private void Subscriber(StoryEvent param)
            {
                switch (param.Type)
                {
                case StoryEventType.Fav:
                    DataRequester.SetStoryFavorite(CurrentStoryId, param.IsChecked);
                    break;

                case StoryEventType.Like:
                    DataRequester.SetStoryLike(CurrentStoryId, param.IsChecked);
                    break;
                }
            }
 private void Subscriber(DefaultEvent param)
 {
     if (!AuthorizationHelper.IsLogin)
     {
         //TODO: please login
         return;
     }
     switch (param.EventType)
     {
     case EventType.ClickFav:
         DataRequester.SetStoryFavorite(CurrentStoryId, param.IsChecked);
         break;
     }
 }