public override void AdjustStock(StockQuantity quantity)
{
if (quantity is VolumeStockQuantity)
{
VolumeStockQuantity quan = quantity as VolumeStockQuantity;
_StoredStock += quan.Quantity;
return;
}
}
public override bool Purchase(StockQuantity quantity, out Item item)
{
VolumeStockQuantity quan = quantity as VolumeStockQuantity;
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 = _DefaultPurchase;
}
else if (_ShelfStock - _DefaultPurchase <= 0)
{
targetQuantity = 0;
}
else if (_ShelfStock - quan.Quantity <= 0)
{
targetQuantity = 0;
}
}
// Calculations
_ShelfStock -= targetQuantity;
if (targetQuantity == 0)
{
item = null;
return(false);
}
else
{
item = new Item((1), (Line.Description + " " + targetQuantity + " kg"), (targetQuantity));
}
return(true);
/// old code - using for reference in the future - please ignore
/* bool QuantityIsVolume = false;
* VolumeStockQuantity quan = quantity as VolumeStockQuantity;
* if (quantity is VolumeStockQuantity)
* {
* QuantityIsVolume = true;
* }
* else if (quantity is DiscreteStockQuantity || quantity == null)
* {
* QuantityIsVolume = false;
* }
*
* if (QuantityIsVolume == true)
* {
* if (quan.Quantity > _ShelfStock)
* {
* double maxshelf = _ShelfStock;
* _ShelfStock -= maxshelf;
* }
* else if (_ShelfStock >= quan.Quantity)
* {
* _ShelfStock -= quan.Quantity;
* }
* }
* else if (QuantityIsVolume == false)
* {
* if (_ShelfStock > _DefaultPurchase)
* {
* _ShelfStock -= _DefaultPurchase;
* }
* }
*
* if (quantity == null)
* {
*
* item = null;
* return false;
* }
* else
* item = new Item((1), (Line.Description + " " + quan.Quantity + " kg"), (quan.Quantity));
* return true; */
}