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<?php
/**
* UserManager class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2006 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Demos
*/
/**
* User manager module class for time tracker application.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @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;
}
}
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