public IPaymentResponse AmexResponseHandler(IGatewayCharge gatewayCharge)
{
NameValueCollection nvcResponseQueryString = HttpUtility.ParseQueryString(gatewayCharge.QueryString);
VpcRequest vpcRequest = new VpcRequest(_settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcPaymentCaptureServerUrl), _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.SecureSecret));
vpcRequest.AddVpcResponseFields(nvcResponseQueryString);
string vpcTxnResponseCode = vpcRequest.GetResultField("vpc_TxnResponseCode", "Unknown");
string vpc3DSstatus = vpcRequest.GetResultField("vpc_3DSstatus", "Unknown");
string vpcTransactionNo = vpcRequest.GetResultField("vpc_TransactionNo", "Unknown");
string vpcMerchTxnRef = vpcRequest.GetResultField("vpc_MerchTxnRef", "Unknown");
string vpcAmount = vpcRequest.GetResultField("vpc_Amount", "Unknown");
if (vpcTxnResponseCode.Equals("0") && vpc3DSstatus.Equals("Y"))
{
try
{
VpcRequest vpcCaptureRequest = new VpcRequest(_settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcPaymentCaptureServerUrl), _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.SecureSecret));
vpcCaptureRequest.AddVpcRequestFields("vpc_Version", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcVersion));
vpcCaptureRequest.AddVpcRequestFields("vpc_Command", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcCommand));
vpcCaptureRequest.AddVpcRequestFields("vpc_AccessCode", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.AccessKey));
vpcCaptureRequest.AddVpcRequestFields("vpc_Merchant", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.MerchantId));
vpcCaptureRequest.AddVpcRequestFields("vpc_TransNo", vpcTransactionNo);
vpcCaptureRequest.AddVpcRequestFields("vpc_MerchTxnRef", vpcMerchTxnRef);
vpcCaptureRequest.AddVpcRequestFields("vpc_Amount", vpcAmount);
vpcCaptureRequest.AddVpcRequestFields("vpc_User", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.UserName));
vpcCaptureRequest.AddVpcRequestFields("vpc_Password", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.Password));
vpcCaptureRequest.SendVpcCaptureRequest();
string vpcCaptureTxnResponseCode = vpcRequest.GetResultField("vpc_TxnResponseCode", "Unknown");
string paymentConfirmationNumber = vpcRequest.GetResultField("vpc_TransactionNo", "Unknown");
string vpcCaptureMerchTxnRef = vpcRequest.GetResultField("vpc_MerchTxnRef", "Unknown");
if (vpcCaptureTxnResponseCode.Equals("0"))
{
return(GetPaymentResponse(true, PaymentGatewayError.None));
}
else
{
return(GetPaymentResponse(false, GetPaymentGatewayErrorCode(vpcCaptureTxnResponseCode)));
}
}
catch (Exception ex)
{
_logger.Log(LogCategory.Error, new Exception("Failed to process transaction", ex));
return(GetPaymentResponse(false, GetPaymentGatewayErrorCode(ex.Message)));
}
}
else
{
return(GetPaymentResponse(false, GetPaymentGatewayErrorCode(vpcTxnResponseCode)));
}
}
protected override async Task <IPaymentRedirectResponse> PaymentRedirectChargeGenerator(ICharge charge)
{
try
{
VpcRequest vpcRequest = new VpcRequest(_settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcPaymentServerUrl), _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.SecureSecret));
vpcRequest.AddVpcRequestFields("vpc_Version", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcVersion));
vpcRequest.AddVpcRequestFields("vpc_Command", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.VpcCommand));
vpcRequest.AddVpcRequestFields("vpc_AccessCode", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.AccessKey));
vpcRequest.AddVpcRequestFields("vpc_Merchant", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Amex.MerchantId));
vpcRequest.AddVpcRequestFields("vpc_ReturnURL", _settings.GetConfigSetting <string>(SettingKeys.PaymentGateway.Paypal.ReturnUrl));
vpcRequest.AddVpcRequestFields("vpc_MerchTxnRef", charge.TransactionId.ToString());
vpcRequest.AddVpcRequestFields("vpc_OrderInfo", $"Transaction charge for {charge.TransactionId.ToString()}");
vpcRequest.AddVpcRequestFields("vpc_Amount", (Convert.ToDouble(charge.Amount) * 100).ToString());
vpcRequest.AddVpcRequestFields("vpc_Locale", "en");
string chargeUrl = vpcRequest.CreateAmexChargeRedirectUrl();
return(GetPaymentRedirectResponse(chargeUrl, ""));
}
catch (Exception ex)
{
_logger.Log(LogCategory.Error, new Exception("Failed to create redirect charge", ex));
return(GetPaymentRedirectResponse(null, ex.Message));
}
}
