value' => $form->getViewData(),
             'checked' => true === $form->getData(),
-            'indeterminate' => null === $form->getData()
+            'indeterminate' => null === $form->getData(),
         ]);
     }
 
@@ -106,19 +103,19 @@ class TriStateCheckboxType extends AbstractType implements DataTransformerInterf
      */
     public function transform($value)
     {
-        if ($value === true) {
-            return "true";
+        if (true === $value) {
+            return 'true';
         }
 
-        if ($value === false) {
-            return "false";
+        if (false === $value) {
+            return 'false';
         }
 
-        if ($value === null) {
-            return "indeterminate";
+        if (null === $value) {
+            return 'indeterminate';
         }
 
-        throw new \InvalidArgumentException('Invalid value encountered!: ' . $value);
+        throw new \InvalidArgumentException('Invalid value encountered!: '.$value);
     }
 
     /**
@@ -151,15 +148,15 @@ class TriStateCheckboxType extends AbstractType implements DataTransformerInterf
     public function reverseTransform($value)
     {
         switch ($value) {
-            case "true":
+            case 'true':
                 return true;
-            case "false":
+            case 'false':
             case '':
                 return false;
-            case "indeterminate":
+            case 'indeterminate':
                 return null;
             default:
-                throw new \InvalidArgumentException('Invalid value encountered!: ' . $value);
+                throw new \InvalidArgumentException('Invalid value encountered!: '.$value);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/UserAdminForm.php b/src/Form/UserAdminForm.php
index 24358cc3..f9514dac 100644
--- a/src/Form/UserAdminForm.php
+++ b/src/Form/UserAdminForm.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form;
 
-
-use App\Entity\UserSystem\Group;
 use App\Entity\Base\NamedDBElement;
 use App\Entity\Base\StructuralDBElement;
+use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use App\Form\Permissions\PermissionsType;
-use App\Form\Permissions\PermissionType;
 use App\Form\Type\CurrencyEntityType;
 use App\Form\Type\StructuralEntityType;
 use FOS\CKEditorBundle\Form\Type\CKEditorType;
-use Symfony\Bridge\Doctrine\Form\Type\EntityType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
@@ -52,7 +48,6 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 class UserAdminForm extends AbstractType
 {
-
     protected $security;
     protected $trans;
 
@@ -72,12 +67,12 @@ class UserAdminForm extends AbstractType
     {
         /** @var StructuralDBElement $entity */
         $entity = $options['data'];
-        $is_new = $entity->getID() === null;
+        $is_new = null === $entity->getID();
 
         $builder
             ->add('name', TextType::class, [
                 'empty_data' => '',
-                'label' =>  $this->trans->trans('user.username.label'),
+                'label' => $this->trans->trans('user.username.label'),
                 'attr' => ['placeholder' => $this->trans->trans('user.username.placeholder')],
                 'disabled' => !$this->security->isGranted('edit_username', $entity),
             ])
@@ -111,7 +106,6 @@ class UserAdminForm extends AbstractType
                 'required' => false,
                 'disabled' => !$this->security->isGranted('edit_infos', $entity), ])
 
-
             ->add('department', TextType::class, [
                 'empty_data' => '',
                 'label' => $this->trans->trans('user.department.label'),
@@ -120,7 +114,6 @@ class UserAdminForm extends AbstractType
                 'disabled' => !$this->security->isGranted('edit_infos', $entity),
             ])
 
-
             //Config section
             ->add('language', LanguageType::class, [
                 'required' => false,
@@ -128,7 +121,7 @@ class UserAdminForm extends AbstractType
                 'placeholder' => $this->trans->trans('user_settings.language.placeholder'),
                 'label' => $this->trans->trans('user.language_select'),
                 'preferred_choices' => ['en', 'de'],
-                'disabled' => !$this->security->isGranted('change_user_settings', $entity)
+                'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])
             ->add('timezone', TimezoneType::class, [
                 'required' => false,
@@ -136,7 +129,7 @@ class UserAdminForm extends AbstractType
                 'placeholder' => $this->trans->trans('user_settings.timezone.placeholder'),
                 'label' => $this->trans->trans('user.timezone.label'),
                 'preferred_choices' => ['Europe/Berlin'],
-                'disabled' => !$this->security->isGranted('change_user_settings', $entity)
+                'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])
             ->add('theme', ChoiceType::class, [
                 'required' => false,
@@ -147,12 +140,12 @@ class UserAdminForm extends AbstractType
                 'attr' => ['class' => 'selectpicker'],
                 'placeholder' => $this->trans->trans('user_settings.theme.placeholder'),
                 'label' => $this->trans->trans('user.theme.label'),
-                'disabled' => !$this->security->isGranted('change_user_settings', $entity)
+                'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])
             ->add('currency', CurrencyEntityType::class, [
                 'required' => false,
                 'label' => $this->trans->trans('user.currency.label'),
-                'disabled' => !$this->security->isGranted('change_user_settings', $entity)
+                'disabled' => !$this->security->isGranted('change_user_settings', $entity),
             ])
 
             ->add('new_password', RepeatedType::class, [
@@ -166,14 +159,14 @@ class UserAdminForm extends AbstractType
                 'constraints' => [new Length([
                     'min' => 6,
                     'max' => 128,
-                ])]
+                ])],
             ])
 
             ->add('need_pw_change', CheckboxType::class, [
                 'required' => false,
                 'label_attr' => ['class' => 'checkbox-custom'],
                 'label' => $this->trans->trans('user.edit.needs_pw_change'),
-                'disabled' => !$this->security->isGranted('set_password', $entity)
+                'disabled' => !$this->security->isGranted('set_password', $entity),
             ])
 
             ->add('disabled', CheckboxType::class, [
@@ -181,15 +174,14 @@ class UserAdminForm extends AbstractType
                 'label_attr' => ['class' => 'checkbox-custom'],
                 'label' => $this->trans->trans('user.edit.user_disabled'),
                 'disabled' => !$this->security->isGranted('set_password', $entity)
-                    || $entity === $this->security->getUser()
-
+                    || $entity === $this->security->getUser(),
             ])
 
             //Permission section
             ->add('permissions', PermissionsType::class, [
                 'mapped' => false,
                 'data' => $builder->getData(),
-                'disabled' => !$this->security->isGranted('edit_permissions', $entity)
+                'disabled' => !$this->security->isGranted('edit_permissions', $entity),
             ])
         ;
         /*->add('comment', CKEditorType::class, ['required' => false,
@@ -213,11 +205,11 @@ class UserAdminForm extends AbstractType
 
         //Buttons
         $builder->add('save', SubmitType::class, [
-            'label' =>  $is_new ? $this->trans->trans('user.create') : $this->trans->trans('user.edit.save'),
-            'attr' => ['class' => $is_new ? 'btn-success' : '']
+            'label' => $is_new ? $this->trans->trans('user.create') : $this->trans->trans('user.edit.save'),
+            'attr' => ['class' => $is_new ? 'btn-success' : ''],
         ])
             ->add('reset', ResetType::class, [
-                'label' => $this->trans->trans('entity.edit.reset')
+                'label' => $this->trans->trans('entity.edit.reset'),
             ]);
     }
 
@@ -225,4 +217,4 @@ class UserAdminForm extends AbstractType
     {
         //Empty for Base
     }
-}
\ No newline at end of file
+}
diff --git a/src/Form/UserSettingsType.php b/src/Form/UserSettingsType.php
index eaa6b35d..e6f4dfe0 100644
--- a/src/Form/UserSettingsType.php
+++ b/src/Form/UserSettingsType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Form;
 
-use App\Entity\PriceInformations\Currency;
 use App\Entity\UserSystem\User;
 use App\Form\Type\CurrencyEntityType;
-use App\Form\Type\StructuralEntityType;
-use Doctrine\ORM\Query\Parameter;
-use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
 use Symfony\Component\Form\Extension\Core\Type\EmailType;
 use Symfony\Component\Form\Extension\Core\Type\LanguageType;
-use Symfony\Component\Form\Extension\Core\Type\LocaleType;
 use Symfony\Component\Form\Extension\Core\Type\ResetType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
@@ -90,7 +84,7 @@ class UserSettingsType extends AbstractType
                 'attr' => ['class' => 'selectpicker', 'data-live-search' => true],
                 'placeholder' => $this->trans->trans('user_settings.language.placeholder'),
                 'label' => $this->trans->trans('user.language_select'),
-                'preferred_choices' => ['en', 'de']
+                'preferred_choices' => ['en', 'de'],
                 ])
             ->add('timezone', TimezoneType::class, [
                 'disabled' => $this->demo_mode,
@@ -98,7 +92,7 @@ class UserSettingsType extends AbstractType
                 'attr' => ['class' => 'selectpicker', 'data-live-search' => true],
                 'placeholder' => $this->trans->trans('user_settings.timezone.placeholder'),
                 'label' => $this->trans->trans('user.timezone.label'),
-                'preferred_choices' => ['Europe/Berlin']
+                'preferred_choices' => ['Europe/Berlin'],
                 ])
             ->add('theme', ChoiceType::class, [
                 'disabled' => $this->demo_mode,
@@ -114,7 +108,7 @@ class UserSettingsType extends AbstractType
             ->add('currency', CurrencyEntityType::class, [
                 'disabled' => $this->demo_mode,
                 'required' => false,
-                'label' => $this->trans->trans('user.currency.label')
+                'label' => $this->trans->trans('user.currency.label'),
             ])
 
             //Buttons
diff --git a/src/Helpers/BBCodeToMarkdownConverter.php b/src/Helpers/BBCodeToMarkdownConverter.php
index 5a84ba0e..6841e05d 100644
--- a/src/Helpers/BBCodeToMarkdownConverter.php
+++ b/src/Helpers/BBCodeToMarkdownConverter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Helpers;
@@ -26,7 +25,6 @@ use League\HTMLToMarkdown\HtmlConverter;
 use s9e\TextFormatter\Bundles\Forum as TextFormatter;
 use SebastianBergmann\CodeCoverage\Report\Text;
 
-
 class BBCodeToMarkdownConverter
 {
     protected $html_to_markdown;
@@ -39,10 +37,12 @@ class BBCodeToMarkdownConverter
     /**
      * Converts the given BBCode to markdown.
      * BBCode tags that does not have a markdown aequivalent are outputed as HTML tags.
+     *
      * @param $bbcode string The Markdown that should be converted.
+     *
      * @return string The markdown version of the text.
      */
-    public function convert(string $bbcode) : string
+    public function convert(string $bbcode): string
     {
         //Convert BBCode to html
         $xml = TextFormatter::parse($bbcode);
@@ -51,4 +51,4 @@ class BBCodeToMarkdownConverter
         //Now convert the HTML to markdown
         return $this->html_to_markdown->convert($html);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Helpers/TreeViewNode.php b/src/Helpers/TreeViewNode.php
index 49c055ab..32722bab 100644
--- a/src/Helpers/TreeViewNode.php
+++ b/src/Helpers/TreeViewNode.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Helpers;
@@ -25,7 +24,6 @@ namespace App\Helpers;
 /**
  * This class represents a node for the bootstrap treeview node.
  * When you serialize an array of these objects to JSON, you can use the serialized data in data for the treeview.
- * @package App\Helpers
  */
 class TreeViewNode
 {
@@ -39,11 +37,12 @@ class TreeViewNode
 
     /**
      * Creates a new TreeView node with the given parameters.
-     * @param string $text The text that is shown in the node. (e.g. the name of the node)
-     * @param string|null $href A link for the node. You have to activate "enableLinks" option in init of the treeview.
-     *                          Set this to null, if no href should be used.
-     * @param array|null $nodes An array containing other TreeViewNodes. They will be used as children nodes of the
-     *                          newly created nodes. Set to null, if it should not have children.
+     *
+     * @param string      $text  The text that is shown in the node. (e.g. the name of the node)
+     * @param string|null $href  A link for the node. You have to activate "enableLinks" option in init of the treeview.
+     *                           Set this to null, if no href should be used.
+     * @param array|null  $nodes An array containing other TreeViewNodes. They will be used as children nodes of the
+     *                           newly created nodes. Set to null, if it should not have children.
      */
     public function __construct(string $text, ?string $href = null, ?array $nodes = null)
     {
@@ -56,6 +55,7 @@ class TreeViewNode
 
     /**
      * Returns the node text.
+     *
      * @return string
      */
     public function getText(): string
@@ -64,18 +64,22 @@ class TreeViewNode
     }
 
     /**
-     * Sets the node text
+     * Sets the node text.
+     *
      * @param string $text The new node text.
+     *
      * @return TreeViewNode
      */
     public function setText(string $text): self
     {
         $this->text = $text;
+
         return $this;
     }
 
     /**
      * Returns the href link.
+     *
      * @return string|null
      */
     public function getHref(): ?string
@@ -85,17 +89,21 @@ class TreeViewNode
 
     /**
      * Sets the href link.
+     *
      * @param string|null $href The new href link.
+     *
      * @return TreeViewNode
      */
     public function setHref(?string $href): self
     {
         $this->href = $href;
+
         return $this;
     }
 
     /**
      * Returns the children nodes of this node.
+     *
      * @return array|null
      */
     public function getNodes(): ?array
@@ -105,30 +113,34 @@ class TreeViewNode
 
     /**
      * Sets the children nodes.
+     *
      * @param array|null $nodes The new children nodes
+     *
      * @return TreeViewNode
      */
     public function setNodes(?array $nodes): self
     {
         $this->nodes = $nodes;
+
         return $this;
     }
 
-    public function getState() : ?TreeViewNodeState
+    public function getState(): ?TreeViewNodeState
     {
         return $this->state;
     }
 
-    public function setState(TreeViewNodeState $state) : self
+    public function setState(TreeViewNodeState $state): self
     {
         $this->state = $state;
+
         return $this;
     }
 
-    public function setDisabled(?bool $disabled) : self
+    public function setDisabled(?bool $disabled): self
     {
         //Lazy loading of state, so it does not need to get serialized and transfered, when it is empty.
-        if ($this->state == null) {
+        if (null == $this->state) {
             $this->state = new TreeViewNodeState();
         }
 
@@ -137,10 +149,10 @@ class TreeViewNode
         return $this;
     }
 
-    public function setSelected(?bool $selected) : self
+    public function setSelected(?bool $selected): self
     {
         //Lazy loading of state, so it does not need to get serialized and transfered, when it is empty.
-        if ($this->state == null) {
+        if (null == $this->state) {
             $this->state = new TreeViewNodeState();
         }
 
@@ -149,21 +161,20 @@ class TreeViewNode
         return $this;
     }
 
-    public function getTags() : ?array
+    public function getTags(): ?array
     {
         return $this->tags;
     }
 
-    public function addTag(string $new_tag) : self
+    public function addTag(string $new_tag): self
     {
         //Lazy loading tags
-        if ($this->tags == null) {
-            $this->tags = array();
+        if (null == $this->tags) {
+            $this->tags = [];
         }
 
         $this->tags[] = $new_tag;
 
         return $this;
     }
-
 }
diff --git a/src/Helpers/TreeViewNodeState.php b/src/Helpers/TreeViewNodeState.php
index 5d634ba0..c31907e1 100644
--- a/src/Helpers/TreeViewNodeState.php
+++ b/src/Helpers/TreeViewNodeState.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,22 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Helpers;
 
-
 class TreeViewNodeState
 {
-    /** @var null|bool */
+    /** @var bool|null */
     protected $checked = null;
 
-    /** @var null|bool */
+    /** @var bool|null */
     protected $disabled = null;
 
-    /** @var null|bool */
+    /** @var bool|null */
     protected $expanded = null;
 
-    /** @var null|bool */
+    /** @var bool|null */
     protected $selected = null;
 
     /**
@@ -45,9 +43,6 @@ class TreeViewNodeState
         return $this->disabled;
     }
 
-    /**
-     * @param bool|null $disabled
-     */
     public function setDisabled(?bool $disabled): void
     {
         $this->disabled = $disabled;
@@ -61,9 +56,6 @@ class TreeViewNodeState
         return $this->expanded;
     }
 
-    /**
-     * @param bool|null $expanded
-     */
     public function setExpanded(?bool $expanded): void
     {
         $this->expanded = $expanded;
@@ -77,13 +69,8 @@ class TreeViewNodeState
         return $this->selected;
     }
 
-    /**
-     * @param bool|null $selected
-     */
     public function setSelected(?bool $selected): void
     {
         $this->selected = $selected;
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Helpers/UTCDateTimeType.php b/src/Helpers/UTCDateTimeType.php
index d5776740..92074367 100644
--- a/src/Helpers/UTCDateTimeType.php
+++ b/src/Helpers/UTCDateTimeType.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Helpers;
@@ -28,8 +27,7 @@ use Doctrine\DBAL\Types\DateTimeType;
 
 /**
  * This DateTimeType all dates to UTC, so it can be later used with the timezones.
- * Taken from here: https://www.doctrine-project.org/projects/doctrine-orm/en/2.6/cookbook/working-with-datetime.html
- * @package App\Helpers
+ * Taken from here: https://www.doctrine-project.org/projects/doctrine-orm/en/2.6/cookbook/working-with-datetime.html.
  */
 class UTCDateTimeType extends DateTimeType
 {
@@ -64,14 +62,10 @@ class UTCDateTimeType extends DateTimeType
             self::$utc_timezone
         );
 
-        if (! $converted) {
-            throw ConversionException::conversionFailedFormat(
-                $value,
-                $this->getName(),
-                $platform->getDateTimeFormatString()
-            );
+        if (!$converted) {
+            throw ConversionException::conversionFailedFormat($value, $this->getName(), $platform->getDateTimeFormatString());
         }
 
         return $converted;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Kernel.php b/src/Kernel.php
index f607bccf..4aed333e 100644
--- a/src/Kernel.php
+++ b/src/Kernel.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App;
diff --git a/src/Migrations/Version1.php b/src/Migrations/Version1.php
index dc93a741..b721ceaa 100644
--- a/src/Migrations/Version1.php
+++ b/src/Migrations/Version1.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -33,24 +32,23 @@ use Doctrine\Migrations\AbstractMigration;
  */
 final class Version1 extends AbstractMigration
 {
-    public function getDescription() : string
+    public function getDescription(): string
     {
         return 'Creates an inital empty database';
     }
 
-    public function up(Schema $schema) : void
+    public function up(Schema $schema): void
     {
         try {
             //Check if we can use this migration method:
-            $version = (int)$this->connection->fetchColumn("SELECT keyValue AS version FROM `internal` WHERE `keyName` = 'dbVersion'");
-            $this->skipIf(true, "Old Part-DB Database detected! Continue with upgrade...");
+            $version = (int) $this->connection->fetchColumn("SELECT keyValue AS version FROM `internal` WHERE `keyName` = 'dbVersion'");
+            $this->skipIf(true, 'Old Part-DB Database detected! Continue with upgrade...');
         } catch (DBALException $ex) {
             //when the table was not found, we can proceed, because we have an empty DB!
         }
 
-
         // this up() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('CREATE TABLE `attachment_types` (id INT AUTO_INCREMENT NOT NULL, parent_id INT DEFAULT NULL, filetype_filter LONGTEXT NOT NULL, comment LONGTEXT NOT NULL, not_selectable TINYINT(1) NOT NULL, name VARCHAR(255) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_EFAED719727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
         $this->addSql('CREATE TABLE `categories` (id INT AUTO_INCREMENT NOT NULL, parent_id INT DEFAULT NULL, partname_hint LONGTEXT NOT NULL, partname_regex LONGTEXT NOT NULL, disable_footprints TINYINT(1) NOT NULL, disable_manufacturers TINYINT(1) NOT NULL, disable_autodatasheets TINYINT(1) NOT NULL, disable_properties TINYINT(1) NOT NULL, default_description LONGTEXT NOT NULL, default_comment LONGTEXT NOT NULL, comment LONGTEXT NOT NULL, not_selectable TINYINT(1) NOT NULL, name VARCHAR(255) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_3AF34668727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
@@ -105,16 +103,16 @@ final class Version1 extends AbstractMigration
          */
 
         //Create table for user logs:
-        $sql =  $updateSteps[] = "CREATE TABLE `log` ".
-            "( `id` INT NOT NULL AUTO_INCREMENT , `datetime` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP() ,".
-            " `id_user` INT NOT NULL ,".
-            " `level` TINYINT NOT NULL ,".
-            " `type` SMALLINT NOT NULL ,".
-            " `target_id` INT NOT NULL ,".
-            " `target_type` SMALLINT NOT NULL ,".
-            " `extra` MEDIUMTEXT NOT NULL ,".
-            " PRIMARY KEY (`id`),".
-            " INDEX (`id_user`)) ENGINE = InnoDB;";
+        $sql = $updateSteps[] = 'CREATE TABLE `log` '.
+            '( `id` INT NOT NULL AUTO_INCREMENT , `datetime` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP() ,'.
+            ' `id_user` INT NOT NULL ,'.
+            ' `level` TINYINT NOT NULL ,'.
+            ' `type` SMALLINT NOT NULL ,'.
+            ' `target_id` INT NOT NULL ,'.
+            ' `target_type` SMALLINT NOT NULL ,'.
+            ' `extra` MEDIUMTEXT NOT NULL ,'.
+            ' PRIMARY KEY (`id`),'.
+            ' INDEX (`id_user`)) ENGINE = InnoDB;';
         $this->addSql($sql);
         //Create first groups and users:
         //Add needed groups.
@@ -145,7 +143,7 @@ final class Version1 extends AbstractMigration
                     5461, 5461, 1365, 1365); 
 EOD;
         $this->addSql($sql);
-        $admin_pw = "$2y$10$36AnqCBS.YnHlVdM4UQ0oOCV7BjU7NmE0qnAVEex65AyZw1cbcEjq";
+        $admin_pw = '$2y$10$36AnqCBS.YnHlVdM4UQ0oOCV7BjU7NmE0qnAVEex65AyZw1cbcEjq';
         $sql = <<<EOD
             INSERT IGNORE INTO `users`
             (`id`,`name`,`password`,`first_name`,`last_name`,`department`,
@@ -177,13 +175,12 @@ EOD;
         $this->addSql("UPDATE `groups` SET `perms_labels` = '85' WHERE `groups`.`id` = 1;");
         $this->addSql("UPDATE `groups` SET `perms_labels` = '165' WHERE `groups`.`id` = 2;");
         $this->addSql("UPDATE `groups` SET `perms_labels` = '85' WHERE `groups`.`id` = 3;");
-
     }
 
-    public function down(Schema $schema) : void
+    public function down(Schema $schema): void
     {
         // this down() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE `attachment_types` DROP FOREIGN KEY FK_EFAED719727ACA70');
         $this->addSql('ALTER TABLE `attachments` DROP FOREIGN KEY FK_47C4FAD6C54C8C93');
diff --git a/src/Migrations/Version20190902140506.php b/src/Migrations/Version20190902140506.php
index 48ee4574..ac0b6d82 100644
--- a/src/Migrations/Version20190902140506.php
+++ b/src/Migrations/Version20190902140506.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -33,26 +32,25 @@ use Doctrine\Migrations\AbstractMigration;
  */
 final class Version20190902140506 extends AbstractMigration
 {
-    public function getDescription() : string
+    public function getDescription(): string
     {
         return 'Upgrade database from old Part-DB 0.5 Version (dbVersion 26)';
     }
 
-    public function up(Schema $schema) : void
+    public function up(Schema $schema): void
     {
         // this up() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         try {
             //Check if we can use this migration method:
-            $version = (int)$this->connection->fetchColumn("SELECT keyValue AS version FROM `internal` WHERE `keyName` = 'dbVersion'");
-            $this->abortIf($version !== 26, "This database migration can only be used if the database version is 26! Install Part-DB 0.5.6 and update database there!");
+            $version = (int) $this->connection->fetchColumn("SELECT keyValue AS version FROM `internal` WHERE `keyName` = 'dbVersion'");
+            $this->abortIf(26 !== $version, 'This database migration can only be used if the database version is 26! Install Part-DB 0.5.6 and update database there!');
         } catch (DBALException $ex) {
             //when the table was not found, then you can not use this migration
-            $this->skipIf(true, "Empty database detected. Skip migration.");
+            $this->skipIf(true, 'Empty database detected. Skip migration.');
         }
 
-
         //Deactive SQL Modes (especially NO_ZERO_DATE, which prevents updating)
         $this->addSql("SET sql_mode = ''");
 
@@ -64,17 +62,17 @@ final class Version20190902140506 extends AbstractMigration
         $this->addSql('CREATE TABLE `measurement_units` (id INT AUTO_INCREMENT NOT NULL, parent_id INT DEFAULT NULL, unit VARCHAR(255) DEFAULT NULL, is_integer TINYINT(1) NOT NULL, use_si_prefix TINYINT(1) NOT NULL, comment LONGTEXT NOT NULL, not_selectable TINYINT(1) NOT NULL, name VARCHAR(255) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_F5AF83CF727ACA70 (parent_id), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
         $this->addSql('CREATE TABLE part_lots (id INT AUTO_INCREMENT NOT NULL, id_store_location INT DEFAULT NULL, id_part INT NOT NULL, description LONGTEXT NOT NULL, comment LONGTEXT NOT NULL, expiration_date DATETIME DEFAULT NULL, instock_unknown TINYINT(1) NOT NULL, amount DOUBLE PRECISION NOT NULL, needs_refill TINYINT(1) NOT NULL, last_modified DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, datetime_added DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL, INDEX IDX_EBC8F9435D8F4B37 (id_store_location), INDEX IDX_EBC8F943C22F6CC4 (id_part), PRIMARY KEY(id)) DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci ENGINE = InnoDB');
 
-        /** Migrate the part locations for parts with known instock */
+        /* Migrate the part locations for parts with known instock */
         $this->addSql(
-            'INSERT IGNORE INTO part_lots (id_part, id_store_location, amount, instock_unknown, last_modified, datetime_added) ' .
-            'SELECT parts.id, parts.id_storelocation,  parts.instock, 0, NOW(), NOW() FROM parts ' .
+            'INSERT IGNORE INTO part_lots (id_part, id_store_location, amount, instock_unknown, last_modified, datetime_added) '.
+            'SELECT parts.id, parts.id_storelocation,  parts.instock, 0, NOW(), NOW() FROM parts '.
             'WHERE parts.instock >= 0'
         );
 
         //Migrate part locations for parts with unknown instock
         $this->addSql(
-            'INSERT IGNORE INTO part_lots (id_part, id_store_location, amount, instock_unknown, last_modified, datetime_added) ' .
-            'SELECT parts.id, parts.id_storelocation, 0, 1, NOW(), NOW() FROM parts ' .
+            'INSERT IGNORE INTO part_lots (id_part, id_store_location, amount, instock_unknown, last_modified, datetime_added) '.
+            'SELECT parts.id, parts.id_storelocation, 0, 1, NOW(), NOW() FROM parts '.
             'WHERE parts.instock = -2'
         );
 
@@ -183,8 +181,8 @@ final class Version20190902140506 extends AbstractMigration
         $this->addSql('CREATE INDEX IDX_F06D3970727ACA70 ON groups (parent_id)');
 
         //Fill empty timestamps with current date
-        $tables = ["attachments", "attachment_types", "categories", "devices", "footprints", "manufacturers",
-            "orderdetails", "pricedetails", "storelocations", "suppliers"];
+        $tables = ['attachments', 'attachment_types', 'categories', 'devices', 'footprints', 'manufacturers',
+            'orderdetails', 'pricedetails', 'storelocations', 'suppliers', ];
 
         foreach ($tables as $table) {
             $this->addSql("UPDATE $table SET datetime_added = NOW() WHERE datetime_added = '0000-00-00 00:00:00'");
@@ -195,10 +193,10 @@ final class Version20190902140506 extends AbstractMigration
         $this->addSql("UPDATE `internal` SET `keyValue` = '99' WHERE `internal`.`keyName` = 'dbVersion'");
     }
 
-    public function down(Schema $schema) : void
+    public function down(Schema $schema): void
     {
         // this down() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE currencies DROP FOREIGN KEY FK_37C44693727ACA70');
         $this->addSql('ALTER TABLE `suppliers` DROP FOREIGN KEY FK_AC28B95CECD792C0');
diff --git a/src/Migrations/Version20190913141126.php b/src/Migrations/Version20190913141126.php
index 8a46692f..82f00fc6 100644
--- a/src/Migrations/Version20190913141126.php
+++ b/src/Migrations/Version20190913141126.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -32,15 +31,15 @@ use Doctrine\Migrations\AbstractMigration;
  */
 final class Version20190913141126 extends AbstractMigration
 {
-    public function getDescription() : string
+    public function getDescription(): string
     {
         return '';
     }
 
