optimizations

app/Policies/CollectionPolicy.php

@@ -0,0 +1,86 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Policies;
+
+use App\Models\Collection;
+use App\Models\User;
+
+class CollectionPolicy
+{
+    public function before($user, $ability)
+    {
+        if (! $user) {
+            return null;
+        }
+
+        if ($this->isAdmin($user)) {
+            return true;
+        }
+
+        return null;
+    }
+
+    public function view(?User $user, Collection $collection): bool
+    {
+        if ($user && $collection->isOwnedBy($user)) {
+            return true;
+        }
+
+        return $collection->isPubliclyAccessible();
+    }
+
+    public function create(?User $user): bool
+    {
+        return (bool) $user;
+    }
+
+    public function update(User $user, Collection $collection): bool
+    {
+        return $collection->canBeManagedBy($user);
+    }
+
+    public function delete(User $user, Collection $collection): bool
+    {
+        return $collection->isOwnedBy($user);
+    }
+
+    public function manageArtworks(User $user, Collection $collection): bool
+    {
+        return $collection->canManageArtworks($user);
+    }
+
+    public function manageMembers(User $user, Collection $collection): bool
+    {
+        return $collection->canManageMembers($user);
+    }
+
+    public function submit(User $user, Collection $collection): bool
+    {
+        return $collection->canReceiveSubmissionsFrom($user);
+    }
+
+    public function comment(User $user, Collection $collection): bool
+    {
+        return $collection->canReceiveCommentsFrom($user);
+    }
+
+    public function save(User $user, Collection $collection): bool
+    {
+        return $collection->canBeSavedBy($user);
+    }
+
+    private function isAdmin(User $user): bool
+    {
+        if (method_exists($user, 'isAdmin')) {
+            return (bool) $user->isAdmin();
+        }
+
+        if (method_exists($user, 'hasRole')) {
+            return (bool) $user->hasRole('admin');
+        }
+
+        return false;
+    }
+}