public async Task UpdateQuantity()

in src/Modules/SimplCommerce.Module.ShoppingCart/Areas/ShoppingCart/Controllers/CartController.cs [95:128]

28 lines of code
8 McCabe index (conditional complexity)


        public async Task<IActionResult> UpdateQuantity([FromBody] CartQuantityUpdate model)
        {
            var currentUser = await _workContext.GetCurrentUser();
            var cart = await _cartService.GetActiveCart(currentUser.Id);

            if (cart == null)
            {
                return NotFound();
            }

            if (cart.LockedOnCheckout)
            {
                return CreateCartLockedResult();
            }

            var cartItem = _cartItemRepository.Query().Include(x => x.Product).FirstOrDefault(x => x.Id == model.CartItemId && x.Cart.CreatedById == currentUser.Id);
            if (cartItem == null)
            {
                return NotFound();
            }

            if(model.Quantity > cartItem.Quantity) // always allow user to descrease the quality
            {
                if (cartItem.Product.StockTrackingIsEnabled && cartItem.Product.StockQuantity < model.Quantity)
                {
                    return Ok(new { Error = true, Message = _localizer["There are only {0} items available for {1}.", cartItem.Product.StockQuantity, cartItem.Product.Name].Value });
                }
            }

            cartItem.Quantity = model.Quantity;
            _cartItemRepository.SaveChanges();

            return await List();
        }