-    public function up(Schema $schema) : void
+    public function up(Schema $schema): void
     {
         // this up() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE `groups` ADD perms_parts_category SMALLINT NOT NULL, ADD perms_parts_minamount SMALLINT NOT NULL, ADD perms_parts_lots SMALLINT NOT NULL, ADD perms_parts_tags SMALLINT NOT NULL, ADD perms_parts_unit SMALLINT NOT NULL, ADD perms_parts_mass SMALLINT NOT NULL, ADD perms_parts_status SMALLINT NOT NULL, ADD perms_parts_mpn SMALLINT NOT NULL, ADD perms_currencies INT NOT NULL, ADD perms_measurement_units INT NOT NULL, DROP perms_parts_instock, DROP perms_parts_mininstock, DROP perms_parts_storelocation');
         $this->addSql('ALTER TABLE users ADD currency_id INT DEFAULT NULL, ADD settings LONGTEXT NOT NULL COMMENT \'(DC2Type:json)\', ADD perms_parts_category SMALLINT NOT NULL, ADD perms_parts_minamount SMALLINT NOT NULL, ADD perms_parts_lots SMALLINT NOT NULL, ADD perms_parts_tags SMALLINT NOT NULL, ADD perms_parts_unit SMALLINT NOT NULL, ADD perms_parts_mass SMALLINT NOT NULL, ADD perms_parts_status SMALLINT NOT NULL, ADD perms_parts_mpn SMALLINT NOT NULL, ADD perms_currencies INT NOT NULL, ADD perms_measurement_units INT NOT NULL, DROP config_currency, DROP perms_parts_instock, DROP perms_parts_mininstock, DROP perms_parts_storelocation');
@@ -70,10 +69,10 @@ final class Version20190913141126 extends AbstractMigration
         $this->write('[!!!] Permissions were updated! Please check if they fit your expectations!');
     }
 
-    public function down(Schema $schema) : void
+    public function down(Schema $schema): void
     {
         // this down() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE `groups` ADD perms_parts_instock SMALLINT NOT NULL, ADD perms_parts_mininstock SMALLINT NOT NULL, ADD perms_parts_storelocation SMALLINT NOT NULL, DROP perms_parts_category, DROP perms_parts_minamount, DROP perms_parts_lots, DROP perms_parts_tags, DROP perms_parts_unit, DROP perms_parts_mass, DROP perms_parts_status, DROP perms_parts_mpn, DROP perms_currencies, DROP perms_measurement_units');
         $this->addSql('ALTER TABLE `users` DROP FOREIGN KEY FK_1483A5E938248176');
diff --git a/src/Migrations/Version20190924113252.php b/src/Migrations/Version20190924113252.php
index e45d3f92..5f7f1f8e 100644
--- a/src/Migrations/Version20190924113252.php
+++ b/src/Migrations/Version20190924113252.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 declare(strict_types=1);
@@ -32,15 +31,15 @@ use Doctrine\Migrations\AbstractMigration;
  */
 final class Version20190924113252 extends AbstractMigration
 {
-    public function getDescription() : string
+    public function getDescription(): string
     {
         return '';
     }
 
-    public function up(Schema $schema) : void
+    public function up(Schema $schema): void
     {
         // this up() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE users ADD id_preview_attachement INT DEFAULT NULL, ADD pw_reset_token VARCHAR(255) DEFAULT NULL, ADD pw_reset_expires DATETIME DEFAULT NULL, ADD disabled TINYINT(1) NOT NULL, DROP config_image_path');
         $this->addSql('ALTER TABLE users ADD CONSTRAINT FK_1483A5E96DEDCEC2 FOREIGN KEY (id_preview_attachement) REFERENCES `attachments` (id)');
@@ -70,15 +69,15 @@ final class Version20190924113252 extends AbstractMigration
 
         //Add a attachment for each footprint attachment
         $this->addSql(
-            'INSERT IGNORE INTO attachments (element_id, type_id, name, class_name, path, last_modified, datetime_added) ' .
-            "SELECT footprints.id, 1000, 'Footprint', 'Footprint',  REPLACE(footprints.filename, '%BASE%/img/footprints', '%FOOTPRINTS%' ), NOW(), NOW() FROM footprints " .
+            'INSERT IGNORE INTO attachments (element_id, type_id, name, class_name, path, last_modified, datetime_added) '.
+            "SELECT footprints.id, 1000, 'Footprint', 'Footprint',  REPLACE(footprints.filename, '%BASE%/img/footprints', '%FOOTPRINTS%' ), NOW(), NOW() FROM footprints ".
             "WHERE footprints.filename <> ''"
         );
 
         //Do the same for 3D Footprints
         $this->addSql(
-            'INSERT IGNORE INTO attachments (element_id, type_id, name, class_name, path, last_modified, datetime_added) ' .
-            "SELECT footprints.id, 1001, 'Footprint 3D', 'Footprint',  REPLACE(footprints.filename_3d, '%BASE%/models', '%FOOTPRINTS3D%' ), NOW(), NOW() FROM footprints " .
+            'INSERT IGNORE INTO attachments (element_id, type_id, name, class_name, path, last_modified, datetime_added) '.
+            "SELECT footprints.id, 1001, 'Footprint 3D', 'Footprint',  REPLACE(footprints.filename_3d, '%BASE%/models', '%FOOTPRINTS3D%' ), NOW(), NOW() FROM footprints ".
             "WHERE footprints.filename_3d <> ''"
         );
 
@@ -123,10 +122,10 @@ final class Version20190924113252 extends AbstractMigration
         $this->addSql('CREATE INDEX IDX_6940A7FE6DEDCEC2 ON parts (id_preview_attachement)');
     }
 
-    public function down(Schema $schema) : void
+    public function down(Schema $schema): void
     {
         // this down() migration is auto-generated, please modify it to your needs
-        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
+        $this->abortIf('mysql' !== $this->connection->getDatabasePlatform()->getName(), 'Migration can only be executed safely on \'mysql\'.');
 
         $this->addSql('ALTER TABLE `attachment_types` DROP FOREIGN KEY FK_EFAED7196DEDCEC2');
         $this->addSql('DROP INDEX IDX_EFAED7196DEDCEC2 ON `attachment_types`');
diff --git a/src/Repository/PartRepository.php b/src/Repository/PartRepository.php
index f13d80db..e5a8370d 100644
--- a/src/Repository/PartRepository.php
+++ b/src/Repository/PartRepository.php
@@ -1,7 +1,7 @@
 <?php
 
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -18,17 +18,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
-
 namespace App\Repository;
 
-
 use Doctrine\ORM\EntityRepository;
 
 class PartRepository extends EntityRepository
 {
-
     //TODO
-}
\ No newline at end of file
+}
diff --git a/src/Repository/StructuralDBElementRepository.php b/src/Repository/StructuralDBElementRepository.php
index 4545087c..bf05b8f9 100644
--- a/src/Repository/StructuralDBElementRepository.php
+++ b/src/Repository/StructuralDBElementRepository.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,52 +17,50 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Repository;
 
-
 use App\Entity\Base\StructuralDBElement;
 use Doctrine\ORM\EntityRepository;
 
 class StructuralDBElementRepository extends EntityRepository
 {
-
     /**
      * Finds all nodes without a parent node. They are our root nodes.
      *
      * @return StructuralDBElement[]
      */
-    public function findRootNodes() : array
+    public function findRootNodes(): array
     {
         return $this->findBy(['parent' => null], ['name' => 'ASC']);
     }
 
     /**
      * Gets a flattened hierachical tree. Useful for generating option lists.
+     *
      * @param StructuralDBElement|null $parent This entity will be used as root element. Set to null, to use global root
+     *
      * @return StructuralDBElement[] A flattened list containing the tree elements.
      */
     public function toNodesList(?StructuralDBElement $parent = null): array
     {
-        $result = array();
+        $result = [];
 
         $entities = $this->findBy(['parent' => $parent], ['name' => 'ASC']);
 
-        /**
+        /*
          * I think it is very difficult to replace this recursive array_merge,
          * so if you want to change it you should have a better idea than adding each list to $result array
          * and do an array_merge(...$result) at the end.
          */
 
         foreach ($entities as $entity) {
-            /** @var StructuralDBElement $entity */
+            /* @var StructuralDBElement $entity */
             $result[] = $entity;
             $result = array_merge($result, $this->toNodesList($entity));
         }
 
         return $result;
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Repository/UserRepository.php b/src/Repository/UserRepository.php
index 7ee8fe31..f48e036e 100644
--- a/src/Repository/UserRepository.php
+++ b/src/Repository/UserRepository.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Repository;
@@ -40,13 +39,14 @@ class UserRepository extends ServiceEntityRepository
     }
 
     /**
-     * Returns the anonymous user
+     * Returns the anonymous user.
+     *
      * @return User|null
      */
     public function getAnonymousUser()
     {
         return $this->findOneBy([
-                'id' => User::ID_ANONYMOUS
+                'id' => User::ID_ANONYMOUS,
             ]);
     }
 
diff --git a/src/Security/Annotations/ColumnSecurity.php b/src/Security/Annotations/ColumnSecurity.php
index b40fd320..381e62a7 100644
--- a/src/Security/Annotations/ColumnSecurity.php
+++ b/src/Security/Annotations/ColumnSecurity.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Annotations;
@@ -25,7 +24,7 @@ namespace App\Security\Annotations;
 use App\Entity\Base\NamedDBElement;
 use Doctrine\Common\Annotations\Annotation;
 use Doctrine\Common\Collections\ArrayCollection;
-use \InvalidArgumentException;
+use InvalidArgumentException;
 
 /**
  * @Annotation
@@ -52,7 +51,7 @@ class ColumnSecurity
     public $prefix = '';
 
     /**
-     * @var string The placeholder that should be used, when the access to the property is denied.
+     * @var string the placeholder that should be used, when the access to the property is denied
      */
     public $placeholder = null;
 
@@ -88,15 +87,15 @@ class ColumnSecurity
         if (class_exists($this->type)) {
             $object = new $this->type();
             if ($object instanceof NamedDBElement) {
-                if (is_string($this->placeholder) && $this->placeholder !== "") {
+                if (\is_string($this->placeholder) && '' !== $this->placeholder) {
                     $object->setName($this->placeholder);
                 }
                 $object->setName('???');
             }
+
             return $object;
         }
 
-
         if (null === $this->placeholder) {
             switch ($this->type) {
                 case 'integer':
@@ -113,6 +112,7 @@ class ColumnSecurity
                     return false;
                 case 'datetime':
                     $date = new \DateTime();
+
                     return $date->setTimestamp(0);
                 default:
                     throw new InvalidArgumentException('Unknown type! You have to specify a placeholder!');
diff --git a/src/Security/EntityListeners/ElementPermissionListener.php b/src/Security/EntityListeners/ElementPermissionListener.php
index 4e3033b5..ff5b4c70 100644
--- a/src/Security/EntityListeners/ElementPermissionListener.php
+++ b/src/Security/EntityListeners/ElementPermissionListener.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\EntityListeners;
@@ -25,12 +24,9 @@ namespace App\Security\EntityListeners;
 use App\Entity\Base\DBElement;
 use App\Security\Annotations\ColumnSecurity;
 use Doctrine\Common\Annotations\Reader;
-use Doctrine\Common\Collections\Collection;
 use Doctrine\Common\Persistence\Event\LifecycleEventArgs;
-use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\Event\PreFlushEventArgs;
-use Doctrine\ORM\Event\PreUpdateEventArgs;
 use Doctrine\ORM\Mapping as ORM;
 use Doctrine\ORM\Mapping\PostLoad;
 use Doctrine\ORM\Mapping\PreUpdate;
@@ -42,7 +38,7 @@ use Symfony\Component\Security\Core\Security;
  * The purpose of this class is to hook into the doctrine entity lifecycle and restrict access to entity informations
  * configured by ColoumnSecurity Annotation.
  * If the current programm is running from CLI (like a CLI command), the security checks are disabled.
- * (Commands should be able to do everything they like)
+ * (Commands should be able to do everything they like).
  *
  * If a user does not have access to an coloumn, it will be filled, with a placeholder, after doctrine loading is finished.
  * The edit process is also catched, so that these placeholders, does not get saved to database.
@@ -65,12 +61,12 @@ class ElementPermissionListener
 
     /**
      * This function checks if the current script is run from web or from a terminal.
+     *
      * @return bool Returns true if the current programm is running from CLI (terminal)
      */
     protected function isRunningFromCLI()
     {
-
-        if (empty($_SERVER['REMOTE_ADDR']) && !isset($_SERVER['HTTP_USER_AGENT']) && count($_SERVER['argv']) > 0) {
+        if (empty($_SERVER['REMOTE_ADDR']) && !isset($_SERVER['HTTP_USER_AGENT']) && \count($_SERVER['argv']) > 0) {
             return true;
         }
 
@@ -163,7 +159,6 @@ class ElementPermissionListener
                         $property->setValue($element, $old_data[$property->getName()]);
                         $changed = true;
                     }
-
                 }
 
                 if ($changed) {
diff --git a/src/Security/Interfaces/HasPermissionsInterface.php b/src/Security/Interfaces/HasPermissionsInterface.php
index eaf6b322..9e533ca9 100644
--- a/src/Security/Interfaces/HasPermissionsInterface.php
+++ b/src/Security/Interfaces/HasPermissionsInterface.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Interfaces;
 
-
 use App\Entity\UserSystem\PermissionsEmbed;
 
 interface HasPermissionsInterface
diff --git a/src/Security/UserChecker.php b/src/Security/UserChecker.php
index e3c73674..17216bb6 100644
--- a/src/Security/UserChecker.php
+++ b/src/Security/UserChecker.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security;
 
-
 use App\Entity\UserSystem\User;
 use Symfony\Component\Security\Core\Exception\AccountStatusException;
 use Symfony\Component\Security\Core\Exception\DisabledException;
 use Symfony\Component\Security\Core\User\UserCheckerInterface;
 use Symfony\Component\Security\Core\User\UserInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
-use Throwable;
 
 class UserChecker implements UserCheckerInterface
 {
@@ -66,4 +63,4 @@ class UserChecker implements UserCheckerInterface
             throw new DisabledException();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Security/Voter/AttachmentVoter.php b/src/Security/Voter/AttachmentVoter.php
index 06f510dc..b0a2f89f 100644
--- a/src/Security/Voter/AttachmentVoter.php
+++ b/src/Security/Voter/AttachmentVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,25 +17,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\UserSystem\User;
 
 class AttachmentVoter extends ExtendedVoter
 {
-
     /**
      * Similar to voteOnAttribute, but checking for the anonymous user is already done.
      * The current user (or the anonymous user) is passed by $user.
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
      *
      * @return bool
      */
@@ -50,16 +46,16 @@ class AttachmentVoter extends ExtendedVoter
      * Determines if the attribute and subject are supported by this voter.
      *
      * @param string $attribute An attribute
-     * @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
+     * @param mixed  $subject   The subject to secure, e.g. an object the user wants to access or any other PHP type
      *
      * @return bool True if the attribute and subject are supported, false otherwise
      */
     protected function supports($attribute, $subject)
     {
         if ($subject instanceof Attachment) {
-            return in_array($attribute, $this->resolver->listOperationsForPermission('parts_attachments'), false);
+            return \in_array($attribute, $this->resolver->listOperationsForPermission('parts_attachments'), false);
         }
 
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Security/Voter/ExtendedVoter.php b/src/Security/Voter/ExtendedVoter.php
index 3639acca..63b2efbb 100644
--- a/src/Security/Voter/ExtendedVoter.php
+++ b/src/Security/Voter/ExtendedVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
@@ -51,7 +50,7 @@ abstract class ExtendedVoter extends Voter
         $user = $token->getUser();
 
         //An allowed user is not allowed to do anything...
-        if($user instanceof User && $user->isDisabled()) {
+        if ($user instanceof User && $user->isDisabled()) {
             return false;
         }
 
@@ -72,9 +71,6 @@ abstract class ExtendedVoter extends Voter
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
-     *
-     * @return bool
      */
     abstract protected function voteOnUser($attribute, $subject, User $user): bool;
 }
diff --git a/src/Security/Voter/GroupVoter.php b/src/Security/Voter/GroupVoter.php
index 264537bf..07488940 100644
--- a/src/Security/Voter/GroupVoter.php
+++ b/src/Security/Voter/GroupVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,32 +17,28 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
 
-
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 
 class GroupVoter extends ExtendedVoter
 {
-
     /**
      * Similar to voteOnAttribute, but checking for the anonymous user is already done.
      * The current user (or the anonymous user) is passed by $user.
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
      *
      * @return bool
      */
     protected function voteOnUser($attribute, $subject, User $user): bool
     {
         if ($subject instanceof Group) {
-            return $this->resolver->inherit($user,'groups', $attribute) ?? false;
+            return $this->resolver->inherit($user, 'groups', $attribute) ?? false;
         }
 
         return false;
@@ -52,7 +48,7 @@ class GroupVoter extends ExtendedVoter
      * Determines if the attribute and subject are supported by this voter.
      *
      * @param string $attribute An attribute
-     * @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
+     * @param mixed  $subject   The subject to secure, e.g. an object the user wants to access or any other PHP type
      *
      * @return bool True if the attribute and subject are supported, false otherwise
      */
@@ -64,4 +60,4 @@ class GroupVoter extends ExtendedVoter
 
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Security/Voter/PartVoter.php b/src/Security/Voter/PartVoter.php
index ea339778..47092463 100644
--- a/src/Security/Voter/PartVoter.php
+++ b/src/Security/Voter/PartVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
@@ -46,7 +45,7 @@ class PartVoter extends ExtendedVoter
             if (false !== strpos($attribute, '.')) {
                 [$perm, $op] = explode('.', $attribute);
 
-                return $this->resolver->isValidOperation('parts_' . $perm, $op);
+                return $this->resolver->isValidOperation('parts_'.$perm, $op);
             }
 
             return $this->resolver->isValidOperation('parts', $attribute);
diff --git a/src/Security/Voter/PermissionVoter.php b/src/Security/Voter/PermissionVoter.php
index 85c99a78..5ab14cab 100644
--- a/src/Security/Voter/PermissionVoter.php
+++ b/src/Security/Voter/PermissionVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,29 +17,24 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
 
-
 use App\Entity\UserSystem\User;
 
 /**
  * This voter allows you to directly check permissions from the permission structure, without passing an object.
  * However you should use the "normal" object based voters if possible, because they are needed for a future ACL system.
- * @package App\Security\Voter
  */
 class PermissionVoter extends ExtendedVoter
 {
-
     /**
      * Similar to voteOnAttribute, but checking for the anonymous user is already done.
      * The current user (or the anonymous user) is passed by $user.
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
      *
      * @return bool
      */
@@ -47,6 +42,7 @@ class PermissionVoter extends ExtendedVoter
     {
         $attribute = ltrim($attribute, '@');
         [$perm, $op] = explode('.', $attribute);
+
         return $this->resolver->inherit($user, $perm, $op);
     }
 
@@ -54,7 +50,7 @@ class PermissionVoter extends ExtendedVoter
      * Determines if the attribute and subject are supported by this voter.
      *
      * @param string $attribute An attribute
-     * @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
+     * @param mixed  $subject   The subject to secure, e.g. an object the user wants to access or any other PHP type
      *
      * @return bool True if the attribute and subject are supported, false otherwise
      */
@@ -64,9 +60,10 @@ class PermissionVoter extends ExtendedVoter
         if (preg_match('/^@\\w+\\.\\w+$/', $attribute)) {
             $attribute = ltrim($attribute, '@');
             [$perm, $op] = explode('.', $attribute);
+
             return $this->resolver->isValidOperation($perm, $op);
         }
 
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Security/Voter/StructureVoter.php b/src/Security/Voter/StructureVoter.php
index 98508de8..34276672 100644
--- a/src/Security/Voter/StructureVoter.php
+++ b/src/Security/Voter/StructureVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Devices\Device;
 use App\Entity\Parts\Category;
@@ -36,33 +34,33 @@ use App\Entity\UserSystem\User;
 
 class StructureVoter extends ExtendedVoter
 {
-
     /**
      * Determines if the attribute and subject are supported by this voter.
      *
      * @param string $attribute An attribute
-     * @param mixed $subject The subject to secure, e.g. an object the user wants to access or any other PHP type
+     * @param mixed  $subject   The subject to secure, e.g. an object the user wants to access or any other PHP type
      *
      * @return bool True if the attribute and subject are supported, false otherwise
      */
     protected function supports($attribute, $subject)
     {
-        if(is_object($subject)) {
+        if (\is_object($subject)) {
             $permission_name = $this->instanceToPermissionName($subject);
             //If permission name is null, then the subject is not supported
-            return ($permission_name !== null) && $this->resolver->isValidOperation($permission_name, $attribute);
+            return (null !== $permission_name) && $this->resolver->isValidOperation($permission_name, $attribute);
         }
-
     }
 
     /**
      * Maps a instance type to the permission name.
+     *
      * @param $subject mixed The subject for which the permission name should be generated.
+     *
      * @return string|null The name of the permission for the subject's type or null, if the subject is not supported.
      */
-    protected function instanceToPermissionName($subject) : ?string
+    protected function instanceToPermissionName($subject): ?string
     {
-        $class_name = get_class($subject);
+        $class_name = \get_class($subject);
         switch ($class_name) {
             case AttachmentType::class:
                 return 'attachment_types';
@@ -93,7 +91,6 @@ class StructureVoter extends ExtendedVoter
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
      *
      * @return bool
      */
@@ -103,6 +100,4 @@ class StructureVoter extends ExtendedVoter
         //Just resolve the permission
         return $this->resolver->inherit($user, $permission_name, $attribute) ?? false;
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Security/Voter/UserVoter.php b/src/Security/Voter/UserVoter.php
index b3d46f78..698b1186 100644
--- a/src/Security/Voter/UserVoter.php
+++ b/src/Security/Voter/UserVoter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Security\Voter;
@@ -37,7 +36,7 @@ class UserVoter extends ExtendedVoter
     protected function supports($attribute, $subject)
     {
         if ($subject instanceof User) {
-            return in_array($attribute, array_merge(
+            return \in_array($attribute, array_merge(
                 $this->resolver->listOperationsForPermission('users'),
                 $this->resolver->listOperationsForPermission('self')),
             false
@@ -53,9 +52,6 @@ class UserVoter extends ExtendedVoter
      *
      * @param $attribute
      * @param $subject
-     * @param User $user
-     *
-     * @return bool
      */
     protected function voteOnUser($attribute, $subject, User $user): bool
     {
diff --git a/src/Services/AmountFormatter.php b/src/Services/AmountFormatter.php
index feeb30ce..a45952d2 100644
--- a/src/Services/AmountFormatter.php
+++ b/src/Services/AmountFormatter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\Parts\MeasurementUnit;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * This service formats an part amout using a Measurement Unit.
- * @package App\Services
  */
 class AmountFormatter
 {
@@ -44,31 +41,37 @@ class AmountFormatter
     {
         $resolver->setDefaults([
             'show_prefix' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->isUseSIPrefix();
                 }
+
                 return false;
             },
             'is_integer' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->isInteger();
                 }
+
                 return true;
             },
             'unit' => function (Options $options) {
-                if ($options['measurement_unit'] !== null) {
+                if (null !== $options['measurement_unit']) {
                     /** @var MeasurementUnit $unit */
                     $unit = $options['measurement_unit'];
+
                     return $unit->getUnit();
                 }
+
                 return '';
             },
             'decimals' => 2,
-            'error_mapping' => [ '.' => 'value']
+            'error_mapping' => ['.' => 'value'],
         ]);
 
         $resolver->setAllowedTypes('decimals', 'int');
@@ -78,17 +81,20 @@ class AmountFormatter
             if ($options['is_integer']) {
                 return 0;
             }
+
             return $value;
         });
     }
 
     /**
      * Formats the given value using the measurement unit and options.
+     *
      * @param $value float|int The value that should be formatted. Must be numeric.
      * @param MeasurementUnit|null $unit The measurement unit, whose unit symbol should be used for formatting.
-     *              If set to null, it is assumed that the part amount is measured in pieces.
-     * @param array $options
+     *                                   If set to null, it is assumed that the part amount is measured in pieces.
+     *
      * @return string The formatted string
+     *
      * @throws \InvalidArgumentException Thrown if $value is not numeric.
      */
     public function format($value, ?MeasurementUnit $unit = null, array $options = [])
@@ -116,10 +122,11 @@ class AmountFormatter
 
         //Otherwise just output it
         if (!empty($options['unit'])) {
-            $format_string = '%.' . $options['decimals'] . 'f ' . $options['unit'];
+            $format_string = '%.'.$options['decimals'].'f '.$options['unit'];
         } else { //Dont add space after number if no unit was specified
-            $format_string = '%.' . $options['decimals'] . 'f';
+            $format_string = '%.'.$options['decimals'].'f';
         }
+
         return sprintf($format_string, $value);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/AttachmentManager.php b/src/Services/Attachments/AttachmentManager.php
index 7fe5b02a..52037864 100644
--- a/src/Services/Attachments/AttachmentManager.php
+++ b/src/Services/Attachments/AttachmentManager.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,29 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
-
 use App\Entity\Attachments\Attachment;
-use App\Entity\Attachments\AttachmentContainingDBElement;
-use App\Entity\Attachments\AttachmentTypeAttachment;
-use App\Entity\Attachments\CategoryAttachment;
-use App\Entity\Attachments\CurrencyAttachment;
-use App\Entity\Attachments\DeviceAttachment;
-use App\Entity\Attachments\FootprintAttachment;
-use App\Entity\Attachments\GroupAttachment;
-use App\Entity\Attachments\ManufacturerAttachment;
-use App\Entity\Attachments\MeasurementUnitAttachment;
-use App\Entity\Attachments\PartAttachment;
-use App\Entity\Attachments\StorelocationAttachment;
-use App\Entity\Attachments\SupplierAttachment;
-use App\Entity\Attachments\UserAttachment;
-use App\Services\Attachments\AttachmentPathResolver;
-use Symfony\Component\HttpFoundation\File\UploadedFile;
-use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * This service contains basic commonly used functions to work with attachments.
@@ -47,11 +29,9 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  * (like filesize or if a file is existing).
  *
  * Special operations like getting attachment urls or handling file uploading/downloading are in their own services.
- * @package App\Services
  */
 class AttachmentManager
 {
-
     protected $pathResolver;
 
     public function __construct(AttachmentPathResolver $pathResolver)
@@ -61,11 +41,13 @@ class AttachmentManager
 
     /**
      * Gets an SPLFileInfo object representing the file associated with the attachment.
+     *
      * @param Attachment $attachment The attachment for which the file should be generated
+     *
      * @return \SplFileInfo|null The fileinfo for the attachment file. Null, if the attachment is external or has
-     * invalid file.
+     *                           invalid file.
      */
-    public function attachmentToFile(Attachment $attachment) : ?\SplFileInfo
+    public function attachmentToFile(Attachment $attachment): ?\SplFileInfo
     {
         if ($attachment->isExternal() || !$this->isFileExisting($attachment)) {
             return null;
@@ -77,7 +59,9 @@ class AttachmentManager
     /**
      * Returns the absolute filepath of the attachment. Null is returned, if the attachment is externally saved,
      * or is not existing.
+     *
      * @param Attachment $attachment The attachment for which the filepath should be determined
+     *
      * @return string|null
      */
     public function toAbsoluteFilePath(Attachment $attachment): ?string
@@ -93,15 +77,16 @@ class AttachmentManager
         $path = $this->pathResolver->placeholderToRealPath($attachment->getPath());
 
         //realpath does not work with null as argument
-        if ($path === null) {
+        if (null === $path) {
             return null;
         }
 
         $tmp = realpath($path);
         //If path is not existing realpath returns false.
-        if ($tmp === false) {
+        if (false === $tmp) {
             return null;
         }
+
         return $tmp;
     }
 
