/// <summary>
/// Create a dictionary with credentials for SagePay service.
/// </summary>
/// <param name="settings"></param>
/// <returns></returns>
//private static Dictionary<string, string> CreateSagePayApiConfig(SagePayProcessorSettings settings)
//{
// return new Dictionary<string, string>
// {
// {"mode", GetModeString(settings.LiveMode)},
// {"account.vendorName", settings.VendorName},
// {"account.encyptionPassword", settings.EncyptionPassword},
// {"account.apiVersion", settings.ApiVersion}
// };
//}
/// <summary>
/// Processes the Authorize and AuthorizeAndCapture transactions
/// </summary>
/// <param name="invoice">The <see cref="IInvoice"/> to be paid</param>
/// <param name="payment">The <see cref="Core.Models.IPayment"/> record</param>
/// <param name="args"></param>
/// <returns>The <see cref="Core.Gateways.Payment.IPaymentResult"/></returns>
public IPaymentResult InitializePayment(IInvoice invoice, IPayment payment, ProcessorArgumentCollection args)
{
try
{
// Gather SagePay settings info and formulate it into a Dictionary for posting to the gateway
var sagePayFormIntegration = new SagePayFormIntegration(Settings);
var request = sagePayFormIntegration.FormPaymentRequest();
SetSagePayApiData(request, invoice, payment);
// Do basic validation as per the SagePay kit
var errors = sagePayFormIntegration.Validation(request);
if (errors.Count > 0)
{
return new PaymentResult(Attempt<IPayment>.Fail(payment, base.CreateErrorResult(errors)), invoice, true);
}
// Use the SagePay methods to encrypt the form so it can be posted
sagePayFormIntegration.ProcessRequest(request);
// Prepare a HTTP post
var content =
new FormUrlEncodedContent(
new Dictionary<string, string>
{
{"VPSProtocol", Settings.ApiVersion},
{"TxType", Constants.TransactionType},
{"Vendor", Settings.VendorName},
//{"Profile", "LOW"}, // Provider setting?
{"Crypt", request.Crypt}
});
try
{
// Post the form to SagePay VSP
var formPaymentUrl = string.Format("https://{0}.sagepay.com/gateway/service/vspform-register.vsp", Settings.Environment);
// TEST form post
//var formPaymentUrl = string.Format("https://{0}.sagepay.com/showpost/showpost.asp", GetModeString(Settings.LiveMode));
var result = new HttpClient().PostAsync(formPaymentUrl, content).Result;
// Store transaction details in ExtendedData
payment.ExtendedData.SetValue(Constants.ExtendedDataKeys.VendorTransactionCode, request.VendorTxCode);
// Flag an error in the backoffice if the result is not successful
if (!result.IsSuccessStatusCode)
{
return new PaymentResult(Attempt<IPayment>.Fail(payment, CreateErrorResult(result.RequestMessage.Content)), invoice, true);
}
// Process the response from SagePay - this contains the redirect URL for the customer to complete their payment.
var redirectUrl = result.RequestMessage.RequestUri.ToString();
payment.ExtendedData.SetValue(Constants.ExtendedDataKeys.SagePayPaymentUrl, redirectUrl);
}
catch (Exception ex)
{
LogHelper.Error<SagePayFormPaymentProcessor>("SagePay form post failed. Crypt value: " + request.Crypt, ex);
}
// Store our site return URL and cancel URL in extendedData so it can be used in the callback
var returnUrl = GetWebsiteUrl() + Settings.ReturnUrl;
payment.ExtendedData.SetValue(Constants.ExtendedDataKeys.ReturnUrl, returnUrl);
var cancelUrl = GetWebsiteUrl() + Settings.CancelUrl;
payment.ExtendedData.SetValue(Constants.ExtendedDataKeys.CancelUrl, cancelUrl);
return new PaymentResult(Attempt<IPayment>.Succeed(payment), invoice, true);
}
catch (Exception ex)
{
return new PaymentResult(Attempt<IPayment>.Fail(payment, ex), invoice, true);
}
}
