Subversion-Projekte lars-tiefland.prado

<?php
/**
 * UserManager class file.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2006 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: UserManager.php 2289 2007-10-01 01:04:10Z xue $
 * @package Demos
 */

/**
 * User manager module class for time tracker application.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version $Id: UserManager.php 2289 2007-10-01 01:04:10Z xue $
 * @package Demos
 * @since 3.1
 */
class UserManager extends TModule implements IUserManager
{
        /**
         * @return string name for a guest user.
         */
        public function getGuestName()
        {
                return 'Guest';
        }

        /**
         * Returns a user instance given the user name.
         * @param string user name, null if it is a guest.
         * @return TUser the user instance, null if the specified username is not in the user database.
         */
        public function getUser($username=null)
        {
                if($username===null)
                {
                        $user=new TUser($this);
                        $user->setIsGuest(true);
                        return $user;
                }
                else
                {
                        $daos = $this->getApplication()->getModule('daos');
                        $userDao = $daos->getDao('UserDao');
                        $user = $userDao->getUserByName($username);
                        $user->setIsGuest(false);
                        return $user;
                }
        }

        /**
         * Validates if the username and password are correct.
         * @param string user name
         * @param string password
         * @return boolean true if validation is successful, false otherwise.
         */
        public function validateUser($username,$password)
        {
                $daos = $this->getApplication()->getModule('daos');
                $userDao = $daos->getDao('UserDao');
                return $userDao->validateUser($username, $password);
        }

        /**
         * Saves user auth data into a cookie.
         * @param THttpCookie the cookie to receive the user auth data.
         * @since 3.1.1
         */
        public function saveUserToCookie($cookie)
        {
                // do nothing since we don't support cookie-based auth in this example
        }

        /**
         * Returns a user instance according to auth data stored in a cookie.
         * @param THttpCookie the cookie storing user authentication information
         * @return TUser the user instance generated based on the cookie auth data, null if the cookie does not have valid auth data.
         * @since 3.1.1
         */
        public function getUserFromCookie($cookie)
        {
                // do nothing since we don't support cookie-based auth in this example
                return null;
        }
}

?>