private OrderService orderService;
@RequestMapping(method = RequestMethod.POST)
public ResponseEntity<Order> createOrder(@RequestBody Order order, UriComponentsBuilder builder) {
OrderCreatedEvent orderCreated = orderService.createOrder(new CreateOrderEvent(order.toOrderDetails()));
Order newOrder = Order.fromOrderDetails(orderCreated.getDetails());
HttpHeaders headers = new HttpHeaders();
headers.setLocation(