public IActionResult CourierDelivery(OrderCourier order)
        {
            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
            var text   = "Your type of order - courier delivery. For more information follow the link: https://mayakelectronics20191126070610.azurewebsites.net/Account/YourAccount";
            var items  = _cart.GetCartItems();

            ViewBag.Total = _cart.GetCartTotal();
            var user = _db.Users.FirstOrDefault(u => u.Id == User.FindFirstValue(ClaimTypes.NameIdentifier));

            ViewBag.Email = user.Email;
            ViewBag.Items = items;
            if (items.Count == 0)
            {
                ModelState.AddModelError("", "Cart is empty");
            }

            new EfProductRepository().UpdateAreBoughts(items.Select(i => i.Product).ToList());

            if (ModelState.IsValid)
            {
                EmailSender.SendEmail(order.Email, text);
                _cart.ClearCart();
                _orderRepository.CreateOrder(order, userId);
                return(RedirectToAction("Complete"));
            }

            return(View(order));
        }
        public void CreateOrder(OrderCourier order, string userId)
        {
            order.UserId      = userId;
            order.OrderPlaced = DateTime.Now;
            _db.OrdersCourier.Add(order);
            _db.SaveChanges();

            order.OrderTotal = _cart.GetCartTotal();

            var cartItems = _cart.CartItems;

            foreach (var item in cartItems)
            {
                var orderDetail = new OrderDetailCourier()
                {
                    Amount         = item.Amount,
                    ProductId      = item.Product.Id,
                    OrderCourierId = order.OrderCourierId,
                    Price          = item.Product.Price
                };

                _db.OrderDetailsCourier.Add(orderDetail);
            }
            _db.SaveChanges();
        }