brick_offline_first_abstract 0.0.7

Annotations and models required by the Offline First domain.

example/example.dart

import 'package:brick_rest/rest.dart';
import 'dart:convert';

import '../lib/annotations.dart';
import '../lib/abstract.dart';

/// A child association
@ConnectOfflineFirstWithRest(
  restConfig: RestSerializable(
    endpoint: "=> /hats;",
  ),
)
class Hat extends OfflineFirstWithRestModel {
  final int id;

  final String color;

  Hat({
    this.id,
    this.color,
  });
}

/// A parent association
@ConnectOfflineFirstWithRest(
  restConfig: RestSerializable(
    endpoint: "=> /people;",
  ),
)
class Person extends OfflineFirstWithRestModel {
  /// given an API response of
  /// { "hat_id" : 1}
  /// this will automatically fetch or hydrate the association based on the unique lookup of
  /// Hat.id
  @OfflineFirst(where: {'id': "data['hat_id']"})

  /// for upsert and delete, the rest key must be defined
  @Rest(name: 'hat_id')
  final Hat hat;

  final Horse horse;

  Person({
    this.hat,
    this.horse,
  });
}

/// When we don't want to make a separate association but have complex data that can be stored in a single column
/// Serdes classes cannot be queried like model members.
class Horse extends OfflineFirstSerdes<Map<String, dynamic>, String> {
  final String breed;

  Horse({
    this.breed,
  });

  factory Horse.fromRest(Map<String, dynamic> data) {
    return Horse(breed: data['breed']);
  }

  factory Horse.fromSqlite(String data) => Horse.fromRest(jsonDecode(data));

  toRest() {
    return {'breed': breed};
  }

  toSqlite() => jsonEncode(toRest());
}