Added basic scan dialog.

src/Controller/ScanController.php

@@ -21,9 +21,14 @@
 namespace App\Controller;
 
 
+use App\Form\LabelSystem\ScanDialogType;
 use App\Services\LabelSystem\BarcodeParser;
+use App\Services\LabelSystem\Barcodes\BarcodeNormalizer;
 use Doctrine\ORM\EntityNotFoundException;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Form\FormError;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Annotation\Route;
 
 /**
@@ -33,10 +38,39 @@ use Symfony\Component\Routing\Annotation\Route;
 class ScanController extends AbstractController
 {
     protected $barcodeParser;
+    protected $barcodeNormalizer;
 
-    public function __construct(BarcodeParser $barcodeParser)
+    public function __construct(BarcodeParser $barcodeParser, BarcodeNormalizer $barcodeNormalizer)
     {
         $this->barcodeParser = $barcodeParser;
+        $this->barcodeNormalizer = $barcodeNormalizer;
+    }
+
+    /**
+     * @Route("/", name="scan_dialog")
+     */
+    public function dialog(Request $request): Response
+    {
+        $form = $this->createForm(ScanDialogType::class);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $input = $form['input']->getData();
+            try {
+                [$type, $id] = $this->barcodeNormalizer->normalizeBarcodeContent($input);
+                try {
+                    return $this->redirect($this->barcodeParser->getQRRedirectTarget($type, $id));
+                } catch (EntityNotFoundException $exception) {
+                    $this->addFlash('success', 'scan.qr_not_found');
+                }
+            } catch (\InvalidArgumentException $exception) {
+                $this->addFlash('error', 'scan.format_unknown');
+            }
+        }
+
+        return $this->render('LabelSystem/Scanner/dialog.html.twig', [
+            'form' => $form->createView(),
+        ]);
     }
 
     /**
@@ -44,7 +78,7 @@ class ScanController extends AbstractController
      * @param  string  $type
      * @param  int  $id
      */
-    public function scanQRCode(string $type, int $id)
+    public function scanQRCode(string $type, int $id): Response
     {
         try {
             $this->addFlash('success', 'scan.qr_success');

src/Form/LabelSystem/ScanDialogType.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Form\LabelSystem;
+
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ScanDialogType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add('input', TextType::class, [
+            'attr' => [
+                'autofocus' => true,
+            ]
+        ]);
+
+        $builder->add('submit', SubmitType::class, [
+
+        ]);
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefault('mapped', false);
+    }
+}

src/Services/LabelSystem/BarcodeParser.php

@@ -31,6 +31,7 @@ class BarcodeParser
     protected $urlGenerator;
     protected $em;
 
+
     public function __construct(UrlGeneratorInterface $urlGenerator, EntityManagerInterface $entityManager)
     {
         $this->urlGenerator = $urlGenerator;
@@ -58,6 +59,9 @@ class BarcodeParser
 
                 return $this->urlGenerator->generate('app_part_show', ['id' => $lot->getPart()->getID()]);
 
+            case 'location':
+                return $this->urlGenerator->generate('part_list_store_location', ['id' => $id]);
+
             default:
                 throw new \InvalidArgumentException('Unknown $type: ' . $type);
         }

src/Services/LabelSystem/Barcodes/BarcodeNormalizer.php

@@ -0,0 +1,75 @@
+<?php
+/**
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ * Copyright (C) 2019 - 2020 Jan Böhmer (https://github.com/jbtronics)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Services\LabelSystem\Barcodes;
+
+
+class BarcodeNormalizer
+{
+    protected const PREFIX_TYPE_MAP = [
+        'L' => 'lot',
+        'P' => 'part',
+        'S' => 'location',
+    ];
+
+    /**
+     * Parses barcode content and normalizes it.
+     * Returns an array in the format ['part', 1]: First entry contains element type, second the ID of the element
+     * @param  string  $input
+     * @return array
+     */
+    public function normalizeBarcodeContent(string $input): array
+    {
+        $input = trim($input);
+        $matches = [];
+
+        //Some scanner output '-' as ß, so replace it (ß is never used, so we can replace it safely)
+        $input = str_replace('ß', '-', $input);
+
+        //Extract parts from QR code's URL
+        if (preg_match('#^https?://.*/scan/(\w+)/(\d+)/?$#', $input, $matches)) {
+            return [$matches[1], (int) $matches[2]];
+        }
+
+        //New Code39 barcodes use L-000001 format
+        if (preg_match('#^(\w)-(\d{6,})$#', $input, $matches)) {
+            $prefix = $matches[1];
+            $id = (int) $matches[2];
+
+            if (!isset(self::PREFIX_TYPE_MAP[$prefix])) {
+                throw new \InvalidArgumentException('Unknown prefix ' . $prefix);
+            }
+            return [self::PREFIX_TYPE_MAP[$prefix], $id];
+        }
+
+        //Legacy Part-DB location labels used $L00336 format
+        if (preg_match('#^\$L(\d{5,})$#', $input, $matches)) {
+            return ['location', (int) $matches[1]];
+        }
+
+        //Legacy Part-DB used EAN8 barcodes for part labels. Format 0000001(2) (note the optional 8th digit => checksum)
+        if (preg_match('#^(\d{7})\d?$#', $input, $matches)) {
+            return ['part', (int) $matches[1]];
+        }
+
+
+        throw new \InvalidArgumentException('Unknown barcode format!');
+    }
+}