public async Task <ActionResult> Edit(EditOrderProductDeliveryViewModel model)
        {
            if (!ModelState.IsValid)
            {
                return(View(model));
            }

            OrderProductDelivery orderProductDelivery = await context.OrderProductDeliveries
                                                        .FindAsync(model.OrderProduct.Order.Id,
                                                                   model.OrderProduct.Product.Id,
                                                                   model.DeliveryId);

            if (orderProductDelivery == null)
            {
                return(HttpNotFound());
            }

            orderProductDelivery.DeliveryDate        = model.DeliveryDate;
            orderProductDelivery.DeliveryImagePath   = model.DeliveryImagePath;
            orderProductDelivery.AcceptanceId        = model.AcceptanceId;
            orderProductDelivery.AcceptanceDate      = model.AcceptanceDate;
            orderProductDelivery.AcceptanceImagePath = model.AcceptanceImagePath;

            context.Entry(orderProductDelivery).State = EntityState.Modified;

            try
            {
                await context.SaveChangesAsync();
            }
            catch (Exception ex)
            {
                string errorMessage = ex.Message;

                while (ex != null)
                {
                    errorMessage = ex.Message;
                    ex           = ex.InnerException;
                }

                ModelState.AddModelError("", errorMessage);

                return(View(model));
            }

            return(RedirectToAction(nameof(Details),
                                    new
            {
                orderId = orderProductDelivery.OrderId,
                productId = orderProductDelivery.ProductId,
                deliveryId = orderProductDelivery.DeliveryId
            }));
        }
        public async Task <ActionResult> Edit(int?orderId, int?productId, int?deliveryId)
        {
            if (orderId == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }

            if (productId == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }

            if (deliveryId == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }

            OrderProductDelivery orderProductDelivery = await context.OrderProductDeliveries
                                                        .Include(opd => opd.OrderProduct.Order)
                                                        .Include(opd => opd.OrderProduct.Product)
                                                        .Include(opd => opd.OrderProductDeliveryMaterials.Select(opdm => opdm.Material))
                                                        .FirstOrDefaultAsync(opd => opd.OrderId == orderId &&
                                                                             opd.ProductId == productId &&
                                                                             opd.DeliveryId == deliveryId);

            if (orderProductDelivery == null)
            {
                return(HttpNotFound());
            }

            EditOrderProductDeliveryViewModel model = new EditOrderProductDeliveryViewModel();

            model.OrderProduct        = new OrderProductViewModel(orderProductDelivery.OrderProduct);
            model.DeliveryId          = orderProductDelivery.DeliveryId;
            model.DeliveryDate        = orderProductDelivery.DeliveryDate;
            model.DeliveryImagePath   = orderProductDelivery.DeliveryImagePath;
            model.AcceptanceId        = orderProductDelivery.AcceptanceId;
            model.AcceptanceDate      = orderProductDelivery.AcceptanceDate;
            model.AcceptanceImagePath = orderProductDelivery.AcceptanceImagePath;

            if (orderProductDelivery.OrderProductDeliveryMaterials.Any())
            {
                foreach (var orderProductlDeliveryMaterial in orderProductDelivery.OrderProductDeliveryMaterials)
                {
                    model.OrderProductDeliveryMaterials.Add(new OrderProductDeliveryMaterialViewModel(orderProductlDeliveryMaterial));
                }
            }

            return(View(model));
        }