/home/edulekha/studygroup.edulekha.com/ow_plugins/blogs/bol/dao/post_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.
*/
/**
* @author Zarif Safiullin <zaph.saph@gmail.com>
* @package ow_plugins.blogs.bol.dao
* @since 1.0
*/
class PostDao extends OW_BaseDao
{
const CACHE_TAG_POST_COUNT = 'blogs.post_count';
const CACHE_LIFE_TIME = 86400; //24 hour
/**
* Class constructor
*
*/
protected function __construct()
{
parent::__construct();
}
/**
* Class instance
*
* @var PostDao
*/
private static $classInstance;
/**
* Returns class instance
*
* @return PostDao
*/
public static function getInstance()
{
if ( self::$classInstance === null )
{
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* @see OW_BaseDao::getDtoClassName()
*
*/
public function getDtoClassName()
{
return 'Post';
}
/**
* @see OW_BaseDao::getTableName()
*
*/
public function getTableName()
{
return OW_DB_PREFIX . 'blogs_post';
}
public function findAdjacentUserPost( $id, $postId, $which )
{
$part = array();
switch ( $which )
{
case 'next':
$part['projection'] = 'MIN(`id`)';
$part['inequality'] = '>';
break;
case 'prev':
$part['projection'] = 'MAX(`id`)';
$part['inequality'] = '<';
break;
}
$query = "
SELECT {$part['projection']}
FROM {$this->getTableName()}
WHERE isDraft = 0 AND authorId = ? AND id {$part['inequality']} ?
";
$id = $this->dbo->queryForColumn($query, array($id, $postId));
return (!empty($id)) ? $this->findById($id) : null;
}
public function deleteByAuthorId( $userId )
{
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId);
$this->deleteByExample($ex);
}
public function findUserPostList( $userId, $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId)
->setOrder('`timestamp` DESC')
->andFieldEqual('isDraft', 0)
->setLimitClause($first, $count);
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->findListByExample($ex, $cacheLifeTime, $tags);
}
public function findUserDraftList( $userId, $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId)
->andFieldNotEqual('isDraft', 0)
->setOrder('`timestamp` DESC')
->setLimitClause($first, $count);
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->findListByExample($ex, $cacheLifeTime, $tags);
}
public function countUserPost( $userId )
{
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId);
$ex->andFieldEqual('isDraft', 0);
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->countByExample($ex,$cacheLifeTime, $tags);
}
public function countUserDraft( $userId )
{
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId);
$ex->andFieldNotEqual('isDraft', 0);
$ex->andFieldNotEqual('isDraft', 3);
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->countByExample($ex, $cacheLifeTime, $tags);
}
public function countPosts()
{
$ex = new OW_Example();
$ex->andFieldEqual('isDraft', 0);
$ex->andFieldEqual('privacy', 'everybody');
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->countByExample($ex, $cacheLifeTime, $tags);
}
public function countUserPostComment( $userId )
{
$query = "
SELECT COUNT(*)
FROM `{$this->getTableName()}` as `p`
INNER JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` as `ce`
ON( `p`.`id` = `ce`.`entityId` and `entityType` = 'blog-post' )
INNER JOIN `" . BOL_CommentDao::getInstance()->getTableName() . "` as `c`
ON( `ce`.`id` = `c`.`commentEntityId` )
WHERE `p`.`authorId` = ? AND `p`.`isDraft` = 0
";
return $this->dbo->queryForColumn($query, array($userId));
}
public function countUserPostNewComment( $userId )
{
$query = "
SELECT COUNT(*)
FROM `{$this->getTableName()}` as `p`
INNER JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` as `ce`
ON( `p`.`id` = `ce`.`entityId` and `entityType` = 'blog-post' )
INNER JOIN `" . BOL_CommentDao::getInstance()->getTableName() . "` as `c`
ON( `ce`.`id` = `c`.`commentEntityId` )
WHERE `p`.`authorId` = ? AND `p`.`isDraft` = 0 AND `c`.`createStamp` > ".(time()-86400*7)."
";
return $this->dbo->queryForColumn($query, array($userId));
}
public function findUserPostCommentList( $userId, $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$query = "
SELECT `c`.*, `ce`.`entityId`
FROM `{$this->getTableName()}` as `p`
INNER JOIN `" . BOL_CommentEntityDao::getInstance()->getTableName() . "` as `ce`
ON( `p`.`id` = `ce`.`entityId` and `entityType` = 'blog-post' )
INNER JOIN `" . BOL_CommentDao::getInstance()->getTableName() . "` as `c`
ON( `ce`.`id` = `c`.`commentEntityId` )
WHERE `p`.`authorId` = ? AND `p`.`isDraft` = 0
ORDER BY `c`.`createStamp` DESC
LIMIT ?, ?
