// The user is redirected to paymentcallback/user/orderRef={guid}&orderNumber={string}&confirmationUrl={url} after having successfully supplied their payment information in PayEx
public RedirectResult User(string orderRef, string orderNumber, string confirmationUrl)
{
UrlBuilder confirmationUrlBuilder = new UrlBuilder(confirmationUrl);
// Get the cart for the current user
Cart cart = new CartHelper(Cart.DefaultName).Cart;
PayExPayment payExPayment = GetPayExPayment(cart);
// If the cart doesn't contain a PayExPayment, something has gone wrong
if (payExPayment == null)
{
return(ErrorResult(confirmationUrlBuilder, null));
}
// If the PayExPayment doesn't contain an OrderNumber, something has gone wrong
if (string.IsNullOrWhiteSpace(payExPayment.OrderNumber))
{
return(ErrorResult(confirmationUrlBuilder, null));
}
// If the PayExPayment OrderNumber doesn't equal the orderNumber from the queryString, something has gone wrong
if (!payExPayment.OrderNumber.Equals(orderNumber))
{
return(ErrorResult(confirmationUrlBuilder, null));
}
PayExPaymentGateway gateway = new PayExPaymentGateway();
string transactionErrorCode;
// Complete the PayEx payment
bool processed = gateway.ProcessSuccessfulTransaction(payExPayment, orderNumber, orderRef, cart, out transactionErrorCode);
bool created = false;
if (processed) // If the payment was successfully completed, you can create a Purchase Order
{
created = CreatePurchaseOrder(cart, payExPayment, orderNumber);
}
if (!created)
{
return(ErrorResult(confirmationUrlBuilder, transactionErrorCode));
}
// Redirect the user to an order confirmation page
confirmationUrlBuilder.QueryCollection.Add(ParameterName.OrderNumber, orderNumber);
return(new RedirectResult(confirmationUrlBuilder.ToString()));
}
// This action is used for transactional callbacks: http://www.payexpim.com/quick-guide/9-transaction-callback/
public HttpStatusCodeResult Index(string orderRef, [Bind(Prefix = ParameterName.PayExTransactionNumber)] string transactionNumber, [Bind(Prefix = ParameterName.PayExTransactionRef)] string transactionRef)
{
// Check that the request comes from a valid PayEx IP: http://www.payexpim.com/quick-guide/9-transaction-callback/
// The IP should not be hardcoded, this is only an example!
if (Request.ServerVariables["REMOTE_ADDR"] != "82.115.146.170")
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
if (string.IsNullOrEmpty(orderRef))
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
string orderNumber;
Cart cart = GetCartByOrderRef(orderRef, out orderNumber);
if (cart == null || string.IsNullOrEmpty(orderNumber))
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
PayExPayment payExPayment = GetPayExPayment(cart);
PayExPaymentGateway gateway = new PayExPaymentGateway();
string transactionErrorCode;
// Complete the PayEx payment
bool success = gateway.ProcessSuccessfulTransaction(payExPayment, orderNumber, orderRef, cart, out transactionErrorCode);
if (success)
{
return(new HttpStatusCodeResult(HttpStatusCode.OK));
}
else
{
// If an order has already been created, maybe you'd want to cancel it if the callback wasn't successful?
}
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
