partiList method

Implementation

partiList({String? roomId, int? page}) async {
  Completer completer = Completer();
  try {
    if (_state == CallState.nullState || _state == CallState.sessionState) {
      completer.completeError(
          {'error': 'The state that cannot fetch parti list, state $_state'});
      return;
    }

    if (roomId != null && roomId.length > 64) {
      completer.completeError({'error': 'Invalid room id'});
      return;
    }

    if (_roomType != RoomType.audioroom.value &&
        _roomType != RoomType.videoroom.value &&
        _roomType != RoomType.webinar.value) {
      completer.completeError({
        'error': 'Invalid request to fetch parti list, room type: $_roomType'
      });
      return;
    }
    var partiListResult = await _ws.requestPartiList(roomId ?? _roomId, page);
    var userResult = IResponsePartiList(partiListResult).toMap();
    completer.complete(userResult);
    return completer.future;
  } catch (error) {
    completer.completeError(error);
  }
}