isJoinedGroup method
检查是否已加入组
gid
组ID
Implementation
Future<bool> isJoinedGroup({
required String gid,
String? operationID,
}) =>
getJoinedGroupList(
operationID: Utils.checkOperationID(operationID),
).then((list) => list.where((e) => e.groupID == gid).length > 0);