/home/edulekha/studygroup.edulekha.com/ow_system_plugins/base/bol/comment_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 `base_comment` table.
*
* @author Sardar Madumarov <madumarov@gmail.com>
* @package ow_system_plugins.base.bol
* @since 1.0
*/
class BOL_CommentDao extends OW_BaseDao
{
const USER_ID = 'userId';
const COMMENT_ENTITY_ID = 'commentEntityId';
const MESSAGE = 'message';
const CREATE_STAMP = 'createStamp';
/**
* Singleton instance.
*
* @var BOL_CommentDao
*/
private static $classInstance;
/**
* Returns an instance of class (singleton pattern implementation).
*
* @return BOL_CommentDao
*/
public static function getInstance()
{
if ( self::$classInstance === null )
{
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Constructor.
*/
protected function __construct()
{
parent::__construct();
}
/**
* @see OW_BaseDao::getDtoClassName()
*
*/
public function getDtoClassName()
{
return 'BOL_Comment';
}
/**
* @see OW_BaseDao::getTableName()
*
*/
public function getTableName()
{
return OW_DB_PREFIX . 'base_comment';
}
/**
* Finds comment list for provided entity type and entity id.
*
* @param string $entityType
* @param integer $entityId
* @param integer $first
* @param integer $count
* @return array
*/
public function findCommentList( $entityType, $entityId, $first, $count )
{
$query = "SELECT `c`.* FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce` ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE `ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = :entityType AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` = :entityId
ORDER BY `" . self::CREATE_STAMP . "` DESC
LIMIT :first, :count";
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), array('entityType' => $entityType, 'entityId' => $entityId, 'first' => $first, 'count' => $count));
}
/**
* Finds full comment list for provided entity type and entity id.
*
* @param string $entityType
* @param integer $entityId
* @return array<BOL_Comment>
*/
public function findFullCommentList( $entityType, $entityId )
{
$query = "SELECT `c`.* FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce` ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE `ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = :entityType AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` = :entityId
ORDER BY `" . self::CREATE_STAMP . "`";
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), array('entityType' => $entityType, 'entityId' => $entityId));
}
/**
* Returns comments count for provided entity type and entity id.
*
* @param string $entityType
* @param integer $entityId
* @return integer
*/
public function findCommentCount( $entityType, $entityId )
{
$query = "SELECT COUNT(*) FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce` ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE `ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = :entityType AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` = :entityId
";
return (int) $this->dbo->queryForColumn($query, array('entityType' => $entityType, 'entityId' => $entityId));
}
public function findMostCommentedEntityList( $entityType, $first, $count )
{
$queryParts = BOL_ContentService::getInstance()->getQueryFilter(array(
BASE_CLASS_QueryBuilderEvent::TABLE_USER => 'c',
BASE_CLASS_QueryBuilderEvent::TABLE_CONTENT => 'c',
'comment_entity' => 'ce'
), array(
BASE_CLASS_QueryBuilderEvent::FIELD_USER_ID => 'userId',
BASE_CLASS_QueryBuilderEvent::FIELD_CONTENT_ID => 'id'
), array(
BASE_CLASS_QueryBuilderEvent::OPTION_METHOD => __METHOD__,
BASE_CLASS_QueryBuilderEvent::OPTION_TYPE => $entityType
));
$query = 'SELECT `ce`.`entityId` AS `id`, COUNT(*) AS `commentCount`
FROM `' . $this->getTableName() . '` AS `c`
LEFT JOIN `' . BOL_CommentEntityDao::getInstance()->getTableName() . '` AS `ce` ON (`c`.`' . self::COMMENT_ENTITY_ID . '` = `ce`.`id`)
' . $queryParts['join'] . '
WHERE `ce`.`' . BOL_CommentEntityDao::ENTITY_TYPE . '` = :entityType AND `ce`.`' . BOL_CommentEntityDao::ACTIVE . '` = 1 AND ' . $queryParts['where'] . '
GROUP BY `ce`.`' . BOL_CommentEntityDao::ENTITY_ID . '`
ORDER BY `commentCount` DESC, `id` DESC
LIMIT :first, :count';
$boundParams = array_merge(array('entityType' => $entityType, 'first' => $first, 'count' => $count), $queryParts['params']);
return $this->dbo->queryForList($query, $boundParams);
}
public function findCommentCountForEntityList( $entityType, $idList )
{
if ( empty($idList) )
{
return array();
}
$query = "SELECT `ce`.`entityId` AS `id`, COUNT(*) AS `commentCount` FROM `" . $this->getTableName() . "` AS `c`
INNER JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce`
ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE `ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = :entityType AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` IN ( " . $this->dbo->mergeInClause($idList) . " )
GROUP BY `" . BOL_CommentEntityDao::ENTITY_ID . "`";
return $this->dbo->queryForList($query, array('entityType' => $entityType));
}
public function deleteByCommentEntityId( $id )
{
$example = new OW_Example();
$example->andFieldEqual(self::COMMENT_ENTITY_ID, $id);
$this->deleteByExample($example);
}
public function deleteByUserId( $userId )
{
$example = new OW_Example();
$example->andFieldEqual(self::USER_ID, (int) $userId);
$this->deleteByExample($example);
}
public function deleteEntityTypeComments( $entityType )
{
$query = "DELETE `c` FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `e` ON( `c`.`" . self::COMMENT_ENTITY_ID . "` = `e`.`id` )
WHERE `e`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = :entityType";
$this->dbo->query($query, array('entityType' => trim($entityType)));
}
public function deleteByPluginKey( $pluginKey )
{
$query = "DELETE `c` FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `e` ON( `c`.`" . self::COMMENT_ENTITY_ID . "` = `e`.`id` )
WHERE `e`.`" . BOL_CommentEntityDao::PLUGIN_KEY . "` = :pluginKey";
$this->dbo->query($query, array('pluginKey' => trim($pluginKey)));
}
public function findBatchCommentsCount( array $entities )
{
$queryStr = '';
$params = array();
foreach ( $entities as $entity )
{
$queryStr .= " (`ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = ? AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` = ? ) OR";
$params[] = $entity['entityType'];
$params[] = $entity['entityId'];
}
$queryStr = substr($queryStr, 0, -2);
$query = "SELECT `ce`.`entityType`, `ce`.`entityId`, COUNT(*) AS `count` FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce` ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE " . $queryStr . " GROUP BY `ce`.`id`";
return $this->dbo->queryForList($query, $params);
}
public function findBatchCommentsList( $entities )
{
if ( empty($entities) )
{
return array();
}
$queryParts = array();
$queryParams = array();
$genId = 1;
foreach ( $entities as $entity )
{
$queryParts[] = " SELECT * FROM ( SELECT `c`.*, `ce`.`entityType`, `ce`.`entityId` FROM `" . $this->getTableName() . "` AS `c`
LEFT JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` AS `ce` ON ( `c`.`" . self::COMMENT_ENTITY_ID . "` = `ce`.`id` )
WHERE `ce`.`" . BOL_CommentEntityDao::ENTITY_TYPE . "` = ? AND `ce`.`" . BOL_CommentEntityDao::ENTITY_ID . "` = ?
ORDER BY `" . self::CREATE_STAMP . "` DESC
LIMIT 0, ? ) AS `al" . $genId++ . "` ".PHP_EOL;
$queryParams[] = $entity['entityType'];
$queryParams[] = $entity['entityId'];
$queryParams[] = (int)$entity['countOnPage'];
}
$query = implode(" UNION ALL ", $queryParts);
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), $queryParams);
}
}