public ActionResult CreateCustomer(CustomerModel model, int[] selectedOrders)
        {
            if (ModelState.IsValid)
            {
                if (selectedOrders != null)
                {
                    foreach (var order in OrderProcessor.LoadOrders().Where(ord => selectedOrders.Contains(ord.Id)))
                    {
                        model.Orders.Add(new OrderModel
                        {
                            OrderID = order.OrderId,
                            Date    = order.Date
                        });
                    }
                }
                int recordsCreated = CustomerProcessor.CreateCustomer
                                     (
                    model.CustomerID,
                    model.Name,
                    model.PhoneNumber,
                    model.Email
                                     );

                foreach (var item in model.Orders)
                {
                    CustomersOrdersProcessor.CreateCustomersOrders
                    (
                        model.CustomerID,
                        item.OrderID
                    );
                }
                return(RedirectToAction("ViewCustomers"));
            }
            return(View());
        }
        public ActionResult ViewCustomersDetails(int id = 0)
        {
            //Получаем покупателя с идентификатором равным id
            var data = CustomerProcessor.LoadCustomers().Where(c => c.CustomerId == id).FirstOrDefault();

            if (data == null)
            {
                return(RedirectToAction("ViewCustomers"));
            }

            //Получаем из списка заказов все заказы данного покупателя
            var dataOrdersCustomers = CustomersOrdersProcessor.LoadCustomersOrders().Where(co => co.CustomerId == data.CustomerId) as List <DALCustomersOrdersModel>;

            //Теперь нужно найти по идентификаторам заказов сами заказы
            //OrderId - уникальные
            var DALorders = new List <DALOrdersModel>();
            var orders    = new List <OrderModel>();

            CustomerModel customer;

            if (dataOrdersCustomers != null)
            {
                foreach (var item in dataOrdersCustomers)
                {
                    DALorders.Add(OrderProcessor.LoadOrders().Where(oid => oid.OrderId == item.OrderId).FirstOrDefault());
                }


                foreach (var dalOrder in DALorders)
                {
                    orders.Add(new OrderModel
                    {
                        OrderID = dalOrder.OrderId,
                        Date    = dalOrder.Date
                    });
                }

                customer = new CustomerModel
                {
                    CustomerID  = data.CustomerId,
                    Name        = data.FullName,
                    PhoneNumber = data.PhoneNumber,
                    Email       = data.EmailAddress,
                    Orders      = orders
                };
            }
            else
            {
                customer = new CustomerModel
                {
                    CustomerID  = data.CustomerId,
                    Name        = data.FullName,
                    PhoneNumber = data.PhoneNumber,
                    Email       = data.EmailAddress,
                };
            }


            return(View(customer));
        }