MobX Flutter store example

user_store.dart

part 'user_store.g.dart';

/// User Store
class UserStore = UserStoreBase with _$UserStore;

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

  /// User
  @observable
  Observable<DBUser> user = Observable(null);

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

  /// Load User from WebService
  @action
  Future<void> loadUser(int projectId, int id) async {
    final offlineUser = await _storageService.getUser(projectId, id);
    if (offlineUser != null)
      user = Observable(offlineUser);
    }
    await _webService.getUser(projectId, id).then((response) {
      if (response.isSuccessful) {
        user = ObservableList.of(_convertAndPersistResponse(response.body));
      }
    });
  }

  _convertAndPersistResponse(User user) {
    _storageService.saveUser(user.dbVersion()); // extension method
    return dbList;
  }
}