public function deleteFeaturedEvent($id)
 {
     $this->tx_manager->transaction(function () use($id) {
         FeaturedEvent::delete_by_id('FeaturedEvent', $id);
     });
 }
 public function removeFeaturedEvent()
 {
     $featured_event_id = (int) $this->request->param('EVENT_ID');
     FeaturedEvent::delete_by_id('FeaturedEvent', $featured_event_id);
     return $this->owner->redirectBack();
 }