private void OnMergedItemSelected(MergedItem obj)
{
if (obj.RemainingQuantity > 0)
{
decimal quantity = 1;
if (GetTenderedValue() > 0) quantity = GetTenderedValue();
if (quantity > obj.RemainingQuantity) quantity = obj.RemainingQuantity;
_selectedTotal += obj.Price * quantity;
if (_selectedTotal > SelectedTicket.GetRemainingAmount())
_selectedTotal = SelectedTicket.GetRemainingAmount();
PaymentAmount = _selectedTotal.ToString("#,#0.00");
TenderedAmount = "";
_resetAmount = true;
obj.IncQuantity(quantity);
}
ReturningAmountVisibility = Visibility.Collapsed;
}
private void CreateMergedItem(decimal sum, Order item, decimal serviceAmount)
{
var price = item.GetItemPrice();
price += (price * serviceAmount) / sum;
if (!item.TaxIncluded) price += item.TaxAmount;
var mitem = MergedItems.SingleOrDefault(x => x.MenuItemId == item.MenuItemId && x.Price == price);
if (mitem == null)
{
mitem = new MergedItem();
try
{
mitem.Description = item.MenuItemName + item.GetPortionDesc();
mitem.Price = price;
mitem.MenuItemId = item.MenuItemId;
MergedItems.Add(mitem);
}
finally
{
mitem.Dispose();
}
}
mitem.Quantity += item.Quantity;
}
