public static void ResponseWasNotOk(this Guard guard, PayExXmlMessage message, Payment payment)
{
if (!message.StatusCode)
{
throw new ArgumentException(string.Format("Error when processing callback for payment {1}: {0}.", message.ErrorDescription, payment.PaymentId));
}
}
public static void PaymentAlreadyCompleted(this Guard guard, PayExXmlMessage message, Payment payment)
{
if (message.AlreadyCompleted)
{
throw new InvalidOperationException(string.Format("The payment {0} has already been completed.", payment.PaymentId));
}
}
/// <summary>
/// Cancels the payment from the payment provider. This is often used when you need to call external services to handle the cancel process.
/// </summary>
/// <param name="payment">The payment.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
protected override bool CancelPaymentInternal(Payment payment, out string status)
{
var paymentMethod = payment.PaymentMethod;
long accountNumber = Convert.ToInt64(paymentMethod.DynamicProperty <string>().AccountNumber.ToString());
var key = paymentMethod.DynamicProperty <string>().Key;
int transactionNumber;
if (!int.TryParse(payment.TransactionId, out transactionNumber))
{
throw new FormatException(string.Format("Could not convert: {0} to an int.", payment.TransactionId));
}
var preHash = accountNumber.ToString() + transactionNumber;
var hash = Md5Computer.GetPreHash(preHash, key);
var xml = GetPxOrderSoapClient(payment.PaymentMethod).Cancel2(accountNumber, transactionNumber, hash);
var message = new PayExXmlMessage(xml);
if (message.StatusCode && message.TransactionStatus == 4 && message.OriginalTransactionNumber.ToString() == payment.TransactionId)
{
payment.TransactionId = message.TransactionNumber.ToString();
payment.Save();
status = PaymentMessages.CancelSuccess;
return(true);
}
status = PaymentMessages.CancelFailed + ": " + message.ErrorDescription;
return(false);
}
/// <summary>
/// Refunds the payment from the payment provider. This is often used when you need to call external services to handle the refund process.
/// </summary>
/// <param name="payment">The payment.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
protected override bool RefundPaymentInternal(Payment payment, out string status)
{
var paymentMethod = payment.PaymentMethod;
long accountNumber = Convert.ToInt64(paymentMethod.DynamicProperty <string>().AccountNumber.ToString());
string key = paymentMethod.DynamicProperty <string>().Key.ToString();
var amount = payment.Amount.ToCents();
var transactionRef = int.Parse(payment.TransactionId);
var hashInput = accountNumber + "" + transactionRef + "" + amount + "" + payment.ReferenceId;
var preHash = Md5Computer.GetPreHash(hashInput, key);
var xml = GetPxOrderSoapClient(payment.PaymentMethod).Credit3(accountNumber, transactionRef, amount, payment.ReferenceId, preHash);
var message = new PayExXmlMessage(xml);
if (message.StatusCode && message.TransactionStatus == 2)
{
status = PaymentMessages.RefundSuccess;
payment.TransactionId = message.TransactionNumber.ToString();
return(true);
}
status = PaymentMessages.RefundFailed + ": " + message.ErrorDescription;
return(false);
}
/// <summary>
/// Acquires the payment from the payment provider. This is often used when you need to call external services to handle the acquire process.
/// </summary>
/// <param name="payment">The payment.</param>
/// <param name="status">The status.</param>
/// <returns></returns>
protected override bool AcquirePaymentInternal(Payment payment, out string status)
{
var paymentMethod = payment.PaymentMethod;
long accountNumber = Convert.ToInt64(paymentMethod.DynamicProperty <string>().AccountNumber.ToString());
var key = paymentMethod.DynamicProperty <string>().Key;
int transactionNumber;
if (!int.TryParse(payment.TransactionId, out transactionNumber))
{
throw new Exception(string.Format("Could not convert: {0} to an int.", payment.TransactionId));
}
var amount = Convert.ToInt32(payment.Amount * 100);
var referenceId = payment.ReferenceId;
var preHash = accountNumber.ToString() + transactionNumber + amount + referenceId;
var hash = Md5Computer.GetPreHash(preHash, key);
var xml = GetPxOrderSoapClient(payment.PaymentMethod).Capture3(accountNumber, transactionNumber, amount, referenceId, hash);
var message = new PayExXmlMessage(xml);
if (message.StatusCode && message.TransactionStatus == 6)
{
payment.TransactionId = message.TransactionNumber.ToString();
status = PaymentMessages.AcquireSuccess;
return(true);
}
status = PaymentMessages.AcquireFailed + ": " + message.ErrorDescription;
return(false);
}
/// <summary>
/// Processed the callback received from the payment provider.
