internal Line(SalesOrderId salesOrder, ProductId product, Quantity quantity, UnitPrice price, SalesTax tax)
{
Id = new LineId(Guid.NewGuid());
SalesOrder = salesOrder;
Quantity = quantity;
Product = product;
Price = price;
Tax = tax;
}
public Line Get(LineId lineId)
{
var line = _lines.FirstOrDefault(p => p.Id.Id == lineId.Id);
if (line == null)
{
throw new LineDoesNotExist();
}
return(line);
}
public void Remove(LineId lineId)
{
_lines.RemoveAll(p => p.Id.Id == lineId.Id);
}