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app/Policies/WorldPolicy.php

@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Policies;
+
+use App\Models\User;
+use App\Models\World;
+
+class WorldPolicy
+{
+    public function view(?User $user, World $world): bool
+    {
+        if ($user && ($user->isAdmin() || $user->isModerator())) {
+            return true;
+        }
+
+        return $world->isPubliclyVisible();
+    }
+
+    public function create(User $user): bool
+    {
+        return $user->isAdmin() || $user->isModerator();
+    }
+
+    public function update(User $user, World $world): bool
+    {
+        return $user->isAdmin() || $user->isModerator();
+    }
+
+    public function delete(User $user, World $world): bool
+    {
+        return $user->isAdmin() || $user->isModerator();
+    }
+
+    public function manage(User $user): bool
+    {
+        return $user->isAdmin() || $user->isModerator();
+    }
+}