@@ -127,6 +112,7 @@ class AttachmentManager
      * For external attachments or not existing attachments, null is returned.
      *
      * @param Attachment $attachment The filesize for which the filesize should be calculated.
+     *
      * @return int|null
      */
     public function getFileSize(Attachment $attachment): ?int
@@ -140,22 +126,23 @@ class AttachmentManager
         }
 
         $tmp = filesize($this->toAbsoluteFilePath($attachment));
-        return  $tmp !== false ? $tmp : null;
+
+        return  false !== $tmp ? $tmp : null;
     }
 
     /**
      * Returns a human readable version of the attachment file size.
      * For external attachments, null is returned.
      *
-     * @param Attachment $attachment
      * @param int $decimals The number of decimals numbers that should be printed
+     *
      * @return string|null A string like 1.3M
      */
     public function getHumanFileSize(Attachment $attachment, $decimals = 2): ?string
     {
         $bytes = $this->getFileSize($attachment);
 
-        if ($bytes == null) {
+        if (null == $bytes) {
             return null;
         }
 
@@ -163,7 +150,8 @@ class AttachmentManager
         //Taken from: https://www.php.net/manual/de/function.filesize.php#106569 and slightly modified
 
         $sz = 'BKMGTP';
-        $factor = (int) floor((strlen($bytes) - 1) / 3);
-        return sprintf("%.{$decimals}f", $bytes / 1024 ** $factor) . @$sz[$factor];
+        $factor = (int) floor((\strlen($bytes) - 1) / 3);
+
+        return sprintf("%.{$decimals}f", $bytes / 1024 ** $factor).@$sz[$factor];
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/AttachmentPathResolver.php b/src/Services/Attachments/AttachmentPathResolver.php
index f82e9016..0882a6e1 100644
--- a/src/Services/Attachments/AttachmentPathResolver.php
+++ b/src/Services/Attachments/AttachmentPathResolver.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
-
 use Symfony\Component\Filesystem\Filesystem;
-use Symfony\Component\HttpKernel\KernelInterface;
 
 /**
  * This service converts the relative pathes for attachments saved in database (like %MEDIA%/img.jpg) to real pathes
  * an vice versa.
- * @package App\Services\Attachments
  */
 class AttachmentPathResolver
 {
@@ -47,11 +43,12 @@ class AttachmentPathResolver
 
     /**
      * AttachmentPathResolver constructor.
-     * @param string $project_dir The kernel that should be used to resolve the project dir.
-     * @param string $media_path The path where uploaded attachments should be stored.
+     *
+     * @param string      $project_dir     The kernel that should be used to resolve the project dir.
+     * @param string      $media_path      The path where uploaded attachments should be stored.
      * @param string|null $footprints_path The path where builtin attachments are stored.
-     * Set to null if this ressource should be disabled.
-     * @param string|null $models_path Set to null if this ressource should be disabled.
+     *                                     Set to null if this ressource should be disabled.
+     * @param string|null $models_path     Set to null if this ressource should be disabled.
      */
     public function __construct(string $project_dir, string $media_path, string $secure_path, ?string $footprints_path, ?string $models_path)
     {
@@ -69,7 +66,7 @@ class AttachmentPathResolver
 
         //Remove all disabled placeholders
         foreach ($this->pathes as $key => $path) {
-            if ($path === null) {
+            if (null === $path) {
                 unset($this->placeholders[$key], $this->pathes[$key]);
             }
         }
@@ -82,13 +79,16 @@ class AttachmentPathResolver
     /**
      * Converts a path passed by parameter from services.yaml (which can be an absolute path or relative to project dir)
      * to an absolute path. When a relative path is passed, the directory must exist or null is returned.
+     *
      * @internal
+     *
      * @param string|null $param_path The parameter value that should be converted to a absolute path
+     *
      * @return string|null
      */
-    public function parameterToAbsolutePath(?string $param_path) : ?string
+    public function parameterToAbsolutePath(?string $param_path): ?string
     {
-        if ($param_path === null) {
+        if (null === $param_path) {
             return null;
         }
 
@@ -97,17 +97,18 @@ class AttachmentPathResolver
         if ($fs->isAbsolutePath($param_path)) {
             $tmp = realpath($param_path);
             //Disable ressource if path is not existing
-            if ($tmp === false) {
+            if (false === $tmp) {
                 return null;
             }
+
             return $tmp;
         }
 
         //Otherwise prepend the project path
-        $tmp = realpath($this->project_dir . DIRECTORY_SEPARATOR . $param_path);
+        $tmp = realpath($this->project_dir.\DIRECTORY_SEPARATOR.$param_path);
 
         //If path does not exist then disable the placeholder
-        if ($tmp === false) {
+        if (false === $tmp) {
             return null;
         }
 
@@ -119,38 +120,39 @@ class AttachmentPathResolver
      * Create an array usable for preg_replace out of an array of placeholders or pathes.
      * Slashes and other chars become escaped.
      * For example: '%TEST%' becomes '/^%TEST%/'.
-     * @param array $array
+     *
      * @return array
      */
-    protected function arrayToRegexArray(array $array) : array
+    protected function arrayToRegexArray(array $array): array
     {
         $ret = [];
 
         foreach ($array as $item) {
             $item = str_replace(['\\'], ['/'], $item);
-            $ret[] = '/' . preg_quote($item, '/') . '/';
+            $ret[] = '/'.preg_quote($item, '/').'/';
         }
 
         return $ret;
     }
 
-
     /**
      * Converts an relative placeholder filepath (with %MEDIA% or older %BASE%) to an absolute filepath on disk.
-     * The directory separator is always /. Relative pathes are not realy possible (.. is striped)
+     * The directory separator is always /. Relative pathes are not realy possible (.. is striped).
+     *
      * @param string $placeholder_path The filepath with placeholder for which the real path should be determined.
+     *
      * @return string|null The absolute real path of the file, or null if the placeholder path is invalid
      */
-    public function placeholderToRealPath(string $placeholder_path) : ?string
+    public function placeholderToRealPath(string $placeholder_path): ?string
     {
         //The new attachments use %MEDIA% as placeholders, which is the directory set in media_directory
         //Older path entries are given via %BASE% which was the project root
 
         $count = 0;
-        $placeholder_path = preg_replace($this->placeholders_regex, $this->pathes, $placeholder_path,-1,$count);
+        $placeholder_path = preg_replace($this->placeholders_regex, $this->pathes, $placeholder_path, -1, $count);
 
         //A valid placeholder can have only one
-        if ($count !== 1) {
+        if (1 !== $count) {
             return null;
         }
 
@@ -160,7 +162,7 @@ class AttachmentPathResolver
         }
 
         //Path is invalid if path is directory traversal
-        if (strpos($placeholder_path, '..') !== false) {
+        if (false !== strpos($placeholder_path, '..')) {
             return null;
         }
 
@@ -172,12 +174,14 @@ class AttachmentPathResolver
 
     /**
      * Converts an real absolute filepath to a placeholder version.
-     * @param string $real_path The absolute path, for which the placeholder version should be generated.
-     * @param bool $old_version By default the %MEDIA% placeholder is used, which is directly replaced with the
-     * media directory. If set to true, the old version with %BASE% will be used, which is the project directory.
+     *
+     * @param string $real_path   The absolute path, for which the placeholder version should be generated.
+     * @param bool   $old_version By default the %MEDIA% placeholder is used, which is directly replaced with the
+     *                            media directory. If set to true, the old version with %BASE% will be used, which is the project directory.
+     *
      * @return string The placeholder version of the filepath
      */
-    public function realPathToPlaceholder(string $real_path, bool $old_version = false) : ?string
+    public function realPathToPlaceholder(string $real_path, bool $old_version = false): ?string
     {
         $count = 0;
 
@@ -194,7 +198,7 @@ class AttachmentPathResolver
             $real_path = preg_replace($this->pathes_regex, $this->placeholders, $real_path, -1, $count);
         }
 
-        if ($count !== 1) {
+        if (1 !== $count) {
             return null;
         }
 
@@ -208,9 +212,10 @@ class AttachmentPathResolver
 
     /**
      * The path where uploaded attachments is stored.
+     *
      * @return string The absolute path to the media folder.
      */
-    public function getMediaPath() : string
+    public function getMediaPath(): string
     {
         return $this->media_path;
     }
@@ -218,28 +223,31 @@ class AttachmentPathResolver
     /**
      * The path where secured attachments are stored. Must not be located in public/ folder, so it can only be accessed
      * via the attachment controller.
+     *
      * @return string The absolute path to the secure path.
      */
-    public function getSecurePath() : string
+    public function getSecurePath(): string
     {
         return $this->secure_path;
     }
 
     /**
-     * The string where the builtin footprints are stored
+     * The string where the builtin footprints are stored.
+     *
      * @return string|null The absolute path to the footprints folder. Null if built footprints were disabled.
      */
-    public function getFootprintsPath() : ?string
+    public function getFootprintsPath(): ?string
     {
         return $this->footprints_path;
     }
 
     /**
-     * The string where the builtin 3D models are stored
+     * The string where the builtin 3D models are stored.
+     *
      * @return string|null The absolute path to the models folder. Null if builtin models were disabled.
      */
-    public function getModelsPath() : ?string
+    public function getModelsPath(): ?string
     {
         return $this->models_path;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/AttachmentReverseSearch.php b/src/Services/Attachments/AttachmentReverseSearch.php
index 509c36d2..9ca18f15 100644
--- a/src/Services/Attachments/AttachmentReverseSearch.php
+++ b/src/Services/Attachments/AttachmentReverseSearch.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,11 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
 use App\Entity\Attachments\Attachment;
-use App\Services\Attachments\AttachmentPathResolver;
-use App\Services\Attachments\AttachmentURLGenerator;
 use Doctrine\ORM\EntityManagerInterface;
 use Liip\ImagineBundle\Imagine\Cache\CacheManager;
 use Symfony\Component\Filesystem\Filesystem;
@@ -32,7 +29,6 @@ use Symfony\Component\HttpFoundation\File\File;
 
 /**
  * This service provides functions to find attachments via an reverse search based on a file.
- * @package App\Services
  */
 class AttachmentReverseSearch
 {
@@ -51,11 +47,13 @@ class AttachmentReverseSearch
     }
 
     /**
-     * Find all attachments that use the given file
+     * Find all attachments that use the given file.
+     *
      * @param \SplFileInfo $file The file for which is searched
+     *
      * @return Attachment[] An list of attachments that use the given file.
      */
-    public function findAttachmentsByFile(\SplFileInfo $file) : array
+    public function findAttachmentsByFile(\SplFileInfo $file): array
     {
         //Path with %MEDIA%
         $relative_path_new = $this->pathResolver->realPathToPlaceholder($file->getPathname());
@@ -63,20 +61,22 @@ class AttachmentReverseSearch
         $relative_path_old = $this->pathResolver->realPathToPlaceholder($file->getPathname(), true);
 
         $repo = $this->em->getRepository(Attachment::class);
+
         return $repo->findBy(['path' => [$relative_path_new, $relative_path_old]]);
     }
 
     /**
-     * Deletes the given file if it is not used by more than $threshold attachments
-     * @param \SplFileInfo $file The file that should be removed
-     * @param int $threshold The threshold used, to determine if a file should be deleted or not.
+     * Deletes the given file if it is not used by more than $threshold attachments.
+     *
+     * @param \SplFileInfo $file      The file that should be removed
+     * @param int          $threshold The threshold used, to determine if a file should be deleted or not.
+     *
      * @return bool True, if the file was delete. False if not.
      */
-    public function deleteIfNotUsed(\SplFileInfo $file, int $threshold = 1) : bool
+    public function deleteIfNotUsed(\SplFileInfo $file, int $threshold = 1): bool
     {
-
         /* When the file is used more then $threshold times, don't delete it */
-        if (count($this->findAttachmentsByFile($file)) > $threshold) {
+        if (\count($this->findAttachmentsByFile($file)) > $threshold) {
             return false;
         }
 
@@ -86,8 +86,6 @@ class AttachmentReverseSearch
         $fs = new Filesystem();
         $fs->remove($file);
 
-
-
         return true;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/AttachmentSubmitHandler.php b/src/Services/Attachments/AttachmentSubmitHandler.php
index a49f7b2b..b26c0919 100644
--- a/src/Services/Attachments/AttachmentSubmitHandler.php
+++ b/src/Services/Attachments/AttachmentSubmitHandler.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentContainingDBElement;
 use App\Entity\Attachments\AttachmentTypeAttachment;
@@ -38,14 +36,8 @@ use App\Entity\Attachments\StorelocationAttachment;
 use App\Entity\Attachments\SupplierAttachment;
 use App\Entity\Attachments\UserAttachment;
 use App\Exceptions\AttachmentDownloadException;
-use App\Services\Attachments\AttachmentManager;
-use Doctrine\Common\Annotations\IndexedReader;
-use Nyholm\Psr7\Request;
 use Symfony\Component\Filesystem\Filesystem;
-use Symfony\Component\HttpClient\HttpClient;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
-use Symfony\Component\Mime\MimeTypeGuesserInterface;
-use Symfony\Component\Mime\MimeTypes;
 use Symfony\Component\Mime\MimeTypesInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
@@ -53,7 +45,6 @@ use Symfony\Contracts\HttpClient\HttpClientInterface;
 
 /**
  * This service handles the form submitting of an attachment and handles things like file uploading and downloading.
- * @package App\Services\Attachments
  */
 class AttachmentSubmitHandler
 {
@@ -63,7 +54,7 @@ class AttachmentSubmitHandler
     protected $httpClient;
     protected $mimeTypes;
 
-    public function __construct (AttachmentPathResolver $pathResolver, bool $allow_attachments_downloads,
+    public function __construct(AttachmentPathResolver $pathResolver, bool $allow_attachments_downloads,
                                 HttpClientInterface $httpClient, MimeTypesInterface $mimeTypes)
     {
         $this->pathResolver = $pathResolver;
@@ -77,10 +68,10 @@ class AttachmentSubmitHandler
             DeviceAttachment::class => 'device', FootprintAttachment::class => 'footprint',
             GroupAttachment::class => 'group', ManufacturerAttachment::class => 'manufacturer',
             MeasurementUnitAttachment::class => 'measurement_unit', StorelocationAttachment::class => 'storelocation',
-            SupplierAttachment::class => 'supplier', UserAttachment::class => 'user'];
+            SupplierAttachment::class => 'supplier', UserAttachment::class => 'user', ];
     }
 
-    protected function configureOptions(OptionsResolver $resolver) : void
+    protected function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             //If no preview image was set yet, the new uploaded file will become the preview image
@@ -94,11 +85,13 @@ class AttachmentSubmitHandler
     /**
      * Generates a filename for the given attachment and extension.
      * The filename contains a random id, so every time this function is called you get an unique name.
+     *
      * @param Attachment $attachment The attachment that should be used for generating an attachment
-     * @param string $extension The extension that the new file should have (must only contain chars allowed in pathes)
+     * @param string     $extension  The extension that the new file should have (must only contain chars allowed in pathes)
+     *
      * @return string The new filename.
      */
-    public function generateAttachmentFilename(Attachment $attachment, string $extension) : string
+    public function generateAttachmentFilename(Attachment $attachment, string $extension): string
     {
         //Normalize extension
         $extension = transliterator_transliterate(
@@ -112,16 +105,18 @@ class AttachmentSubmitHandler
             $attachment->getName()
         );
 
-        return $safeName . '-' . uniqid('', false) . '.' . $extension;
+        return $safeName.'-'.uniqid('', false).'.'.$extension;
     }
 
     /**
      * Generates an (absolute) path to a folder where the given attachment should be stored.
-     * @param Attachment $attachment The attachment that should be used for
-     * @param bool $secure_upload True if the file path should be located in a safe location
+     *
+     * @param Attachment $attachment    The attachment that should be used for
+     * @param bool       $secure_upload True if the file path should be located in a safe location
+     *
      * @return string The absolute path for the attachment folder.
      */
-    public function generateAttachmentPath(Attachment $attachment, bool $secure_upload = false) : string
+    public function generateAttachmentPath(Attachment $attachment, bool $secure_upload = false): string
     {
         if ($secure_upload) {
             $base_path = $this->pathResolver->getSecurePath();
@@ -130,34 +125,32 @@ class AttachmentSubmitHandler
         }
 
         //Ensure the given attachment class is known to mapping
-        if (!isset($this->folder_mapping[get_class($attachment)])) {
-            throw new \InvalidArgumentException(
-                'The given attachment class is not known! The passed class was: ' . get_class($attachment)
-            );
+        if (!isset($this->folder_mapping[\get_class($attachment)])) {
+            throw new \InvalidArgumentException('The given attachment class is not known! The passed class was: '.\get_class($attachment));
         }
         //Ensure the attachment has an assigned element
-        if ($attachment->getElement() === null) {
-            throw new \InvalidArgumentException(
-                'The given attachment is not assigned to an element! An element is needed to generate a path!'
-            );
+        if (null === $attachment->getElement()) {
+            throw new \InvalidArgumentException('The given attachment is not assigned to an element! An element is needed to generate a path!');
         }
 
         //Build path
         return
-            $base_path . DIRECTORY_SEPARATOR //Base path
-            . $this->folder_mapping[get_class($attachment)] . DIRECTORY_SEPARATOR . $attachment->getElement()->getID();
+            $base_path.\DIRECTORY_SEPARATOR //Base path
+            .$this->folder_mapping[\get_class($attachment)].\DIRECTORY_SEPARATOR.$attachment->getElement()->getID();
     }
 
     /**
      * Handle the submit of an attachment form.
      * This function will move the uploaded file or download the URL file to server, if needed.
-     * @param Attachment $attachment The attachment that should be used for handling.
-     * @param UploadedFile|null $file If given, that file will be moved to the right location
-     * @param array $options The options to use with the upload. Here you can specify that an URL should be downloaded,
-     * or an file should be moved to a secure location.
+     *
+     * @param Attachment        $attachment The attachment that should be used for handling.
+     * @param UploadedFile|null $file       If given, that file will be moved to the right location
+     * @param array             $options    The options to use with the upload. Here you can specify that an URL should be downloaded,
+     *                                      or an file should be moved to a secure location.
+     *
      * @return Attachment The attachment with the new filename (same instance as passed $attachment)
      */
-    public function handleFormSubmit(Attachment $attachment, ?UploadedFile $file, array $options = []) : Attachment
+    public function handleFormSubmit(Attachment $attachment, ?UploadedFile $file, array $options = []): Attachment
     {
         $resolver = new OptionsResolver();
         $this->configureOptions($resolver);
@@ -175,9 +168,9 @@ class AttachmentSubmitHandler
 
         //Check if we should assign this attachment to master picture
         //this is only possible if the attachment is new (not yet persisted to DB)
-        if ($options['become_preview_if_empty'] && $attachment->getID() === null && $attachment->isPicture()) {
+        if ($options['become_preview_if_empty'] && null === $attachment->getID() && $attachment->isPicture()) {
             $element = $attachment->getElement();
-            if ($element instanceof AttachmentContainingDBElement && $element->getMasterPictureAttachment() === null) {
+            if ($element instanceof AttachmentContainingDBElement && null === $element->getMasterPictureAttachment()) {
                 $element->setMasterPictureAttachment($attachment);
             }
         }
@@ -187,11 +180,13 @@ class AttachmentSubmitHandler
 
     /**
      * Move the given attachment to secure location (or back to public folder) if needed.
-     * @param Attachment $attachment The attachment for which the file should be moved.
-     * @param bool $secure_location This value determines, if the attachment is moved to the secure or public folder.
+     *
+     * @param Attachment $attachment      The attachment for which the file should be moved.
+     * @param bool       $secure_location This value determines, if the attachment is moved to the secure or public folder.
+     *
      * @return Attachment The attachment with the updated filepath
      */
-    protected function moveFile(Attachment $attachment, bool $secure_location) : Attachment
+    protected function moveFile(Attachment $attachment, bool $secure_location): Attachment
     {
         //We can not do anything on builtins or external ressources
         if ($attachment->isBuiltIn() || $attachment->isExternal()) {
@@ -218,7 +213,7 @@ class AttachmentSubmitHandler
 
         $ext = pathinfo($filename, PATHINFO_EXTENSION);
         $new_path = $this->generateAttachmentPath($attachment, $secure_location)
-            . DIRECTORY_SEPARATOR . $this->generateAttachmentFilename($attachment, $ext);
+            .\DIRECTORY_SEPARATOR.$this->generateAttachmentFilename($attachment, $ext);
 
         //Move file to new directory
         $fs = new Filesystem();
@@ -232,12 +227,13 @@ class AttachmentSubmitHandler
     }
 
     /**
-     * Download the URL set in the attachment and save it on the server
-     * @param Attachment $attachment
+     * Download the URL set in the attachment and save it on the server.
+     *
      * @param array $options The options from the handleFormSubmit function
+     *
      * @return Attachment The attachment with the new filepath
      */
-    protected function downloadURL(Attachment $attachment, array $options) : Attachment
+    protected function downloadURL(Attachment $attachment, array $options): Attachment
     {
         //Check if we are allowed to download files
         if (!$this->allow_attachments_downloads) {
@@ -248,7 +244,7 @@ class AttachmentSubmitHandler
 
         $fs = new Filesystem();
         $attachment_folder = $this->generateAttachmentPath($attachment, $options['secure_attachment']);
-        $tmp_path = $attachment_folder . DIRECTORY_SEPARATOR . $this->generateAttachmentFilename($attachment, 'tmp');
+        $tmp_path = $attachment_folder.\DIRECTORY_SEPARATOR.$this->generateAttachmentFilename($attachment, 'tmp');
 
         try {
             $response = $this->httpClient->request('GET', $url, [
@@ -256,7 +252,7 @@ class AttachmentSubmitHandler
             ]);
 
             if (200 !== $response->getStatusCode()) {
-                throw new AttachmentDownloadException('Status code: ' . $response->getStatusCode());
+                throw new AttachmentDownloadException('Status code: '.$response->getStatusCode());
             }
 
             //Open a temporary file in the attachment folder
@@ -271,7 +267,7 @@ class AttachmentSubmitHandler
             //File download should be finished here, so determine the new filename and extension
             $headers = $response->getHeaders();
             //Try to determine an filename
-            $filename = "";
+            $filename = '';
 
             //If an content disposition header was set try to extract the filename out of it
             if (isset($headers['content-disposition'])) {
@@ -281,7 +277,7 @@ class AttachmentSubmitHandler
             }
 
             //If we dont know filename yet, try to determine it out of url
-            if ($filename === "") {
+            if ('' === $filename) {
                 $filename = basename(parse_url($url, PHP_URL_PATH));
             }
 
@@ -297,14 +293,13 @@ class AttachmentSubmitHandler
             }
 
             //Rename the file to its new name and save path to attachment entity
-            $new_path = $attachment_folder . DIRECTORY_SEPARATOR . $this->generateAttachmentFilename($attachment, $new_ext);
+            $new_path = $attachment_folder.\DIRECTORY_SEPARATOR.$this->generateAttachmentFilename($attachment, $new_ext);
             $fs->rename($tmp_path, $new_path);
 
             //Make our file path relative to %BASE%
             $new_path = $this->pathResolver->realPathToPlaceholder($new_path);
             //Save the path to the attachment
             $attachment->setPath($new_path);
-
         } catch (TransportExceptionInterface $exception) {
             throw new AttachmentDownloadException('Transport error!');
         }
@@ -313,13 +308,15 @@ class AttachmentSubmitHandler
     }
 
     /**
-     * Moves the given uploaded file to a permanent place and saves it into the attachment
-     * @param Attachment $attachment The attachment in which the file should be saved
-     * @param UploadedFile $file The file which was uploaded
-     * @param array $options The options from the handleFormSubmit function
+     * Moves the given uploaded file to a permanent place and saves it into the attachment.
+     *
+     * @param Attachment   $attachment The attachment in which the file should be saved
+     * @param UploadedFile $file       The file which was uploaded
+     * @param array        $options    The options from the handleFormSubmit function
+     *
      * @return Attachment The attachment with the new filepath
      */
-    protected function upload(Attachment $attachment, UploadedFile $file, array $options) : Attachment
+    protected function upload(Attachment $attachment, UploadedFile $file, array $options): Attachment
     {
         //Move our temporay attachment to its final location
         $file_path = $file->move(
@@ -336,4 +333,4 @@ class AttachmentSubmitHandler
 
         return $attachment;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/AttachmentURLGenerator.php b/src/Services/Attachments/AttachmentURLGenerator.php
index c597ebfc..bfbaeb1f 100644
--- a/src/Services/Attachments/AttachmentURLGenerator.php
+++ b/src/Services/Attachments/AttachmentURLGenerator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
-
 use App\Entity\Attachments\Attachment;
-use App\Services\Attachments\AttachmentManager;
 use Liip\ImagineBundle\Service\FilterService;
-use Symfony\Component\Asset\Package;
 use Symfony\Component\Asset\Packages;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
@@ -49,7 +45,6 @@ class AttachmentURLGenerator
         $this->attachmentHelper = $attachmentHelper;
         $this->filterService = $filterService;
 
-
         //Determine a normalized path to the public folder (assets are relative to this folder)
         $this->public_path = $this->pathResolver->parameterToAbsolutePath('public');
     }
@@ -57,46 +52,46 @@ class AttachmentURLGenerator
     /**
      * Converts the absolute file path to a version relative to the public folder, that can be passed to asset
      * Asset Component functions.
-     * @param string $absolute_path The absolute path that should be converted.
-     * @param string|null $public_path The public path to which the relative pathes should be created.
-     * The path must NOT have a trailing slash!
-     * If this is set to null, the global public/ folder is used.
+     *
+     * @param string      $absolute_path The absolute path that should be converted.
+     * @param string|null $public_path   The public path to which the relative pathes should be created.
+     *                                   The path must NOT have a trailing slash!
+     *                                   If this is set to null, the global public/ folder is used.
+     *
      * @return string|null The relative version of the string. Null if the absolute path was not a child folder
-     * of public path
+     *                     of public path
      */
-    public function absolutePathToAssetPath(string $absolute_path, ?string $public_path = null) : ?string
+    public function absolutePathToAssetPath(string $absolute_path, ?string $public_path = null): ?string
     {
-        if ($public_path === null) {
+        if (null === $public_path) {
             $public_path = $this->public_path;
         }
 
         //Our absolute path must begin with public path or we can not use it for asset pathes.
-        if (strpos($absolute_path, $public_path) !== 0) {
+        if (0 !== strpos($absolute_path, $public_path)) {
             return null;
         }
 
         //Return the part relative after public path.
-        return substr($absolute_path, strlen($public_path) + 1);
+        return substr($absolute_path, \strlen($public_path) + 1);
     }
 
     /**
      * Returns a URL under which the attachment file can be viewed.
-     * @param Attachment $attachment
+     *
      * @return string
      */
-    public function getViewURL(Attachment $attachment) : string
+    public function getViewURL(Attachment $attachment): string
     {
         $absolute_path = $this->attachmentHelper->toAbsoluteFilePath($attachment);
-        if ($absolute_path === null) {
-            throw new \RuntimeException(
-                'The given attachment is external or has no valid file, so no URL can get generated for it!
-                Use Attachment::getURL() to get the external URL!'
-            );
+        if (null === $absolute_path) {
+            throw new \RuntimeException('The given attachment is external or has no valid file, so no URL can get generated for it!
+                Use Attachment::getURL() to get the external URL!');
         }
 
         $asset_path = $this->absolutePathToAssetPath($absolute_path);
         //If path is not relative to public path or marked as secure, serve it via controller
-        if ($asset_path === null || $attachment->isSecure()) {
+        if (null === $asset_path || $attachment->isSecure()) {
             return $this->urlGenerator->generate('attachment_view', ['id' => $attachment->getID()]);
         }
 
@@ -106,11 +101,10 @@ class AttachmentURLGenerator
 
     /**
      * Returns a URL to an thumbnail of the attachment file.
-     * @param Attachment $attachment
-     * @param string $filter_name
+     *
      * @return string
      */
-    public function getThumbnailURL(Attachment $attachment, string $filter_name = 'thumbnail_sm') : string
+    public function getThumbnailURL(Attachment $attachment, string $filter_name = 'thumbnail_sm'): string
     {
         if (!$attachment->isPicture()) {
             throw new \InvalidArgumentException('Thumbnail creation only works for picture attachments!');
@@ -121,21 +115,19 @@ class AttachmentURLGenerator
         }
 