/// </summary>
/// <param name="payment">The payment.</param>
public override void ProcessCallback(Payment payment)
{
Guard.Against.PaymentNotPendingAuthorization(payment);
Guard.Against.NoHttpContext(_webRuntimeInspector);
Guard.Against.MissingParameterInResponse("orderRef");
var paymentMethod = payment.PaymentMethod;
var acceptUrl = paymentMethod.DynamicProperty <string>().AcceptUrl;
var cancelUrlForPaymentMethod = paymentMethod.DynamicProperty <string>().CancelUrl;
long accountNumber = Convert.ToInt64(paymentMethod.DynamicProperty <string>().AccountNumber.ToString());
var key = paymentMethod.DynamicProperty <string>().Key;
string orderReference = GetOrderReferenceFromRequest();
string hash = Md5Computer.GetPreHash(accountNumber + orderReference, key);
PayExXmlMessage completeResponseMessage = CompletePayment(payment, accountNumber, orderReference, hash);
Guard.Against.ResponseWasNotOk(completeResponseMessage, payment);
Guard.Against.PaymentAlreadyCompleted(completeResponseMessage, payment);
if (TransactionStatusNotAuthorized(completeResponseMessage))
{
HandleDeclinedResponse(payment, cancelUrlForPaymentMethod);
}
else
{
HandleAuthorizedResponse(payment, acceptUrl, completeResponseMessage.TransactionNumber.ToString());
}
}
private PayExXmlMessage CompletePayment(Payment payment, long accountNumber, string orderReference, string hash)
{
var xml = GetPxOrderSoapClient(payment.PaymentMethod).Complete(accountNumber, orderReference, hash);
var message = new PayExXmlMessage(xml);
return(message);
}
public override Payment RequestPayment(PaymentRequest paymentRequest)
{
var paymentMethod = paymentRequest.PaymentMethod;
string callBackUrl = paymentMethod.DynamicProperty <string>().CallbackUrl;
string cancelUrlForPaymentMethod = paymentMethod.DynamicProperty <string>().CancelUrl;
long accountNumber = Convert.ToInt64(paymentMethod.DynamicProperty <string>().AccountNumber.ToString());
string key = paymentMethod.DynamicProperty <string>().Key;
if (paymentRequest.Payment == null)
{
paymentRequest.Payment = CreatePayment(paymentRequest);
}
var vatRate = Convert.ToInt32(paymentRequest.Payment.PurchaseOrder.OrderLines.First().VATRate * 100) * 100;
var price = paymentRequest.Payment.Amount.ToCents();
const string purchaseOperation = "AUTHORIZATION";
var isoCode = paymentRequest.PurchaseOrder.BillingCurrency.ISOCode;
var productNumber = paymentRequest.Payment.ReferenceId;
var clientIpAddress = HttpContext.Current.Request.UserHostAddress;
const string description = "Sum";
var returnUrl = _callbackUrl.GetCallbackUrl(callBackUrl, paymentRequest.Payment);
const string creditcard = "CREDITCARD";
var clientLanguage = LocalizationContext.CurrentCultureCode;
string cancelUrl = AbstractPageBuilder.GetAbsoluteUrl(cancelUrlForPaymentMethod);
string value = accountNumber +
purchaseOperation +
price +
"" +
isoCode +
vatRate +
productNumber +
productNumber +
description +
clientIpAddress +
"" +
"" +
"" +
returnUrl +
creditcard +
"" +
cancelUrl +
clientLanguage;
var preHash = Md5Computer.GetPreHash(value, key);
var pxOrderSoapClient = GetPxOrderSoapClient(paymentMethod);
string xml = pxOrderSoapClient.Initialize7(
accountNumber,
purchaseOperation,
price,
"",
isoCode,
vatRate,
productNumber,
productNumber,
description,
clientIpAddress,
"",
"",
"",
returnUrl,
creditcard,
"",
cancelUrl,
clientLanguage,
preHash
);
var message = new PayExXmlMessage(xml);
if (!message.StatusCode)
{
throw new Exception(string.Format("The webservice returned: {0}.", xml));
}
// To avoid Thread being aborted exception allow the request to complete before redirecting.
HttpContext.Current.Response.Redirect(message.RedirectUrl);
return(paymentRequest.Payment);
}
private bool TransactionStatusNotAuthorized(PayExXmlMessage message)
{
return(message.TransactionStatus != 3);
}
