public bool RemoveSale(Employee employee, Guid saleId) { var sale = GetSaleById(saleId); foreach (var sli in sale.SaleLineItems) { sale.RemoveSaleLineItem(sli.MenuProduct, employee); } sale.saleUpdated(employee, "Remove Sale"); if (Sales.Contains(sale)) { return(this.Sales.Remove(sale)); } else { return(false); } }
public bool IsSaleRegistered(Sale aSale) { return(Sales.Contains(aSale)); }