# -*- coding: iso8859-1 -*-
#
# Copyright (C) 2005-2006 The Sankaty Group, Inc.
# Copyright (C) 2005-2006 Brad Anderson <brad@dsource.org>
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://trac.edgewall.com/license.html.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at http://projects.edgewall.com/trac/.
#
# Author: Brad Anderson <brad@dsource.org>

from dbauth.env import *

from trac.userdir import *


class DbAuthUserDirectory(Component):
    implements (IUserDirectory)
    
    def __init__(self):
        self.envname = get_envname(self.env)
        
    # IUserDirectory methods
    
    def get_known_user_info(self, limit=None):
        cnx = get_db(self.env)
        cursor = cnx.cursor()
        cursor.execute("SELECT username "
                       "FROM trac_permissions " 
                       "WHERE (envname=%s or envname='all') "
                       "ORDER BY username", (self.envname,))
        
        for username in cursor:
            yield username,'',''
        cnx.close()

    def get_known_users(self, cnx=None, limit=None):
        db = get_db(self.env)
        cursor = db.cursor()
        cursor.execute("SELECT username "
                       "FROM trac_permissions "
                       "WHERE (envname=%s or envname='all') "
                       "ORDER BY username", (self.envname,))
        
        for username in cursor:
            yield username[0]

    def get_user_attribute(self, user, attr):
        pass
    
    def get_supported_attributes(self):
        pass