setDelta method

Implementation

@override
Future<bool> setDelta({
  required String directive,
  required String mid,
  required Map<String, dynamic>? delta,
}) async {
  await initialize();
  Map<String, dynamic> input = makeData(directive: directive, mid: mid, delta: delta);
  try {
    final Map<String, dynamic> target = await HycopFactory.dataBase!.getData('hycop_delta', mid);
    if (target.isEmpty) {
      logger.finest('createDelta = ${input.toString()}');
      HycopFactory.dataBase!.createData('hycop_delta', mid, input);
      return true;
    }
    logger.finest('setDelta = ${input.toString()}');

    // delta 내용이 달라진게 없으면 쓰지 않는다.
    String? orgDelta = target['delta'];
    String? newDelta = input['delta'];
    if (orgDelta != null && newDelta != null && orgDelta == newDelta) {
      logger.info('!!!! same delta !!!!, setDelta skipped');
      return false;
    }

    HycopFactory.dataBase!.setData('hycop_delta', mid, input);
    return true;
  } catch (e) {
    logger.finest('database error $e');
    return false;
  }
}