         $absolute_path = $this->attachmentHelper->toAbsoluteFilePath($attachment);
-        if ($absolute_path === null) {
-            throw new \RuntimeException(
-                'The given attachment is external or has no valid file, so no URL can get generated for it!'
-            );
+        if (null === $absolute_path) {
+            throw new \RuntimeException('The given attachment is external or has no valid file, so no URL can get generated for it!');
         }
 
         $asset_path = $this->absolutePathToAssetPath($absolute_path);
         //If path is not relative to public path or marked as secure, serve it via controller
-        if ($asset_path === null || $attachment->isSecure()) {
+        if (null === $asset_path || $attachment->isSecure()) {
             return $this->urlGenerator->generate('attachment_view', ['id' => $attachment->getID()]);
         }
 
         //For builtin ressources it is not useful to create a thumbnail
         //because the footprints images are small and highly optimized already.
-        if ($filter_name === 'thumbnail_md' && $attachment->isBuiltIn()) {
+        if ('thumbnail_md' === $filter_name && $attachment->isBuiltIn()) {
             return $this->assets->getUrl($asset_path);
         }
 
@@ -144,13 +136,13 @@ class AttachmentURLGenerator
     }
 
     /**
-     * Returns a download link to the file associated with the attachment
-     * @param Attachment $attachment
+     * Returns a download link to the file associated with the attachment.
+     *
      * @return string
      */
-    public function getDownloadURL(Attachment $attachment) : string
+    public function getDownloadURL(Attachment $attachment): string
     {
         //Redirect always to download controller, which sets the correct headers for downloading:
         return $this->urlGenerator->generate('attachment_download', ['id' => $attachment->getID()]);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/BuiltinAttachmentsFinder.php b/src/Services/Attachments/BuiltinAttachmentsFinder.php
index 3d23f6b8..929ce858 100644
--- a/src/Services/Attachments/BuiltinAttachmentsFinder.php
+++ b/src/Services/Attachments/BuiltinAttachmentsFinder.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,21 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
 use App\Entity\Attachments\Attachment;
-use App\Services\Attachments\AttachmentPathResolver;
 use Symfony\Component\Finder\Finder;
-use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Contracts\Cache\CacheInterface;
 
 /**
- * This service is used to find builtin attachment ressources
- * @package App\Services
+ * This service is used to find builtin attachment ressources.
  */
 class BuiltinAttachmentsFinder
 {
@@ -50,7 +46,7 @@ class BuiltinAttachmentsFinder
             'limit' => 15,  //Given only 15 entries
             //'allowed_extensions' => [], //Filter the filenames. For example ['jpg', 'jpeg'] to only get jpegs.
             //'placeholders' => Attachment::BUILTIN_PLACEHOLDER, //By default use all builtin ressources,
-            'empty_returns_all' => false //Return the whole list of ressources when empty keyword is given
+            'empty_returns_all' => false, //Return the whole list of ressources when empty keyword is given
         ]);
     }
 
@@ -58,9 +54,10 @@ class BuiltinAttachmentsFinder
      * Returns a list of all builtin ressources.
      * The array is a list of the relative filenames using the %PLACEHOLDERS%.
      * The list contains the files from all configured valid ressoureces.
+     *
      * @return array The list of the ressources, or an empty array if an error happened.
      */
-    public function getListOfRessources() : array
+    public function getListOfRessources(): array
     {
         try {
             return $this->cache->get('attachment_builtin_ressources', function () {
@@ -73,7 +70,7 @@ class BuiltinAttachmentsFinder
                 foreach (Attachment::BUILTIN_PLACEHOLDER as $placeholder) {
                     $tmp = $this->pathResolver->placeholderToRealPath($placeholder);
                     //Ignore invalid/deactivated placeholders:
-                    if ($tmp !== null) {
+                    if (null !== $tmp) {
                         $finder->in($tmp);
                     }
                 }
@@ -93,13 +90,15 @@ class BuiltinAttachmentsFinder
     }
 
     /**
-     * Find all ressources which are matching the given keyword and the specified options
-     * @param string $keyword The keyword you want to search for.
-     * @param array $options Here you can specify some options (see configureOptions for list of options)
+     * Find all ressources which are matching the given keyword and the specified options.
+     *
+     * @param string     $keyword   The keyword you want to search for.
+     * @param array      $options   Here you can specify some options (see configureOptions for list of options)
      * @param array|null $base_list The list from which should be used as base for filtering.
+     *
      * @return array The list of the results matching the specified keyword and options
      */
-    public function find(string $keyword, array $options = [], ?array $base_list = []) : array
+    public function find(string $keyword, array $options = [], ?array $base_list = []): array
     {
         if (empty($base_list)) {
             $base_list = $this->getListOfRessources();
@@ -109,14 +108,12 @@ class BuiltinAttachmentsFinder
         $this->configureOptions($resolver);
         $options = $resolver->resolve($options);
 
-
-
         /*
         if (empty($options['placeholders'])) {
             return [];
         } */
 
-        if ($keyword === '') {
+        if ('' === $keyword) {
             if ($options['empty_returns_all']) {
                 $keyword = '.*';
             } else {
@@ -127,7 +124,7 @@ class BuiltinAttachmentsFinder
             $keyword = preg_quote($keyword, '/');
         }
 
-         /*TODO: Implement placheolder and extension filter */
+        /*TODO: Implement placheolder and extension filter */
         /* if (!empty($options['allowed_extensions'])) {
             $keyword .= "\.(";
             foreach ($options['allowed_extensions'] as $extension) {
@@ -137,9 +134,8 @@ class BuiltinAttachmentsFinder
         } */
 
         //Ignore case
-        $regex = '/.*' . $keyword . '.*/i';
+        $regex = '/.*'.$keyword.'.*/i';
 
         return preg_grep($regex, $base_list);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/FileTypeFilterTools.php b/src/Services/Attachments/FileTypeFilterTools.php
index b009f276..e0b90df3 100644
--- a/src/Services/Attachments/FileTypeFilterTools.php
+++ b/src/Services/Attachments/FileTypeFilterTools.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
@@ -31,11 +30,9 @@ use Symfony\Contracts\Cache\ItemInterface;
  * An servive that helps working with filetype filters (based on the format <input type=file> accept uses.
  * See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/file#Unique_file_type_specifiers for
  * more details.
- * @package App\Services\Attachments
  */
 class FileTypeFilterTools
 {
-
     //The file extensions that will be used for the 'video/*', 'image/*', 'audio/*' placeholders
     //These file formats can be directly played in common browesers
     //Source: https://www.chromium.org/audio-video
@@ -53,17 +50,18 @@ class FileTypeFilterTools
         $this->cache = $cache;
     }
 
-
     /**
      * Check if a filetype filter string is valid.
+     *
      * @param string $filter The filter string that should be validated.
+     *
      * @return bool Returns true, if the string is valid.
      */
-    public function validateFilterString(string $filter) : bool
+    public function validateFilterString(string $filter): bool
     {
         $filter = trim($filter);
         //An empty filter is valid (means no filter applied)
-        if ($filter === '') {
+        if ('' === $filter) {
             return true;
         }
 
@@ -73,7 +71,7 @@ class FileTypeFilterTools
             $element = trim($element);
             if (!preg_match('/^\.\w+$/', $element) // .ext is allowed
                 && !preg_match('/^[-\w.]+\/[-\w.]+/', $element) //Explicit MIME type is allowed
-                && !in_array($element, static::ALLOWED_MIME_PLACEHOLDERS, false)) { //image/* is allowed
+                && !\in_array($element, static::ALLOWED_MIME_PLACEHOLDERS, false)) { //image/* is allowed
                 return false;
             }
         }
@@ -85,10 +83,12 @@ class FileTypeFilterTools
     /**
      * Normalize a filter string. All extensions are converted to lowercase, too much whitespaces are removed.
      * The filter string is not validated.
+     *
      * @param string $filter The filter string that should be normalized.
+     *
      * @return string The normalized filter string
      */
-    public function normalizeFilterString(string $filter) : string
+    public function normalizeFilterString(string $filter): string
     {
         $filter = trim($filter);
         //Replace other separators, with , so we can split it properly
@@ -101,75 +101,80 @@ class FileTypeFilterTools
         foreach ($elements as $key => &$element) {
             $element = trim($element);
             //Remove empty elements
-            if ($element === '') {
+            if ('' === $element) {
                 unset($elements[$key]);
             }
 
             //Convert *.jpg to .jpg
-            if (strpos($element, '*.') === 0) {
+            if (0 === strpos($element, '*.')) {
                 $element = str_replace('*.', '.', $element);
             }
 
             //Convert image to image/*
-            if ($element === 'image' || $element === 'image/') {
+            if ('image' === $element || 'image/' === $element) {
                 $element = 'image/*';
-            } elseif ($element === 'video' || $element === 'video/') {
+            } elseif ('video' === $element || 'video/' === $element) {
                 $element = 'video/*';
-            } elseif ($element === 'audio' || $element === 'audio/') {
+            } elseif ('audio' === $element || 'audio/' === $element) {
                 $element = 'audio/*';
-            } elseif (!preg_match('/^[-\w.]+\/[-\w.*]+/', $element) && strpos($element, '.') !== 0) {
+            } elseif (!preg_match('/^[-\w.]+\/[-\w.*]+/', $element) && 0 !== strpos($element, '.')) {
                 //Convert jpg to .jpg
-                $element = '.' . $element;
+                $element = '.'.$element;
             }
-
         }
 
         $elements = array_unique($elements);
 
-        return implode($elements, ',');
+        return implode(',', $elements);
     }
 
     /**
-     * Get a list of all file extensions that matches the given filter string
+     * Get a list of all file extensions that matches the given filter string.
+     *
      * @param string $filter A valid filetype filter string.
+     *
      * @return string[] An array of allowed extensions ['txt', 'csv', 'gif']
      */
-    public function resolveFileExtensions(string $filter) : array
+    public function resolveFileExtensions(string $filter): array
     {
         $filter = trim($filter);
 
-        return $this->cache->get('filter_exts_' . md5($filter), function (ItemInterface $item) use ($filter) {
+        return $this->cache->get('filter_exts_'.md5($filter), function (ItemInterface $item) use ($filter) {
             $elements = explode(',', $filter);
             $extensions = [];
 
             foreach ($elements as $element) {
                 $element = trim($element);
-                if (strpos($element, '.') === 0) {
+                if (0 === strpos($element, '.')) {
                     //We found an explicit specified file extension -> add it to list
                     $extensions[] = substr($element, 1);
-                } elseif ($element === 'image/*') {
+                } elseif ('image/*' === $element) {
                     $extensions = array_merge($extensions, static::IMAGE_EXTS);
-                } elseif ($element === 'audio/*') {
+                } elseif ('audio/*' === $element) {
                     $extensions = array_merge($extensions, static::AUDIO_EXTS);
-                } elseif ($element === 'image/*') {
+                } elseif ('image/*' === $element) {
                     $extensions = array_merge($extensions, static::VIDEO_EXTS);
                 } elseif (preg_match('/^[-\w.]+\/[-\w.*]+/', $element)) {
                     $extensions = array_merge($extensions, $this->mimeTypes->getExtensions($element));
                 }
             }
+
             return array_unique($extensions);
         });
     }
 
     /**
      * Check if the given extension matches the filter.
-     * @param string $filter The filter which should be used for checking.
+     *
+     * @param string $filter    The filter which should be used for checking.
      * @param string $extension The extension that should be checked.
+     *
      * @return bool Returns true, if the extension is allowed with the given filter.
      */
-    public function isExtensionAllowed(string $filter, string $extension) : bool
+    public function isExtensionAllowed(string $filter, string $extension): bool
     {
         $extension = strtolower($extension);
-        return empty($filter) || in_array($extension, $this->resolveFileExtensions($filter), false);
+
+        return empty($filter) || \in_array($extension, $this->resolveFileExtensions($filter), false);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/Attachments/PartPreviewGenerator.php b/src/Services/Attachments/PartPreviewGenerator.php
index a9f036c8..286d467d 100644
--- a/src/Services/Attachments/PartPreviewGenerator.php
+++ b/src/Services/Attachments/PartPreviewGenerator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\Attachments;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Parts\Part;
-use App\Services\Attachments\AttachmentManager;
 
-/**
- * @package App\Services\Attachments
- */
 class PartPreviewGenerator
 {
     protected $attachmentHelper;
@@ -42,11 +36,13 @@ class PartPreviewGenerator
     /**
      * Returns a list of attachments that can be used for previewing the part ordered by priority.
      * The priority is: Part MasterAttachment -> Footprint MasterAttachment -> Category MasterAttachment
-     * -> Storelocation Attachment -> MeasurementUnit Attachment -> ManufacturerAttachment
+     * -> Storelocation Attachment -> MeasurementUnit Attachment -> ManufacturerAttachment.
+     *
      * @param Part $part The part for which the attachments should be determined.
+     *
      * @return Attachment[]
      */
-    public function getPreviewAttachments(Part $part) : array
+    public function getPreviewAttachments(Part $part): array
     {
         $list = [];
 
@@ -56,14 +52,14 @@ class PartPreviewGenerator
             $list[] = $attachment;
         }
 
-        if ($part->getFootprint() !== null) {
+        if (null !== $part->getFootprint()) {
             $attachment = $part->getFootprint()->getMasterPictureAttachment();
             if ($this->isAttachmentValidPicture($attachment)) {
                 $list[] = $attachment;
             }
         }
 
-        if ($part->getCategory() !== null) {
+        if (null !== $part->getCategory()) {
             $attachment = $part->getCategory()->getMasterPictureAttachment();
             if ($this->isAttachmentValidPicture($attachment)) {
                 $list[] = $attachment;
@@ -71,7 +67,7 @@ class PartPreviewGenerator
         }
 
         foreach ($part->getPartLots() as $lot) {
-            if ($lot->getStorageLocation() !== null) {
+            if (null !== $lot->getStorageLocation()) {
                 $attachment = $lot->getStorageLocation()->getMasterPictureAttachment();
                 if ($this->isAttachmentValidPicture($attachment)) {
                     $list[] = $attachment;
@@ -79,14 +75,14 @@ class PartPreviewGenerator
             }
         }
 
-        if ($part->getPartUnit() !== null) {
+        if (null !== $part->getPartUnit()) {
             $attachment = $part->getPartUnit()->getMasterPictureAttachment();
             if ($this->isAttachmentValidPicture($attachment)) {
                 $list[] = $attachment;
             }
         }
 
-        if ($part->getManufacturer() !== null) {
+        if (null !== $part->getManufacturer()) {
             $attachment = $part->getManufacturer()->getMasterPictureAttachment();
             if ($this->isAttachmentValidPicture($attachment)) {
                 $list[] = $attachment;
@@ -99,10 +95,12 @@ class PartPreviewGenerator
     /**
      * Determines what attachment should be used for previewing a part (especially in part table).
      * The returned attachment is guaranteed to be existing and be a picture.
+     *
      * @param Part $part The part for which the attachment should be determined
+     *
      * @return Attachment|null
      */
-    public function getTablePreviewAttachment(Part $part) : ?Attachment
+    public function getTablePreviewAttachment(Part $part): ?Attachment
     {
         //First of all we check if the master attachment of the part is set (and a picture)
         $attachment = $part->getMasterPictureAttachment();
@@ -111,7 +109,7 @@ class PartPreviewGenerator
         }
 
         //Otherwise check if the part has a footprint with a valid masterattachment
-        if ($part->getFootprint() !== null) {
+        if (null !== $part->getFootprint()) {
             $attachment = $part->getFootprint()->getMasterPictureAttachment();
             if ($this->isAttachmentValidPicture($attachment)) {
                 return $attachment;
@@ -124,13 +122,15 @@ class PartPreviewGenerator
 
     /**
      * Checks if a attachment is exising and a valid picture.
+     *
      * @param Attachment|null $attachment The attachment that should be checked.
+     *
      * @return bool True if the attachment is valid.
      */
-    protected function isAttachmentValidPicture(?Attachment $attachment) : bool
+    protected function isAttachmentValidPicture(?Attachment $attachment): bool
     {
-        return $attachment !== null
+        return null !== $attachment
             && $attachment->isPicture()
             && $this->attachmentHelper->isFileExisting($attachment);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/ElementTypeNameGenerator.php b/src/Services/ElementTypeNameGenerator.php
index 22949605..fba29366 100644
--- a/src/Services/ElementTypeNameGenerator.php
+++ b/src/Services/ElementTypeNameGenerator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\DBElement;
@@ -42,7 +40,6 @@ use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use App\Exceptions\EntityNotSupportedException;
 use Proxies\__CG__\App\Entity\Parts\Supplier;
-use Symfony\Component\Form\CallbackTransformer;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 class ElementTypeNameGenerator
@@ -80,15 +77,18 @@ class ElementTypeNameGenerator
      * A part element becomes "Part" ("Bauteil" in german) and a category object becomes "Category".
      * Useful when the type should be shown to user.
      * Throws an exception if the class is not supported.
+     *
      * @param DBElement $entity The element for which the label should be generated
+     *
      * @return string The locatlized label for the entity type.
+     *
      * @throws EntityNotSupportedException When the passed entity is not supported.
      */
-    public function getLocalizedTypeLabel(DBElement $entity) : string
+    public function getLocalizedTypeLabel(DBElement $entity): string
     {
         //Check if we have an direct array entry for our entity class, then we can use it
-        if (isset($this->mapping[get_class($entity)])) {
-            return $this->mapping[get_class($entity)];
+        if (isset($this->mapping[\get_class($entity)])) {
+            return $this->mapping[\get_class($entity)];
         }
 
         //Otherwise iterate over array and check for inheritance (needed when the proxy element from doctrine are passed)
@@ -99,25 +99,26 @@ class ElementTypeNameGenerator
         }
 
         //When nothing was found throw an exception
-        throw new EntityNotSupportedException(
-            sprintf('No localized label for the element with type %s was found!', get_class($entity))
-        );
+        throw new EntityNotSupportedException(sprintf('No localized label for the element with type %s was found!', \get_class($entity)));
     }
 
     /**
      * Returns a string like in the format ElementType: ElementName.
      * For example this could be something like: "Part: BC547".
      * It uses getLocalizedLabel to determine the type.
-     * @param NamedDBElement $entity The entity for which the string should be generated.
-     * @param bool $use_html If set to true, a html string is returned, where the type is set italic
+     *
+     * @param NamedDBElement $entity   The entity for which the string should be generated.
+     * @param bool           $use_html If set to true, a html string is returned, where the type is set italic
+     *
      * @return string The localized string
      */
-    public function getTypeNameCombination(NamedDBElement $entity, bool $use_html = false) : string
+    public function getTypeNameCombination(NamedDBElement $entity, bool $use_html = false): string
     {
         $type = $this->getLocalizedTypeLabel($entity);
         if ($use_html) {
-            return '<i>' . $type . ':</i> ' . $entity->getName();
+            return '<i>'.$type.':</i> '.$entity->getName();
         }
-        return $type . ": " . htmlspecialchars($entity->getName());
+
+        return $type.': '.htmlspecialchars($entity->getName());
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/EntityExporter.php b/src/Services/EntityExporter.php
index 4211c077..56ea0e91 100644
--- a/src/Services/EntityExporter.php
+++ b/src/Services/EntityExporter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\Base\NamedDBElement;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -31,7 +29,6 @@ use Symfony\Component\Serializer\SerializerInterface;
 
 /**
  * Use this class to export an entity to multiple file formats.
- * @package App\Services
  */
 class EntityExporter
 {
@@ -47,21 +44,23 @@ class EntityExporter
      *
      * @param $entity NamedDBElement|NamedDBElement[] The element/elements[] that should be exported
      * @param Request $request The request that should be used for option resolving.
+     *
      * @return Response The generated response containing the exported data.
+     *
      * @throws \ReflectionException
      */
-    public function exportEntityFromRequest($entity, Request $request) : Response
+    public function exportEntityFromRequest($entity, Request $request): Response
     {
-        $format = $request->get('format') ?? "json";
+        $format = $request->get('format') ?? 'json';
 
         //Check if we have one of the supported formats
-        if (!in_array($format, ['json', 'csv', 'yaml', 'xml'])) {
-            throw new \InvalidArgumentException("Given format is not supported!");
+        if (!\in_array($format, ['json', 'csv', 'yaml', 'xml'])) {
+            throw new \InvalidArgumentException('Given format is not supported!');
         }
 
         //Check export verbosity level
         $level = $request->get('level') ?? 'extended';
-        if (!in_array($level, ['simple', 'extended', 'full'])) {
+        if (!\in_array($level, ['simple', 'extended', 'full'])) {
             throw new \InvalidArgumentException('Given level is not supported!');
         }
 
@@ -69,26 +68,26 @@ class EntityExporter
         $include_children = $request->get('include_children') ?? false;
 
         //Check which groups we need to export, based on level and include_children
-        $groups = array($level);
+        $groups = [$level];
         if ($include_children) {
             $groups[] = 'include_children';
         }
 
         //Plain text should work for all types
-        $content_type = "text/plain";
+        $content_type = 'text/plain';
 
         //Try to use better content types based on the format
         switch ($format) {
             case 'xml':
-                $content_type = "application/xml";
+                $content_type = 'application/xml';
                 break;
             case 'json':
-                $content_type = "application/json";
+                $content_type = 'application/json';
                 break;
         }
 
         //Ensure that we always serialize an array. This makes it easier to import the data again.
-        if(is_array($entity)) {
+        if (\is_array($entity)) {
             $entity_array = $entity;
         } else {
             $entity_array = [$entity];
@@ -99,7 +98,7 @@ class EntityExporter
                 'groups' => $groups,
                 'as_collection' => true,
                 'csv_delimiter' => ';', //Better for Excel
-                'xml_root_node_name' => 'PartDBExport'
+                'xml_root_node_name' => 'PartDBExport',
             ]));
 
         $response->headers->set('Content-Type', $content_type);
@@ -108,7 +107,7 @@ class EntityExporter
         if (!$request->get('view')) {
             if ($entity instanceof NamedDBElement) {
                 $entity_name = $entity->getName();
-            } elseif (is_array($entity)) {
+            } elseif (\is_array($entity)) {
                 if (empty($entity)) {
                     throw new \InvalidArgumentException('$entity must not be empty!');
                 }
@@ -120,8 +119,7 @@ class EntityExporter
                 throw new \InvalidArgumentException('$entity type is not supported!');
             }
 
-
-            $filename = "export_" . $entity_name . "_" . $level . "." . $format;
+            $filename = 'export_'.$entity_name.'_'.$level.'.'.$format;
 
             // Create the disposition of the file
             $disposition = $response->headers->makeDisposition(
@@ -134,4 +132,4 @@ class EntityExporter
 
         return $response;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/EntityImporter.php b/src/Services/EntityImporter.php
index 1dd2c084..a12b958a 100644
--- a/src/Services/EntityImporter.php
+++ b/src/Services/EntityImporter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
-use App\Entity\Base\NamedDBElement;
 use App\Entity\Base\StructuralDBElement;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Bundle\MakerBundle\Str;
 use Symfony\Component\HttpFoundation\File\File;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Component\Serializer\SerializerInterface;
@@ -34,7 +30,6 @@ use Symfony\Component\Validator\Validator\ValidatorInterface;
 
 class EntityImporter
 {
-
     protected $serializer;
     protected $em;
     protected $validator;
@@ -53,25 +48,26 @@ class EntityImporter
             'format' => 'json',
             'preserve_children' => true,
             'parent' => null,
-            'abort_on_validation_error' => true
+            'abort_on_validation_error' => true,
         ]);
     }
 
     /**
      * Creates many entries at once, based on a (text) list of names.
      *
-     * @param string $lines The list of names seperated by \n
-     * @param string $class_name The name of the class for which the entities should be created
-     * @param StructuralDBElement|null $parent The element which will be used as parent element for new elements.
+     * @param string                   $lines      The list of names seperated by \n
+     * @param string                   $class_name The name of the class for which the entities should be created
+     * @param StructuralDBElement|null $parent     The element which will be used as parent element for new elements.
+     *
      * @return array An associative array containing an ConstraintViolationList and the entity name as key are returned,
-     * if an error happened during validation. When everything was successfull, the array should be empty.
+     *               if an error happened during validation. When everything was successfull, the array should be empty.
      */
-    public function massCreation(string $lines, string $class_name, ?StructuralDBElement $parent) : array
+    public function massCreation(string $lines, string $class_name, ?StructuralDBElement $parent): array
     {
         //Expand every line to a single entry:
         $names = explode("\n", $lines);
 
-        $errors = array();
+        $errors = [];
 
         foreach ($names as $name) {
             $name = trim($name);
@@ -84,7 +80,7 @@ class EntityImporter
             //Validate entity
             $tmp = $this->validator->validate($entity);
             //If no error occured, write entry to DB:
-            if (count($tmp) === 0) {
+            if (0 === \count($tmp)) {
                 $this->em->persist($entity);
             } else { //Otherwise log error
                 dump($tmp);
@@ -101,27 +97,28 @@ class EntityImporter
     /**
      * This methods deserializes the given file and saves it database.
      * The imported elements will be checked (validated) before written to database.
-     * @param File $file The file that should be used for importing.
+     *
+     * @param File   $file       The file that should be used for importing.
      * @param string $class_name The class name of the enitity that should be imported.
-     * @param array $options Options for the import process.
+     * @param array  $options    Options for the import process.
+     *
      * @return array An associative array containing an ConstraintViolationList and the entity name as key are returned,
-     * if an error happened during validation. When everything was successfull, the array should be empty.
+     *               if an error happened during validation. When everything was successfull, the array should be empty.
      */
-    public function fileToDBEntities(File $file, string $class_name, array $options = []) : array
+    public function fileToDBEntities(File $file, string $class_name, array $options = []): array
     {
         $resolver = new OptionsResolver();
         $this->configureOptions($resolver);
 
         $options = $resolver->resolve($options);
 
-
         $entities = $this->fileToEntityArray($file, $class_name, $options);
 
-        $errors = array();
+        $errors = [];
 
         //Iterate over each $entity write it to DB.
         foreach ($entities as $entity) {
-            /** @var StructuralDBElement $entity */
+            /* @var StructuralDBElement $entity */
             //Move every imported entity to the selected parent
             $entity->setParent($options['parent']);
 
@@ -129,7 +126,7 @@ class EntityImporter
             $tmp = $this->validator->validate($entity);
 
             //When no validation error occured, persist entity to database (cascade must be set in entity)
-            if (count($errors) === 0) {
+            if (0 === \count($errors)) {
                 $this->em->persist($entity);
             } else { //Log validation errors to global log.
                 $errors[$entity->getFullPath()] = $tmp;
@@ -137,7 +134,7 @@ class EntityImporter
         }
 
         //Save changes to database, when no error happened, or we should continue on error.
-        if (empty($errors) || $options['abort_on_validation_error'] == false) {
+        if (empty($errors) || false == $options['abort_on_validation_error']) {
             $this->em->flush();
         }
 
@@ -148,12 +145,14 @@ class EntityImporter
      * This method converts (deserialize) a (uploaded) file to an array of entities with the given class.
      *
      * The imported elements will NOT be validated. If you want to use the result array, you have to validate it by yourself.
-     * @param File $file The file that should be used for importing.
+     *
+     * @param File   $file       The file that should be used for importing.
      * @param string $class_name The class name of the enitity that should be imported.
-     * @param array $options Options for the import process.
+     * @param array  $options    Options for the import process.
+     *
      * @return array An array containing the deserialized elements.
      */
-    public function fileToEntityArray(File $file, string $class_name, array $options = []) : array
+    public function fileToEntityArray(File $file, string $class_name, array $options = []): array
     {
         $resolver = new OptionsResolver();
         $this->configureOptions($resolver);
@@ -170,11 +169,11 @@ class EntityImporter
         }
 
         //The [] behind class_name denotes that we expect an array.
-        $entities = $this->serializer->deserialize($content, $class_name . '[]', $options['format'],
+        $entities = $this->serializer->deserialize($content, $class_name.'[]', $options['format'],
             ['groups' => $groups, 'csv_delimiter' => $options['csv_separator']]);
 
         //Ensure we have an array of entitity elements.
-        if(!is_array($entities)) {
+        if (!\is_array($entities)) {
             $entities = [$entities];
         }
 
