/// <summary>
/// Makes a transaction when there exist a verified agreement between the client and the merchant.
/// In case of payment failure: Please use a minimum of 30 minutes delay between the first try and the second. If the
/// transaction still fails, please wait a couple of hours before the next try. After a total period of 8 hours, you should
/// stop trying to charge the customer.
/// Documentation: http://www.payexpim.com/technical-reference/pxagreement/autopay/
/// </summary>
/// <param name="request">The parameters to the AutoPay request</param>
public async Task <AutoPayResult> AutoPay(AutoPayRequest request)
{
// Validation
if (request == null)
{
throw new ArgumentNullException(nameof(request), "request is required");
}
// Build string for md5 including all fields except empty strings and description field
var hashInput = new StringBuilder();
hashInput.Append(Account.AccountNumber);
hashInput.Append(request.AgreementRef);
hashInput.Append(request.Amount.ToPayEx());
hashInput.Append(request.ProductNumber);
hashInput.Append(request.Description);
hashInput.Append(request.OrderID);
hashInput.Append(request.PurchaseOperation.ToPayEx());
hashInput.Append(request.CurrencyCode);
// Add encryption key at the end of string to be hashed
hashInput.Append(Account.EncryptionKey);
// Create a hash string from the parameters
string hash;
MD5Hash.Hash(hashInput.ToString(), out hash);
// Invoke Initialize method on external PayEx PxOrder web service
var payexAgreement = GetPxAgreementClient();
var xmlReturn = await payexAgreement.AutoPay3Async(
Account.AccountNumber,
request.AgreementRef ?? "",
request.Amount.ToPayEx(),
request.ProductNumber ?? "",
request.Description ?? "",
request.OrderID ?? "",
request.PurchaseOperation.ToPayEx(),
request.CurrencyCode ?? "",
hash);
// Parse the result
var result = ResultParser.ParseAutoPayResult(xmlReturn);
return(result);
}
/// <summary>
/// This method is always invoked right before a customer places an order.
/// Use it when you need to process a payment before an order is stored into database.
/// For example, capture or authorize credit card. Usually this method is used when a customer
/// is not redirected to third-party site for completing a payment and all payments
/// are handled on your site (for example, PayPal Direct).
/// </summary>
/// <param name="processPaymentRequest">Payment info required for an order processing</param>
/// <returns>Process payment result</returns>
public ProcessPaymentResult ProcessPayment(ProcessPaymentRequest processPaymentRequest)
{
var result = new ProcessPaymentResult();
result.NewPaymentStatus = PaymentStatus.Pending;
// Use an existing agreement to make the payment, if the customer chose this option.
if (!processPaymentRequest.CustomValues.TryGetValue(AgreementRefKey, out object agreementRefObject) ||
agreementRefObject == null)
{
return(result);
}
var agreementRef = TryGetAgreementRef(processPaymentRequest.CustomValues);
if (!string.IsNullOrEmpty(agreementRef) &&
agreementRef != "new")
{
string currencyCode = _currencyService.GetCurrencyById(_currencySettings.PrimaryStoreCurrencyId)
.CurrencyCode;
string description = string.Format("{0} - Order", _storeContext.CurrentStore.Name);
AutoPayRequest request = new AutoPayRequest
{
PurchaseOperation = GetPurchaseOperation(),
Amount = processPaymentRequest.OrderTotal,
CurrencyCode = currencyCode,
OrderID = processPaymentRequest.OrderGuid.ToString(),
ProductNumber = "ncOrder",
Description = description,
AgreementRef = agreementRef,
};
PayexInterface payex = GetPayexInterface();
AutoPayResult autopayResult = payex.AutoPay(request).GetAwaiter().GetResult();
// Check result and set new payment status
if (autopayResult.IsTransactionSuccessful)
{
result.SubscriptionTransactionId = agreementRef;
if (autopayResult.TransactionStatus.Value == Enumerations.TransactionStatusCode.Authorize)
{
result.NewPaymentStatus = PaymentStatus.Authorized;
result.AuthorizationTransactionId = autopayResult.TransactionNumber;
result.AuthorizationTransactionResult = autopayResult.ErrorCode;
}
else if (autopayResult.TransactionStatus.Value == Enumerations.TransactionStatusCode.Sale)
{
result.NewPaymentStatus = PaymentStatus.Paid;
result.CaptureTransactionId = autopayResult.TransactionNumber;
result.CaptureTransactionResult = autopayResult.ErrorCode;
}
}
else
{
_logger.Error(
string.Format("PayEx: AutoPay failed for order {0}.", processPaymentRequest.OrderGuid),
new NopException(autopayResult.GetErrorDescription()));
}
}
return(result);
}