WIP: Implement feedback functionality

src/Security/Voter/FeedbackSetVoter.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Security\Voter;
+
+use App\Entity\FeedbackSet;
+use App\Repository\JobProfileRepository;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+
+class FeedbackSetVoter extends Voter
+{
+    public const DELETE = 'DELETE';
+
+    public function __construct(private readonly JobProfileRepository $jobProfileRepository)
+    {
+    }
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        return $subject instanceof FeedbackSet && static::DELETE === $attribute;
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    {
+        /** @var FeedbackSet $feedbackSet */
+        $feedbackSet = $subject;
+
+        // Feedback sets may only be deleted when not in use
+        $result = $this
+            ->jobProfileRepository
+            ->findOneBy(['feedbackSet' => $feedbackSet])
+        ;
+
+        return null === $result;
+    }
+}