querySystemMessage method

Future<NIMResult<void>> querySystemMessage({ int offset = 0, })

Implementation

Future<NIMResult<void>> querySystemMessage({int offset = 0}) {
  return ContactRepo.getNotificationList(queryMessageLimit,
          offset: offset, systemMessage: lastMessage)
      .then((value) {
    if (value.isSuccess) {
      systemMessages.addAll(value.data ?? []);
      if (value.data != null && value.data!.length >= queryMessageLimit) {
        haveMore = true;
      } else {
        haveMore = false;
      }
      if (value.data != null && value.data!.isNotEmpty) {
        lastMessage = value.data!.last;
      }
      notifyListeners();
    }
    return value;
  });
}