public HttpResponseMessage ProcessOrder(int id, Order order)
{
if (order == null || id != order.Id)
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, Resources.InvalidOrder);
}
if (ModelState.IsValid)
{
// This is where you would add custom business logic validation (check stock, approve transaction, etc)
// for instance, validate the transaction before performing the purchase
if (order.ShoppingCart.ShoppingCartItems.Count < 1)
{
ModelState.AddModelError("order.ShoppingCart", Resources.InvalidShoppingCart);
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
var result = order.PaymentMethod.CardNumber != "22222" ? "APPROVED" : string.Format(CultureInfo.CurrentCulture, "Invalid Payment Method. Reason: {0}", "DECLINED_CONTACT_YOUR_BANK");
if (result == "APPROVED")
{
// This is where you would process the order. It is omitted for simplicity of the back end service.
_orderRepository.Delete(order.Id);
return Request.CreateResponse();
}
else
{
ModelState.AddModelError("order.PaymentMethod", result);
}
}
// Only get here if there are ModelState errors
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
public HttpResponseMessage CreateOrder(Order order)
{
if (order == null)
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, Resources.InvalidOrder);
}
if (ModelState.IsValid)
{
order = _orderRepository.Create(order);
var response = Request.CreateResponse(HttpStatusCode.Created, order.Id);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = order.Id }));
return response;
}
else
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
}
