private async Task CallTopUpWebService(string toAccountNumber, long?amount, string cvv, TLV emvData)
{
Device.BeginInvokeOnMainThread(() =>
{
gridProgress.IsVisible = true;
});
try
{
Proxies.DCEMVDemoServerClient client = SessionSingleton.GenDCEMVServerApiClient();
using (SessionSingleton.HttpClient)
{
CCTopUpTransaction tx = new CCTopUpTransaction()
{
Amount = amount.Value,
CVV = cvv,
EMV_Data = TLVasJSON.ToJSON(emvData),
};
await client.TransactionTopupPostAsync(tx.ToJsonString());
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
Device.BeginInvokeOnMainThread(() =>
{
gridProgress.IsVisible = false;
});
}
}
private async void EmvTxCtl_TxCompleted(object sender, EventArgs e)
{
try
{
if ((e as TxCompletedEventArgs).EMV_Data.IsPresent())
{
TLV data = (e as TxCompletedEventArgs).EMV_Data.Get();
string emvData = TLVasJSON.ToJSON(data);
string uid = Formatting.BcdToString(data.Children.Get(EMVTagsEnum.APPLICATION_PRIMARY_ACCOUNT_NUMBER_PAN_5A_KRN.Tag).Value);
await RegisterCard(SessionSingleton.Account.AccountNumberId, uid);
Device.BeginInvokeOnMainThread(() =>
{
SessionSingleton.Account.Cards.Add(new Card()
{
CardSerialNumberId = uid,
});
lblStatusCard.Text = string.Format("Card {0} linked", uid);
UpdateView(CardAdminViewState.CardAddStatus);
});
}
else
{
lblStatusCard.Text = "Card not linked";
UpdateView(CardAdminViewState.CardAddStatus);
}
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
UpdateView(CardAdminViewState.CardAddStatus);
lblStatusCard.Text = ex.Message;
});
}
}
private async Task CallPosTransactWebService(string fromAccountNumber, string toAccountNumber, string cardSerialNumberFrom, string cardSerialNumberTo, long?amount, TransactionType transactionType, TLV emvData)
{
Device.BeginInvokeOnMainThread(() =>
{
gridProgress.IsVisible = true;
});
try
{
Proxies.DCEMVDemoServerClient client = SessionSingleton.GenDCEMVServerApiClient();
using (SessionSingleton.HttpClient)
{
POSTransaction posTx = new POSTransaction();
posTx.InvItems = ConvertLineItems(basketItems.ToList());
CardTransferTransaction tx = new CardTransferTransaction()
{
Amount = amount.Value,
AccountFrom = fromAccountNumber,
AccountTo = toAccountNumber,
CardSerialFrom = cardSerialNumberFrom,
CardSerialTo = cardSerialNumberTo,
CardFromEMVData = TLVasJSON.ToJSON(emvData),
};
await client.StoreSalebycardPostAsync(tx.ToJsonString(), posTx.ToJsonString());
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
Device.BeginInvokeOnMainThread(() =>
{
gridProgress.IsVisible = false;
});
}
}
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);
});
}
}
