Add manage link to email notifications

app/Http/Controllers/SubscribeController.php

@@ -131,11 +131,13 @@ class SubscribeController extends Controller
     /**
      * Shows the subscription manager page.
      *
+     * @param string|null $code
+     *
      * @return \Illuminate\View\View
      */
-    public function showManage()
+    public function showManage($code = null)
     {
-        if (!($code = Binput::get('subscriber'))) {
+        if ($code === null) {
             throw new NotFoundHttpException();
         }
 

app/Http/Routes/SubscribeRoutes.php

@@ -39,8 +39,8 @@ class SubscribeRoutes
                 'uses' => 'SubscribeController@postSubscribe',
             ]);
 
-            $router->get('subscribe/manage', [
-                'as'   => 'subscribe.manage',
+            $router->get('subscribe/manage/{code}', [
+                'as'   => 'manage',
                 'uses' => 'SubscribeController@showManage',
             ]);