WIP: Implement application process

src/Security/Voter/ApplicationVoter.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace App\Security\Voter;
+
+use App\Entity\Application;
+use App\Entity\User;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+
+class ApplicationVoter extends Voter
+{
+    public const VIEW = 'VIEW';
+    public const DELETE = 'DELETE';
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        if (!$subject instanceof Application) {
+            return false;
+        }
+
+        return in_array($attribute, [static::VIEW, static::DELETE]);
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    {
+        /** @var User $user */
+        $user = $token->getUser();
+
+        /** @var Application $application */
+        $application = $subject;
+
+        if ($user->hasRole('ROLE_ADMINISTRATIVE')) {
+            return true;
+        }
+
+        if ($user->hasRole('ROLE_TEAMER')) {
+            return $user->getTeamer() === $application->getTeamer();
+        }
+
+        return false;
+    }
+}

src/Security/Voter/AssignmentVoter.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Security\Voter;
+
+use App\Entity\Assignment;
+use App\Entity\User;
+use App\Repository\ApplicationRepository;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Voter;
+
+class AssignmentVoter extends Voter
+{
+    public const VIEW = 'VIEW';
+    public const EDIT = 'EDIT';
+    public const APPLY = 'APPLY';
+
+    public function __construct(private readonly ApplicationRepository $applicationRepository)
+    {}
+
+    protected function supports(string $attribute, mixed $subject): bool
+    {
+        if (!$subject instanceof Assignment) {
+            return false;
+        }
+
+        return in_array($attribute, [static::VIEW, static::EDIT, static::APPLY]);
+    }
+
+    protected function voteOnAttribute(string $attribute, mixed $subject, TokenInterface $token): bool
+    {
+        // All authenticated users may view assignments
+        if (static::VIEW === $attribute && null !== $token->getUser()) {
+            return true;
+        }
+
+        // Only users with administrative role may edit assignments
+        if (static::EDIT === $attribute && in_array('ROLE_ADMINISTRATIVE', $token->getRoleNames())) {
+            return true;
+        }
+
+        // Only teamers without existing applications may apply to the assignment
+        if (in_array('ROLE_TEAMER', $token->getRoleNames())) {
+            /** @var User $user */
+            $user = $token->getUser();
+            $teamer = $user->getTeamer();
+            /** @var Assignment $assignment */
+            $assignment = $subject;
+            $application = $this->applicationRepository->findOneBy(['teamer' => $teamer, 'assignment' => $assignment]);
+
+            return null === $application;
+        }
+
+        return false;
+    }
+}