private void cmdCancelTx_Clicked(object sender, EventArgs e)
{
Stop();
txResult = TxResult.Cancelled;
SetTxFinalResultLabel("");
SetStatusLabel(new UIMessageEventArgs(MessageIdentifiersEnum.ClearDisplay, StatusEnum.EndProcessing), InterFaceType.Cancelled);
TxCompleted?.Invoke(this, new TxCompletedEventArgs(txResult, InterFaceType.Cancelled, Optional <TLV> .CreateEmpty(), Optional <QRDEList> .CreateEmpty()));
}
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)));
}
}