created admin panel with some of its content

app/Http/Middleware/CheckPermission.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class CheckPermission
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next, string $permission): Response
+    {
+        if (!auth()->check()) {
+            return redirect()->route('login');
+        }
+
+        $user = auth()->user();
+        $tenantId = $request->route('tenant') ?? $request->route('slug')
+            ? \App\Models\Tenant::where('slug', $request->route('slug'))->value('id')
+            : null;
+
+        // Check if user has the required permission
+        if ($user->hasPermission($permission, $tenantId)) {
+            return $next($request);
+        }
+
+        // If user doesn't have required permission, abort with 403
+        abort(403, 'Unauthorized action.');
+    }
+}