private static PurchaseProductResponse PurchaseProduct(PurchaseProductRequest request)
{
PurchaseProductResponse response = new PurchaseProductResponse();
try
{
HttpRequestMessage requestMessage = new HttpRequestMessage(HttpMethod.Post, _productPurchaseServiceUri);
requestMessage.Headers.ExpectContinue = false;
String jsonArguments = JsonConvert.SerializeObject(request);
requestMessage.Content = new StringContent(jsonArguments, Encoding.UTF8, "application/json");
HttpClient httpClient = new HttpClient();
httpClient.Timeout = new TimeSpan(0, 10, 0);
Task <HttpResponseMessage> httpRequest = httpClient.SendAsync(requestMessage,
HttpCompletionOption.ResponseContentRead, CancellationToken.None);
HttpResponseMessage httpResponse = httpRequest.Result;
HttpStatusCode statusCode = httpResponse.StatusCode;
HttpContent responseContent = httpResponse.Content;
Task <String> stringContentsTask = responseContent.ReadAsStringAsync();
String stringContents = stringContentsTask.Result;
if (statusCode == HttpStatusCode.OK && responseContent != null)
{
response = JsonConvert.DeserializeObject <PurchaseProductResponse>(stringContents);
}
else
{
response.Exception = new Exception(stringContents);
}
}
catch (Exception ex)
{
response.Exception = ex;
}
return(response);
}
static void Main(string[] args)
{
ReserveProductRequest reservationRequest = new ReserveProductRequest();
reservationRequest.ProductId = "13a35876-ccf1-468a-88b1-0acc04422243";
reservationRequest.ProductQuantity = 10;
ProductReservationResponse reservationResponse = ReserveProduct(reservationRequest);
Console.WriteLine("Reservation response received.");
Console.WriteLine(string.Concat("Reservation success: ", (reservationResponse.Exception == null)));
if (reservationResponse.Exception == null)
{
Console.WriteLine("Reservation id: " + reservationResponse.ReservationId);
PurchaseProductRequest purchaseRequest = new PurchaseProductRequest();
purchaseRequest.ProductId = reservationResponse.ProductId;
purchaseRequest.ReservationId = reservationResponse.ReservationId;
PurchaseProductResponse purchaseResponse = PurchaseProduct(purchaseRequest);
if (purchaseResponse.Exception == null)
{
Console.WriteLine("Purchase confirmation id: " + purchaseResponse.PurchaseId);
}
else
{
Console.WriteLine(purchaseResponse.Exception.Message);
}
}
else
{
Console.WriteLine(reservationResponse.Exception.Message);
}
Console.ReadKey();
}
public PurchaseProductResponse PurchaseProduct(PurchaseProductRequest productPurchaseRequest)
{
PurchaseProductResponse purchaseProductResponse = new PurchaseProductResponse();
try
{
if (_messageRepository.IsUniqueRequest(productPurchaseRequest.CorrelationId))
{
Product product = _productRepository.FindBy(Guid.Parse(productPurchaseRequest.ProductId));
if (product != null)
{
ProductPurchase productPurchase = null;
if (product.ReservationIdValid(Guid.Parse(productPurchaseRequest.ReservationId)))
{
productPurchase = product.ConfirmPurchaseWith(Guid.Parse(productPurchaseRequest.ReservationId));
_productRepository.Save(product);
purchaseProductResponse.ProductId = productPurchase.Product.ID.ToString();
purchaseProductResponse.PurchaseId = productPurchase.Id.ToString();
purchaseProductResponse.ProductQuantity = productPurchase.ProductQuantity;
purchaseProductResponse.ProductName = productPurchase.Product.Name;
}
else
{
throw new ResourceNotFoundException(string.Concat("Invalid or expired reservation id: ", productPurchaseRequest.ReservationId));
}
_messageRepository.SaveResponse <PurchaseProductResponse>(productPurchaseRequest.CorrelationId, purchaseProductResponse);
}
else
{
throw new ResourceNotFoundException(string.Concat("No product with id ", productPurchaseRequest.ProductId, " was found."));
}
}
else
{
purchaseProductResponse = _messageRepository.RetrieveResponseFor <PurchaseProductResponse>(productPurchaseRequest.CorrelationId);
}
}
catch (Exception ex)
{
purchaseProductResponse.Exception = ex;
}
return(purchaseProductResponse);
}
