Open Food Facts - Dart

Dart package for the Open Food Facts API.

Content

The following API services are implemented:

getProduct(barcode, language)

Get the product information for an existing barcode. Prepare ingredients, images and product name depending on the specified language.

getProductRaw(barcode)

Get the product information for an existing barcode without additional preparation.

saveProduct(user, product)

Add a new product or edit an existing one, using the specified Open Food Facts user credentials.

addProductImage(user, image)

Add an product image of the front, the ingredients or the nutrition, using the specified Open Food Facts user credentials.

Development

Getting Started

For help getting started with Flutter, view our online flutter docs. For help on editing package code, view the package docs.

auto generate the json classes

By running (in command prompt) flutter packages pub run build_runner build in our project root, you can generate json serialization code for our models whenever needed.

running the unit tests

Adjust the file test_constants.dart to provide your own login credentials (OpenFoodFacts).

publish the package to pub.dartlang.org

run flutter packages pub publish in the project directory

Authors

Libraries

HttpHelper
ImageList
Ingredient
JsonObject
Product
ProductHelper
ProductImage
ProductResult
SendImage
Status
TagI18N
User
openfoodfacts

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]