public async Task <ActionResult <Group> > GetGroupById([FromBody] UsersGroup ug)
{
int id = ug.GroupId;
var group = await _groupService.ADGetGroupById(id);
if (group == null)
{
return(NotFound());
}
int userId = ug.UserId;
group.isJoined = await _groupService.IsGroupMemberAD(id, userId);
return(group);
}