///<summary>
///Creates a new invoice entry (InvoiceEntry object ) and add it to the invoice.
///It first calculates the new entry’s line number, then use the new line number together with the passed (item) object
///and the requested quantity (ReqQuantity) to call the InvoiceEntry Constructor to create the new InvoiceEntry object.
///Finally, adds the object to the invoice. This method must use the passed item object to check the
///requested quantity against the item’s available quantity before creating and adding the new entry.
///It also must update the item’s available quantity based on the requested quantity if quantity verification is passed.
///</summary>
public bool addInvEntry(Item item, int ReqQuantity)
{
invoiceList.Add(item);
// List<List>.IndexOf() should return 0 based index of the item we are searching for
// for logical reasons I added 1 so our lineitems don't start at 0:
// ref: https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.list-1.indexof?view=netframework-4.8
updateTotal(item.UnitPrice);
InvoiceEntry LineItem = new InvoiceEntry(item, invoiceList.IndexOf(item) + 1, ReqQuantity);
//check to see if we have enough in inventory,
float itemInInventory = item.updateAvlblQty(ReqQuantity);
if (itemInInventory != -1)
{
//we have enough in inventory; update the avallable quantity:
item.avallableQty = item.avallableQty - ReqQuantity;
//updateTotal(ReqQuantity);
return(true);
}
return(false);
}
int total; // sum of the prices of all items in the invoice (must be updated whenever an item added/removed from the invoice)
public void newInvoceEntry(InvoiceEntry invoice)
{
}