model.put("event", event);
} else if(StringUtils.equals(Album.NAME, activity.getEntity())) {
Album album = albumService.getAlbum(activity.getLinkedId());
model.put("album", album);
} else if(StringUtils.equals(Photo.NAME, activity.getEntity())) {
Photo photo = photoService.getPhoto(activity.getLinkedId());
model.put("photo", photo);
} else if(StringUtils.equals(Question.NAME, activity.getEntity())) {
Question question = questionService.getQuestion(activity.getLinkedId());
model.put("question", question);
} else if(StringUtils.equals(Answer.NAME, activity.getEntity())) {