openfoodfacts 0.1.0

dart package for the Open Food Facts API

example/lib/main.dart

import 'package:openfoodfacts/openfoodfacts.dart';

/// request a product from the OpenFoodFacts database
Future<Product> getProduct() async {

  var barcode = "0048151623426";
  ProductResult result = await OpenFoodAPIClient.getProduct("barcode", User.LANGUAGE_DE);

  if (result.status == 1) {
    return result.product;
  } else {
    throw new Exception("product not found, please insert data for " + barcode);
  }
}

/// add a new product to the OpenFoodFacts database
void addNewProduct() async {

  // define the product to be added.
  // more attributes available ...
  Product myProduct = new Product(
    barcode: "0048151623426",
    productName: "Maryland Choc Chip",
  );

  // a registered user login for https://world.openfoodfacts.org/ is required
  User myUser = new User(userId: "[e-mail]", password: "password");

  // query the OpenFoodFacts API
  Status result = await OpenFoodAPIClient.saveProduct(myUser, myProduct);

  if (result.status != 1) {
    throw new Exception("product could not be added: " + result.error);
  }
}

/// add a new image for an existing product of the OpenFoodFacts database
void addProductImage() async {

    // define the product image
    // set the uri to the local image file
    // choose the "imageField" as location / description of the image content.
    SendImage image = new SendImage(
      lang: "en",
      barcode: "0048151623426",
      imageField: ProductImage.FIELD_INGREDIENTS,
      imageUrl: Uri.parse("assets/ingredients_en.jpg"),
    );

    // a registered user login for https://world.openfoodfacts.org/ is required
    User myUser = new User(userId: "[e-mail]", password: "password");

    // query the OpenFoodFacts API
    Status result = await OpenFoodAPIClient.addProductImage(myUser, image);

    if (result.status != "status ok") {
      throw new Exception("image could not be uploaded: "
          + result.error + " " + result.imageId.toString());
    }
}