BistroDriveWebApp.Models.OrderRepository.AddOrder C# (CSharp) Method

        public void AddOrder(order o, IEnumerable<orderproduct> product)
        {
            context.orders.Add(o);
            context.SaveChanges();
            decimal total = 0;
            //добовляем сгенерированый ID
            foreach (var item in product)
            {
                item.Id_Order = o.Id_Order;
                if (o.id_IngridientsBuyer == 1) // повар
                {
                    total += item.Price;
                }
                else
                {
                    total += item.PriceWithIngridients==null?0:(decimal)item.PriceWithIngridients;
                }
            }
            o.total = total;
            context.orderproducts.AddRange(product);
            context.SaveChanges();
        }