/**
  * @Route("/categories", name="categories_list")
  */
 public function categoriesAction(Request $request)
 {
     $dataManager = new Manager('Category');
     return new JsonResponse($dataManager->retrieveAll());
 }
 /**
  * @Route("/manage/user", name="manage_users_list")
  * @Method("GET")
  */
 public function indexAction(Request $request)
 {
     $dataManager = new Manager('User');
     return new JsonResponse($dataManager->retrieveAll());
 }