public void PostVoidItem(IPosTransaction posTransaction, int lineId)
{
IFiscalOperations fiscalPrinter = FiscalPrinterSingleton.Instance.FiscalPrinter;
if (fiscalPrinter != null && FiscalPrinterSingleton.Instance.SalesLineItemData.ContainsKey(lineId))
{
LineItemTagalong tagalong = FiscalPrinterSingleton.Instance.SalesLineItemData[lineId];
if (!tagalong.Voided)
{
fiscalPrinter.RemoveItem(tagalong.PrinterItemNumber);
tagalong.Voided = true;
}
}
}
private static void UpdateFiscalPrinterTransactionData(FiscalPrinterSingleton fiscalCore, IFiscalOperations fiscalPrinter, LinkedList <SaleLineItem> salesLines, ref Decimal totalDiscountAmount, ref Decimal totalDiscountPercent)
{
foreach (SaleLineItem lineItem in salesLines)
{ // Check for changes from what was last sent to fiscal printer...
if (fiscalCore.SalesLineItemData.ContainsKey(lineItem.LineId))
{ // We have a tag along
LineItemTagalong tagalong = fiscalCore.SalesLineItemData[lineItem.LineId];
if (!tagalong.Voided)
{
// Process line discounts/additional charges...
// Consdier if check lineItem.NoDiscountAllowed should be done first
foreach (DiscountItem discount in lineItem.DiscountLines)
{ // Future enhancment - determine if discounts must be applied in a specific order and
// if % discounts are applied to the running total or to the base price
// and if multiple % discounts are allowed?
if (discount is LineDiscountItem)
{
if (discount.Amount != 0)
{ // Apply amount discount
fiscalPrinter.ApplyDiscount(tagalong.PrinterItemNumber, discount.Amount);
}
if (discount.Percentage != 0)
{ // Apply % discount
fiscalPrinter.ApplyDiscount(tagalong.PrinterItemNumber, (int)(discount.Percentage * 100));
}
}
else if (discount is TotalDiscountItem)
{
Debug.Assert((totalDiscountAmount == 0) || (totalDiscountAmount == discount.Amount), "TotalDiscountAmount has multiple value");
totalDiscountAmount = discount.Amount;
Debug.Assert((totalDiscountPercent == 0) || (totalDiscountPercent == discount.Percentage), "totalDiscountPercent has multiple value");
totalDiscountPercent = discount.Percentage;
}
}
}
}
}
}
