MobX Store example

some_kind_of_store.dart

part 'some_kind_of_store.g.dart';

/// User Resources Store
class SomeKindOfStore = SomeKindOfStoreBase with _$SomeKindOfStore;

/// User Resources Store
abstract class SomeKindOfStoreBase with Store {
  final WebService _webService;
  final StorageService _storageService;

  /// User Resources
  @observable
  ObservableList<DBUser> users = ObservableList.of([]);

  /// Constructor
  SomeKindOfStoreBase(this._webService, this._storageService);

  /// Init Users from WebService
  @action
  Future<void> initUsers() async {
    final offlineResources = await _storageService.getUsers();
    if (offlineResources != null && offlineResources.length > 0) {
      users = ObservableList.of(offlineResources);
    }
    await _webService.getUsers().then((response) {
      if (response.isSuccessful) {
        users = ObservableList.of(_convertAndPersistResponse(response.body.toList()));
        }
    });
  }

  _convertAndPersistResponse(List<User> list) {
    final dbList = List<DBUser>.generate(list.length,
        (i) => DBUser(list[i].id, list[i].avatar, list[i].name));

    _storageService.saveUserResources(dbList); // Hive Storage Service (with Impl and abstract class with interface)

    return dbList;
  }

  /// Get UserResource by id
  DBUserResource getUser(int id) {
    return users.firstWhere((user) => user.id == id, orElse: null);
  }
}