private static double RefundTicket(Ticket selectedTicket, TicketRefundType refundType)
{
double sumOfPayments = TicketPayment.GetAll(selectedTicket.PrimaryKey)
.Sum(payment => payment.Amount);
// Don't refund money for items that were already returned
sumOfPayments = TicketItemReturn.GetAllForTicket(selectedTicket.PrimaryKey)
.Aggregate(sumOfPayments, (current, ticketItemReturn) => current - ticketItemReturn.Amount);
RegisterManager.ActiveRegisterDrawer.RemoveFromCurrentAmount(sumOfPayments);
TicketPayment.DeleteAll(selectedTicket.PrimaryKey);
TicketRefund.Add(selectedTicket.PrimaryKey, SessionManager.ActiveEmployee.Id,
RegisterManager.ActiveRegisterDrawer.Id, sumOfPayments, refundType);
return(sumOfPayments);
}
// Rule: This should not be called on a cashed-out ticket. A ticket needs to
// be refunded before it can be voided.
public static bool VoidTicketCommand(Ticket selectedTicket)
{
IEnumerable <TicketPayment> ticketPayments =
TicketPayment.GetAll(selectedTicket.PrimaryKey);
if (ticketPayments.Any())
{
PosDialogWindow.ShowDialog(
Types.Strings.YouCantVoidATicketThatIsCashedoutTheTicketMustBeRefundedFirst,
Types.Strings.VoidError);
}
else if (ConfirmVoidPrompt())
{
VoidTicket(selectedTicket);
return(true);
}
return(false);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
if (numberEntryControl.FloatValue != null)
{
double amount = numberEntryControl.FloatValue.Value;
if (amount > 0)
{
PaymentSource type = GetPaymentType(sender);
double sum = GetTotalPayments(TicketPayment.GetAll(SelectedTicket.PrimaryKey));
double total = GetTicketTotal();
double due = total - sum;
double actualAmount = amount;
if (amount > due)
{
amount = due;
}
TicketPayment.Add(SelectedTicket.PrimaryKey,
RegisterManager.ActiveRegisterDrawer.Id,
SessionManager.ActiveEmployee.Id, amount, type);
InitializeTicket();
if (IsTicketPayed)
{
double amountPaid = sum + actualAmount;
double change = actualAmount - amount;
labelAmountPayed.Content = amountPaid.ToString("C2");
labelAmountDueLabel.Content = Types.Strings.ChangeDue;
labelAmountDue.Content = change.ToString("C2");
RegisterManager.ActiveRegisterDrawer.AddToCurrentAmount(total);
SelectedTicket.SetCloseTime(DateTime.Now);
SelectedTicket.Update();
RegisterManager.OpenCashDrawer();
}
}
numberEntryControl.FloatValue = null;
}
}