";
return $this->dbo->queryForList($query, array($userId, $first, $count));
}
public function findUserLastPost( $userId )
{
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $userId)->andFieldEqual('isDraft', 0)->setOrder('timestamp DESC')->setLimitClause(0, 1);
return $this->findObjectByExample($ex);
}
/**
* Find latest posts authors ids
*
* @param integer $first
* @param integer $count
* @return array
*/
public function findLatestPublicPostsAuthorsIds($first, $count)
{
$query = "SELECT
`authorId`
FROM
`" . $this->getTableName() . "`
WHERE
`privacy` = :privacy
AND
`isDraft` = :draft
GROUP BY
`authorId`
ORDER BY
`timestamp` DESC
LIMIT :f, :c";
return $this->dbo->queryForColumnList($query, array(
'privacy' => 'everybody',
'draft' => 0,
'f' => (int) $first,
'c' => (int) $count,
));
}
public function findUserArchiveData( $id )
{
$query = "
SELECT YEAR( FROM_UNIXTIME(`timestamp`) ) as `y`, MONTH( FROM_UNIXTIME(`timestamp`) ) as `m`
FROM `{$this->getTableName()}`
WHERE isDraft = 0 AND `authorId` = ?
GROUP BY `y` DESC, `m` DESC
";
return $this->dbo->queryForList($query, array($id));
}
public function findUserPostListByPeriod( $id, $lb, $ub, $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $id);
$ex->andFieldBetween('timestamp', $lb, $ub);
$ex->andFieldEqual('isDraft', 0);
$ex->setOrder('`timestamp` DESC');
$ex->setLimitClause($first, $count);
return $this->findListByExample($ex);
}
public function countUserPostByPeriod( $id, $lb, $ub )
{
$ex = new OW_Example();
$ex->andFieldEqual('authorId', $id);
$ex->andFieldBetween('timestamp', $lb, $ub);
$ex->andFieldEqual('isDraft', 0);
$ex->setOrder('`timestamp` DESC');
return $this->countByExample($ex);
}
/**
* Find latest public list ids
*
* @param integer $first
* @param integer $count
* @return array
*/
public function findLatestPublicListIds( $first, $count )
{
$ex = new OW_Example();
$ex->andFieldEqual('isDraft', 0);
$ex->andFieldEqual('privacy', 'everybody');
$ex->setOrder('timestamp desc')->setLimitClause((int) $first, (int) $count);
return $this->findIdListByExample($ex);
}
public function findList( $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$ex = new OW_Example();
$ex->andFieldEqual('isDraft', 0);
$ex->andFieldEqual('privacy', 'everybody');
$ex->setOrder('timestamp desc')->setLimitClause((int) $first, (int) $count);
$cacheLifeTime = self::CACHE_LIFE_TIME;
$tags = array( self::CACHE_TAG_POST_COUNT );
return $this->findListByExample($ex, $cacheLifeTime, $tags);
}
public function findTopRatedList( $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$query = "
SELECT p.*, IF(SUM(r.score) IS NOT NULL, SUM(r.score), 0) as `t`
FROM `{$this->getTableName()}` as p
LEFT JOIN `ow_base_rate` as r /*todo: 8aa*/
ON( r.`entityType` = 'blog-post' AND p.id = r.`entityId` )
WHERE p.isDraft = 0
GROUP BY p.`id`
ORDER BY `t` DESC
LIMIT ?, ?";
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), array($first, $count));
}
public function findListByTag( $tag, $first, $count )
{
if ($first < 0)
{
$first = 0;
}
if ($count < 0)
{
$count = 1;
}
$query = "
SELECT p.*
FROM `ow_base_tag` as t
INNER JOIN `ow_base_entity_tag` as `et`
ON(`t`.`id` = `et`.`tagId` AND `et`.`entityType` = 'blog-post')
INNER JOIN `{$this->getTableName()}` as p
ON(`et`.`entityId` = `p`.`id`)
WHERE p.isDraft = 0 AND `t`.`label` = '{$tag}'
ORDER BY
LIMIT ?, ?";
return $this->dbo->queryForObjectList($query, $this->getDtoClassName(), array($first, $count));
}
public function countByTag( $tag )
{
$query = "
SELECT count( * )
FROM `ow_base_tag` as t
INNER JOIN `ow_base_entity_tag` as `et`
ON(`t`.`id` = `et`.`tagId` AND `et`.`entityType` = 'blog-post')
INNER JOIN `{$this->getTableName()}` as p
ON(`et`.`entityId` = `p`.`id`)
WHERE p.isDraft = 0 AND `t`.`label` = '{$tag}'";
return $this->dbo->queryForColumn($query);
}
public function findListByIdList( $list )
{
$ex = new OW_Example();
$ex->andFieldInArray('id', $list);
$ex->andFieldEqual('privacy', 'everybody');
$ex->setOrder('timestamp DESC');
return $this->findListByExample($ex);
}
public function updateBlogsPrivacy( $authorId, $privacy )
{
$this->clearCache();
$sql = "UPDATE `" . $this->getTableName() . "` SET `privacy` = :privacy
WHERE `authorId` = :authorId";
$this->dbo->query($sql, array('privacy' => $privacy, 'authorId' => $authorId));
}
public function clearCache()
{
OW::getCacheManager()->clean( array( PostDao::CACHE_TAG_POST_COUNT ));
}
}