Added simple redirect to info page, when scanning an QR code.

config/routes.yaml

@@ -3,10 +3,15 @@
 #    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
-    # Dont match localized routes (no redirection loop, if no root with that name exists)
-    condition: "not (request.getPathInfo() matches '/^\\\\/[a-z]{2}(_[A-Z]{2})?\\\\//')"
+
+scan_qr:
+    path: /scan/{type}/{id}
+    controller: App\Controller\ScanController:scanQRCode
+
+#redirector:
+#    path: /{url}
+#    requirements:
+#        url: ".*"
+#    controller: App\Controller\RedirectController:addLocalePart
+#    # Dont match localized routes (no redirection loop, if no root with that name exists)
+#    condition: "not (request.getPathInfo() matches '/^\\\\/[a-z]{2}(_[A-Z]{2})?\\\\//')"

src/Controller/ScanController.php

@@ -21,6 +21,8 @@
 namespace App\Controller;
 
 
+use App\Services\LabelSystem\BarcodeParser;
+use Doctrine\ORM\EntityNotFoundException;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\Routing\Annotation\Route;
 
@@ -30,14 +32,26 @@ use Symfony\Component\Routing\Annotation\Route;
  */
 class ScanController extends AbstractController
 {
+    protected $barcodeParser;
+
+    public function __construct(BarcodeParser $barcodeParser)
+    {
+        $this->barcodeParser = $barcodeParser;
+    }
+
     /**
-     * @Route("/{type}/{id}", name="scan_qr")
+     * The route definition for this action is done in routes.yaml, as it does not use the _locale prefix as the other routes
      * @param  string  $type
      * @param  int  $id
      */
     public function scanQRCode(string $type, int $id)
     {
-        $this->addFlash('success', 'QR Code scanned!');
-        return $this->redirectToRoute('homepage');
+        try {
+            $this->addFlash('success', 'scan.qr_success');
+            return $this->redirect($this->barcodeParser->getQRRedirectTarget($type, $id));
+        } catch (EntityNotFoundException $exception) {
+            $this->addFlash('success', 'scan.qr_not_found');
+            return $this->redirectToRoute('homepage');
+        }
     }
 }

src/Services/LabelSystem/BarcodeParser.php

@@ -0,0 +1,65 @@
+<?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;
+
+
+use App\Entity\Parts\PartLot;
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\EntityNotFoundException;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+
+class BarcodeParser
+{
+    protected $urlGenerator;
+    protected $em;
+
+    public function __construct(UrlGeneratorInterface $urlGenerator, EntityManagerInterface $entityManager)
+    {
+        $this->urlGenerator = $urlGenerator;
+        $this->em = $entityManager;
+    }
+
+    /**
+     * Determines the URL to which the user should be redirected, when scanning a QR code
+     * @param  string  $type The type of the element that was scanned (e.g. 'part', 'lot', etc.)
+     * @param  int  $id The ID of the element that was scanned
+     * @return string The URL to which should be redirected.
+     * @throws EntityNotFoundException
+     */
+    public function getQRRedirectTarget(string $type, int $id): string
+    {
+        switch ($type) {
+            case 'part':
+                return $this->urlGenerator->generate('app_part_show', ['id' => $id]);
+            case 'lot':
+                //Try to determine the part to the given lot
+                $lot = $this->em->find(PartLot::class, $id);
+                if ($lot === null) {
+                    throw new EntityNotFoundException();
+                }
+
+                return $this->urlGenerator->generate('app_part_show', ['id' => $lot->getPart()->getID()]);
+
+            default:
+                throw new \InvalidArgumentException('Unknown $type: ' . $type);
+        }
+    }
+}

src/Services/LabelSystem/Barcodes/BarcodeContentGenerator.php

@@ -63,6 +63,7 @@ class BarcodeContentGenerator
         return  $this->urlGenerator->generate('scan_qr', [
             'type' => $type,
             'id' => $target->getID(),
+            '_locale' => null,
         ], UrlGeneratorInterface::ABSOLUTE_URL);
     }