@@ -188,16 +187,17 @@ class EntityImporter
 
     /**
      * This functions corrects the parent setting based on the children value of the parent.
+     *
      * @param iterable $entities The list of entities that should be fixed.
-     * @param null $parent The parent, to which the entity should be set.
+     * @param null     $parent   The parent, to which the entity should be set.
      */
     protected function correctParentEntites(iterable $entities, $parent = null)
     {
         foreach ($entities as $entity) {
-            /** @var $entity StructuralDBElement */
+            /* @var $entity StructuralDBElement */
             $entity->setParent($parent);
             //Do the same for the children of entity
             $this->correctParentEntites($entity->getChildren(), $entity);
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/EntityURLGenerator.php b/src/Services/EntityURLGenerator.php
index e4535220..ddc1299c 100644
--- a/src/Services/EntityURLGenerator.php
+++ b/src/Services/EntityURLGenerator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -25,11 +24,10 @@ namespace App\Services;
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Base\DBElement;
-use App\Entity\Parts\Category;
 use App\Entity\Devices\Device;
+use App\Entity\Parts\Category;
 use App\Entity\Parts\Footprint;
 use App\Entity\Parts\Manufacturer;
-use App\Entity\Base\NamedDBElement;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
 use App\Entity\Parts\Storelocation;
@@ -39,14 +37,12 @@ use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use App\Exceptions\EntityNotSupportedException;
 use App\Services\Attachments\AttachmentURLGenerator;
-use Symfony\Component\HttpKernel\HttpCache\Store;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
 /**
  * This service can be used to generate links to controllers for different aspects of an entity
  * (like info, edit, delete, etc.)
  * Useful for Twig, where you can generate a link to an entity using a filter.
- * @package App\Services
  */
 class EntityURLGenerator
 {
@@ -65,17 +61,20 @@ class EntityURLGenerator
     /**
      * Finds the controller name for the class of the entity using the given map.
      * Throws an exception if the entity class is not known to the map.
+     *
      * @param array $map The map that should be used for determing the controller
      * @param $entity mixed The entity for which the controller name should be determined.
+     *
      * @return string The name of the controller fitting the entity class
+     *
      * @throws EntityNotSupportedException
      */
     protected function mapToController(array $map, $entity): string
     {
-        $class = get_class($entity);
+        $class = \get_class($entity);
 
         //Check if we have an direct mapping for the given class
-        if (!array_key_exists($class, $map)) {
+        if (!\array_key_exists($class, $map)) {
             //Check if we need to check inheritance by looping through our map
             foreach ($map as $key => $value) {
                 if (is_a($entity, $key)) {
@@ -83,10 +82,7 @@ class EntityURLGenerator
                 }
             }
 
-            throw new EntityNotSupportedException(sprintf(
-                'The given entity is not supported yet! Passed class type: %s',
-                get_class($entity)
-            ));
+            throw new EntityNotSupportedException(sprintf('The given entity is not supported yet! Passed class type: %s', \get_class($entity)));
         }
 
         return $map[$class];
@@ -99,9 +95,11 @@ class EntityURLGenerator
      *
      * @param $entity mixed The element for which the page should be generated.
      * @param string $type The page type. Currently supported: 'info', 'edit', 'create', 'clone', 'list'/'list_parts'
+     *
      * @return string The link to the desired page.
+     *
      * @throws EntityNotSupportedException Thrown if the entity is not supported for the given type.
-     * @throws \InvalidArgumentException Thrown if the givent type is not existing.
+     * @throws \InvalidArgumentException   Thrown if the givent type is not existing.
      */
     public function getURL($entity, string $type)
     {
@@ -148,21 +146,21 @@ class EntityURLGenerator
             if ($entity->isExternal()) { //For external attachments, return the link to external path
                 return $entity->getURL();
             }
+
             return $this->attachmentURLGenerator->getDownloadURL($entity);
         }
 
         //Otherwise throw an error
-        throw new EntityNotSupportedException(sprintf(
-            'The given entity is not supported yet! Passed class type: %s',
-            get_class($entity)
-        ));
+        throw new EntityNotSupportedException(sprintf('The given entity is not supported yet! Passed class type: %s', \get_class($entity)));
     }
 
     /**
      * Generates an URL to a page, where info about this entity can be viewed.
      *
      * @param $entity mixed The entity for which the info should be generated.
+     *
      * @return string The URL to the info page
+     *
      * @throws EntityNotSupportedException If the method is not supported for the given Entity
      */
     public function infoURL(DBElement $entity): string
@@ -181,7 +179,7 @@ class EntityURLGenerator
             User::class => 'user_edit',
             Currency::class => 'currency_edit',
             MeasurementUnit::class => 'measurement_unit_edit',
-            Group::class => 'group_edit'
+            Group::class => 'group_edit',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity), ['id' => $entity->getID()]);
@@ -191,7 +189,9 @@ class EntityURLGenerator
      * Generates an URL to a page, where this entity can be edited.
      *
      * @param $entity mixed The entity for which the edit link should be generated.
+     *
      * @return string The URL to the edit page.
+     *
      * @throws EntityNotSupportedException If the method is not supported for the given Entity
      */
     public function editURL($entity): string
@@ -208,7 +208,7 @@ class EntityURLGenerator
             User::class => 'user_edit',
             Currency::class => 'currency_edit',
             MeasurementUnit::class => 'measurement_unit_edit',
-            Group::class => 'group_edit'
+            Group::class => 'group_edit',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity), ['id' => $entity->getID()]);
@@ -218,7 +218,9 @@ class EntityURLGenerator
      * Generates an URL to a page, where a entity of this type can be created.
      *
      * @param $entity mixed The entity for which the link should be generated.
+     *
      * @return string The URL to the page.
+     *
      * @throws EntityNotSupportedException If the method is not supported for the given Entity
      */
     public function createURL($entity): string
@@ -235,7 +237,7 @@ class EntityURLGenerator
             User::class => 'user_new',
             Currency::class => 'currency_new',
             MeasurementUnit::class => 'measurement_unit_new',
-            Group::class => 'group_new'
+            Group::class => 'group_new',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity));
@@ -243,16 +245,18 @@ class EntityURLGenerator
 
     /**
      * Generates an URL to a page, where a new entity can be created, that has the same informations as the
-     * given entity (element cloning)
+     * given entity (element cloning).
      *
      * @param $entity mixed The entity for which the link should be generated.
+     *
      * @return string The URL to the page.
+     *
      * @throws EntityNotSupportedException If the method is not supported for the given Entity
      */
     public function cloneURL(DBElement $entity): string
     {
         $map = [
-            Part::class => 'part_clone'
+            Part::class => 'part_clone',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity), ['id' => $entity->getID()]);
@@ -262,7 +266,9 @@ class EntityURLGenerator
      * Generates an URL to a page, where all parts are listed, which are contained in the given element.
      *
      * @param $entity mixed The entity for which the link should be generated.
+     *
      * @return string The URL to the page.
+     *
      * @throws EntityNotSupportedException If the method is not supported for the given Entity
      */
     public function listPartsURL(DBElement $entity): string
@@ -272,7 +278,7 @@ class EntityURLGenerator
             Footprint::class => 'part_list_footprint',
             Manufacturer::class => 'part_list_manufacturer',
             Supplier::class => 'part_list_supplier',
-            Storelocation::class => 'part_list_store_location'
+            Storelocation::class => 'part_list_store_location',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity), ['id' => $entity->getID()]);
@@ -292,7 +298,7 @@ class EntityURLGenerator
             User::class => 'user_delete',
             Currency::class => 'currency_delete',
             MeasurementUnit::class => 'measurement_unit_delete',
-            Group::class => 'group_delete'
+            Group::class => 'group_delete',
         ];
 
         return $this->urlGenerator->generate($this->mapToController($map, $entity), ['id' => $entity->getID()]);
diff --git a/src/Services/GitVersionInfo.php b/src/Services/GitVersionInfo.php
index 08000a19..ddc0a0c5 100644
--- a/src/Services/GitVersionInfo.php
+++ b/src/Services/GitVersionInfo.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use Symfony\Component\HttpKernel\KernelInterface;
 
 class GitVersionInfo
@@ -35,33 +33,41 @@ class GitVersionInfo
     }
 
     /**
-     * Get the Git branch name of the installed system
-     * @return  string|null       The current git branch name. Null, if this is no Git installation
+     * Get the Git branch name of the installed system.
+     *
+     * @return string|null The current git branch name. Null, if this is no Git installation
      */
     public function getGitBranchName()
     {
-        if (file_exists($this->project_dir . '/.git/HEAD')) {
-            $git = file($this->project_dir . '/.git/HEAD');
+        if (file_exists($this->project_dir.'/.git/HEAD')) {
+            $git = file($this->project_dir.'/.git/HEAD');
             $head = explode('/', $git[0], 3);
+
             return trim($head[2]);
         }
+
         return null; // this is not a Git installation
     }
 
     /**
-     * Get hash of the last git commit (on remote "origin"!)
+     * Get hash of the last git commit (on remote "origin"!).
+     *
      * @note    If this method does not work, try to make a "git pull" first!
-     * @param integer $length       if this is smaller than 40, only the first $length characters will be returned
-     * @return string|null       The hash of the last commit, null If this is no Git installation
+     *
+     * @param int $length if this is smaller than 40, only the first $length characters will be returned
+     *
+     * @return string|null The hash of the last commit, null If this is no Git installation
      */
     public function getGitCommitHash(int $length = 7)
     {
-        $filename = $this->project_dir . '/.git/refs/remotes/origin/' . $this->getGitBranchName();
+        $filename = $this->project_dir.'/.git/refs/remotes/origin/'.$this->getGitBranchName();
         if (file_exists($filename)) {
             $head = file($filename);
             $hash = $head[0];
+
             return substr($hash, 0, $length);
         }
+
         return null; // this is not a Git installation
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/MarkdownParser.php b/src/Services/MarkdownParser.php
index c683a58f..ec05621e 100644
--- a/src/Services/MarkdownParser.php
+++ b/src/Services/MarkdownParser.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -26,7 +25,6 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  * This class allows you to convert markdown text to HTML.
- * @package App\Services
  */
 class MarkdownParser
 {
@@ -39,12 +37,14 @@ class MarkdownParser
 
     /**
      * Mark the markdown for rendering.
-     * The rendering of markdown is done on client side
-     * @param string $markdown The markdown text that should be parsed to html.
-     * @param bool $inline_mode Only allow inline markdown codes like (*bold* or **italic**), not something like tables
+     * The rendering of markdown is done on client side.
+     *
+     * @param string $markdown    The markdown text that should be parsed to html.
+     * @param bool   $inline_mode Only allow inline markdown codes like (*bold* or **italic**), not something like tables
+     *
      * @return string The markdown in a version that can be parsed on client side.
      */
-    public function markForRendering(string $markdown, bool $inline_mode = false) : string
+    public function markForRendering(string $markdown, bool $inline_mode = false): string
     {
         return sprintf(
             '<div class="markdown" data-markdown="%s">%s</div>',
@@ -52,4 +52,4 @@ class MarkdownParser
             $this->translator->trans('markdown.loading')
         );
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/MoneyFormatter.php b/src/Services/MoneyFormatter.php
index 01c4188e..62f5040d 100644
--- a/src/Services/MoneyFormatter.php
+++ b/src/Services/MoneyFormatter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\PriceInformations\Currency;
 use Locale;
 
 class MoneyFormatter
 {
-
     protected $base_currency;
     protected $locale;
 
@@ -39,17 +36,19 @@ class MoneyFormatter
     }
 
     /**
-     * Format the the given value in the given currency
-     * @param string|float $value The value that should be formatted.
-     * @param Currency|null $currency The currency that should be used for formatting. If null the global one is used
-     * @param int $decimals The number of decimals that should be shown.
-     * @param bool $show_all_digits If set to true, all digits are shown, even if they are null.
+     * Format the the given value in the given currency.
+     *
+     * @param string|float  $value           The value that should be formatted.
+     * @param Currency|null $currency        The currency that should be used for formatting. If null the global one is used
+     * @param int           $decimals        The number of decimals that should be shown.
+     * @param bool          $show_all_digits If set to true, all digits are shown, even if they are null.
+     *
      * @return string
      */
     public function format($value, ?Currency $currency = null, $decimals = 5, bool $show_all_digits = false)
     {
         $iso_code = $this->base_currency;
-        if ($currency !== null && !empty($currency->getIsoCode())) {
+        if (null !== $currency && !empty($currency->getIsoCode())) {
             $iso_code = $currency->getIsoCode();
         }
 
@@ -62,5 +61,4 @@ class MoneyFormatter
 
         return $number_formatter->formatCurrency((float) $value, $iso_code);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Services/PermissionResolver.php b/src/Services/PermissionResolver.php
index c591ab2c..e047d630 100644
--- a/src/Services/PermissionResolver.php
+++ b/src/Services/PermissionResolver.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -41,8 +40,6 @@ class PermissionResolver
 
     /**
      * PermissionResolver constructor.
-     *
-     * @param ParameterBagInterface $params
      */
     public function __construct(ParameterBagInterface $params, ContainerInterface $container)
     {
@@ -51,21 +48,18 @@ class PermissionResolver
         $this->cache_file = $cache_dir.'/permissions.php.cache';
         $this->is_debug = $container->getParameter('kernel.debug');
 
-
-
         $this->permission_structure = $this->generatePermissionStructure();
 
         //dump($this->permission_structure);
     }
 
-    public function getPermissionStructure() : array
+    public function getPermissionStructure(): array
     {
         return $this->permission_structure;
     }
 
     protected function generatePermissionStructure()
     {
-
         $cache = new ConfigCache($this->cache_file, $this->is_debug);
 
         //Check if the cache is fresh, else regenerate it.
@@ -88,7 +82,7 @@ class PermissionResolver
             );
 
             //Permission file is our file resource (it is used to invalidate cache)
-            $resources = array();
+            $resources = [];
             $resources[] = new FileResource($permission_file);
 
             //Var export the structure and write it to cache file.
@@ -101,7 +95,6 @@ class PermissionResolver
         return require $this->cache_file;
     }
 
-
     /**
      * Check if a user/group is allowed to do the specified operation for the permission.
      *
@@ -165,13 +158,14 @@ class PermissionResolver
     }
 
     /**
-     * Sets the new value for the operation
-     * @param HasPermissionsInterface $user The user or group for which the value should be changed.
-     * @param string $permission The name of the permission that should be changed.
-     * @param string $operation The name of the operation that should be changed.
-     * @param bool|null $new_val The new value for the permission. true = ALLOW, false = DISALLOW, null = INHERIT
+     * Sets the new value for the operation.
+     *
+     * @param HasPermissionsInterface $user       The user or group for which the value should be changed.
+     * @param string                  $permission The name of the permission that should be changed.
+     * @param string                  $operation  The name of the operation that should be changed.
+     * @param bool|null               $new_val    The new value for the permission. true = ALLOW, false = DISALLOW, null = INHERIT
      */
-    public function setPermission(HasPermissionsInterface $user, string $permission, string $operation, ?bool $new_val) : void
+    public function setPermission(HasPermissionsInterface $user, string $permission, string $operation, ?bool $new_val): void
     {
         //Get the permissions from the user
         $perm_list = $user->getPermissions();
@@ -195,12 +189,11 @@ class PermissionResolver
      */
     public function listOperationsForPermission(string $permission): array
     {
-        if(!$this->isValidPermission($permission)) {
+        if (!$this->isValidPermission($permission)) {
             throw new \InvalidArgumentException(sprintf('A permission with that name is not existing! Got %s.', $permission));
         }
         $operations = $this->permission_structure['perms'][$permission]['operations'];
 
-
         return array_keys($operations);
     }
 
diff --git a/src/Services/PricedetailHelper.php b/src/Services/PricedetailHelper.php
index a9374a33..c617c400 100644
--- a/src/Services/PricedetailHelper.php
+++ b/src/Services/PricedetailHelper.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -25,7 +24,6 @@ namespace App\Services;
 use App\Entity\Parts\Part;
 use App\Entity\PriceInformations\Currency;
 use App\Entity\PriceInformations\Pricedetail;
-use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\ORM\PersistentCollection;
 use Locale;
 
@@ -43,10 +41,10 @@ class PricedetailHelper
     /**
      * Determines the highest amount, for which you get additional discount.
      * This function determines the highest min_discount_quantity for the given part.
-     * @param Part $part
+     *
      * @return float|null
      */
-    public function getMaxDiscountAmount(Part $part) : ?float
+    public function getMaxDiscountAmount(Part $part): ?float
     {
         $orderdetails = $part->getOrderdetails(true);
 
@@ -55,7 +53,7 @@ class PricedetailHelper
         foreach ($orderdetails as $orderdetail) {
             $pricedetails = $orderdetail->getPricedetails();
             //The orderdetail must have pricedetails, otherwise this will not work!
-            if (count($pricedetails) === 0) {
+            if (0 === \count($pricedetails)) {
                 continue;
             }
 
@@ -74,7 +72,6 @@ class PricedetailHelper
                 $max_amount = end($array);
             }
 
-
             if ($max_amount > $max) {
                 $max = $max_amount;
             }
@@ -88,11 +85,13 @@ class PricedetailHelper
     }
 
     /**
-     * Determines the minimum amount of the part that can be ordered
+     * Determines the minimum amount of the part that can be ordered.
+     *
      * @param Part $part The part for which the minimum order amount should be determined.
+     *
      * @return float
      */
-    public function getMinOrderAmount(Part $part) : ?float
+    public function getMinOrderAmount(Part $part): ?float
     {
         $orderdetails = $part->getOrderdetails(true);
 
@@ -101,7 +100,7 @@ class PricedetailHelper
         foreach ($orderdetails as $orderdetail) {
             $pricedetails = $orderdetail->getPricedetails();
             //The orderdetail must have pricedetails, otherwise this will not work!
-            if (count($pricedetails) === 0) {
+            if (0 === \count($pricedetails)) {
                 continue;
             }
 
@@ -123,26 +122,28 @@ class PricedetailHelper
 
     /**
      * Calculates the average price of a part, when ordering the amount $amount.
-     * @param Part $part The part for which the average price should be calculated.
-     * @param float $amount The order amount for which the average price should be calculated.
-     * If set to null, the mininmum order amount for the part is used.
+     *
+     * @param Part          $part     The part for which the average price should be calculated.
+     * @param float         $amount   The order amount for which the average price should be calculated.
+     *                                If set to null, the mininmum order amount for the part is used.
      * @param Currency|null $currency The currency in which the average price should be calculated
+     *
      * @return string|null The Average price as bcmath string. Returns null, if it was not possible to calculate the
-     * price for the given
+     *                     price for the given
      */
-    public function calculateAvgPrice(Part $part, ?float $amount = null, ?Currency $currency = null) : ?string
+    public function calculateAvgPrice(Part $part, ?float $amount = null, ?Currency $currency = null): ?string
     {
-        if ($amount === null) {
+        if (null === $amount) {
             $amount = $this->getMinOrderAmount($part);
         }
 
-        if ($amount === null) {
+        if (null === $amount) {
             return null;
         }
 
         $orderdetails = $part->getOrderdetails(true);
 
-        $avg = "0";
+        $avg = '0';
         $count = 0;
 
         //Find the price for the amount, for the given
@@ -150,15 +151,15 @@ class PricedetailHelper
             $pricedetail = $orderdetail->findPriceForQty($amount);
 
             //When we dont have informations about this amount, ignore it
-            if ($pricedetail === null) {
+            if (null === $pricedetail) {
                 continue;
             }
 
             $avg = bcadd($avg, $this->convertMoneyToCurrency($pricedetail->getPricePerUnit(), $pricedetail->getCurrency(), $currency), Pricedetail::PRICE_PRECISION);
-            $count++;
+            ++$count;
         }
 
-        if ($count === 0) {
+        if (0 === $count) {
             return null;
         }
 
@@ -166,16 +167,18 @@ class PricedetailHelper
     }
 
     /**
-     * Converts the given value in origin currency to the choosen target currency
+     * Converts the given value in origin currency to the choosen target currency.
+     *
      * @param $value float|string The value that should be converted
      * @param Currency|null $originCurrency The currency the $value is given in.
-     * Set to null, to use global base currency.
+     *                                      Set to null, to use global base currency.
      * @param Currency|null $targetCurrency The target currency, to which $value should be converted.
-     * Set to null, to use global base currency.
+     *                                      Set to null, to use global base currency.
+     *
      * @return string|null The value in $targetCurrency given as bcmath string.
-     * Returns null, if it was not possible to convert between both values (e.g. when the exchange rates are missing)
+     *                     Returns null, if it was not possible to convert between both values (e.g. when the exchange rates are missing)
      */
-    public function convertMoneyToCurrency($value, ?Currency $originCurrency = null, ?Currency $targetCurrency = null) : ?string
+    public function convertMoneyToCurrency($value, ?Currency $originCurrency = null, ?Currency $targetCurrency = null): ?string
     {
         //Skip conversion, if both currencies are same
         if ($originCurrency === $targetCurrency) {
@@ -186,9 +189,9 @@ class PricedetailHelper
 
         //Convert value to base currency
         $val_base = $value;
-        if ($originCurrency !== null) {
+        if (null !== $originCurrency) {
             //Without an exchange rate we can not calculate the exchange rate
-            if ((float) $originCurrency->getExchangeRate() === 0) {
+            if (0 === (float) $originCurrency->getExchangeRate()) {
                 return null;
             }
 
@@ -197,9 +200,9 @@ class PricedetailHelper
 
         //Convert value in base currency to target currency
         $val_target = $val_base;
-        if ($targetCurrency !== null) {
+        if (null !== $targetCurrency) {
             //Without an exchange rate we can not calculate the exchange rate
-            if ($targetCurrency->getExchangeRate() === null) {
+            if (null === $targetCurrency->getExchangeRate()) {
                 return null;
             }
 
@@ -208,4 +211,4 @@ class PricedetailHelper
 
         return $val_target;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/SIFormatter.php b/src/Services/SIFormatter.php
index e4977043..7322c6dc 100644
--- a/src/Services/SIFormatter.php
+++ b/src/Services/SIFormatter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,37 +17,39 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
 /**
  * A service that helps you to format values using the SI prefixes.
- * @package App\Services
  */
 class SIFormatter
 {
     /**
      * Returns the magnitude of a value (the count of decimal place of the highest decimal place).
      * For example, for 100 (=10^2) this function returns 2. For -2500 (=-2.5*10^3) this function returns 3.
+     *
      * @param float $value The value of which the magnitude should be determined.
+     *
      * @return int The magnitude of the value
      */
-    public function getMagnitude(float $value) : int
+    public function getMagnitude(float $value): int
     {
         return (int) floor(log10(abs($value)));
     }
 
     /**
      * Returns the best SI prefix (and its corresponding divisor) for the given magnitude.
+     *
      * @param int $magnitude The magnitude for which the prefix should be determined.
+     *
      * @return array A array, containing the divisor in first element, and the prefix symbol in second. For example, [1000, "k"].
      */
-    public function getPrefixByMagnitude(int $magnitude) : array
+    public function getPrefixByMagnitude(int $magnitude): array
     {
-        $prefixes_pos = ['' ,'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
-        $prefixes_neg = ['' ,'m', 'μ', 'n', 'p', 'f', 'a', 'z', 'y'];
+        $prefixes_pos = ['', 'k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'];
+        $prefixes_neg = ['', 'm', 'μ', 'n', 'p', 'f', 'a', 'z', 'y'];
 
         if ($magnitude >= 0) {
             $nearest = (int) floor(abs($magnitude) / 3);
@@ -65,43 +67,42 @@ class SIFormatter
     }
 
     /**
-     *
-     * @param float $value
      * @return array
      */
-    public function convertValue(float $value) : array
+    public function convertValue(float $value): array
     {
         //Choose the prefix to use
         $tmp = $this->getPrefixByMagnitude($this->getMagnitude($value));
 
-        $ret = array(
+        $ret = [
             'value' => $value / $tmp[0],
             'prefix_magnitude' => log10($tmp[0]),
-            'prefix' => $tmp[1]
-        );
+            'prefix' => $tmp[1],
+        ];
 
         return $ret;
     }
 
     /**
-     * Formats the given value to a string, using the given options
-     * @param float $value The value that should be converted
-     * @param string $unit The unit that should be appended after the prefix
-     * @param int $decimals The number of decimals (after decimal dot) that should be outputed.
+     * Formats the given value to a string, using the given options.
+     *
+     * @param float  $value    The value that should be converted
+     * @param string $unit     The unit that should be appended after the prefix
+     * @param int    $decimals The number of decimals (after decimal dot) that should be outputed.
+     *
      * @return string
      */
-    public function format(float $value, string $unit = '', int $decimals = 2) : string
+    public function format(float $value, string $unit = '', int $decimals = 2): string
     {
         [$divisor, $symbol] = $this->getPrefixByMagnitude($this->getMagnitude($value));
         $value /= $divisor;
         //Build the format string, e.g.: %.2d km
-        if ($unit !== '' || $symbol !== '') {
-            $format_string = '%.' . $decimals . 'f ' . $symbol . $unit;
+        if ('' !== $unit || '' !== $symbol) {
+            $format_string = '%.'.$decimals.'f '.$symbol.$unit;
         } else {
-            $format_string = '%.' . $decimals . 'f';
+            $format_string = '%.'.$decimals.'f';
         }
 
         return sprintf($format_string, $value);
     }
-
-}
\ No newline at end of file
+}
diff --git a/src/Services/StructuralElementRecursionHelper.php b/src/Services/StructuralElementRecursionHelper.php
index f5f4436d..209b7cd9 100644
--- a/src/Services/StructuralElementRecursionHelper.php
+++ b/src/Services/StructuralElementRecursionHelper.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\Base\StructuralDBElement;
 use Doctrine\ORM\EntityManagerInterface;
 
 class StructuralElementRecursionHelper
 {
-
     protected $em;
 
     public function __construct(EntityManagerInterface $em)
@@ -39,18 +36,18 @@ class StructuralElementRecursionHelper
     /**
      * Executes an function (callable) recursivly for $element and every of its children.
      *
-     * @param StructuralDBElement $element The element on which the func should be executed
-     * @param callable $func The function which should be executed for each element.
-     * $func has the signature function(StructuralDBElement $element) : void
-     * @param int $max_depth The maximum depth for which should be recursivly called. So if this is set to 5, after the
-     * 5th level the execution is stopped.
-     * @param bool $call_from_bottom If set to true the bottom elements (elements with high level) will be called first.
-     * Set to false if you want to call the top elements first.
+     * @param StructuralDBElement $element          The element on which the func should be executed
+     * @param callable            $func             The function which should be executed for each element.
+     *                                              $func has the signature function(StructuralDBElement $element) : void
+     * @param int                 $max_depth        The maximum depth for which should be recursivly called. So if this is set to 5, after the
+     *                                              5th level the execution is stopped.
+     * @param bool                $call_from_bottom If set to true the bottom elements (elements with high level) will be called first.
+     *                                              Set to false if you want to call the top elements first.
      */
-    public function execute(StructuralDBElement $element, callable $func, int $max_depth = -1, $call_from_bottom = true) : void
+    public function execute(StructuralDBElement $element, callable $func, int $max_depth = -1, $call_from_bottom = true): void
     {
         //Cancel if we reached our maximal allowed level. Must be zero because -1 is infinity levels
-        if ($max_depth == 0) {
+        if (0 == $max_depth) {
             return;
         }
 
@@ -74,20 +71,21 @@ class StructuralElementRecursionHelper
 
     /**
      * Deletes the $element and all its subelements recursivly.
+     *
      * @param StructuralDBElement $element The element which should be deleted.
-     * @param bool $flush When set to true the changes will also be flushed to DB. Set to false if you want to flush
-     * later.
+     * @param bool                $flush   When set to true the changes will also be flushed to DB. Set to false if you want to flush
+     *                                     later.
      */
-    public function delete(StructuralDBElement $element, bool $flush = true) : void
+    public function delete(StructuralDBElement $element, bool $flush = true): void
     {
         $em = $this->em;
 
-        $this->execute($element, static function(StructuralDBElement $element) use ($em) {
+        $this->execute($element, static function (StructuralDBElement $element) use ($em) {
             $em->remove($element);
         });
 
