'children': [{'id': rev, 'text': name, 'type': 'closed-branch'} for name, rev in _closed_branches]

            })

        _tags = repo.tags.items()

        if _tags:

            res.append({

                'text': _('Tag'),

                'children': [{'id': rev, 'text': name, 'type': 'tag'} for name, rev in _tags]

            })

        _bookmarks = repo.bookmarks.items()

        if _bookmarks:

            res.append({

                'text': _('Bookmark'),

                'children': [{'id': rev, 'text': name, 'type': 'book'} for name, rev in _bookmarks]

            })

        data = {

            'more': False,

            'results': res

        }

        return data

    @LoginRequired(allow_default_user=True)

    @jsonify

    def users_and_groups_data(self):

        """

        Returns 'results' with a list of users and user groups.

        You can either use the 'key' GET parameter to get a user by providing

        the exact user key or you can use the 'query' parameter to

        search for users by user key, first name and last name.

        'types' defaults to just 'users' but can be set to 'users,groups' to

        get both users and groups.

        No more than 500 results (of each kind) will be returned.

        """

        types = request.GET.get('types', 'users').split(',')

        key = request.GET.get('key', '')

        query = request.GET.get('query', '')

        results = []

        if 'users' in types:

            user_list = []

            if key:

                u = User.get_by_username(key)

                if u:

                    user_list = [u]

            elif query:

                user_list = User.query() \

                    .filter(User.is_default_user == False) \

                    .filter(User.active == True) \

                    .filter(or_(

                    )) \

                    .order_by(User.username) \

                    .limit(500) \

                    .all()

            for u in user_list:

                results.append({

                    'type': 'user',

                    'id': u.user_id,

                    'nname': u.username,

                    'fname': u.name,

                    'lname': u.lastname,

                    'gravatar_lnk': h.gravatar_url(u.email, size=28, default='default'),

                    'gravatar_size': 14,

                })

        if 'groups' in types:

            grp_list = []

            if key:

                grp = UserGroup.get_by_group_name(key)

                if grp:

                    grp_list = [grp]

            elif query:

                grp_list = UserGroup.query() \

                    .filter(UserGroup.users_group_active == True) \

                    .order_by(UserGroup.users_group_name) \

                    .limit(500) \

                    .all()

            for g in UserGroupList(grp_list, perm_level='read'):

                results.append({

                    'type': 'group',

                    'id': g.users_group_id,

                    'grname': g.users_group_name,

                })

        return dict(results=results)