protected void OnProcessCompleted(TerminalProcessingOutcome po)
{
try
{
if (po == null) //exception occurred
{
return;
}
switch (po.NextProcessState)
{
case EMVTerminalPreProcessingStateEnum.EndProcess:
cardQProcessor.StopServiceQProcess();
ProcessCompleted?.Invoke(this, new TerminalProcessingOutcomeEventArgs()
{
TerminalProcessingOutcome = po
});
break;
default:
throw new DesFireException("Unimplemeted TerminalPreProcessingStateEnum in OnProcessCompleted");
}
}
catch (Exception ex)
{
Logger.Log("Error in OnProcessCompleted:" + ex.Message);
return;
}
}
private void Ta_ProcessCompleted(object sender, EventArgs e)
{
try
{
TerminalProcessingOutcome tpo = (e as TerminalProcessingOutcomeEventArgs).TerminalProcessingOutcome;
if (tpo == null)//error occurred, error displayed via Ta_ExceptionOccured
{
return;
}
if (tpo.UIRequestOnOutcomePresent)
{
SetStatusLabel(string.Format("{0}\n{1}", tpo.UserInterfaceRequest.MessageIdentifier, tpo.UserInterfaceRequest.Status));
}
}
catch (Exception ex)
{
ta.CancelTransactionRequest();
SetStatusLabel(ex.Message);
}
finally
{
SetProcessButtonEnabled(true);
SetInstallButtonEnabled(true);
}
}
public void CancelTransactionRequest()
{
cardQProcessor.StopServiceQProcess();
//StopServiceQProcess();
if (cancellationTokenForPreProcessing != null)
{
cancellationTokenForPreProcessing.Cancel();
}
TerminalProcessingOutcome processingOutcomeOUT = new TerminalProcessingOutcome()
{
NextProcessState = EMVTerminalPreProcessingStateEnum.EndProcess,
UIRequestOnOutcomePresent = true
};
UserInterfaceRequest uird = new UserInterfaceRequest()
{
MessageIdentifier = MessageIdentifiersEnum.ClearDisplay,
Status = StatusEnum.ReadyToRead
};
processingOutcomeOUT.UserInterfaceRequest = uird;
OnProcessCompleted(processingOutcomeOUT);
}
private async void Ta_ProcessCompleted(object sender, EventArgs e)
{
try
{
int? amount = Validate.AmountToCents(totalAmount.Total);
TransactionType transactionType;
string fromAccountNumber = "";
string cardSerialNumberFrom = "";
string toAccountNumber = "";
string cardSerialNumberTo = "";
SetStatusLabel("Remove card");
TerminalProcessingOutcome tpo = (e as TerminalProcessingOutcomeEventArgs).TerminalProcessingOutcome;
if (tpo == null)//error occurred, error displayed via Ta_ExceptionOccured
{
return;
}
if (tpo is DesfireTerminalProcessingOutcome)
{
string uid = Formatting.ByteArrayToHexString(((DesfireTerminalProcessingOutcome)tpo).CardDetails.UID);
switch (flowType)
{
case FlowType.SendMoneyFromCardToApp:
toAccountNumber = SessionSingleton.Account.AccountNumberId;
cardSerialNumberFrom = uid;
transactionType = TransactionType.SendMoneyFromCardToApp;
break;
case FlowType.SendMoneyFromAppToCard:
fromAccountNumber = SessionSingleton.Account.AccountNumberId;
cardSerialNumberTo = uid;
transactionType = TransactionType.SendMoneyFromAppToCard;
break;
default:
throw new Exception("Unknown flow type:" + flowType);
}
await CallTransactWebService(fromAccountNumber, toAccountNumber, cardSerialNumberFrom, cardSerialNumberTo, amount, transactionType);
Device.BeginInvokeOnMainThread(() =>
{
lblTransactSummary.Text = "Transaction Completed Succesfully";
UpdateView(ViewState.Step3Summary);
});
}
else
{
SetStatusLabel(string.Format("{0}\n{1}", tpo.UserInterfaceRequest.MessageIdentifier, tpo.UserInterfaceRequest.Status));
}
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
lblTransactSummary.Text = ex.Message;
UpdateView(ViewState.Step3Summary);
});
}
}
private void ProcessCompletion(TerminalProcessingOutcomeEventArgs e, InterFaceType interFaceType)
{
TLV data = null;
TLV discretionaryData = null;
QRDEList qrData = null;
try
{
long?amount = Convert.ToInt64(totalAmount.Total);
TerminalProcessingOutcome tpo = e.TerminalProcessingOutcome;
if (tpo == null)//error occurred, error displayed via Ta_ExceptionOccured
{
return;
}
if (tpo is EMVTerminalProcessingOutcome)
{
data = ((EMVTerminalProcessingOutcome)tpo).DataRecord;
discretionaryData = ((EMVTerminalProcessingOutcome)tpo).DiscretionaryData;
qrData = ((EMVTerminalProcessingOutcome)tpo).QRData;
if (data != null) //error
{
SetStatusLabel(new UIMessageEventArgs(MessageIdentifiersEnum.RemoveCard, StatusEnum.EndProcessing), interFaceType);
//may be a contactless magstripe transaction
if (data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag) == null)
{
txResult = TxResult.ContactlessMagOnline;
}
else
