getAllMessageCount method

Implementation

Future<int> getAllMessageCount() async {
  Map result = await ChatChannel.invokeMethod(ChatMethodKeys.getMessageCount);
  try {
    ChatError.hasErrorFromResult(result);
    if (result.containsKey(ChatMethodKeys.getMessageCount)) {
      return result[ChatMethodKeys.getMessageCount];
    } else {
      return 0;
    }
  } on ChatError catch (e) {
    throw e;
  }
}