Feat: Implement availabilities

src/Security/Voter/AvailabilityVoter.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Security\Voter;
+
+use App\Entity\Availability;
+use App\Entity\User;
+use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+
+class AvailabilityVoter extends Voter
+{
+    public const ASSIGN = 'ASSIGN';
+    public const DELETE = 'DELETE';
+
+    public function __construct(private readonly Security $security)
+    {}
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        if (!$subject instanceof Availability) {
+            return false;
+        }
+
+        return in_array($attribute, [static::ASSIGN, static::DELETE]);
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    {
+        /** @var Availability $availability */
+        $availability = $subject;
+
+        if (true === $this->security->isGranted('ROLE_ADMINISTRATIVE')) {
+            return true;
+        }
+
+        /** @var User $user */
+        $user = $this->security->getUser();
+        $teamer = $user->getTeamer();
+
+        return null === $availability->getOwner() || $teamer === $availability->getOwner();
+    }
+}