{
if (((data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag).Value[0] & 0xC0) >> 6) == (byte)ACTypeEnum.ARQC)
{
if (interFaceType == InterFaceType.Contact)
{
throw new EMVProtocolException("Invalid state for contact, gen ac 2 returned arqc?");
}
CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN cvmr = new CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN(data.Children.Get(EMVTagsEnum.CARDHOLDER_VERIFICATION_METHOD_CVM_RESULTS_9F34_KRN.Tag));
if (cvmr.Value.GetCVMPerformed() == CVMCode.EncipheredPINVerifiedOnline)
{
ContactlessApp_PinRequest(data.Children);
}
txResult = TxResult.ContactlessOnline;
}
if (((data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag).Value[0] & 0xC0) >> 6) == (byte)ACTypeEnum.TC)
{
txResult = TxResult.Approved;
}
if (((data.Children.Get(EMVTagsEnum.CRYPTOGRAM_INFORMATION_DATA_9F27_KRN.Tag).Value[0] & 0xC0) >> 6) == (byte)ACTypeEnum.AAC)
{
txResult = TxResult.Declined;
}
}
}
else if (qrData != null)
{
if (interFaceType == InterFaceType.QRCodeScanned)
{
txResult = TxResult.QRCodeScanned;
}
else if (interFaceType == InterFaceType.QRCodeToPoll)
{
txResult = TxResult.QRCodeToPoll;
}
}
else
{
txResult = TxResult.Declined;
}
SetTxFinalResultLabel(txResult.ToString());
}
else
{
SetStatusLabel(new UIMessageEventArgs(tpo.UserInterfaceRequest.MessageIdentifier, tpo.UserInterfaceRequest.Status), interFaceType);
}
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
UIMessageEventArgs ui = new UIMessageEventArgs(MessageIdentifiersEnum.TryAgain, StatusEnum.ProcessingError)
{
AdditionalMessage = ex.Message
};
SetStatusLabel(ui, interFaceType);
});
}
finally
{
StopContactPaymentApp();
StopContactlessPaymentApp();
StopQRCodePollPaymentApp();
#region Merge EMV Lists
if (discretionaryData != null)
{
if (data != null)
{
data.Children.AddListToList(discretionaryData.Children);
}
}
#endregion
TxCompleted?.Invoke(this, new TxCompletedEventArgs(txResult, interFaceType, Optional <TLV> .Create(data), Optional <QRDEList> .Create(qrData)));
}
}
private async void Ta_ProcessCompleted(object sender, EventArgs e)
{
try
{
int?amount = Validate.AmountToCents(totalAmount.Total);
TransactionType transactionType;
string fromAccountNumber = "";
string cardSerialNumberFrom = "";
string toAccountNumber = "";
string cardSerialNumberTo = "";
TerminalProcessingOutcome tpo = (e as TerminalProcessingOutcomeEventArgs).TerminalProcessingOutcome;
if (tpo == null)//error occurred, error displayed via Ta_ExceptionOccured
{
return;
}
if (tpo is EMVTerminalProcessingOutcome)
{
TLV dataRecord = ((EMVTerminalProcessingOutcome)tpo).DataRecord;
TLV discretionaryData = ((EMVTerminalProcessingOutcome)tpo).DiscretionaryData;
if (dataRecord != null) //error or decline
{
SetStatusLabel("Remove card");
if (discretionaryData != null)
{
dataRecord.Children.AddListToList(discretionaryData.Children);
}
string emvData = TLVasJSON.ToJSON(dataRecord);
byte[] panBCD;
TLV _5A = dataRecord.Children.Get(EMVTagsEnum.APPLICATION_PRIMARY_ACCOUNT_NUMBER_PAN_5A_KRN.Tag);
if (_5A != null)
{
panBCD = _5A.Value;
}
else
{
TLV _57 = dataRecord.Children.Get(EMVTagsEnum.TRACK_2_EQUIVALENT_DATA_57_KRN.Tag);
if (_57 == null)
{
throw new Exception("No PAN found");
}
String panString = Formatting.ByteArrayToHexString(_57.Value);
panBCD = Formatting.StringToBcd(panString.Split('D')[0], false);
}
switch (flowType)
{
case FlowType.SendMoneyFromCardToApp:
toAccountNumber = SessionSingleton.Account.AccountNumberId;
cardSerialNumberFrom = Formatting.BcdToString(panBCD);
transactionType = TransactionType.SendMoneyFromCardToApp;
break;
default:
throw new Exception("Unknown flow type:" + flowType);
}
try
{
await CallPosTransactWebService(fromAccountNumber, toAccountNumber, cardSerialNumberFrom, cardSerialNumberTo, amount, transactionType, emvData);
Device.BeginInvokeOnMainThread(() =>
{
lblTransactSummary.Text = "Transaction Completed Succesfully";
UpdateView(ViewState.Step3Summary);
});
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
lblTransactSummary.Text = "Declined, could not go online.";
UpdateView(ViewState.Step3Summary);
});
}
}
else
{
SetStatusLabel(string.Format("{0}\n{1}", tpo.UserInterfaceRequest.MessageIdentifier, tpo.UserInterfaceRequest.Status));
}
}
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
lblTransactSummary.Text = ex.Message;
UpdateView(ViewState.Step3Summary);
});
}
}
