fetchGroupInfoFromServer method Null safety

Future<EMGroup> fetchGroupInfoFromServer(
  1. String groupId,
  2. {bool fetchMembers = false}
)

Gets the group information from the server.

This method does not get member information. If member information is required, call {@link #fetchMemberListFromServer(String, int?, String?)}.

Param groupId The group ID.

Return The group instance.

Throws A description of the exception. See {@link EMError}.

Implementation

Future<EMGroup> fetchGroupInfoFromServer(
  String groupId, {
  bool fetchMembers = false,
}) async {
  Map req = {"groupId": groupId, "fetchMembers": fetchMembers};
  Map result = await _channel.invokeMethod(
      ChatMethodKeys.getGroupSpecificationFromServer, req);
  try {
    EMError.hasErrorFromResult(result);
    return EMGroup.fromJson(
        result[ChatMethodKeys.getGroupSpecificationFromServer]);
  } on EMError catch (e) {
    throw e;
  }
}