E-Commerce app using Flutter - Part 4: Scoped Model

product_scoped_model.dart

Future parseProductsFromResponse(int categoryId, int pageIndex) async {
    if (pageIndex == 1) {
      _isLoading = true;
    }

    notifyListeners();

    currentProductCount = 0;

    var dataFromResponse = await _getProductsByCategory(categoryId, pageIndex);

    dataFromResponse.forEach(
      (newProduct) {
        currentProductCount++;

        //parse the product's images
        List<AnyImage> imagesOfProductList = [];

        newProduct["images"].forEach(
          (newImage) {
            imagesOfProductList.add(
              new AnyImage(
                imageURL: newImage["src"],
                id: newImage["id"],
                title: newImage["name"],
                alt: newImage["alt"],
              ),
            );
          },
        );

        //parse the product's categories
        List<Category> categoriesOfProductList = [];

        newProduct["categories"].forEach(
          (newCategory) {
            categoriesOfProductList.add(
              new Category(
                id: newCategory["id"],
                name: newCategory["name"],
              ),
            );
          },
        );

        //parse new product's details
        Product product = new Product(
          productId: newProduct["id"],
          productName: newProduct["name"],
          description: newProduct["description"],
          regularPrice: newProduct["regular_price"],
          salePrice: newProduct["sale_price"],
          stockQuantity: newProduct["stock_quantity"] != null
              ? newProduct["stock_quantity"]
              : 0,
          ifItemAvailable: newProduct["on_sale"] &&
              newProduct["purchasable"] &&
              newProduct["in_stock"],
          discount: ((((int.parse(newProduct["regular_price"]) -
                          int.parse(newProduct["sale_price"])) /
                      (int.parse(newProduct["regular_price"]))) *
                  100))
              .round(),
          images: imagesOfProductList,
          categories: categoriesOfProductList,
        );

        addToProductsList(product);
      },
    );

    if (pageIndex == 1) _isLoading = false;

    if (currentProductCount < 6) {
      _hasModeProducts = false;
    }

    notifyListeners();
  }