fixed shortcode edit issues plus refactoring

app/Http/Middleware/CheckCurrentlyLoggedInUsers.php

@@ -21,6 +21,9 @@ class CheckCurrentlyLoggedInUsers
             $device = $request->server('HTTP_USER_AGENT');
             $realm = $id . $device;
             $current_user = Models\LoggedUser::where('user_id', $id)->where('device', $device)->first();
+            if($current_user == null){
+                return $next($request);
+            }
             $current_user->last_seen_time = date('Y-m-d H:i:s');
             $current_user->ip_address = \Request::ip();
 
@@ -29,3 +32,6 @@ class CheckCurrentlyLoggedInUsers
         return $next($request);
     }
 }
+
+
+