-        if($flush) {
+        if ($flush) {
             $em->flush();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/TagFinder.php b/src/Services/TagFinder.php
index 8098e1b2..1b0b1615 100644
--- a/src/Services/TagFinder.php
+++ b/src/Services/TagFinder.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\Parts\Part;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 
 /**
  * A service related for searching for tags. Mostly useful for autocomplete reasons.
- * @package App\Services
  */
 class TagFinder
 {
@@ -45,20 +42,22 @@ class TagFinder
         $resolver->setDefaults([
             'query_limit' => 75,
             'return_limit' => 25,
-            'min_keyword_length' => 3
+            'min_keyword_length' => 3,
         ]);
     }
 
     /**
      * Search tags that begins with the certain keyword.
+     *
      * @param string $keyword The keyword the tag must begin with
-     * @param array $options Some options specifying the search behavior. See configureOptions for possible options.
+     * @param array  $options Some options specifying the search behavior. See configureOptions for possible options.
+     *
      * @return string[] An array containing the tags that match the given keyword.
      */
     public function searchTags(string $keyword, array $options = [])
     {
         $results = [];
-        $keyword_regex = '/^' . preg_quote($keyword, '/') . '/';
+        $keyword_regex = '/^'.preg_quote($keyword, '/').'/';
 
         $resolver = new OptionsResolver();
         $this->configureOptions($resolver);
@@ -75,10 +74,10 @@ class TagFinder
 
         $qb->select('p.tags')
             ->from(Part::class, 'p')
-            ->where("p.tags LIKE ?1")
+            ->where('p.tags LIKE ?1')
             ->setMaxResults($options['query_limit'])
             //->orderBy('RAND()')
-            ->setParameter(1, '%' . $keyword . '%');
+            ->setParameter(1, '%'.$keyword.'%');
 
         $possible_tags = $qb->getQuery()->getArrayResult();
 
@@ -90,6 +89,6 @@ class TagFinder
 
         $results = array_unique($results);
         //Limit the returned tag count to specified value.
-        return array_slice($results, 0, $options['return_limit']);
+        return \array_slice($results, 0, $options['return_limit']);
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/ToolsTreeBuilder.php b/src/Services/ToolsTreeBuilder.php
index 0a98e2fc..b882c330 100644
--- a/src/Services/ToolsTreeBuilder.php
+++ b/src/Services/ToolsTreeBuilder.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -45,11 +44,9 @@ use Symfony\Contracts\Translation\TranslatorInterface;
 /**
  * This Service generates the tree structure for the tools.
  * Whenever you change something here, you has to clear the cache, because the results are cached for performance reasons.
- * @package App\Services
  */
 class ToolsTreeBuilder
 {
-
     protected $translator;
     protected $urlGenerator;
     protected $keyGenerator;
@@ -73,31 +70,34 @@ class ToolsTreeBuilder
     /**
      * Generates the tree for the tools menu.
      * The result is cached.
+     *
      * @return TreeViewNode[] The array containing all Nodes for the tools menu.
      */
-    public function getTree() : array
+    public function getTree(): array
     {
-        $key = "tree_tools_" .  $this->keyGenerator->generateKey();
+        $key = 'tree_tools_'.$this->keyGenerator->generateKey();
 
         return $this->cache->get($key, function (ItemInterface $item) {
             //Invalidate tree, whenever group or the user changes
-            $item->tag(["tree_tools", "groups", $this->keyGenerator->generateKey()]);
+            $item->tag(['tree_tools', 'groups', $this->keyGenerator->generateKey()]);
 
-            $tree = array();
+            $tree = [];
             $tree[] = new TreeViewNode($this->translator->trans('tree.tools.edit'), null, $this->getEditNodes());
             $tree[] = new TreeViewNode($this->translator->trans('tree.tools.show'), null, $this->getShowNodes());
             $tree[] = new TreeViewNode($this->translator->trans('tree.tools.system'), null, $this->getSystemNodes());
+
             return $tree;
         });
     }
 
     /**
-     * This functions creates a tree entries for the "edit" node of the tool's tree
+     * This functions creates a tree entries for the "edit" node of the tool's tree.
+     *
      * @return TreeViewNode[]
      */
-    protected function getEditNodes() : array
+    protected function getEditNodes(): array
     {
-        $nodes = array();
+        $nodes = [];
 
         if ($this->security->isGranted('read', new AttachmentType())) {
             $nodes[] = new TreeViewNode(
@@ -164,12 +164,13 @@ class ToolsTreeBuilder
     }
 
     /**
-     * This function creates the tree entries for the "show" node of the tools tree
+     * This function creates the tree entries for the "show" node of the tools tree.
+     *
      * @return TreeViewNode[]
      */
-    protected function getShowNodes() : array
+    protected function getShowNodes(): array
     {
-        $show_nodes = array();
+        $show_nodes = [];
         $show_nodes[] = new TreeViewNode(
             $this->translator->trans('tree.tools.show.all_parts'),
             $this->urlGenerator->generate('parts_show_all')
@@ -187,16 +188,17 @@ class ToolsTreeBuilder
 
     /**
      * This function creates the tree entries for the "system" node of the tools tree.
+     *
      * @return array
      */
-    protected function getSystemNodes() : array
+    protected function getSystemNodes(): array
     {
-        $nodes = array();
+        $nodes = [];
 
         if ($this->security->isGranted('read', new User())) {
             $nodes[] = new TreeViewNode(
                 $this->translator->trans('tree.tools.system.users'),
-                $this->urlGenerator->generate("user_new")
+                $this->urlGenerator->generate('user_new')
             );
         }
         if ($this->security->isGranted('read', new Group())) {
diff --git a/src/Services/TranslationExtractor/PermissionExtractor.php b/src/Services/TranslationExtractor/PermissionExtractor.php
index de733446..8abecab5 100644
--- a/src/Services/TranslationExtractor/PermissionExtractor.php
+++ b/src/Services/TranslationExtractor/PermissionExtractor.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services\TranslationExtractor;
 
-
 use App\Services\PermissionResolver;
 use Symfony\Component\Translation\Extractor\ExtractorInterface;
 use Symfony\Component\Translation\MessageCatalogue;
@@ -30,7 +28,6 @@ use Symfony\Component\Translation\MessageCatalogue;
 /**
  * The purpose of this class is to extract label attributes out of our permissions.yaml structure,
  * so they can be translated.
- * @package App\Services\TranslationExtractor
  */
 class PermissionExtractor implements ExtractorInterface
 {
@@ -45,7 +42,7 @@ class PermissionExtractor implements ExtractorInterface
     /**
      * Extracts translation messages from files, a file or a directory to the catalogue.
      *
-     * @param string|array $resource Files, a file or a directory
+     * @param string|array     $resource  Files, a file or a directory
      * @param MessageCatalogue $catalogue The catalogue
      */
     public function extract($resource, MessageCatalogue $catalogue)
@@ -55,7 +52,7 @@ class PermissionExtractor implements ExtractorInterface
             foreach ($this->permission_structure['groups'] as $group) {
                 if (isset($group['label'])) {
                     $catalogue->add([
-                        $group['label'] => '__' . $group['label']
+                        $group['label'] => '__'.$group['label'],
                     ]);
                 }
             }
@@ -64,7 +61,7 @@ class PermissionExtractor implements ExtractorInterface
             foreach ($this->permission_structure['perms'] as $perm) {
                 if (isset($perm['label'])) {
                     $catalogue->add([
-                        $perm['label'] => '__' . $perm['label']
+                        $perm['label'] => '__'.$perm['label'],
                     ]);
                 }
 
@@ -72,13 +69,12 @@ class PermissionExtractor implements ExtractorInterface
                 foreach ($perm['operations'] as $op) {
                     if (isset($op['label'])) {
                         $catalogue->add([
-                            $op['label'] => '__' . $op['label']
+                            $op['label'] => '__'.$op['label'],
                         ]);
                     }
                 }
             }
 
-
             $this->finished = true;
         }
     }
@@ -92,4 +88,4 @@ class PermissionExtractor implements ExtractorInterface
     {
         return '';
     }
-}
\ No newline at end of file
+}
diff --git a/src/Services/TreeBuilder.php b/src/Services/TreeBuilder.php
index 3ba76956..d12a49c7 100644
--- a/src/Services/TreeBuilder.php
+++ b/src/Services/TreeBuilder.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
@@ -28,22 +27,12 @@ use App\Entity\Base\StructuralDBElement;
 use App\Helpers\TreeViewNode;
 use App\Repository\StructuralDBElementRepository;
 use Doctrine\ORM\EntityManagerInterface;
-use Psr\Cache\CacheItemPoolInterface;
-use Symfony\Bundle\MakerBundle\Str;
-use Symfony\Component\Cache\Adapter\AdapterInterface;
-use Symfony\Component\Cache\Adapter\FilesystemAdapter;
-use Symfony\Component\Cache\Adapter\TagAwareAdapter;
-use Symfony\Component\Cache\Adapter\TagAwareAdapterInterface;
-use Symfony\Component\Security\Core\Security;
-use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
 use Symfony\Contracts\Cache\TagAwareCacheInterface;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
 /**
  *  This service gives you multiple possibilities to generate trees.
- *
- * @package App\Controller
  */
 class TreeBuilder
 {
@@ -65,15 +54,18 @@ class TreeBuilder
 
     /**
      * Generates a tree for the given Element. The given element is the top node, all children are child nodes.
-     * @param StructuralDBElement $element The element for which the tree should be generated.
-     * @param string $href_type The type of the links that should be used for the links. Set to null, to disable links.
-     *                          See EntityURLGenerator::getURL for possible types.
-     * @param DBElement|null $selectedElement When a element is given here, its tree node will be marked as selected in
-     * the resulting tree. When $selectedElement is not existing in the tree, then nothing happens.
+     *
+     * @param StructuralDBElement $element         The element for which the tree should be generated.
+     * @param string              $href_type       The type of the links that should be used for the links. Set to null, to disable links.
+     *                                             See EntityURLGenerator::getURL for possible types.
+     * @param DBElement|null      $selectedElement When a element is given here, its tree node will be marked as selected in
+     *                                             the resulting tree. When $selectedElement is not existing in the tree, then nothing happens.
+     *
      * @return TreeViewNode The Node for the given Element.
+     *
      * @throws \App\Exceptions\EntityNotSupportedException
      */
-    public function elementToTreeNode(NamedDBElement $element, ?string $href_type = 'list_parts', DBElement $selectedElement = null) : TreeViewNode
+    public function elementToTreeNode(NamedDBElement $element, ?string $href_type = 'list_parts', DBElement $selectedElement = null): TreeViewNode
     {
         $children_nodes = null;
 
@@ -93,12 +85,12 @@ class TreeBuilder
 
         $tree_node = new TreeViewNode($element->__toString(), $href, $children_nodes);
 
-        if($children_nodes != null) {
-            $tree_node->addTag((string) count($children_nodes));
+        if (null != $children_nodes) {
+            $tree_node->addTag((string) \count($children_nodes));
         }
 
         //Check if we need to select the current part
-        if ($selectedElement !== null && $element->getID() === $selectedElement->getID()) {
+        if (null !== $selectedElement && $element->getID() === $selectedElement->getID()) {
             $tree_node->setSelected(true);
         }
 
@@ -106,20 +98,23 @@ class TreeBuilder
     }
 
     /**
-     * Generates a tree for all elements of the given type
-     * @param StructuralDBElement $class_name The class name of the StructuralDBElement class for which the tree should
-     *                                          be generated.
-     * @param string $href_type The type of the links that should be used for the links. Set to null, to disable links.
-     *                          See EntityURLGenerator::getURL for possible types.
-     * @param DBElement|null $selectedElement When a element is given here, its tree node will be marked as selected in
-     * the resulting tree. When $selectedElement is not existing in the tree, then nothing happens.
+     * Generates a tree for all elements of the given type.
+     *
+     * @param StructuralDBElement $class_name      The class name of the StructuralDBElement class for which the tree should
+     *                                             be generated.
+     * @param string              $href_type       The type of the links that should be used for the links. Set to null, to disable links.
+     *                                             See EntityURLGenerator::getURL for possible types.
+     * @param DBElement|null      $selectedElement When a element is given here, its tree node will be marked as selected in
+     *                                             the resulting tree. When $selectedElement is not existing in the tree, then nothing happens.
+     *
      * @return TreeViewNode[] Returns an array, containing all nodes. It is empty if the given class has no elements.
+     *
      * @throws \App\Exceptions\EntityNotSupportedException
      */
-    public function typeToTree(string $class_name, ?string $href_type = 'list_parts', DBElement $selectedElement = null) : array
+    public function typeToTree(string $class_name, ?string $href_type = 'list_parts', DBElement $selectedElement = null): array
     {
         /**
-         * @var $repo StructuralDBElementRepository
+         * @var StructuralDBElementRepository
          */
         $repo = $this->em->getRepository($class_name);
 
@@ -129,15 +124,15 @@ class TreeBuilder
             $root_nodes = $repo->findAll();
         }
 
-        $array = array();
+        $array = [];
 
         //When we use the newEdit type, add the New Element node.
-        if ($href_type === 'newEdit') {
+        if ('newEdit' === $href_type) {
             //Generate the url for the new node
             $href = $this->url_generator->createURL(new $class_name());
             $new_node = new TreeViewNode($this->translator->trans('entity.tree.new'), $href);
             //When the id of the selected element is null, then we have a new element, and we need to select "new" node
-            if ($selectedElement != null && $selectedElement->getID() == null) {
+            if (null != $selectedElement && null == $selectedElement->getID()) {
                 $new_node->setSelected(true);
             }
             $array[] = $new_node;
@@ -145,7 +140,7 @@ class TreeBuilder
             $array[] = (new TreeViewNode(''))->setDisabled(true);
 
             //Every other treeNode will be used for edit
-            $href_type = "edit";
+            $href_type = 'edit';
         }
 
         foreach ($root_nodes as $node) {
@@ -158,22 +153,24 @@ class TreeBuilder
     /**
      * Gets a flattened hierachical tree. Useful for generating option lists.
      * In difference to the Repository Function, the results here are cached.
-     * @param string $class_name The class name of the entity you want to retrieve.
-     * @param StructuralDBElement|null $parent This entity will be used as root element. Set to null, to use global root
+     *
+     * @param string                   $class_name The class name of the entity you want to retrieve.
+     * @param StructuralDBElement|null $parent     This entity will be used as root element. Set to null, to use global root
+     *
      * @return StructuralDBElement[] A flattened list containing the tree elements.
      */
     public function typeToNodesList(string $class_name, ?StructuralDBElement $parent = null): array
     {
-        $parent_id = $parent != null ? $parent->getID() : "0";
+        $parent_id = null != $parent ? $parent->getID() : '0';
         // Backslashes are not allowed in cache keys
-        $secure_class_name = str_replace("\\", '_', $class_name);
-        $key = "list_" . $this->keyGenerator->generateKey() . "_" . $secure_class_name . $parent_id;
+        $secure_class_name = str_replace('\\', '_', $class_name);
+        $key = 'list_'.$this->keyGenerator->generateKey().'_'.$secure_class_name.$parent_id;
 
         $ret = $this->cache->get($key, function (ItemInterface $item) use ($class_name, $parent, $secure_class_name) {
             // Invalidate when groups, a element with the class or the user changes
             $item->tag(['groups', 'tree_list', $this->keyGenerator->generateKey(), $secure_class_name]);
             /**
-             * @var $repo StructuralDBElementRepository
+             * @var StructuralDBElementRepository
              */
             $repo = $this->em->getRepository($class_name);
 
diff --git a/src/Services/UserCacheKeyGenerator.php b/src/Services/UserCacheKeyGenerator.php
index 7b884cda..7f7fa4e4 100644
--- a/src/Services/UserCacheKeyGenerator.php
+++ b/src/Services/UserCacheKeyGenerator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,21 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Services;
 
-
 use App\Entity\UserSystem\User;
-use Nyholm\Psr7\Request;
-use Symfony\Component\Intl\Locale\Locale;
-use Symfony\Component\Intl\Locales;
 use Symfony\Component\Security\Core\Security;
 
 /**
  * Purpose of this service is to generate a key unique for a user, to use in Cache keys and tags.
- * @package App\Services
  */
 class UserCacheKeyGenerator
 {
@@ -44,26 +38,28 @@ class UserCacheKeyGenerator
 
     /**
      * Generates a key for the given user.
+     *
      * @param User|null $user The user for which the key should be generated. When set to null, the currently logged in
-     * user is used.
+     *                        user is used.
+     *
      * @return string
      */
-    public function generateKey(User $user = null) : string
+    public function generateKey(User $user = null): string
     {
         $locale = \Locale::getDefault();
 
         //If no user was specified, use the currently used one.
-        if ($user === null) {
+        if (null === $user) {
             $user = $this->security->getUser();
         }
 
         //If the user is null, then treat it as anonymous user.
         //When the anonymous user is passed as user then use this path too.
-        if ($user === null || $user->getID() === User::ID_ANONYMOUS) {
-            return 'user$_' . User::ID_ANONYMOUS;
+        if (null === $user || User::ID_ANONYMOUS === $user->getID()) {
+            return 'user$_'.User::ID_ANONYMOUS;
         }
 
         //In the most cases we can just use the username (its unique)
-        return "user_" . $user->getUsername() . '_' . $locale;
+        return 'user_'.$user->getUsername().'_'.$locale;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Twig/AppExtension.php b/src/Twig/AppExtension.php
index 1f938a96..8023f067 100644
--- a/src/Twig/AppExtension.php
+++ b/src/Twig/AppExtension.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Twig;
 
-use App\Entity\Attachments\Attachment;
 use App\Entity\Base\DBElement;
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\PriceInformations\Currency;
@@ -33,12 +31,9 @@ use App\Services\MarkdownParser;
 use App\Services\MoneyFormatter;
 use App\Services\SIFormatter;
 use App\Services\TreeBuilder;
-use Symfony\Component\Cache\Adapter\AdapterInterface;
 use Symfony\Component\Serializer\SerializerInterface;
-use Twig\Cache\CacheInterface;
 use Twig\Extension\AbstractExtension;
 use Twig\TwigFilter;
-use s9e\TextFormatter\Bundles\Forum as TextFormatter;
 use Twig\TwigFunction;
 use Twig\TwigTest;
 
@@ -77,7 +72,7 @@ class AppExtension extends AbstractExtension
             new TwigFilter('moneyFormat', [$this, 'formatCurrency']),
             new TwigFilter('siFormat', [$this, 'siFormat']),
             new TwigFilter('amountFormat', [$this, 'amountFormat']),
-            new TwigFilter('loginPath', [$this, 'loginPath'])
+            new TwigFilter('loginPath', [$this, 'loginPath']),
         ];
     }
 
@@ -86,7 +81,7 @@ class AppExtension extends AbstractExtension
         return [
             new TwigTest('instanceof', function ($var, $instance) {
                 return $var instanceof $instance;
-            } )
+            }),
         ];
     }
 
@@ -94,27 +89,29 @@ class AppExtension extends AbstractExtension
     {
         return [
             new TwigFunction('generateTreeData', [$this, 'treeData']),
-            new TwigFunction('attachment_thumbnail', [$this->attachmentURLGenerator, 'getThumbnailURL'])
+            new TwigFunction('attachment_thumbnail', [$this->attachmentURLGenerator, 'getThumbnailURL']),
         ];
     }
 
-    public function treeData(DBElement $element, string $type = 'newEdit') : string
+    public function treeData(DBElement $element, string $type = 'newEdit'): string
     {
-        $tree = $this->treeBuilder->typeToTree(get_class($element), $type, $element);
+        $tree = $this->treeBuilder->typeToTree(\get_class($element), $type, $element);
+
         return $this->serializer->serialize($tree, 'json', ['skip_null_values' => true]);
     }
 
     /**
-     * This function/filter generates an path
-     * @param string $path
+     * This function/filter generates an path.
+     *
      * @return string
      */
-    public function loginPath(string $path) : string
+    public function loginPath(string $path): string
     {
-        $parts = explode("/" ,$path);
+        $parts = explode('/', $path);
         //Remove the part with
         unset($parts[1]);
-        return implode("/", $parts);
+
+        return implode('/', $parts);
     }
 
     public function generateEntityURL(DBElement $entity, string $method = 'info'): string
diff --git a/src/Validator/Constraints/AllowedFileExtension.php b/src/Validator/Constraints/AllowedFileExtension.php
index fbccaf31..f28084b7 100644
--- a/src/Validator/Constraints/AllowedFileExtension.php
+++ b/src/Validator/Constraints/AllowedFileExtension.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 
 /**
  * @Annotation
- * @package App\Validator\Constraints
  */
 class AllowedFileExtension extends Constraint
 {
-
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/AllowedFileExtensionValidator.php b/src/Validator/Constraints/AllowedFileExtensionValidator.php
index 6d716605..bb2eed14 100644
--- a/src/Validator/Constraints/AllowedFileExtensionValidator.php
+++ b/src/Validator/Constraints/AllowedFileExtensionValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Services\Attachments\FileTypeFilterTools;
 use Symfony\Component\Form\FormInterface;
@@ -33,7 +31,6 @@ use Symfony\Component\Validator\Exception\UnexpectedTypeException;
 
 class AllowedFileExtensionValidator extends ConstraintValidator
 {
-
     protected $filterTools;
 
     public function __construct(FileTypeFilterTools $filterTools)
@@ -44,7 +41,7 @@ class AllowedFileExtensionValidator extends ConstraintValidator
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -66,7 +63,7 @@ class AllowedFileExtensionValidator extends ConstraintValidator
             $attachment_type = $attachment->getAttachmentType();
 
             //Only validate if the attachment type has specified an filetype filter:
-            if ($attachment_type === null || empty($attachment_type->getFiletypeFilter())) {
+            if (null === $attachment_type || empty($attachment_type->getFiletypeFilter())) {
                 return;
             }
 
@@ -76,7 +73,6 @@ class AllowedFileExtensionValidator extends ConstraintValidator
             )) {
                 $this->context->buildViolation('validator.file_ext_not_allowed')->addViolation();
             }
-
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/NoLockout.php b/src/Validator/Constraints/NoLockout.php
index b41968cf..33cb9ba5 100644
--- a/src/Validator/Constraints/NoLockout.php
+++ b/src/Validator/Constraints/NoLockout.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,20 +17,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 
 /**
- * This constraint restricts a user in that way that it can not lock itself out of the user system
- * @package App\Validator\Constraints
+ * This constraint restricts a user in that way that it can not lock itself out of the user system.
+ *
  * @Annotation
  */
 class NoLockout extends Constraint
 {
-    public $message = "validator.noLockout";
-}
\ No newline at end of file
+    public $message = 'validator.noLockout';
+}
diff --git a/src/Validator/Constraints/NoLockoutValidator.php b/src/Validator/Constraints/NoLockoutValidator.php
index 2c6673b0..81d0345d 100644
--- a/src/Validator/Constraints/NoLockoutValidator.php
+++ b/src/Validator/Constraints/NoLockoutValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,14 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use App\Services\PermissionResolver;
-use Doctrine\ORM\EntityManager;
 use Doctrine\ORM\EntityManagerInterface;
-use Doctrine\ORM\Mapping\Entity;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Security\Core\Security;
 use Symfony\Component\Validator\Constraint;
@@ -36,7 +32,6 @@ use Symfony\Component\Validator\ConstraintValidator;
 
 class NoLockoutValidator extends ConstraintValidator
 {
-
     protected $resolver;
     protected $perm_structure;
     protected $security;
@@ -53,7 +48,7 @@ class NoLockoutValidator extends ConstraintValidator
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -62,24 +57,22 @@ class NoLockoutValidator extends ConstraintValidator
             throw new UnexpectedTypeException($constraint, NoLockout::class);
         }
 
-
         $perm_holder = $value;
 
         //Prevent that a user revokes its own change_permission perm (prevent the user to lock out itself)
         if ($perm_holder instanceof User || $perm_holder instanceof Group) {
-
             $user = $this->security->getUser();
 
-            if ($user === null) {
+            if (null === $user) {
                 $user = $this->entityManager->getRepository(User::class)->getAnonymousUser();
             }
 
             if ($user instanceof User) {
                 //Check if we the change_permission permission has changed from allow to disallow
-                if (($this->resolver->inherit($user, 'users', 'edit_permissions') ?? false) === false) {
+                if (false === ($this->resolver->inherit($user, 'users', 'edit_permissions') ?? false)) {
                     $this->context->addViolation($constraint->message);
                 }
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/NoneOfItsChildren.php b/src/Validator/Constraints/NoneOfItsChildren.php
index e222b3e4..1631b4e0 100644
--- a/src/Validator/Constraints/NoneOfItsChildren.php
+++ b/src/Validator/Constraints/NoneOfItsChildren.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
@@ -29,7 +28,6 @@ use Symfony\Component\Validator\Constraint;
  * of its children can be assigned.
  *
  * @Annotation
- * @package App\Validator\Constraints
  */
 class NoneOfItsChildren extends Constraint
 {
@@ -42,4 +40,4 @@ class NoneOfItsChildren extends Constraint
     {
         return parent::validatedBy(); // TODO: Change the autogenerated stub
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/NoneOfItsChildrenValidator.php b/src/Validator/Constraints/NoneOfItsChildrenValidator.php
index 8fe01c31..7292109b 100644
--- a/src/Validator/Constraints/NoneOfItsChildrenValidator.php
+++ b/src/Validator/Constraints/NoneOfItsChildrenValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,30 +17,25 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Entity\Base\StructuralDBElement;
-use Symfony\Bundle\MakerBundle\Str;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
-use Symfony\Component\Validator\Context\ExecutionContextInterface;
 use Symfony\Component\Validator\Exception\UnexpectedValueException;
 
 /**
  * The validator for the NoneOfItsChildren annotation.
- * @package App\Validator\Constraints
  */
 class NoneOfItsChildrenValidator extends ConstraintValidator
 {
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -67,7 +62,7 @@ class NoneOfItsChildrenValidator extends ConstraintValidator
 
         // Check if the targeted parent is the object itself:
         $entity_id = $entity->getID();
-        if ($entity_id !== null && $entity_id === $value->getID()) {
+        if (null !== $entity_id && $entity_id === $value->getID()) {
             //Set the entity to a valid state
             $entity->setParent(null);
             $this->context->buildViolation($constraint->self_message)->addViolation();
@@ -80,7 +75,8 @@ class NoneOfItsChildrenValidator extends ConstraintValidator
             //Set the entity to a valid state
             $entity->setParent(null);
             $this->context->buildViolation($constraint->children_message)->addViolation();
+
             return;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/Selectable.php b/src/Validator/Constraints/Selectable.php
index 92d600ea..9b41aea0 100644
--- a/src/Validator/Constraints/Selectable.php
+++ b/src/Validator/Constraints/Selectable.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,19 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 
 /**
  * If a property is marked with this constraint, the choosen value (of type StructuralDBElement)
  * must NOT be marked as not selectable.
  *
- * @package App\Validator\Constraints
  * @Annotation
  */
 class Selectable extends Constraint
 {
     public $message = 'validator.isSelectable';
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/SelectableValidator.php b/src/Validator/Constraints/SelectableValidator.php
index 8c1c7a41..6b3b584a 100644
--- a/src/Validator/Constraints/SelectableValidator.php
+++ b/src/Validator/Constraints/SelectableValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
@@ -30,15 +29,13 @@ use Symfony\Component\Validator\Exception\UnexpectedValueException;
 
 /**
  * The validator for the Selectable constraint.
- * @package App\Validator\Constraints
  */
 class SelectableValidator extends ConstraintValidator
 {
-
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed                                   $value      The value that should be validated
      * @param \Symfony\Component\Validator\Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -66,4 +63,4 @@ class SelectableValidator extends ConstraintValidator
                 ->addViolation();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/UrlOrBuiltin.php b/src/Validator/Constraints/UrlOrBuiltin.php
index 308149b1..84f55107 100644
--- a/src/Validator/Constraints/UrlOrBuiltin.php
+++ b/src/Validator/Constraints/UrlOrBuiltin.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,20 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Entity\Attachments\Attachment;
 use Symfony\Component\Validator\Constraints\Url;
 
