def get_next_id(self):
        try:
            query = {'_id': 'last_id'}
            update = {'$inc': {'id': 1}}
            fn = self.db.internal.find_and_modify
            row = fn(query, update, upsert=True, new=True)
        except Exception as e:
            raise DatabaseException(e)
        return row['id']
def groups():
    page = request.args.get("page", 1, type=int)

    groups = Group.query.\
        order_by(Group.id.asc()).\
        paginate(page, flaskbb_config['USERS_PER_PAGE'], False)

    return render_template("management/groups.html", groups=groups)