/**
  * @param CEvent $event
  * @return bool
  */
 public function readPermissionSubscriptionOnAfterSave(CEvent $event)
 {
     if ($this->enabled) {
         if ($event->sender->getIsNewModel()) {
             if (get_class($event->sender) == 'Account') {
                 ReadPermissionsSubscriptionUtil::updateAccountReadSubscriptionTableBasedOnBuildTable($event->sender->id);
             } else {
                 ReadPermissionsSubscriptionUtil::addModelToReadSubscriptionTableByModelIdAndModelClassNameAndUser($event->sender->id, get_class($event->sender), $event->sender->owner);
             }
         } elseif (!$event->sender->getIsNewModel() && get_class($event->sender) == 'Account' && $event->sender->arePermissionsChanged()) {
             // When read permissions for account are changed, for example when group can access account
             ReadPermissionsSubscriptionUtil::updateAccountReadSubscriptionTableBasedOnBuildTable($event->sender->id);
         }
     }
     return true;
 }