Comment form can now upload image

src/Controller/ConferenceController.php

@@ -9,6 +9,7 @@ use App\Repository\CommentRepository;
 use App\Repository\ConferenceRepository;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\DependencyInjection\Attribute\Autowire;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\Routing\Attribute\Route;
@@ -30,14 +31,23 @@ class ConferenceController extends AbstractController
     }
 
     #[Route('/conference/{slug}', name: 'conference')]
-    public function show(Request $request, Conference $conference, CommentRepository $commentRepository): Response
-    {
+    public function show(
+        Request $request,
+        Conference $conference,
+        CommentRepository $commentRepository,
+        #[Autowire('%photo_dir%')] string $photoDir,
+    ): Response {
         $comment = new Comment();
         $form = $this->createForm(CommentType::class, $comment);
         $form->handleRequest($request);
         if($form->isSubmitted() && $form->isValid()) {
             $comment->setConference($conference);
-            
+            if($photo = $form['photo']->getData()) {
+                $filename = bin2hex(random_bytes(6)) . '.' . $photo->guessExtension();
+                $photo->move($photoDir, $filename);
+                $comment->setPhotoFilename($filename);
+            }
+
             $this->entityManager->persist($comment);
             $this->entityManager->flush();