Fix isAdmin and added 401 template

app/lang/de/errors.php

@@ -6,5 +6,11 @@ return [
         'title'   => 'Die Seite konnte nicht gefunden werden!',
         'message' => 'Entschuldigung, aber die Seite konnte nicht gefunden werden. Überprüfen Sie die URL und versuchen Sie es erneut.',
         'link'    => 'Zurück zur Startseite',
-    ]
+    ],
+    'unauthorized' => [
+        'code'    => '401',
+        'title'   => 'Unauthorized',
+        'message' => 'Sorry, you need admin privileges to see this page.',
+        'link'    => 'Return to homepage',
+    ],
 ];

app/lang/en/errors.php

@@ -6,5 +6,11 @@ return [
         'title'   => 'That page went missing!',
         'message' => 'Sorry, but the page you are looking for has not been found. Check the URL for errors and try again.',
         'link'    => 'Return to homepage',
-    ]
+    ],
+    'unauthorized' => [
+        'code'    => '401',
+        'title'   => 'Unauthorized',
+        'message' => 'Sorry, you need admin privileges to see this page.',
+        'link'    => 'Return to homepage',
+    ],
 ];

app/lang/fr/errors.php

@@ -6,5 +6,11 @@ return [
         'title'   => 'Cette page est manquante !',
         'message' => 'Désolé, mais la page que vous recherchez est introuvable. Vérifier l\'URL et essayez à nouveau.',
         'link'    => 'Retour à l\'accueil',
-    ]
+    ],
+    'unauthorized' => [
+        'code'    => '401',
+        'title'   => 'Unauthorized',
+        'message' => 'Sorry, you need admin privileges to see this page.',
+        'link'    => 'Return to homepage',
+    ],
 ];

app/views/errors/401.blade.php

@@ -0,0 +1,19 @@
+@extends('layout.error')
+
+@section('content')
+    <div class="middle-box text-center">
+        <div>
+            <img class="logo" height="65" src="{{ url('img/cachet-logo.svg') }}" alt="Cachet">
+        </div>
+        <h1>{{ trans('errors.unauthorized.code') }}</h1>
+        <h3>{{ trans('errors.unauthorized.title') }}</h3>
+
+        <div class="error-desc">
+            <p>{{ trans('errors.unauthorized.message') }}</p>
+            <br>
+            <p>
+                <a href="/" class="btn btn-default btn-lg">{{ trans('errors.unauthorized.link') }}</a>
+            </p>
+        </div>
+    </div>
+@stop

src/Http/Before/AdminFilter.php

@@ -22,7 +22,7 @@ class AdminFilter
     public function filter(Route $route, Request $request)
     {
         if (!Auth::check() || (Auth::check() && !Auth::user()->isAdmin)) {
-            return Response::make('Unauthorized', 401);
+            return Response::view('errors.401', ['pageTitle' => trans('errors.unauthorized.title')], 401);
         }
     }
 }

src/Models/User.php

@@ -133,7 +133,7 @@ class User extends Model implements UserInterface, RemindableInterface
      */
     public function getIsAdminAttribute()
     {
-        return (bool) $this->level;
+        return $this->level == 1;
     }
 
     /**