public decimal ValidateVoidVoucher(string ticketNumber, int userNo, ref int?nResult)
{
decimal dAmount = 0;
try
{
// is tis printed ticket
if (VoucherHelper.IsTISPrintedTicketPrefix(ticketNumber))
{
// if the tis printed ticket available in local db
bool isTISTicketAvailable = VoucherHelper.IsTISPrintedTicket(ticketNumber);
if (!isTISTicketAvailable)
{
// wait worst case 10 secs to get the response from TIS
int count = 10;
string message = "Waiting for receiving data from TIS...";
WPFExtensions.ShowAsyncDialog(null, message, null, 1, count,
(o) =>
{
IAsyncProgress2 o2 = o as IAsyncProgress2;
// failure case - hit the tis communication interface and get the ticket
try
{
o2.UpdateStatusProgress(5, message);
VoucherHelper.SendTISRedeemTicketQuery(ticketNumber, userNo);
o2.UpdateStatusProgress(10, message);
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
});
}
}
// Success/failure case - ok proceed with voiding
foreach (var obj in this.ValidateVoidVoucher(ticketNumber, ref nResult))
{
dAmount = Convert.ToDecimal(obj.iAmount) / 100;
}
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
}
return(dAmount);
}