Since: 2.0
Author: Qiang Xue (qiang.xue@gmail.com)
Inheritance: extends Action
 /**
  * Attach two-way sync needed behaviors for REST action
  * @param ActionEvent $event
  * @return bool
  * @throws NotSupportedException
  */
 public function beforeRestAction(ActionEvent $event)
 {
     /** @var Action $action */
     $action = $event->action;
     Event::on(BaseActiveRecord::className(), BaseActiveRecord::EVENT_INIT, [$this, 'makeModelSyncable'], null, false);
     switch (get_class($action)) {
         case IndexAction::className():
             $action->attachBehavior('indexLatest', IndexLatestBehavior::className());
             break;
         case CreateAction::className():
             // nothing to attach on create for now
             // TODO: check is needed to behave something here
             break;
         case UpdateAction::className():
             $action->attachBehavior('updateConflict', UpdateConflictBehavior::className());
             break;
         default:
             // TODO: implement custom new so called 'TwoWaySync action' stub for future custom actions
             // TODO: and add method attachSyncBehaviors()
             // $action->attachSyncBehaviors();
             //                throw new NotSupportedException("Not implemented yet");
             break;
     }
     return $event->isValid;
 }