Add maintenance pages

bootstrap/app.php

@@ -16,6 +16,7 @@ return Application::configure(basePath: dirname(__DIR__))
         $middleware->encryptCookies(except: ['xf_session','xf_user','xf_csrf','xf_style_variation','activity_filters']);
         $middleware->alias([
             'xf.auth' => \App\Http\Middleware\CheckXenForoPermissions::class,
+            'submissions.maintenance' => \App\Http\Middleware\SubmissionsEnabled::class,
         ]);
         $middleware->redirectGuestsTo(function(Request $request): void {
             if( $request->is('manage*'))
@@ -24,5 +25,20 @@ return Application::configure(basePath: dirname(__DIR__))
         $middleware->append(\App\Http\Middleware\CheckXenForoUserState::class);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
-        //
+        $exceptions->render(function(Throwable $e, $request) {
+            $statusCode = method_exists($e, 'getStatusCode') ? $e->getStatusCode() : 500;
+
+            if( app()->environment('production') && $statusCode >= 500 && !$request->expectsJson() ){
+                $errorId = (string) Str::uuid();
+
+                \Illuminate\Support\Facades\Log::error($e->getMessage(), [
+                    'error_id' => $errorId,
+                    'exception' => $e,
+                    'url' => $request->fullUrl(),
+                    'user_id' => (optional($request->user())->user_id ?? 0),
+                ]);
+
+                return response()->view('errors.500', ['errorId' => $errorId], 500 );
+            }
+        });
     })->create();