public Car Add(Car car) {
car.Id = _nextId;
_carsDictionary.TryAdd(car.Id, car);
_nextId++;
return car;
}
// POST /api/cars
public HttpResponseMessage PostCar(Car car) {
var createdCar = _carsCtx.Add(car);
var response = Request.CreateResponse(HttpStatusCode.Created, createdCar);
response.Headers.Location = new Uri(
Url.Link("DefaultHttpRoute", new { id = createdCar.Id }));
return response;
}
public bool TryUpdate(Car car) {
Car oldCar;
if (_carsDictionary.TryGetValue(car.Id, out oldCar)) {
return _carsDictionary.TryUpdate(car.Id, car, oldCar);
}
return false;
}
// PUT /api/cars/{id}
public Car PutCar(int id, Car car) {
car.Id = id;
if (!_carsCtx.TryUpdate(car)) {
var response = Request.CreateResponse(HttpStatusCode.NotFound);
throw new HttpResponseException(response);
}
return car;
}