/**
  * Update the specified resource in storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function update($slug)
 {
     $event = Event::findBySlug($slug);
     $chair_id = (int) \Request::get('chair_id');
     if (\Auth::id() === $chair_id) {
         $result = $event->update(array('chair_id' => $chair_id));
     }
     if ($result) {
         return response('Event chair updated!');
     } else {
         abort(409, 'There was an issue updating the registration.');
     }
 }
 public function registrations($slug)
 {
     $event = Event::findBySlug($slug);
     // Check if exists
     if (!$event) {
         abort(404);
     }
     $registrations = $event->allRegistrations();
     return view('pages.admin.events.registrations', compact('event', 'registrations'));
 }
 /**
  * Remove the specified resource from storage.
  *
  * @param  int $id
  * @return Response
  */
 public function destroy($slug, $id)
 {
     $event = Event::findBySlug($slug);
     if ($id == 'self') {
         if (\Auth::check()) {
             EventRegistration::where('user_id', '=', \Auth::id())->where('event_id', '=', $event->id)->delete();
         }
     } else {
         EventRegistration::destroy($id);
     }
 }