Flutter user model

user.dart

import 'package:bflutter_poc/model/user_base.dart';
import 'package:json_annotation/json_annotation.dart';

part 'user.g.dart';

@JsonSerializable()
class User extends UserBase {
  User(String login, String avatarUrl, this.name, this.location)
      : super(login, avatarUrl);

  String name;
  String location;

  /// A necessary factory constructor for creating a new User instance
  /// from a map. Pass the map to the generated `_$UserFromJson` constructor.
  /// The constructor is named after the source class, in this case User.
  factory User.fromJson(Map<String, dynamic> json) => _$UserFromJson(json);

  /// `toJson` is the convention for a class to declare support for serialization
  /// to JSON. The implementation simply calls the private, generated
  /// helper method `_$UserToJson`.
  Map<String, dynamic> toJson() => _$UserToJson(this);
}