Пример #1
0
        public SaleDiscount SaleDiscount(Burger burger)
        {
            var saleDiscount = new SaleDiscount()
            {
                SaleDescription = DESCRIPTION
            };

            if (burger == null)
            {
                throw new ArgumentNullException("burguer");
            }

            var hasBurgerQtyMultipleOfThree = burger.BurgerIngredients
                                              .Any(has => has.Ingredient.IngredientType == IngredientType.Hamburger && has.Qty % 3 == 0);

            if (hasBurgerQtyMultipleOfThree)
            {
                var hamburgerIngredient = burger.BurgerIngredients.FirstOrDefault(has => has.Ingredient.IngredientType == IngredientType.Hamburger);
                var hamburgerQty        = hamburgerIngredient?.Qty;
                var saleQty             = hamburgerQty / DISCOUNT;
                var qtyDiscount         = hamburgerQty - saleQty;
                saleDiscount.Discount = (qtyDiscount.HasValue ? qtyDiscount.Value : decimal.Zero) * hamburgerIngredient.Ingredient.Price;
            }

            return(saleDiscount);
        }
Пример #2
0
        public SaleDiscount SaleDiscount(Burger burger)
        {
            var saleDiscount = new SaleDiscount()
            {
                SaleDescription = DESCRIPTION
            };

            if (burger == null)
            {
                throw new ArgumentNullException("burguer");
            }

            var hasLettuce  = burger.BurgerIngredients.Any(has => has.Ingredient.IngredientType == IngredientType.Lettuce);
            var hasNotBacon = !burger.BurgerIngredients.Any(has => has.Ingredient.IngredientType == IngredientType.Bacon);

            if (hasLettuce && hasNotBacon)
            {
                saleDiscount.Discount = burger.Price() * DISCOUNT;
            }

            return(saleDiscount);
        }