public override void AdjustStock(StockQuantity quantity)
{
if (quantity is PrePackedStockQuantity)
{
PrePackedStockQuantity quan = quantity as PrePackedStockQuantity;
_StoredStock += quan.Quantity;
}
}
public override bool Purchase(StockQuantity quantity, out Item item)
{
PrePackedStockQuantity quan = quantity as PrePackedStockQuantity;
double targetQuantity = 1;
if (quantity != null)
{
if (quan.Quantity > _ShelfStock)
{
targetQuantity = _ShelfStock;
}
else if (_ShelfStock >= quan.Quantity)
{
targetQuantity = quan.Quantity;
}
}
else if (quantity == null)
{
if (_ShelfStock > 0)
{
targetQuantity = 1;
}
if (_ShelfStock <= 0)
{
targetQuantity = 0;
}
}
// Calculations
_ShelfStock -= targetQuantity;
// ^^^^^
if (targetQuantity == 0)
{
item = null;
return(false);
}
else
{
item = new Item((Convert.ToInt32(targetQuantity)), (Line.Description), (targetQuantity * calculateweight));
}
return(true);
}
