Use language setting of users when logging in.

config/packages/security.yaml

@@ -28,6 +28,7 @@ security:
                 check_path: login
                 csrf_token_generator: security.csrf.token_manager
                 use_referer: true
+                default_target_path: '/'
 
             logout:
                 path: logout

config/routes.yaml

@@ -1,3 +1,10 @@
 #index:
 #    path: /
 #    controller: App\Controller\DefaultController::index
+
+# Redirect every url without an locale to the locale of the user/the global base locale
+redirector:
+    path: /{url}
+    requirements:
+        url: ".*"
+    controller: App\Controller\RedirectController:addLocalePart

config/routes/annotations.yaml

@@ -2,7 +2,4 @@ controllers:
     resource: ../../src/Controller/
     type: annotation
 
-    prefix:
+    prefix: '{_locale}'
-        en: '/en'
-        de: '/de'
-        '%locale%': '/'

config/services.yaml

@@ -49,6 +49,10 @@ services:
             - name: doctrine.orm.entity_listener
 
 
+    App\Controller\RedirectController:
+        arguments:
+            $default_locale: '%locale%'
+
     App\Command\UpdateExchangeRatesCommand:
         arguments:
             $base_current: '%default_currency%'

src/Controller/RedirectController.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ *
+ * part-db version 0.1
+ * Copyright (C) 2005 Christoph Lechner
+ * http://www.cl-projects.de/
+ *
+ * part-db version 0.2+
+ * Copyright (C) 2009 K. Jacobs and others (see authors.php)
+ * http://code.google.com/p/part-db/
+ *
+ * Part-DB Version 0.4+
+ * Copyright (C) 2016 - 2019 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 General Public License
+ * as published by the Free Software Foundation; either version 2
+ * 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 General Public License for more details.
+ *
+ * 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\Entity\UserSystem\User;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Request;
+
+class RedirectController extends AbstractController
+{
+    protected $default_locale;
+
+    public function __construct(string $default_locale)
+    {
+        $this->default_locale = $default_locale;
+    }
+
+    public function addLocalePart(Request $request)
+    {
+        //By default we use the global default locale
+        $locale = $this->default_locale;
+
+        //Check if a user has set a preferred language setting:
+        $user = $this->getUser();
+        if ($user instanceof User) {
+           if(!empty($user->getLanguage())) {
+               $locale = $user->getLanguage();
+           }
+        }
+
+        $new_url = str_replace($request->getPathInfo(), '/' . $locale . $request->getPathInfo(), $request->getUri());
+
+        return $this->redirect($new_url);
+    }
+}

src/Entity/UserSystem/User.php

@@ -141,7 +141,7 @@ class User extends NamedDBElement implements UserInterface, HasPermissionsInterf
     /**
      * @var string|null The language/locale the user prefers
      * @ORM\Column(type="string", name="config_language", nullable=true)
-     * @Assert\Locale(canonicalize=true)
+     * @Assert\Language()
      */
     protected $language = '';
 

src/Form/UserSettingsType.php

@@ -6,6 +6,7 @@ use App\Entity\UserSystem\User;
 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;
@@ -55,11 +56,12 @@ class UserSettingsType extends AbstractType
                 'label' => $this->trans->trans('user.email.label'),
                 'disabled' => !$this->security->isGranted('edit_infos', $options['data']),
             ])
-            ->add('language', LocaleType::class, [
+            ->add('language', LanguageType::class, [
                 'required' => false,
                 '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']
                 ])
             ->add('timezone', TimezoneType::class, [
                 'required' => false,

src/Twig/AppExtension.php

@@ -78,7 +78,8 @@ class AppExtension extends AbstractExtension
             new TwigFilter('bbCode', [$this, 'parseBBCode'], ['pre_escape' => 'html', 'is_safe' => ['html']]),
             new TwigFilter('moneyFormat', [$this, 'formatCurrency']),
             new TwigFilter('siFormat', [$this, 'siFormat']),
-            new TwigFilter('amountFormat', [$this, 'amountFormat'])
+            new TwigFilter('amountFormat', [$this, 'amountFormat']),
+            new TwigFilter('loginPath', [$this, 'loginPath'])
         ];
     }
 
@@ -104,6 +105,19 @@ class AppExtension extends AbstractExtension
         return $this->serializer->serialize($tree, 'json', ['skip_null_values' => true]);
     }
 
+    /**
+     * This function/filter generates an path
+     * @param string $path
+     * @return string
+     */
+    public function loginPath(string $path) : string
+    {
+        $parts = explode("/" ,$path);
+        //Remove the part with
+        unset($parts[1]);
+        return implode("/", $parts);
+    }
+
     public function generateEntityURL(DBElement $entity, string $method = 'info'): string
     {
         return $this->entityURLGenerator->getURL($entity, $method);

templates/_navbar.html.twig

@@ -77,7 +77,7 @@
                         <li role="separator" class="dropdown-divider"></li>
                         <a class="dropdown-item"  href="{{ path('logout') }}"><i class="fa fa-sign-out-alt fa-fw" aria-hidden="true"></i> {% trans %}user.logout{% endtrans %}</a>
                     {% else %}
-                        <a class="dropdown-item" href="{{ path('login', {'_target_path':app.request.pathinfo}) }}" id="login-link"><i class="fa fa-sign-in-alt fa-fw" aria-hidden="true"></i> {% trans %}user.login{% endtrans %}</a>
+                        <a class="dropdown-item" href="{{ path('login', {'_target_path': app.request.pathinfo | loginPath}) }}" id="login-link"><i class="fa fa-sign-in-alt fa-fw" aria-hidden="true"></i> {% trans %}user.login{% endtrans %}</a>
                     {% endif %}
                     <li role="separator" class="dropdown-divider"></li>
                     <a class="dropdown-item disabled" href="#">{% trans %}user.language_select{% endtrans %}</a>