/**
  * display a single event
  * 
  * @param integer $event
  * @return null
  */
 public function showAction($event)
 {
     /* don't let Extbase fetch the event
      * as you won't be able to extend the model
      * via an extension
      */
     $event = $this->eventIndexRepository->findByUid($event);
     if (empty($event)) {
         $this->throwStatus(404, 'Not found', 'The requested event could not be found.');
     }
     $this->view->assign('event', $event);
 }