public void addItem()

in online_bontique_demo/cartService/src/main/java/org/apache/dubbo/shop/service/cart/CartServiceImpl.java [38:62]

• 15 lines of code
• 4 McCabe index (conditional complexity)

    public void addItem(String userId, CartItem newItem) {
        // Retrieve the list of cart items for the user, create a new list if it doesn't exist
        List<CartItem> cartItems = cartStore.computeIfAbsent(userId, k -> new ArrayList<>());

        // Flag to check if the item was updated
        boolean itemUpdated = false;

        // Iterate through the list to check if the item already exists
        for (CartItem item : cartItems) {
            if (item.getProductId().equals(newItem.getProductId())) {
                // If the item exists, update the quantity
                item.setQuantity(item.getQuantity() + newItem.getQuantity());
                itemUpdated = true;
                break;
            }
        }

        // If the item was not updated, add it as a new item
        if (!itemUpdated) {
            cartItems.add(newItem);
        }

        // Update the cartStore with the new list
        cartStore.put(userId, cartItems);
    }