/// <summary>
/// Handles the a successful payment response from the PayPal Express checkout
/// </summary>
/// <param name="invoiceKey">
/// The invoice key.
/// </param>
/// <param name="paymentKey">
/// The payment key.
/// </param>
/// <param name="token">
/// The token.
/// </param>
/// <param name="payerId">
/// The payer id.
/// </param>
/// <returns>
/// The <see cref="ActionResult"/>.
/// </returns>
public override ActionResult Success(Guid invoiceKey, Guid paymentKey, string token, string payerId)
{
var redirecting = new PaymentRedirectingUrl("Success") { RedirectingToUrl = _successUrl };
var logData = GetExtendedLoggerData();
try
{
var invoice = GetInvoice(invoiceKey);
var payment = GetPayment(paymentKey);
// We can now capture the payment
// This will actually make a few more API calls back to PayPal to get required transaction
// data so that we can refund the payment later through the back office if needed.
var attempt = invoice.CapturePayment(payment, _paymentMethod, invoice.Total);
// Raise the event to process the email
Processed.RaiseEvent(new PaymentAttemptEventArgs<IPaymentResult>(attempt), this);
// If this is an AJAX request return the JSON
if (payment.ExtendedData.GetPayPalRequestIsAjaxRequest())
{
var resp = new PaymentResultAsyncResponse
{
Success = attempt.Payment.Success,
InvoiceKey = attempt.Invoice.Key,
PaymentKey = attempt.Payment.Result.Key,
PaymentMethodName = "PayPal Express Checkout"
};
if (attempt.Payment.Exception != null)
resp.Messages.Add(attempt.Payment.Exception.Message);
return Json(resp);
}
if (attempt.Payment.Success)
{
// we need to empty the basket here
Basket.Empty();
// raise the event so the redirect URL can be manipulated
RedirectingForSuccess.RaiseEvent(new ObjectEventArgs<PaymentRedirectingUrl>(redirecting), this);
return Redirect(redirecting.RedirectingToUrl);
}
var retrying = new PaymentRedirectingUrl("Cancel") { RedirectingToUrl = _cancelUrl };
var qs = string.Format("?invoicekey={0}&paymentkey={1}", invoiceKey, paymentKey);
if (!retrying.RedirectingToUrl.IsNullOrWhiteSpace()) return Redirect(retrying.RedirectingToUrl + qs);
var invalidOp = new InvalidOperationException("Retry url was not specified");
MultiLogHelper.Error<PayPalExpressController>("Could not redirect to retry", invalidOp);
throw invalidOp;
}
catch (Exception ex)
{
var extra = new { InvoiceKey = invoiceKey, PaymentKey = paymentKey, Token = token, PayerId = payerId };
logData.SetValue<object>("extra", extra);
MultiLogHelper.Error<PayPalExpressController>(
"Failed to Capture SUCCESSFUL PayPal Express checkout response.",
ex,
logData);
throw;
}
}
/// <summary>
/// Handles a cancellation payment response from the PayPal Express checkout.
/// </summary>
/// <param name="invoiceKey">
/// The invoice key.
/// </param>
/// <param name="paymentKey">
/// The payment key.
/// </param>
/// <param name="token">
/// The token.
/// </param>
/// <param name="payerId">
/// The payer id.
/// </param>
/// <returns>
/// The <see cref="ActionResult"/>.
/// </returns>
public override ActionResult Cancel(Guid invoiceKey, Guid paymentKey, string token, string payerId = null)
{
var redirecting = new PaymentRedirectingUrl("Cancel") { RedirectingToUrl = _cancelUrl };
try
{
var invoice = GetInvoice(invoiceKey);
var payment = GetPayment(paymentKey);
if (_deleteInvoiceOnCancel)
{
InvoiceService.Delete(invoice);
}
else
{
payment.VoidPayment(invoice, _paymentMethod.PaymentMethod.Key);
}
// raise the event so the redirect URL can be manipulated
RedirectingForCancel.RaiseEvent(new ObjectEventArgs<PaymentRedirectingUrl>(redirecting), this);
return Redirect(redirecting.RedirectingToUrl);
}
catch (Exception ex)
{
var logData = GetExtendedLoggerData();
var extra = new { InvoiceKey = invoiceKey, PaymentKey = paymentKey, Token = token, PayerId = payerId };
logData.SetValue<object>("extra", extra);
MultiLogHelper.Error<PayPalExpressController>(
"Failed to Cancel PayPal Express checkout response.",
ex,
logData);
throw;
}
}
