/// <summary>
/// Refund an order that has been paid or released
/// </summary>
/// <param name="orderGuid">Order guid</param>
/// <param name="orderTotal">Order total</param>
/// <param name="currencyCode">Currency code</param>
/// <returns></returns>
public RefundTransactionResult RefundTransaction(String orderGuid, decimal orderTotal, string currencyCode)
{
var result = new RefundTransactionResult();
var transx = _sagePayServerTransactionService.GetSagePayServerTransactionByVendorTxCode(orderGuid);
if (transx == null)
{
result.Message = String.Format("SagePay Server vendor transaction code {0} does not exist.", orderGuid);
return(result);
}
var webClient = new WebClient();
var returnGuid = Guid.NewGuid();
var data = new QueryStringNameValueCollection
{
{ "VPSProtocol", SagePayHelper.GetProtocol() },
{ "TxType", "REFUND" },
{ "Vendor", _sagePayServerPaymentSettings.VendorName },
{ "VendorTxCode", returnGuid.ToString() },
{ "VPSTxId", transx.VpsTxId },
{ "SecurityKey", transx.SecurityKey },
{ "TxAuthNo", transx.TxAuthNo },
{
"Amount",
orderTotal.ToString("F2", CultureInfo.InvariantCulture)
},
{ "Currency", currencyCode },
{ "Description", "---" },
{ "RelatedVPSTxId", transx.VpsTxId },
{ "RelatedVendorTxCode", orderGuid },
{ "RelatedSecurityKey", transx.SecurityKey },
{ "RelatedTxAuthNo", transx.TxAuthNo }
};
var postUrl = SagePayHelper.GetSageSystemUrl(_sagePayServerPaymentSettings.ConnectTo, "refund");
string strResponse;
try
{
var responseData = webClient.UploadValues(postUrl, data);
strResponse = Encoding.ASCII.GetString(responseData);
}
catch (WebException ex)
{
result.Message = (String.Format(
@"Your server was unable to release this transaction with Sage Pay.
Check that you do not have a firewall restricting the POST and
that your server can correctly resolve the address {0}. <br/>
The Status Number is: {1}<br/>
The Description given is: {2}", postUrl, ex.Status, ex.Message));
return(result);
}
if (string.IsNullOrWhiteSpace(strResponse))
{
result.Message = (String.Format(
@"Your server was unable to register this transaction with Sage Pay.
Check that you do not have a firewall restricting the POST and
that your server can correctly resolve the address {0}.", postUrl));
return(result);
}
var strStatus = SagePayHelper.FindField("Status", strResponse);
var strStatusDetail = SagePayHelper.FindField("StatusDetail", strResponse);
switch (strStatus)
{
case "OK":
result.Success = true;
break;
case "MALFORMED":
result.Message = (string.Format("Error ({0}: {1}) <br/> {2}", strStatus, strStatusDetail, data.Encode()));
break;
case "INVALID":
result.Message = (string.Format("Error ({0}: {1}) <br/> {2}", strStatus, strStatusDetail, data.Encode()));
break;
default:
result.Message = (string.Format("Error ({0}: {1})", strStatus, strStatusDetail));
break;
}
return(result);
}
/// <summary>
/// Refund an order that has been paid or released
/// </summary>
/// <param name="orderGuid">Order guid</param>
/// <param name="orderTotal">Order total</param>
/// <param name="currencyCode">Currency code</param>
/// <returns></returns>
public RefundTransactionResult RefundTransaction(String orderGuid, decimal orderTotal, string currencyCode)
{
var result = new RefundTransactionResult();
var transx = _sagePayServerTransactionService.GetSagePayServerTransactionByVendorTxCode(orderGuid);
if (transx == null)
{
result.Message = String.Format("SagePay Server vendor transaction code {0} does not exist.", orderGuid);
return result;
}
var webClient = new WebClient();
var returnGuid = Guid.NewGuid();
var data = new QueryStringNameValueCollection
{
{"VPSProtocol", SagePayHelper.GetProtocol()},
{"TxType", "REFUND"},
{"Vendor", _sagePayServerPaymentSettings.VendorName},
{"VendorTxCode", returnGuid.ToString()},
{"VPSTxId", transx.VpsTxId},
{"SecurityKey", transx.SecurityKey},
{"TxAuthNo", transx.TxAuthNo},
{
"Amount",
orderTotal.ToString("F2", CultureInfo.InvariantCulture)
},
{"Currency", currencyCode},
{"Description", "---"},
{"RelatedVPSTxId", transx.VpsTxId},
{"RelatedVendorTxCode", orderGuid},
{"RelatedSecurityKey", transx.SecurityKey},
{"RelatedTxAuthNo", transx.TxAuthNo}
};
var postUrl = SagePayHelper.GetSageSystemUrl(_sagePayServerPaymentSettings.ConnectTo, "refund");
string strResponse;
try
{
var responseData = webClient.UploadValues(postUrl, data);
strResponse = Encoding.ASCII.GetString(responseData);
}
catch (WebException ex)
{
result.Message = (String.Format(
@"Your server was unable to release this transaction with Sage Pay.
Check that you do not have a firewall restricting the POST and
that your server can correctly resolve the address {0}. <br/>
The Status Number is: {1}<br/>
The Description given is: {2}", postUrl, ex.Status, ex.Message));
return result;
}
if (string.IsNullOrWhiteSpace(strResponse))
{
result.Message = (String.Format(
@"Your server was unable to register this transaction with Sage Pay.
Check that you do not have a firewall restricting the POST and
that your server can correctly resolve the address {0}.", postUrl));
return result;
}
var strStatus = SagePayHelper.FindField("Status", strResponse);
var strStatusDetail = SagePayHelper.FindField("StatusDetail", strResponse);
switch (strStatus)
{
case "OK":
result.Success = true;
break;
case "MALFORMED":
result.Message = (string.Format("Error ({0}: {1}) <br/> {2}", strStatus, strStatusDetail, data.Encode()));
break;
case "INVALID":
result.Message = (string.Format("Error ({0}: {1}) <br/> {2}", strStatus, strStatusDetail, data.Encode()));
break;
default:
result.Message = (string.Format("Error ({0}: {1})", strStatus, strStatusDetail));
break;
}
return result;
}
