/home/edulekha/studygroup.edulekha.com/ow_plugins/groups/bol/group_user_dao.php
<?php
/**
* This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
* licensed under The BSD license.
* ---
* Copyright (c) 2011, Oxwall Foundation
* All rights reserved.
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and
* the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Data Access Object for `groups_group_user` table.
*
* @author Sergey Kambalin <greyexpert@gmail.com>
* @package ow_plugins.groups.bol
* @since 1.0
*/
class GROUPS_BOL_GroupUserDao extends OW_BaseDao
{
/**
* Singleton instance.
*
* @var GROUPS_BOL_GroupUserDao
*/
private static $classInstance;
/**
* Returns an instance of class (singleton pattern implementation).
*
* @return GROUPS_BOL_GroupUserDao
*/
public static function getInstance()
{
if ( self::$classInstance === null )
{
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* @see OW_BaseDao::getDtoClassName()
*
*/
public function getDtoClassName()
{
return 'GROUPS_BOL_GroupUser';
}
/**
* @see OW_BaseDao::getTableName()
*
*/
public function getTableName()
{
return OW_DB_PREFIX . 'groups_group_user';
}
public function findListByGroupId( $groupId, $first, $count )
{
$queryParts = BOL_UserDao::getInstance()->getUserQueryFilter("u", "userId", array(
"method" => "GROUPS_BOL_GroupUserDao::findListByGroupId"
));
$query = "SELECT u.* FROM " . $this->getTableName() . " u " . $queryParts["join"]
. " WHERE " . $queryParts["where"] . " AND u.groupId=:g AND u.privacy=:p LIMIT :lf, :lc";
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), array(
"g" => $groupId,
"p" => GROUPS_BOL_Service::PRIVACY_EVERYBODY,
"lf" => $first,
"lc" => $count
));
}
public function findByGroupId( $groupId, $privacy = null )
{
$example = new OW_Example();
$example->andFieldEqual('groupId', $groupId);
if ( $privacy !== null )
{
$example->andFieldEqual('privacy', $privacy);
}
return $this->findListByExample($example);
}
public function findCountByGroupId( $groupId )
{
$queryParts = BOL_UserDao::getInstance()->getUserQueryFilter("u", "userId", array(
"method" => "GROUPS_BOL_GroupUserDao::findCountByGroupId"
));
$query = "SELECT COUNT(DISTINCT u.id) FROM " . $this->getTableName() . " u " . $queryParts["join"]
. " WHERE " . $queryParts["where"] . " AND u.groupId=:g";
return $this->dbo->queryForColumn($query, array(
"g" => $groupId
));
}
public function findCountByGroupIdList( $groupIdList )
{
if ( empty($groupIdList) )
{
return array();
}
$queryParts = BOL_UserDao::getInstance()->getUserQueryFilter("u", "userId", array(
"method" => "GROUPS_BOL_GroupUserDao::findCountByGroupIdList"
));
$query = 'SELECT u.groupId, COUNT(*) count FROM ' . $this->getTableName() . ' u '
. $queryParts["join"]
. ' WHERE ' . $queryParts["where"] . ' AND u.groupId IN (' . implode(',', $groupIdList) . ') GROUP BY u.groupId';
$list = $this->dbo->queryForList($query, null
, GROUPS_BOL_GroupDao::LIST_CACHE_LIFETIME, array(GROUPS_BOL_GroupDao::LIST_CACHE_TAG));
$resultList = array();
foreach ( $list as $item )
{
$resultList[$item['groupId']] = $item['count'];
}
foreach ( $groupIdList as $groupId )
{
$resultList[$groupId] = empty($resultList[$groupId]) ? 0 : $resultList[$groupId];
}
return $resultList;
}
/**
*
* @param int $groupId
* @param int $userId
* @return GROUPS_BOL_GroupUser
*/
public function findGroupUser( $groupId, $userId )
{
$example = new OW_Example();
$example->andFieldEqual('groupId', $groupId);
$example->andFieldEqual('userId', $userId);
return $this->findObjectByExample($example);
}
public function deleteByGroupId( $groupId )
{
$example = new OW_Example();
$example->andFieldEqual('groupId', $groupId);
return $this->deleteByExample($example);
}
public function deleteByUserId( $userId )
{
$example = new OW_Example();
$example->andFieldEqual('userId', $userId);
return $this->deleteByExample($example);
}
public function deleteByGroupAndUserId( $groupId, $userId )
{
$example = new OW_Example();
$example->andFieldEqual('groupId', $groupId);
$example->andFieldEqual('userId', $userId);
return $this->deleteByExample($example);
}
public function setPrivacy( $userId, $privacy )
{
$query = 'UPDATE ' . $this->getTableName() . ' SET privacy=:p WHERE userId=:u';
$this->dbo->query($query, array(
'p' => $privacy,
'u' => $userId
));
}
}