/home/edulekha/studygroup.edulekha.com/ow_system_plugins/base/bol/user_online_dao.php
<?php
/**
* EXHIBIT A. Common Public Attribution License Version 1.0
* The contents of this file are subject to the Common Public Attribution License Version 1.0 (the “License”);
* you may not use this file except in compliance with the License. You may obtain a copy of the License at
* http://www.oxwall.org/license. The License is based on the Mozilla Public License Version 1.1
* but Sections 14 and 15 have been added to cover use of software over a computer network and provide for
* limited attribution for the Original Developer. In addition, Exhibit A has been modified to be consistent
* with Exhibit B. Software distributed under the License is distributed on an “AS IS” basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language
* governing rights and limitations under the License. The Original Code is Oxwall software.
* The Initial Developer of the Original Code is Oxwall Foundation (http://www.oxwall.org/foundation).
* All portions of the code written by Oxwall Foundation are Copyright (c) 2011. All Rights Reserved.
* EXHIBIT B. Attribution Information
* Attribution Copyright Notice: Copyright 2011 Oxwall Foundation. All rights reserved.
* Attribution Phrase (not exceeding 10 words): Powered by Oxwall community software
* Attribution URL: http://www.oxwall.org/
* Graphic Image as provided in the Covered Code.
* Display of Attribution Information is required in Larger Works which are defined in the CPAL as a work
* which combines Covered Code or portions thereof with code not governed by the terms of the CPAL.
*/
/**
* Data Access Object for `user_online` table.
*
* @author Sardar Madumarov <madumarov@gmail.com>
* @package ow_system_plugins.base.bol
* @since 1.0
*/
class BOL_UserOnlineDao extends OW_BaseDao
{
const USER_ID = 'userId';
const ACTIVITY_STAMP = 'activityStamp';
const CONTEXT = 'context';
const CONTEXT_VAL_DESKTOP = 1;
const CONTEXT_VAL_MOBILE = 2;
const CONTEXT_VAL_API = 4;
const CONTEXT_VAL_CLI = 8;
/**
* Constructor.
*/
protected function __construct()
{
parent::__construct();
}
/**
* Singleton instance.
*
* @var BOL_UserOnlineDao
*/
private static $classInstance;
/**
* Returns an instance of class (singleton pattern implementation).
*
* @return BOL_UserOnlineDao
*/
public static function getInstance()
{
if ( self::$classInstance === null )
{
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* @see OW_BaseDao::getDtoClassName()
*
*/
public function getDtoClassName()
{
return 'BOL_UserOnline';
}
/**
* @see OW_BaseDao::getTableName()
*
*/
public function getTableName()
{
return OW_DB_PREFIX . 'base_user_online';
}
/**
*
* @param integer $userId
* @return BOL_UserOnline
*/
public function findByUserId( $userId )
{
$example = new OW_Example();
$example->andFieldEqual(self::USER_ID, (int) $userId);
return $this->findObjectByExample($example);
}
public function findOnlineUserIdListFromIdList( $idList )
{
if ( empty($idList) )
{
return array();
}
$query = "SELECT * FROM `" . $this->getTableName() . "` WHERE `" . self::USER_ID . "` IN (" . $this->dbo->mergeInClause($idList) . ")";
return $this->dbo->queryForList($query);
}
public function deleteExpired( $timestamp )
{
$query = "DELETE FROM `{$this->getTableName()}` WHERE `activityStamp` < ?";
$this->dbo->query($query, array($timestamp));
}
}