Implement comment form type

src/Controller/ConferenceController.php

@@ -2,9 +2,12 @@
 
 namespace App\Controller;
 
+use App\Entity\Comment;
 use App\Entity\Conference;
+use App\Form\CommentType;
 use App\Repository\CommentRepository;
 use App\Repository\ConferenceRepository;
+use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -13,6 +16,11 @@ use Twig\Environment;
 
 class ConferenceController extends AbstractController
 {
+    public function __construct(
+        private EntityManagerInterface $entityManager,
+    ){
+    }
+
     #[Route('/', name: 'homepage')]
     public function index(ConferenceRepository $conferenceRepository): Response
     {
@@ -24,6 +32,18 @@ class ConferenceController extends AbstractController
     #[Route('/conference/{slug}', name: 'conference')]
     public function show(Request $request, Conference $conference, CommentRepository $commentRepository): Response
     {
+        $comment = new Comment();
+        $form = $this->createForm(CommentType::class, $comment);
+        $form->handleRequest($request);
+        if($form->isSubmitted() && $form->isValid()) {
+            $comment->setConference($conference);
+            dump($comment);
+            $this->entityManager->persist($comment);
+            $this->entityManager->flush();
+
+            return $this->redirectToRoute('conference', ['slug' => $conference->getSlug()]);
+        }
+
         $offset = max(0, $request->query->getInt('offset', 0));
         $paginator = $commentRepository->getCommentPaginator($conference, $offset);
 
@@ -31,7 +51,8 @@ class ConferenceController extends AbstractController
             'conference' => $conference,
             'comments' => $paginator,
             'previous' => $offset - CommentRepository::COMMENTS_PER_PAGE,
-            'next' => min(count($paginator), $offset + CommentRepository::COMMENTS_PER_PAGE)
+            'next' => min(count($paginator), $offset + CommentRepository::COMMENTS_PER_PAGE),
+            'comment_form' => $form,
         ]);
     }
 }

src/Entity/Comment.php

@@ -5,6 +5,7 @@ namespace App\Entity;
 use App\Repository\CommentRepository;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Symphony\Component\Validator\Constraints as Assert;
 
 #[ORM\Entity(repositoryClass: CommentRepository::class)]
 #[ORM\HasLifecycleCallbacks]
@@ -16,12 +17,16 @@ class Comment
     private ?int $id = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotBlank]
     private ?string $author = null;
 
     #[ORM\Column(type: Types::TEXT)]
+    #[Assert\NotBlank]
     private ?string $text = null;
 
     #[ORM\Column(length: 255)]
+    #[Assert\NotBlank]
+    #[Assert\Email]
     private ?string $email = null;
 
     #[ORM\Column]

src/Form/CommentType.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Form;
+
+use App\Entity\Comment;
+use App\Entity\Conference;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\EmailType;
+use Symfony\Component\Form\Extension\Core\Type\FileType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\Image;
+
+class CommentType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('author', null, [
+                'label' => 'Your name'
+            ])
+            ->add('text')
+            ->add('email', EmailType::class)
+            ->add('photo', FileType::class, [
+                'required' => false,
+                'mapped' => false,
+                'constraints' => [
+                    new Image(['maxSize' => '1024k'])
+                ],
+            ])
+            ->add('submit', SubmitType::class)
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => Comment::class,
+        ]);
+    }
+}

templates/conference/show.html.twig

@@ -3,7 +3,7 @@
 {% block title %}Conference Guestbook - {{ conference }}{% endblock %}
 
 {% block body %}
-    <h2>{{ conference }} Conference<h2>
+    <h2>{{ conference }} Conference</h2>
 
     {% if comments|length > 0 %}
         <div>There are {{ comments|length }} comments.</div>
@@ -30,4 +30,8 @@
     {% else %}
         <div>No comments have been posted yet for this conference.</div>
     {% endif %}
+
+    <h2>Add your own feedback</h2>
+
+    {{ form(comment_form) }}
 {% endblock %}