public void SaveOrder(Order order)
{
MenuItem menuItem = GetReceiptItem(order.Item);
if (menuItem == null) //unknown food or drink
{
return;
}
Receipt receipt = receipts.FirstOrDefault((r) =>r.Table == order.Table);
if (receipt == null)
{
receipt = new Receipt() { Table = order.Table };
receipts.Add(receipt);
}
Item item = receipt.Items.FirstOrDefault((i) => i.Name == menuItem.Name);
if (item == null)
{
item = new Item()
{
Name = menuItem.Name,
Quantity = 0,
TotalPrice = 0
};
receipt.Items.Add(item);
}
item.Quantity += 1;
item.TotalPrice = item.Quantity * menuItem.Price;
}
public Receipt GetReceipt(Payment payment)
{
//find, delete and send
Receipt receipt = receipts.FirstOrDefault((r) => r.Table == payment.Table);
if (receipt != null)
{
receipts.Remove(receipt);
} else
{
receipt = new Receipt() { Table = payment.Table };
}
receipt.Date = DateTime.Now.ToString();
return receipt;
}
