public PartCost PreviewCheckOut(PartDescription partDescription, int quantity, IPriceStrategy priceStrategy)
{
int totalPrice = warehousesBatches.Filter(partDescription)
.AccumulatePrice(quantity, priceStrategy);
return(new PartCost(totalPrice));
}
private bool Exists(PartDescription partDescription)
{
if (!batches.ContainsKey(partDescription.Warehouse))
{
return(false);
}
return(batches[partDescription.Warehouse].Exists(partDescription.PartType));
}
public WarehouseBatches Filter(PartDescription partDescription)
{
if (!Exists(partDescription))
{
return(new WarehouseBatches());
}
return(batches[partDescription.Warehouse].FindBatchesBy(partDescription.PartType));
}
public int GetQuantity(PartDescription partDescription)
{
return(warehousesBatches.Filter(partDescription)
.GetRemainingParts());
}
public void CheckOut(PartDescription partDescription, int quantity, IPriceStrategy priceStrategy)
{
warehousesBatches.Filter(partDescription)
.ReduceStock(quantity, priceStrategy);
}