 /**
- * Constraints the field that way that the content is either a url or a path to a builtin ressource (like %FOOTPRINTS%)
- * @package App\Validator\Constraints
+ * Constraints the field that way that the content is either a url or a path to a builtin ressource (like %FOOTPRINTS%).
+ *
  * @Annotation
  */
 class UrlOrBuiltin extends Url
 {
     /** @var array A list of the placeholders that are treated as builtin */
     public $allowed_placeholders = Attachment::BUILTIN_PLACEHOLDER;
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/UrlOrBuiltinValidator.php b/src/Validator/Constraints/UrlOrBuiltinValidator.php
index 5b9f93a6..54ebe2f6 100644
--- a/src/Validator/Constraints/UrlOrBuiltinValidator.php
+++ b/src/Validator/Constraints/UrlOrBuiltinValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\Constraints\UrlValidator;
 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
@@ -32,7 +30,6 @@ use Symfony\Component\Validator\Exception\UnexpectedValueException;
  * The validator for UrlOrBuiltin.
  * It checks if the value is either a builtin ressource or a valid url.
  * In both cases it is not checked, if the ressource is really existing.
- * @package App\Validator\Constraints
  */
 class UrlOrBuiltinValidator extends UrlValidator
 {
@@ -56,12 +53,10 @@ class UrlOrBuiltinValidator extends UrlValidator
         //After the %PLACEHOLDER% comes a slash, so we can check if we have a placholder via explode
         $tmp = explode('/', $value);
         //Builtins must have a %PLACEHOLDER% construction
-        if (!empty($tmp) && in_array($tmp[0], $constraint->allowed_placeholders, false)) {
+        if (!empty($tmp) && \in_array($tmp[0], $constraint->allowed_placeholders, false)) {
             return;
         }
 
         parent::validate($value, $constraint); // TODO: Change the autogenerated stub
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidFileFilter.php b/src/Validator/Constraints/ValidFileFilter.php
index 7b1aa026..01525376 100644
--- a/src/Validator/Constraints/ValidFileFilter.php
+++ b/src/Validator/Constraints/ValidFileFilter.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 
 /**
  * @Annotation
- * @package App\Validator\Constraints
  */
 class ValidFileFilter extends Constraint
 {
-
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidFileFilterValidator.php b/src/Validator/Constraints/ValidFileFilterValidator.php
index 82e389f0..9b811345 100644
--- a/src/Validator/Constraints/ValidFileFilterValidator.php
+++ b/src/Validator/Constraints/ValidFileFilterValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Services\Attachments\FileTypeFilterTools;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
@@ -31,7 +29,6 @@ use Symfony\Component\Validator\Exception\UnexpectedValueException;
 
 class ValidFileFilterValidator extends ConstraintValidator
 {
-
     protected $filterTools;
 
     public function __construct(FileTypeFilterTools $filterTools)
@@ -42,7 +39,7 @@ class ValidFileFilterValidator extends ConstraintValidator
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -55,7 +52,7 @@ class ValidFileFilterValidator extends ConstraintValidator
             return;
         }
 
-        if (!is_string($value)) {
+        if (!\is_string($value)) {
             // throw this exception if your validator cannot handle the passed type so that it can be marked as invalid
             throw new UnexpectedValueException($value, 'string');
         }
@@ -65,4 +62,4 @@ class ValidFileFilterValidator extends ConstraintValidator
                 ->addViolation();
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidPartLot.php b/src/Validator/Constraints/ValidPartLot.php
index a6b35328..a6003c3d 100644
--- a/src/Validator/Constraints/ValidPartLot.php
+++ b/src/Validator/Constraints/ValidPartLot.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
@@ -26,9 +25,8 @@ use Symfony\Component\Validator\Constraint;
 
 /**
  * A constraint "dummy" to validate the PartLot.
- * We need to access services in our Validator, so we can not use a simple callback on PartLot
+ * We need to access services in our Validator, so we can not use a simple callback on PartLot.
  *
- * @package App\Validator\Constraints
  * @Annotation
  */
 class ValidPartLot extends Constraint
@@ -37,4 +35,4 @@ class ValidPartLot extends Constraint
     {
         return self::CLASS_CONSTRAINT;
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidPartLotValidator.php b/src/Validator/Constraints/ValidPartLotValidator.php
index edda0b4e..73210820 100644
--- a/src/Validator/Constraints/ValidPartLotValidator.php
+++ b/src/Validator/Constraints/ValidPartLotValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,15 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use App\Entity\Parts\PartLot;
 use Doctrine\ORM\EntityManagerInterface;
-use Symfony\Component\DependencyInjection\Compiler\ValidateEnvPlaceholdersPass;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
 use Symfony\Component\Validator\Constraint;
 use Symfony\Component\Validator\ConstraintValidator;
@@ -42,7 +39,7 @@ class ValidPartLotValidator extends ConstraintValidator
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -77,7 +74,6 @@ class ValidPartLotValidator extends ConstraintValidator
                 }
             }
 
-
             //Check for onlyExisting
             if ($value->getStorageLocation()->isLimitToExistingParts()) {
                 if (!$parts->contains($value->getPart())) {
@@ -95,4 +91,4 @@ class ValidPartLotValidator extends ConstraintValidator
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidPermission.php b/src/Validator/Constraints/ValidPermission.php
index 235005dc..16556433 100644
--- a/src/Validator/Constraints/ValidPermission.php
+++ b/src/Validator/Constraints/ValidPermission.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,21 +17,18 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
 use Symfony\Component\Validator\Constraint;
 
 /**
  * A PermissionEmbed object with this annotation will be checked with ValidPermissionValidator.
  * That means the alsoSet values of the permission operations are set.
+ *
  * @Annotation
- * @package App\Validator\Constraints
  */
 class ValidPermission extends Constraint
 {
-
-}
\ No newline at end of file
+}
diff --git a/src/Validator/Constraints/ValidPermissionValidator.php b/src/Validator/Constraints/ValidPermissionValidator.php
index b0eb8299..539477a0 100644
--- a/src/Validator/Constraints/ValidPermissionValidator.php
+++ b/src/Validator/Constraints/ValidPermissionValidator.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,14 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Validator\Constraints;
 
-
-use App\Entity\Parts\PartLot;
-use App\Entity\UserSystem\PermissionsEmbed;
 use App\Security\Interfaces\HasPermissionsInterface;
 use App\Services\PermissionResolver;
 use Symfony\Component\Form\Exception\UnexpectedTypeException;
@@ -33,7 +29,6 @@ use Symfony\Component\Validator\ConstraintValidator;
 
 class ValidPermissionValidator extends ConstraintValidator
 {
-
     protected $resolver;
     protected $perm_structure;
 
@@ -46,7 +41,7 @@ class ValidPermissionValidator extends ConstraintValidator
     /**
      * Checks if the passed value is valid.
      *
-     * @param mixed $value The value that should be validated
+     * @param mixed      $value      The value that should be validated
      * @param Constraint $constraint The constraint for the validation
      */
     public function validate($value, Constraint $constraint)
@@ -62,7 +57,7 @@ class ValidPermissionValidator extends ConstraintValidator
         foreach ($this->perm_structure['perms'] as $perm_key => $permission) {
             foreach ($permission['operations'] as $op_key => $op) {
                 if (!empty($op['alsoSet']) &&
-                    $this->resolver->dontInherit($perm_holder, $perm_key, $op_key) === true) {
+                    true === $this->resolver->dontInherit($perm_holder, $perm_key, $op_key)) {
                     //Set every op listed in also Set
                     foreach ($op['alsoSet'] as $set_also) {
                         $this->resolver->setPermission($perm_holder, $perm_key, $set_also, true);
@@ -71,4 +66,4 @@ class ValidPermissionValidator extends ConstraintValidator
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/AbstractAdminControllerTest.php b/tests/Controller/AdminPages/AbstractAdminControllerTest.php
index f25535b7..0f19f804 100644
--- a/tests/Controller/AdminPages/AbstractAdminControllerTest.php
+++ b/tests/Controller/AdminPages/AbstractAdminControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,29 +17,21 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
-use Doctrine\ORM\EntityManager;
-use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 use Symfony\Component\Security\Core\Exception\AccessDeniedException;
-use Symfony\Component\Security\Core\Security;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 abstract class AbstractAdminControllerTest extends WebTestCase
 {
     protected static $base_path = 'not_valid';
     protected static $entity_class = 'not valid';
 
-
     public function setUp()
     {
         parent::setUp();
@@ -52,7 +44,7 @@ abstract class AbstractAdminControllerTest extends WebTestCase
             ['noread', false],
             ['anonymous', true],
             ['user', true],
-            ['admin', true]
+            ['admin', true],
         ];
     }
 
@@ -66,20 +58,20 @@ abstract class AbstractAdminControllerTest extends WebTestCase
         //Test read access
         $client = static::createClient([], [
             'PHP_AUTH_USER' => $user,
-            'PHP_AUTH_PW'   => 'test',
+            'PHP_AUTH_PW' => 'test',
         ]);
 
-        if ($read == false) {
+        if (false == $read) {
             $this->expectException(AccessDeniedException::class);
         }
 
         $client->catchExceptions(false);
 
         //Test read/list access by access /new overview page
-        $crawler = $client->request('GET', static::$base_path . '/new');
+        $crawler = $client->request('GET', static::$base_path.'/new');
         $this->assertFalse($client->getResponse()->isRedirect());
-        $this->assertEquals($read, $client->getResponse()->isSuccessful(), "Controller was not successful!");
-        $this->assertEquals($read, !$client->getResponse()->isForbidden(), "Permission Checking not working!");
+        $this->assertEquals($read, $client->getResponse()->isSuccessful(), 'Controller was not successful!');
+        $this->assertEquals($read, !$client->getResponse()->isForbidden(), 'Permission Checking not working!');
     }
 
     /**
@@ -92,19 +84,19 @@ abstract class AbstractAdminControllerTest extends WebTestCase
         //Test read access
         $client = static::createClient([], [
             'PHP_AUTH_USER' => $user,
-            'PHP_AUTH_PW'   => 'test',
+            'PHP_AUTH_PW' => 'test',
         ]);
 
         $client->catchExceptions(false);
-        if ($read == false) {
+        if (false == $read) {
             $this->expectException(AccessDeniedException::class);
         }
 
         //Test read/list access by access /new overview page
-        $crawler = $client->request('GET', static::$base_path . '/1');
+        $crawler = $client->request('GET', static::$base_path.'/1');
         $this->assertFalse($client->getResponse()->isRedirect());
-        $this->assertEquals($read, $client->getResponse()->isSuccessful(), "Controller was not successful!");
-        $this->assertEquals($read, !$client->getResponse()->isForbidden(), "Permission Checking not working!");
+        $this->assertEquals($read, $client->getResponse()->isSuccessful(), 'Controller was not successful!');
+        $this->assertEquals($read, !$client->getResponse()->isForbidden(), 'Permission Checking not working!');
     }
 
     public function deleteDataProvider()
@@ -113,12 +105,13 @@ abstract class AbstractAdminControllerTest extends WebTestCase
             ['noread', false],
             ['anonymous', false],
             ['user', true],
-            ['admin', true]
+            ['admin', true],
         ];
     }
 
     /**
      * Tests if deleting an entity is working.
+     *
      * @group slow
      * @dataProvider deleteDataProvider
      */
@@ -127,20 +120,19 @@ abstract class AbstractAdminControllerTest extends WebTestCase
         //Test read access
         $client = static::createClient([], [
             'PHP_AUTH_USER' => $user,
-            'PHP_AUTH_PW'   => 'test',
+            'PHP_AUTH_PW' => 'test',
         ]);
 
         $client->catchExceptions(false);
-        if ($delete == false) {
-           $this->expectException(AccessDeniedException::class);
+        if (false == $delete) {
+            $this->expectException(AccessDeniedException::class);
         }
 
         //Test read/list access by access /new overview page
-        $crawler = $client->request('DELETE', static::$base_path . '/7');
+        $crawler = $client->request('DELETE', static::$base_path.'/7');
 
         //Page is redirected to '/new', when delete was successful
-        $this->assertEquals($delete, $client->getResponse()->isRedirect(static::$base_path . '/new'));
-        $this->assertEquals($delete, !$client->getResponse()->isForbidden(), "Permission Checking not working!");
+        $this->assertEquals($delete, $client->getResponse()->isRedirect(static::$base_path.'/new'));
+        $this->assertEquals($delete, !$client->getResponse()->isForbidden(), 'Permission Checking not working!');
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/AttachmentTypeControllerTest.php b/tests/Controller/AdminPages/AttachmentTypeControllerTest.php
index 18dc1002..d7cfd48c 100644
--- a/tests/Controller/AdminPages/AttachmentTypeControllerTest.php
+++ b/tests/Controller/AdminPages/AttachmentTypeControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,20 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
 use App\Entity\Attachments\AttachmentType;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class AttachmentTypeControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/attachment_type';
+    protected static $base_path = '/en'.'/attachment_type';
     protected static $entity_class = AttachmentType::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/CategoryControllerTest.php b/tests/Controller/AdminPages/CategoryControllerTest.php
index bc1389f3..48a5cff0 100644
--- a/tests/Controller/AdminPages/CategoryControllerTest.php
+++ b/tests/Controller/AdminPages/CategoryControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
@@ -26,10 +25,9 @@ use App\Entity\Parts\Category;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class CategoryControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/category';
+    protected static $base_path = '/en'.'/category';
     protected static $entity_class = Category::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/DeviceControllerTest.php b/tests/Controller/AdminPages/DeviceControllerTest.php
index 4e83d526..a608ace9 100644
--- a/tests/Controller/AdminPages/DeviceControllerTest.php
+++ b/tests/Controller/AdminPages/DeviceControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,21 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
 use App\Entity\Devices\Device;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class DeviceControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/device';
+    protected static $base_path = '/en'.'/device';
     protected static $entity_class = Device::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/FootprintControllerTest.php b/tests/Controller/AdminPages/FootprintControllerTest.php
index f4a3b316..14e8ecb1 100644
--- a/tests/Controller/AdminPages/FootprintControllerTest.php
+++ b/tests/Controller/AdminPages/FootprintControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,21 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
 use App\Entity\Parts\Footprint;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class FootprintControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/footprint';
+    protected static $base_path = '/en'.'/footprint';
     protected static $entity_class = Footprint::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/ManufacturerControllerTest.php b/tests/Controller/AdminPages/ManufacturerControllerTest.php
index 63507190..134ef8a5 100644
--- a/tests/Controller/AdminPages/ManufacturerControllerTest.php
+++ b/tests/Controller/AdminPages/ManufacturerControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,22 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
-use App\Entity\Devices\Device;
 use App\Entity\Parts\Manufacturer;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class ManufacturerControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/manufacturer';
+    protected static $base_path = '/en'.'/manufacturer';
     protected static $entity_class = Manufacturer::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/MeasurementUnitControllerTest.php b/tests/Controller/AdminPages/MeasurementUnitControllerTest.php
index 314bcea9..ac576409 100644
--- a/tests/Controller/AdminPages/MeasurementUnitControllerTest.php
+++ b/tests/Controller/AdminPages/MeasurementUnitControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,23 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\MeasurementUnit;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class MeasurementUnitControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/measurement_unit';
+    protected static $base_path = '/en'.'/measurement_unit';
     protected static $entity_class = MeasurementUnit::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/StorelocationControllerTest.php b/tests/Controller/AdminPages/StorelocationControllerTest.php
index 12bdad51..b92f5bf9 100644
--- a/tests/Controller/AdminPages/StorelocationControllerTest.php
+++ b/tests/Controller/AdminPages/StorelocationControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,24 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Storelocation;
-use Symfony\Component\HttpKernel\HttpCache\Store;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class StorelocationControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/store_location';
+    protected static $base_path = '/en'.'/store_location';
     protected static $entity_class = Storelocation::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/AdminPages/SupplierControllerTest.php b/tests/Controller/AdminPages/SupplierControllerTest.php
index a3a6fac3..a085bfae 100644
--- a/tests/Controller/AdminPages/SupplierControllerTest.php
+++ b/tests/Controller/AdminPages/SupplierControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,23 +17,17 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller\AdminPages;
 
-
-use App\Entity\Attachments\AttachmentType;
-use App\Entity\Devices\Device;
-use App\Entity\Parts\Manufacturer;
 use App\Entity\Parts\Supplier;
 
 /**
  * @group slow
- * @package App\Tests\Controller\AdminPages
  */
 class SupplierControllerTest extends AbstractAdminControllerTest
 {
-    protected static $base_path = '/en' . '/supplier';
+    protected static $base_path = '/en'.'/supplier';
     protected static $entity_class = Supplier::class;
-}
\ No newline at end of file
+}
diff --git a/tests/Controller/RedirectControllerTest.php b/tests/Controller/RedirectControllerTest.php
index 3a0fcdf6..f5a324a4 100644
--- a/tests/Controller/RedirectControllerTest.php
+++ b/tests/Controller/RedirectControllerTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Controller;
 
-
 use Doctrine\ORM\EntityManagerInterface;
 use Proxies\__CG__\App\Entity\UserSystem\User;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 /**
  * @group slow
- * @package App\Tests\Controller
  */
 class RedirectControllerTest extends WebTestCase
 {
@@ -59,6 +56,7 @@ class RedirectControllerTest extends WebTestCase
 
     /**
      * Test if a certain request to an url will be redirected.
+     *
      * @dataProvider urlMatchDataProvider
      * @group slow
      */
@@ -67,7 +65,7 @@ class RedirectControllerTest extends WebTestCase
         $client = static::createClient();
         $client->request('GET', $url);
         $response = $client->getResponse();
-        if($expect_redirect) {
+        if ($expect_redirect) {
             $this->assertEquals(302, $response->getStatusCode());
         }
         $this->assertEquals($expect_redirect, $response->isRedirect());
@@ -90,9 +88,11 @@ class RedirectControllerTest extends WebTestCase
 
     /**
      * Test if the user is redirected to the localized version of a page, based on his settings.
+     *
      * @dataProvider urlAddLocaleDataProvider
      * @group slow
      * @depends testUrlMatch
+     *
      * @param $user_locale
      * @param $input_path
      * @param $redirect_path
@@ -100,7 +100,7 @@ class RedirectControllerTest extends WebTestCase
     public function testAddLocale($user_locale, $input_path, $redirect_path)
     {
         //Redirect path is absolute
-        $redirect_path = 'http://localhost' . $redirect_path;
+        $redirect_path = 'http://localhost'.$redirect_path;
 
         /** @var User $user */
         $user = $this->userRepo->findOneBy(['name' => 'user']);
@@ -110,7 +110,7 @@ class RedirectControllerTest extends WebTestCase
 
         $client = static::createClient([], [
             'PHP_AUTH_USER' => 'user',
-            'PHP_AUTH_PW'   => 'test',
+            'PHP_AUTH_PW' => 'test',
         ]);
 
         $client->followRedirects(false);
@@ -119,7 +119,8 @@ class RedirectControllerTest extends WebTestCase
     }
 
     /**
-     * Test if the user is redirected to password change page if he should do that
+     * Test if the user is redirected to password change page if he should do that.
+     *
      * @depends testAddLocale
      * @group slow
      * @testWith    ["de"]
@@ -137,13 +138,11 @@ class RedirectControllerTest extends WebTestCase
 
         $client = static::createClient([], [
             'PHP_AUTH_USER' => 'user',
-            'PHP_AUTH_PW'   => 'test',
+            'PHP_AUTH_PW' => 'test',
         ]);
         $client->followRedirects(false);
 
         $client->request('GET', '/part/3');
         $this->assertEquals("/$locale/user/settings", $client->getResponse()->headers->get('Location'));
-
-
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/Attachments/AttachmentTest.php b/tests/Entity/Attachments/AttachmentTest.php
index 1a908758..b39e1f62 100644
--- a/tests/Entity/Attachments/AttachmentTest.php
+++ b/tests/Entity/Attachments/AttachmentTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\Attachments;
 
-
 use App\Entity\Attachments\Attachment;
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Attachments\AttachmentTypeAttachment;
@@ -50,11 +48,10 @@ use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\User;
 use PHPUnit\Framework\TestCase;
 use ReflectionClass;
-use Symfony\Component\HttpKernel\HttpCache\Store;
 
 class AttachmentTest extends TestCase
 {
-    public function testEmptyState() : void
+    public function testEmptyState(): void
     {
         $attachment = new PartAttachment();
 
@@ -73,7 +70,7 @@ class AttachmentTest extends TestCase
         $this->assertEmpty($attachment->getFilename());
     }
 
-    public function subClassesDataProvider() : array
+    public function subClassesDataProvider(): array
     {
         return [
             [AttachmentTypeAttachment::class, AttachmentType::class],
@@ -87,16 +84,14 @@ class AttachmentTest extends TestCase
             [PartAttachment::class, Part::class],
             [StorelocationAttachment::class, Storelocation::class],
             [SupplierAttachment::class, Supplier::class],
-            [UserAttachment::class, User::class]
+            [UserAttachment::class, User::class],
         ];
     }
 
     /**
      * @dataProvider subClassesDataProvider
-     * @param string $attachment_class
-     * @param string $allowed_class
      */
-    public function testSetElement(string $attachment_class, string $allowed_class) : void
+    public function testSetElement(string $attachment_class, string $allowed_class): void
     {
         /** @var Attachment $attachment */
         $attachment = new $attachment_class();
@@ -110,16 +105,17 @@ class AttachmentTest extends TestCase
     /**
      * Test that all attachment subclasses like PartAttachment or similar returns an exception, when an not allowed
      * element is passed.
+     *
      * @dataProvider subClassesDataProvider
      * @depends  testSetElement
      */
-    public function testSetElementExceptionOnSubClasses(string $attachment_class, string $allowed_class) : void
+    public function testSetElementExceptionOnSubClasses(string $attachment_class, string $allowed_class): void
     {
         $this->expectException(\InvalidArgumentException::class);
 
         /** @var Attachment $attachment */
         $attachment = new $attachment_class();
-        if ($allowed_class !== Device::class) {
+        if (Device::class !== $allowed_class) {
             $element = new Device();
         } else {
             $element = new Category();
@@ -138,7 +134,7 @@ class AttachmentTest extends TestCase
             ['%SECURE%/test.txt', false],
             ['%test%/foo/bar.ghp', true],
             ['foo%MEDIA%/foo.jpg', true],
-            ['foo%MEDIA%/%BASE%foo.jpg', true]
+            ['foo%MEDIA%/%BASE%foo.jpg', true],
         ];
     }
 
@@ -211,7 +207,7 @@ class AttachmentTest extends TestCase
             ['%BASE%/foo/bar.txt', false],
             ['/', false],
             ['https://google.de', false],
-            ['%FOOTPRINTS%/foo/bar.txt', true]
+            ['%FOOTPRINTS%/foo/bar.txt', true],
         ];
     }
 
@@ -249,7 +245,7 @@ class AttachmentTest extends TestCase
         return [
             ['%MEDIA%/foo/bar.txt', null, 'bar.txt'],
             ['%MEDIA%/foo/bar.JPeg', 'test.txt', 'test.txt'],
-            ['https://www.google.de/test.txt', null, null]
+            ['https://www.google.de/test.txt', null, null],
         ];
     }
 
@@ -278,11 +274,11 @@ class AttachmentTest extends TestCase
     }
 
     /**
-     * Sets a protected property on a given object via reflection
+     * Sets a protected property on a given object via reflection.
      *
-     * @param object $object - instance in which protected value is being modified
+     * @param object $object   - instance in which protected value is being modified
      * @param string $property - property on instance being modified
-     * @param mixed $value - new value of the property being modified
+     * @param mixed  $value    - new value of the property being modified
      *
      * @return void
      */
@@ -293,5 +289,4 @@ class AttachmentTest extends TestCase
         $reflection_property->setAccessible(true);
         $reflection_property->setValue($object, $value);
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/Attachments/AttachmentTypeTest.php b/tests/Entity/Attachments/AttachmentTypeTest.php
index ecdbf9af..1754cb3f 100644
--- a/tests/Entity/Attachments/AttachmentTypeTest.php
+++ b/tests/Entity/Attachments/AttachmentTypeTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\Attachments;
 
-
 use App\Entity\Attachments\AttachmentType;
 use Doctrine\Common\Collections\Collection;
 use PHPUnit\Framework\TestCase;
@@ -35,4 +33,4 @@ class AttachmentTypeTest extends TestCase
         $this->assertInstanceOf(Collection::class, $attachment_type->getAttachmentsForType());
         $this->assertEmpty($attachment_type->getFiletypeFilter());
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/Parts/PartLotTest.php b/tests/Entity/Parts/PartLotTest.php
index ed6b9acd..84fe5f62 100644
--- a/tests/Entity/Parts/PartLotTest.php
+++ b/tests/Entity/Parts/PartLotTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\Parts;
 
-
 use App\Entity\Parts\PartLot;
 use PHPUnit\Framework\TestCase;
 
@@ -41,4 +39,4 @@ class PartLotTest extends TestCase
         $lot->setExpirationDate($datetime->setTimestamp(strtotime('now -1 hour')));
         $this->assertTrue($lot->isExpired(), 'Lot with expiration date in the past must be expired!');
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/Parts/PartTest.php b/tests/Entity/Parts/PartTest.php
index dd522b6f..6842ee3b 100644
--- a/tests/Entity/Parts/PartTest.php
+++ b/tests/Entity/Parts/PartTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\Parts;
 
-
 use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
 use App\Entity\Parts\PartLot;
@@ -109,4 +107,4 @@ class PartTest extends TestCase
         $measurement_unit->setIsInteger(true);
         $this->assertEquals(1000000013, $part->getAmountSum());
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/PriceSystem/CurrencyTest.php b/tests/Entity/PriceSystem/CurrencyTest.php
index e5895a33..46540581 100644
--- a/tests/Entity/PriceSystem/CurrencyTest.php
+++ b/tests/Entity/PriceSystem/CurrencyTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\PriceSystem;
 
-
 use App\Entity\PriceInformations\Currency;
 use PHPUnit\Framework\TestCase;
 
@@ -38,7 +36,7 @@ class CurrencyTest extends TestCase
         $currency->setExchangeRate('0');
         $this->assertNull($currency->getInverseExchangeRate());
 
-        $currency->setExchangeRate("1.45643");
-        $this->assertEquals("0.68661", $currency->getInverseExchangeRate());
+        $currency->setExchangeRate('1.45643');
+        $this->assertEquals('0.68661', $currency->getInverseExchangeRate());
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/PriceSystem/OrderdetailTest.php b/tests/Entity/PriceSystem/OrderdetailTest.php
index 41bae66c..d9ae8666 100644
--- a/tests/Entity/PriceSystem/OrderdetailTest.php
+++ b/tests/Entity/PriceSystem/OrderdetailTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\PriceSystem;
 
-
 use App\Entity\PriceInformations\Orderdetail;
 use App\Entity\PriceInformations\Pricedetail;
 use Doctrine\Common\Collections\Collection;
@@ -62,4 +60,4 @@ class OrderdetailTest extends TestCase
         $this->assertEquals($price5, $orderdetail->findPriceForQty(5.3));
         $this->assertEquals($price5, $orderdetail->findPriceForQty(10000));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/PriceSystem/PricedetailTest.php b/tests/Entity/PriceSystem/PricedetailTest.php
index 0af86e10..860fc48a 100644
--- a/tests/Entity/PriceSystem/PricedetailTest.php
+++ b/tests/Entity/PriceSystem/PricedetailTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,13 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\PriceSystem;
 
-
-use App\Entity\Parts\MeasurementUnit;
 use App\Entity\Parts\Part;
 use App\Entity\PriceInformations\Orderdetail;
 use App\Entity\PriceInformations\Pricedetail;
@@ -42,7 +39,6 @@ class PricedetailTest extends TestCase
         $this->assertEquals('43.58000', $pricedetail->getPricePerUnit());
         $this->assertEquals('139.45600', $pricedetail->getPricePerUnit('3.2'));
 
-
         $pricedetail->setPrice('10000000.2345'); //Ten million
         $pricedetail->setPriceRelatedQuantity(1.234e9); //100 billion
         $this->assertEquals('0.00810', $pricedetail->getPricePerUnit());
@@ -61,7 +57,6 @@ class PricedetailTest extends TestCase
         $orderdetail2 = $this->createMock(Orderdetail::class);
         $orderdetail2->method('getPart')->willReturn($part2);
 
