public ActionResult Create()
        {
            var orders = receiptService.ChangeOrderStatus();

            var receipt = receiptService.CreateReceipt(User.Username, orders);

            var receiptOrder = receiptService.CreateReceiptOrder(receipt, orders);

            var userReceipt = receiptService.CreateUserReceipt(receipt);

            //TODO: Fix it!!!
            //var products = productService.GetAllProducts();
            ;

            //receiptService.context.Entry(receiptOrder).Reload();

            //Thread.Sleep(3000);



            var orderViewModels = receiptOrder.Orders
                                  .Select(o => new OrderViewModel
            {
                Id       = o.Id,
                Product  = o.Product.Name,
                Quantity = o.Quantity,
                Price    = o.Product.Price
            })
                                  .ToList();

            var receiptViewModel = new ReceiptDetailsViewModel
            {
                Id       = receipt.Id,
                Orders   = orderViewModels,
                IssuedOn = receipt.IssuedOn.ToString("dd/MM/yyyy"),
                Cashier  = receipt.Cashier.Username
            };

            var total = orderViewModels.Sum(ovm => ovm.Quantity * ovm.Price);

            receiptViewModel.Total = total;

            return(View(receiptViewModel, "Details"));
        }