getUserTasks method

Future<List<UserTaskSnapshot>> getUserTasks([ SmartphoneStudy? study ])

Get the list of UserTaskSnapshot for study. If study is null, all user tasks are returned.

Implementation

Future<List<UserTaskSnapshot>> getUserTasks([SmartphoneStudy? study]) async {
  List<UserTaskSnapshot> result = [];
  try {
    final List<Map<String, Object?>> list =
        await _database?.query(
          TASK_QUEUE_TABLE_NAME,
          columns: [TASK_COLUMN],
          where: study != null
              ? '$STUDY_DEPLOYMENT_ID_COLUMN = ? AND $DEVICE_ROLE_NAME_COLUMN = ?'
              : null,
          whereArgs: study != null
              ? [study.studyDeploymentId, study.deviceRoleName]
              : null,
        ) ??
        [];

    if (list.isNotEmpty) {
      for (var element in list) {
        final jsonString = element[TASK_COLUMN] as String;
        result.add(
          UserTaskSnapshot.fromJson(
            json.decode(jsonString) as Map<String, dynamic>,
          ),
        );
      }
    }
  } catch (exception) {
    warning('$runtimeType - Failed to load task queue - $exception');
  }

  return result;
}