public function editCostCategoryNgAction($costCategory_id)
 {
     $em = $this->getDoctrine()->getManager();
     $data = json_decode(file_get_contents("php://input"));
     $parameters = (object) $data;
     $costCategory = CostCategory::editCostCategoryById($em, $costCategory_id, $parameters);
     $response = new Response(json_encode(array("result" => $costCategory->getInArray())));
     $response->headers->set('Content-Type', 'application/json');
     return $response;
 }
 public static function addCostCategory($em, $parameters)
 {
     $costCategory = new CostCategory();
     $costCategory->setName($parameters->name);
     $costCategory->setType($parameters->type);
     $em->persist($costCategory);
     $em->flush();
     return $costCategory;
 }