/**
  * @return JsonResponse
  */
 public function pumpStateAction(Request $request)
 {
     $data = ['message' => 'no_action', 'state' => null];
     if ($request->request->has('state')) {
         if ($this->brewControlManager->setPumpState($request->request->get('state'))) {
             $data['message'] = 'success';
         } else {
             $data['message'] = 'error';
         }
         $data['state'] = $request->request->get('state');
     }
     return JsonResponse::create($data);
 }