-
         //By default a price detail returns 1
         $this->assertEquals(1, $pricedetail->getPriceRelatedQuantity());
 
@@ -90,7 +85,6 @@ class PricedetailTest extends TestCase
         $orderdetail2 = $this->createMock(Orderdetail::class);
         $orderdetail2->method('getPart')->willReturn($part2);
 
-
         //By default a price detail returns 1
         $this->assertEquals(1, $pricedetail->getMinDiscountQuantity());
 
@@ -105,4 +99,4 @@ class PricedetailTest extends TestCase
         $pricedetail->setOrderdetail($orderdetail2);
         $this->assertEquals(0.23, $pricedetail->getMinDiscountQuantity());
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/StructuralDBElementTest.php b/tests/Entity/StructuralDBElementTest.php
index a86ab11b..eef6cb2a 100644
--- a/tests/Entity/StructuralDBElementTest.php
+++ b/tests/Entity/StructuralDBElementTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity;
 
-
 use App\Entity\Attachments\AttachmentType;
 use App\Entity\Parts\Category;
 use PHPUnit\Framework\TestCase;
@@ -31,7 +29,6 @@ use Symfony\Component\Yaml\Tests\A;
 /**
  * Test StructuralDBElement entities.
  * Note: Because StructuralDBElement is abstract we use AttachmentType here as a placeholder.
- * @package App\Tests\Entity
  */
 class StructuralDBElementTest extends TestCase
 {
@@ -92,7 +89,8 @@ class StructuralDBElementTest extends TestCase
     public function testChildOfExtendedClass()
     {
         //Doctrine extends the entities for proxy classes so the isChildOf mus also work for inheritance types
-        $inheritance = new class extends AttachmentType {};
+        $inheritance = new class() extends AttachmentType {
+        };
         $inheritance->setParent($this->root);
         $this->assertTrue($inheritance->isChildOf($this->root));
         $this->assertFalse($this->root->isChildOf($inheritance));
@@ -119,5 +117,4 @@ class StructuralDBElementTest extends TestCase
         $this->assertEquals([$this->root, $this->child1], $this->child1->getPathArray());
         $this->assertEquals([$this->root], $this->root->getPathArray());
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/Entity/UserSystem/PermissionsEmbedTest.php b/tests/Entity/UserSystem/PermissionsEmbedTest.php
index 3a53cd83..936be474 100644
--- a/tests/Entity/UserSystem/PermissionsEmbedTest.php
+++ b/tests/Entity/UserSystem/PermissionsEmbedTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\UserSystem;
@@ -25,7 +24,6 @@ namespace App\Tests\Entity\UserSystem;
 use App\Entity\UserSystem\PermissionsEmbed;
 use Doctrine\ORM\Mapping\Embedded;
 use PHPUnit\Framework\TestCase;
-use Symfony\Component\Security\Http\RememberMe\PersistentTokenBasedRememberMeServices;
 
 class PermissionsEmbedTest extends TestCase
 {
@@ -40,29 +38,28 @@ class PermissionsEmbedTest extends TestCase
         //For newly created embedded, all things should be set to inherit => null
         //Test both normal name and constants
 
-        $this->assertNull( $embed->getPermissionValue(PermissionsEmbed::PARTS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::CONFIG, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::ATTACHMENT_TYPES, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::CATEGORIES, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::DATABASE, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::DEVICE_PARTS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::DEVICES, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::FOOTRPINTS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::GROUPS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::DATABASE, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::LABELS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::MANUFACTURERS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_ATTACHMENTS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_COMMENT, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_DESCRIPTION, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_FOOTPRINT, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_MANUFACTURER, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_MINAMOUNT, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_NAME, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_ORDER, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::PARTS_ORDERDETAILS, 0));
-        $this->assertEquals(null, $embed->getPermissionValue(PermissionsEmbed::USERS, 0));
-
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::CONFIG, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::ATTACHMENT_TYPES, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::CATEGORIES, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::DATABASE, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::DEVICE_PARTS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::DEVICES, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::FOOTRPINTS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::GROUPS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::DATABASE, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::LABELS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::MANUFACTURERS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_ATTACHMENTS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_COMMENT, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_DESCRIPTION, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_FOOTPRINT, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_MANUFACTURER, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_MINAMOUNT, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_NAME, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_ORDER, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS_ORDERDETAILS, 0));
+        $this->assertNull($embed->getPermissionValue(PermissionsEmbed::USERS, 0));
 
         //Set a value for testing to the part property
         $reflection = new \ReflectionClass($embed);
@@ -77,13 +74,10 @@ class PermissionsEmbedTest extends TestCase
         $this->assertTrue($embed->getPermissionValue(PermissionsEmbed::PARTS, 4));
         // 11 is reserved, but it should be also treat as INHERIT.
         $this->assertNull($embed->getPermissionValue(PermissionsEmbed::PARTS, 6));
-
-
     }
 
     public function testGetBitValue()
     {
-
         $embed = new PermissionsEmbed();
 
         //Set a value for testing to the part property
@@ -94,11 +88,11 @@ class PermissionsEmbedTest extends TestCase
         $property->setValue($embed, 0b11011000); // 11 01 10 00
 
         //Test if function is working correctly
-        $this->assertEquals(PermissionsEmbed::INHERIT ,$embed->getBitValue(PermissionsEmbed::PARTS, 0));
-        $this->assertEquals(PermissionsEmbed::DISALLOW ,$embed->getBitValue(PermissionsEmbed::PARTS, 2));
-        $this->assertEquals(PermissionsEmbed::ALLOW ,$embed->getBitValue(PermissionsEmbed::PARTS, 4));
+        $this->assertEquals(PermissionsEmbed::INHERIT, $embed->getBitValue(PermissionsEmbed::PARTS, 0));
+        $this->assertEquals(PermissionsEmbed::DISALLOW, $embed->getBitValue(PermissionsEmbed::PARTS, 2));
+        $this->assertEquals(PermissionsEmbed::ALLOW, $embed->getBitValue(PermissionsEmbed::PARTS, 4));
         // 11 is reserved, but it should be also treat as INHERIT.
-        $this->assertEquals(0b11 ,$embed->getBitValue(PermissionsEmbed::PARTS, 6));
+        $this->assertEquals(0b11, $embed->getBitValue(PermissionsEmbed::PARTS, 6));
     }
 
     public function testInvalidPermissionName()
@@ -139,7 +133,7 @@ class PermissionsEmbedTest extends TestCase
             'ALLOW' => [PermissionsEmbed::ALLOW],
             'DISALLOW' => [PermissionsEmbed::DISALLOW],
             'INHERIT' => [PermissionsEmbed::INHERIT],
-            '0b11' => [0b11]
+            '0b11' => [0b11],
         ];
     }
 
@@ -149,7 +143,7 @@ class PermissionsEmbedTest extends TestCase
             'ALLOW' => [true],
             'DISALLOW' => [false],
             'INHERIT' => [null],
-            '0b11' => [null]
+            '0b11' => [null],
         ];
     }
 
@@ -188,7 +182,7 @@ class PermissionsEmbedTest extends TestCase
         $embed->setRawPermissionValues([
             PermissionsEmbed::PARTS => 0,
             PermissionsEmbed::USERS => 100,
-            PermissionsEmbed::CATEGORIES => 1304
+            PermissionsEmbed::CATEGORIES => 1304,
         ]);
 
         $this->assertEquals(0, $embed->getRawPermissionValue(PermissionsEmbed::PARTS));
@@ -204,7 +198,5 @@ class PermissionsEmbedTest extends TestCase
         $this->assertEquals(0, $embed->getRawPermissionValue(PermissionsEmbed::PARTS));
         $this->assertEquals(100, $embed->getRawPermissionValue(PermissionsEmbed::USERS));
         $this->assertEquals(1304, $embed->getRawPermissionValue(PermissionsEmbed::CATEGORIES));
-
     }
-
 }
diff --git a/tests/Entity/UserSystem/UserTest.php b/tests/Entity/UserSystem/UserTest.php
index 99c6ed35..0ed8fdf2 100644
--- a/tests/Entity/UserSystem/UserTest.php
+++ b/tests/Entity/UserSystem/UserTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Entity\UserSystem;
 
-
 use App\Entity\UserSystem\User;
 use PHPUnit\Framework\TestCase;
 
@@ -38,4 +36,4 @@ class UserTest extends TestCase
         $this->assertEquals('John Doe', $user->getFullName(false));
         $this->assertEquals('John Doe (username)', $user->getFullName(true));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Helpers/BBCodeToMarkdownConverterTest.php b/tests/Helpers/BBCodeToMarkdownConverterTest.php
index a2064c94..34cfbfef 100644
--- a/tests/Helpers/BBCodeToMarkdownConverterTest.php
+++ b/tests/Helpers/BBCodeToMarkdownConverterTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Helpers;
 
-
 use App\Helpers\BBCodeToMarkdownConverter;
 use PHPUnit\Framework\TestCase;
 
@@ -50,6 +48,7 @@ class BBCodeToMarkdownConverterTest extends TestCase
 
     /**
      * @dataProvider dataProvider
+     *
      * @param $bbcode
      * @param $expected
      */
@@ -57,4 +56,4 @@ class BBCodeToMarkdownConverterTest extends TestCase
     {
         $this->assertEquals($expected, $this->converter->convert($bbcode));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Helpers/TreeViewNodeTest.php b/tests/Helpers/TreeViewNodeTest.php
index 4506809f..d3fda45a 100644
--- a/tests/Helpers/TreeViewNodeTest.php
+++ b/tests/Helpers/TreeViewNodeTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,18 +17,15 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Helpers;
 
-
 use App\Helpers\TreeViewNode;
 use PHPUnit\Framework\TestCase;
 
 class TreeViewNodeTest extends TestCase
 {
-
     /**
      * @var TreeViewNode
      */
@@ -40,18 +37,17 @@ class TreeViewNodeTest extends TestCase
 
     public function setUp()
     {
-        $sub_nodes = array();
-        $sub_nodes[] = new TreeViewNode("Subnode 1");
-        $sub_sub_nodes[] = array();
+        $sub_nodes = [];
+        $sub_nodes[] = new TreeViewNode('Subnode 1');
+        $sub_sub_nodes[] = [];
         $sub_sub_nodes[] = new TreeViewNode('Sub Subnode 1');
         $sub_sub_nodes[] = new TreeViewNode('Sub Subnode 2');
-        $sub_nodes[] = new TreeViewNode("Subnode 2");
+        $sub_nodes[] = new TreeViewNode('Subnode 2');
 
         //Init node1 with default arguments;
         $this->node1 = new TreeViewNode('Name');
         //Node 2 gets values for all arguments
         $this->node2 = new TreeViewNode('Name', 'www.foo.bar', $sub_nodes);
-
     }
 
     public function testConstructor()
@@ -62,10 +58,8 @@ class TreeViewNodeTest extends TestCase
         $this->assertEquals('Name', $this->node1->getText());
 
         //The second node must have the given things as properties.
-        $this->assertEquals('Name',$this->node2->getText());
+        $this->assertEquals('Name', $this->node2->getText());
         $this->assertEquals('www.foo.bar', $this->node2->getHref());
         $this->assertNotEmpty($this->node2->getNodes());
     }
-
-
-}
\ No newline at end of file
+}
diff --git a/tests/Services/AmountFormatterTest.php b/tests/Services/AmountFormatterTest.php
index 840a633d..cb2db8ea 100644
--- a/tests/Services/AmountFormatterTest.php
+++ b/tests/Services/AmountFormatterTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services;
 
-
 use App\Entity\Parts\MeasurementUnit;
 use App\Services\AmountFormatter;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
-use Symfony\Component\Intl\Locale\Locale;
 
 class AmountFormatterTest extends WebTestCase
 {
@@ -46,23 +43,23 @@ class AmountFormatterTest extends WebTestCase
 
     public function testFormatWithoutUnit()
     {
-        $this->assertEquals("2", $this->service->format(2.321));
-        $this->assertEquals("1002", $this->service->format(1002.356));
-        $this->assertEquals("1000454", $this->service->format(1000454.0));
-        $this->assertEquals("0", $this->service->format(0.01));
-        $this->assertEquals("0", $this->service->format(0));
+        $this->assertEquals('2', $this->service->format(2.321));
+        $this->assertEquals('1002', $this->service->format(1002.356));
+        $this->assertEquals('1000454', $this->service->format(1000454.0));
+        $this->assertEquals('0', $this->service->format(0.01));
+        $this->assertEquals('0', $this->service->format(0));
     }
 
     public function testInvalidInput()
     {
         $this->expectException(\InvalidArgumentException::class);
-        $this->service->format("test");
+        $this->service->format('test');
     }
 
     public function testFormatUnitWithoutSI()
     {
         $meters = new MeasurementUnit();
-        $meters->setIsInteger(false)->setUseSIPrefix(false)->setUnit("m");
+        $meters->setIsInteger(false)->setUseSIPrefix(false)->setUnit('m');
 
         $this->assertEquals('0.32 m', $this->service->format(0.3245, $meters));
         $this->assertEquals('10003.56 m', $this->service->format(10003.556, $meters));
@@ -96,4 +93,4 @@ class AmountFormatterTest extends WebTestCase
         $this->assertEquals('12002.32 m', $this->service->format(12002.32, $meters, ['show_prefix' => false]));
         $this->assertEquals('123 m', $this->service->format(123.234, $meters, ['is_integer' => true]));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/Attachments/AttachmentPathResolverTest.php b/tests/Services/Attachments/AttachmentPathResolverTest.php
index a800df80..0c5227f7 100644
--- a/tests/Services/Attachments/AttachmentPathResolverTest.php
+++ b/tests/Services/Attachments/AttachmentPathResolverTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,15 +17,12 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services\Attachments;
 
-
 use App\Services\AmountFormatter;
 use App\Services\Attachments\AttachmentPathResolver;
-use ReflectionClass;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 class AttachmentPathResolverTest extends WebTestCase
@@ -47,8 +44,8 @@ class AttachmentPathResolverTest extends WebTestCase
         self::bootKernel();
         self::$projectDir_orig = realpath(self::$kernel->getProjectDir());
         self::$projectDir = str_replace('\\', '/', self::$projectDir_orig);
-        self::$media_path = self::$projectDir .  '/public/media';
-        self::$footprint_path = self::$projectDir . '/public/img/footprints';
+        self::$media_path = self::$projectDir.'/public/media';
+        self::$footprint_path = self::$projectDir.'/public/img/footprints';
     }
 
     public static function setUpBeforeClass()
@@ -69,8 +66,8 @@ class AttachmentPathResolverTest extends WebTestCase
         $this->assertEquals(self::$projectDir_orig, self::$service->parameterToAbsolutePath(self::$projectDir));
 
         //Relative pathes should be resolved
-        $this->assertEquals(self::$projectDir_orig . DIRECTORY_SEPARATOR . 'src', self::$service->parameterToAbsolutePath('src'));
-        $this->assertEquals(self::$projectDir_orig . DIRECTORY_SEPARATOR . 'src', self::$service->parameterToAbsolutePath('./src'));
+        $this->assertEquals(self::$projectDir_orig.\DIRECTORY_SEPARATOR.'src', self::$service->parameterToAbsolutePath('src'));
+        $this->assertEquals(self::$projectDir_orig.\DIRECTORY_SEPARATOR.'src', self::$service->parameterToAbsolutePath('./src'));
 
         //Invalid pathes should return null
         $this->assertNull(self::$service->parameterToAbsolutePath('/this/path/does/not/exist'));
@@ -80,9 +77,9 @@ class AttachmentPathResolverTest extends WebTestCase
     public function placeholderDataProvider()
     {
         return [
-            ['%FOOTPRINTS%/test/test.jpg', self::$footprint_path . '/test/test.jpg'],
-            ['%FOOTPRINTS%/test/', self::$footprint_path . '/test/'],
-            ['%MEDIA%/test', self::$media_path . '/test'],
+            ['%FOOTPRINTS%/test/test.jpg', self::$footprint_path.'/test/test.jpg'],
+            ['%FOOTPRINTS%/test/', self::$footprint_path.'/test/'],
+            ['%MEDIA%/test', self::$media_path.'/test'],
             ['%MEDIA%', self::$media_path],
             ['%FOOTPRINTS%', self::$footprint_path],
             //Footprints 3D are disabled
@@ -95,24 +92,24 @@ class AttachmentPathResolverTest extends WebTestCase
             ['%FOOTPRINTS%/%MEDIA%', null], //No more than one placholder
             ['%FOOTPRINTS%/%FOOTPRINTS%', null],
             ['%FOOTPRINTS%/../../etc/passwd', null],
-            ['%FOOTPRINTS%/0\..\test', null]
+            ['%FOOTPRINTS%/0\..\test', null],
         ];
     }
 
     public function realPathDataProvider()
     {
         return [
-            [self::$media_path . '/test/img.jpg', '%MEDIA%/test/img.jpg'],
-            [self::$media_path . '/test/img.jpg', '%BASE%/data/media/test/img.jpg', true],
-            [self::$footprint_path . '/foo.jpg', '%FOOTPRINTS%/foo.jpg'],
-            [self::$footprint_path . '/foo.jpg', '%FOOTPRINTS%/foo.jpg', true],
+            [self::$media_path.'/test/img.jpg', '%MEDIA%/test/img.jpg'],
+            [self::$media_path.'/test/img.jpg', '%BASE%/data/media/test/img.jpg', true],
+            [self::$footprint_path.'/foo.jpg', '%FOOTPRINTS%/foo.jpg'],
+            [self::$footprint_path.'/foo.jpg', '%FOOTPRINTS%/foo.jpg', true],
             //Every kind of absolute path, that is not based with our placeholder dirs must be invald
             ['/etc/passwd', null],
             ['C:\\not\\existing.txt', null],
             //More then one placeholder is not allowed
-            [self::$footprint_path . '/test/' . self::$footprint_path, null],
+            [self::$footprint_path.'/test/'.self::$footprint_path, null],
             //Path must begin with path
-            ['/not/root' . self::$footprint_path, null]
+            ['/not/root'.self::$footprint_path, null],
         ];
     }
 
@@ -131,4 +128,4 @@ class AttachmentPathResolverTest extends WebTestCase
     {
         $this->assertEquals($expected, self::$service->realPathToPlaceholder($param, $old_method));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/Attachments/AttachmentURLGeneratorTest.php b/tests/Services/Attachments/AttachmentURLGeneratorTest.php
index af61eeac..7cc1d4f2 100644
--- a/tests/Services/Attachments/AttachmentURLGeneratorTest.php
+++ b/tests/Services/Attachments/AttachmentURLGeneratorTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,19 +17,16 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services\Attachments;
 
-
 use App\Services\Attachments\AttachmentURLGenerator;
-use App\Services\Attachments\BuiltinAttachmentsFinder;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 class AttachmentURLGeneratorTest extends WebTestCase
 {
-    protected const PUBLIC_DIR = "/public";
+    protected const PUBLIC_DIR = '/public';
 
     protected static $service;
 
@@ -47,12 +44,13 @@ class AttachmentURLGeneratorTest extends WebTestCase
             ['/public/folder/test.jpg', 'folder/test.jpg'],
             ['/not/public/test.jpg', null],
             ['/public/', ''],
-            ['not/absolute/test.jpg', null]
+            ['not/absolute/test.jpg', null],
         ];
     }
 
     /**
      * @dataProvider dataProvider
+     *
      * @param $input
      * @param $expected
      */
@@ -60,4 +58,4 @@ class AttachmentURLGeneratorTest extends WebTestCase
     {
         $this->assertEquals($expected, static::$service->absolutePathToAssetPath($input, static::PUBLIC_DIR));
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/Attachments/BuiltinAttachmentsFinderTest.php b/tests/Services/Attachments/BuiltinAttachmentsFinderTest.php
index e75aaf34..da0b79e8 100644
--- a/tests/Services/Attachments/BuiltinAttachmentsFinderTest.php
+++ b/tests/Services/Attachments/BuiltinAttachmentsFinderTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services\Attachments;
@@ -32,7 +31,7 @@ class BuiltinAttachmentsFinderTest extends WebTestCase
 
     protected static $mock_list = [
         '%FOOTPRINTS%/test/test.jpg', '%FOOTPRINTS%/test/test.png', '%FOOTPRINTS%/123.jpg', '%FOOTPRINTS%/123.jpeg',
-        '%FOOTPRINTS_3D%/test.jpg', '%FOOTPRINTS_3D%/hallo.txt'
+        '%FOOTPRINTS_3D%/test.jpg', '%FOOTPRINTS_3D%/hallo.txt',
     ];
 
     public static function setUpBeforeClass()
@@ -51,11 +50,10 @@ class BuiltinAttachmentsFinderTest extends WebTestCase
             //Basic search for keyword
             ['test', [], ['%FOOTPRINTS%/test/test.jpg', '%FOOTPRINTS%/test/test.png', '%FOOTPRINTS_3D%/test.jpg']],
             ['%FOOTPRINTS_3D%', [], ['%FOOTPRINTS_3D%/test.jpg', '%FOOTPRINTS_3D%/hallo.txt']],
-            ['.txt', [], ['%FOOTPRINTS_3D%/hallo.txt'] ],
+            ['.txt', [], ['%FOOTPRINTS_3D%/hallo.txt']],
             //Filter extensions
             //['test', ['allowed_extensions' => ['jpeg', 'jpg']], ['%FOOTPRINTS%/test/test.jpg', '%FOOTPRINTS%/123.jpeg', '%FOOTPRINTS_3D%/test.jpg']],
             //['test.jpg', ['allowed_extensions' => ['jpeg', 'jpg']], ['%FOOTPRINTS%/test/test.jpg', '%FOOTPRINTS_3D%/test.jpg']]
-
         ];
     }
 
@@ -69,4 +67,4 @@ class BuiltinAttachmentsFinderTest extends WebTestCase
         $this->assertEquals([], array_diff($value, $expected), 'Additional');
         $this->assertEquals([], array_diff($expected, $value), 'Missing:');
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/Attachments/FileTypeFilterToolsTest.php b/tests/Services/Attachments/FileTypeFilterToolsTest.php
index ba62f82c..c673753b 100644
--- a/tests/Services/Attachments/FileTypeFilterToolsTest.php
+++ b/tests/Services/Attachments/FileTypeFilterToolsTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services\Attachments;
@@ -35,7 +34,7 @@ class FileTypeFilterToolsTest extends WebTestCase
         self::$service = self::$container->get(FileTypeFilterTools::class);
     }
 
-    public function validateDataProvider() : array
+    public function validateDataProvider(): array
     {
         return [
             ['', true], //Empty string is valid
@@ -47,11 +46,11 @@ class FileTypeFilterToolsTest extends WebTestCase
             ['test.png', false], //No full filename
             ['application/*', false], //Only certain placeholders are allowed
             ['.png;.png,.jpg', false], //Wrong separator
-            ['.png .jpg .gif', false]
+            ['.png .jpg .gif', false],
         ];
     }
 
-    public function normalizeDataProvider() : array
+    public function normalizeDataProvider(): array
     {
         return [
             ['', ''],
@@ -67,7 +66,7 @@ class FileTypeFilterToolsTest extends WebTestCase
         ];
     }
 
-    public function extensionAllowedDataProvider() : array
+    public function extensionAllowedDataProvider(): array
     {
         return [
             ['', 'txt', true],
@@ -88,10 +87,9 @@ class FileTypeFilterToolsTest extends WebTestCase
     }
 
     /**
-     * Test the validateFilterString method
+     * Test the validateFilterString method.
+     *
      * @dataProvider validateDataProvider
-     * @param string $filter
-     * @param bool $expected
      */
     public function testValidateFilterString(string $filter, bool $expected)
     {
@@ -100,8 +98,6 @@ class FileTypeFilterToolsTest extends WebTestCase
 
     /**
      * @dataProvider normalizeDataProvider
-     * @param string $filter
-     * @param string $expected
      */
     public function testNormalizeFilterString(string $filter, string $expected)
     {
@@ -115,4 +111,4 @@ class FileTypeFilterToolsTest extends WebTestCase
     {
         $this->assertEquals($expected, self::$service->isExtensionAllowed($filter, $extension), $expected);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/PermissionResolverTest.php b/tests/Services/PermissionResolverTest.php
index de16dbb8..3e514014 100644
--- a/tests/Services/PermissionResolverTest.php
+++ b/tests/Services/PermissionResolverTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,16 +17,13 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services;
 
-
 use App\Entity\UserSystem\Group;
 use App\Entity\UserSystem\PermissionsEmbed;
 use App\Entity\UserSystem\User;
-use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 use App\Services\PermissionResolver;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
@@ -90,7 +87,6 @@ class PermissionResolverTest extends WebTestCase
         $this->group->method('getParent')->willReturn($parent_group);
     }
 
-
     public function getPermissionNames()
     {
         //List all possible operation names.
@@ -116,7 +112,7 @@ class PermissionResolverTest extends WebTestCase
             [PermissionsEmbed::CATEGORIES],
             [PermissionsEmbed::PARTS_PRICES],
             [PermissionsEmbed::ATTACHMENT_TYPES],
-            [PermissionsEmbed::CONFIG]
+            [PermissionsEmbed::CONFIG],
         ];
     }
 
@@ -196,5 +192,4 @@ class PermissionResolverTest extends WebTestCase
         $this->assertNull($this->service->inherit($this->user_withoutGroup, 'parts', 'show_history'));
         $this->assertNull($this->service->inherit($this->user_withoutGroup, 'parts', 'delete'));
     }
-
-}
\ No newline at end of file
+}
diff --git a/tests/Services/PricedetailHelperTest.php b/tests/Services/PricedetailHelperTest.php
index 947fbfb3..50b95c1a 100644
--- a/tests/Services/PricedetailHelperTest.php
+++ b/tests/Services/PricedetailHelperTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,12 +17,10 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services;
 
-
 use App\Entity\Parts\Part;
 use App\Entity\PriceInformations\Orderdetail;
 use App\Entity\PriceInformations\Pricedetail;
@@ -90,4 +88,4 @@ class PricedetailHelperTest extends WebTestCase
     {
         $this->assertEquals($expected_result, $this->service->getMaxDiscountAmount($part), $message);
     }
-}
\ No newline at end of file
+}
diff --git a/tests/Services/SIFormatterTest.php b/tests/Services/SIFormatterTest.php
index 9a39e2f0..daea7612 100644
--- a/tests/Services/SIFormatterTest.php
+++ b/tests/Services/SIFormatterTest.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony)
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
  *
  * Copyright (C) 2019 Jan Böhmer (https://github.com/jbtronics)
  *
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
- *
  */
 
 namespace App\Tests\Services;
@@ -50,7 +49,6 @@ class SIFormatterTest extends WebTestCase
         $this->assertSame(0, $this->service->getMagnitude(-1.0));
         $this->assertSame(0, $this->service->getMagnitude(-9.9));
 
-
         $this->assertSame(3, $this->service->getMagnitude(9999.99));
         $this->assertSame(3, $this->service->getMagnitude(1000.0));
         $this->assertSame(3, $this->service->getMagnitude(-9999.99));
@@ -59,7 +57,7 @@ class SIFormatterTest extends WebTestCase
         $this->assertSame(-1, $this->service->getMagnitude(0.1));
         $this->assertSame(-1, $this->service->getMagnitude(-0.9999));
 
-        $this->assertSame(-25, $this->service->getMagnitude(- 1.246e-25));
+        $this->assertSame(-25, $this->service->getMagnitude(-1.246e-25));
         $this->assertSame(12, $this->service->getMagnitude(9.99e12));
     }
 
@@ -78,9 +76,9 @@ class SIFormatterTest extends WebTestCase
 
     public function testFormat()
     {
-        $this->assertSame("2.32 km", $this->service->format(2321, 'm'));
-        $this->assertEquals("230.45 km", $this->service->format(230450.3, 'm'));
-        $this->assertSame("-98.20 mg", $this->service->format(-0.0982, 'g'));
+        $this->assertSame('2.32 km', $this->service->format(2321, 'm'));
+        $this->assertEquals('230.45 km', $this->service->format(230450.3, 'm'));
+        $this->assertSame('-98.20 mg', $this->service->format(-0.0982, 'g'));
         $this->assertSame('-0.23 g', $this->service->format(-0.23, 'g'));
     }
-}
\ No newline at end of file
+}