/// <summary>
/// Processes a transaction with the given data supplied by the JSON component.
/// </summary>
/// <param name="transactionData">A JSON object containing the parameters to be sent in the transaction</param>
/// <returns>A string with the assembled response from Shift4 and the device.</returns>
public async Task <string> processTransaction(Newtonsoft.Json.Linq.JToken transactionData)
{
string resultString = "";
// 1.5 Parse out JSON
string[] transactionDetails = parseTransactionDetails(transactionData);
// 2. Set the Payment/Management Request Settings
setRequestType(transactionDetails[0].ToUpper(), transactionDetails[1].ToUpper());
if (transactionDetails[1].ToUpper() == "MANAGE")
{
// Do this flow for a management request
// 3. Set the management Variables
manage.VarName = transactionDetails[20];
manage.VarValue = transactionDetails[21];
// 4. Execute the request
result = executeManagement(manage);
// 5. Handle Response
resultString = handleResponse(result);
}
else
{
// 3. Set the PayLink Settings
setPayLinkSettings(transactionDetails[2],
"3",
transactionDetails[5],
transactionDetails[6],
transactionDetails[7],
transactionDetails[4],
transactionDetails[3],
transactionDetails[8],
transactionDetails[15],
transactionDetails[16],
transactionDetails[19]
);
// 3.5 Set ExtData <XML/>
setExtData(transactionDetails[12], transactionDetails[13], transactionDetails[9], transactionDetails[10], transactionDetails[11], transactionDetails[14]);
// 4. Execute the Payment
result = executeTransaction(request);
// 5. Handle Response
resultString = handleResponse(result);
}
return(resultString);
}
/// <summary>
/// 5. Handle Response
/// </summary>
/// <param name="result">The Transaction result</param>
/// <returns>A string representation of the response object.</returns>
private string handleResponse(POSLink.ProcessTransResult result)
{
string output = "";
if (result.Code == POSLink.ProcessTransResultCode.OK)
{
POSLink.PaymentResponse res = paxDevice.PaymentResponse;
POSLink.ManageResponse mRes = paxDevice.ManageResponse;
if (res != null && res.ResultCode != null)
{
output += "Approved Amount: " + res.ApprovedAmount + Environment.NewLine;
output += "Auth Code: " + res.AuthCode + Environment.NewLine;
output += "AVS Response: " + res.AvsResponse + Environment.NewLine;
output += "Bogus Account Number: " + res.BogusAccountNum + Environment.NewLine;
output += "Card Type: " + res.CardType + Environment.NewLine;
output += "CVV Response: " + res.CvResponse + Environment.NewLine;
output += "EXT Data: " + res.ExtData + Environment.NewLine;
output += "Extra Balance: " + res.ExtraBalance + Environment.NewLine;
output += "Invoice: " + res.HostCode + Environment.NewLine; // HostCode = Shift4 Invoice Number
output += "Host Response: " + res.HostResponse + Environment.NewLine;
output += "Message: " + res.Message + Environment.NewLine;
output += "Raw Response: " + res.RawResponse + Environment.NewLine;
output += "Reference Number: " + res.RefNum + Environment.NewLine;
output += "Remaining Balance: " + res.RemainingBalance + Environment.NewLine;
output += "Requested Amount: " + res.RequestedAmount + Environment.NewLine;
output += "Result Code: " + res.ResultCode + Environment.NewLine;
output += "Result Text: " + res.ResultTxt + Environment.NewLine;
output += "Sig File Name: " + res.SigFileName + Environment.NewLine;
output += "Time Stamp: " + res.Timestamp + Environment.NewLine;
}
if (mRes != null)
{
// Do something here to handle the management response.
//output += "Approved Amount: 0.00" + Environment.NewLine;
//output += "Auth Code: " + mRes.ResultTxt + Environment.NewLine;
//output += "AVS Response: " + res.AvsResponse + Environment.NewLine;
//output += "Bogus Account Number: " + res.BogusAccountNum + Environment.NewLine;
//output += "Card Type: " + res.CardType + Environment.NewLine;
//output += "CVV Response: " + res.CvResponse + Environment.NewLine;
//output += "EXT Data: " + res.ExtData + Environment.NewLine;
//output += "Extra Balance: " + res.ExtraBalance + Environment.NewLine;
//output += "Invoice: " + res.HostCode + Environment.NewLine; // HostCode = Shift4 Invoice Number
if (mRes.ResultTxt == "OK")
{
output += "Host Response: A" + Environment.NewLine;
}
//output += "Message: " + res.Message + Environment.NewLine;
//output += "Raw Response: " + res.RawResponse + Environment.NewLine;
//output += "Reference Number: " + res.RefNum + Environment.NewLine;
//output += "Remaining Balance: " + res.RemainingBalance + Environment.NewLine;
//output += "Requested Amount: " + res.RequestedAmount + Environment.NewLine;
output += "Result Code: " + mRes.ResultCode + Environment.NewLine;
output += "Result Text: " + mRes.ResultTxt + Environment.NewLine;
//output += "Sig File Name: " + res.SigFileName + Environment.NewLine;
//output += "Time Stamp: " + res.Timestamp + Environment.NewLine;
}
}
else if (result.Code == POSLink.ProcessTransResultCode.ERROR)
{
Console.WriteLine("Ruh Roh! Something went wrong, the PAX device returned an error.");
output += "Ruh Roh! Something went wrong, the PAX device returned an error.";
}
else if (result.Code == POSLink.ProcessTransResultCode.TimeOut)
{
Console.WriteLine("Timeout: I dunno Scoob, it looks like they ran out of ScoobySnacks before we could get here.");
output += "Timeout: I dunno Scoob, it looks like they ran out of ScoobySnacks before we could get here.";
}
return(output);
}
