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<?php
/*
* Created on Jul 2, 2007
*
* API for MediaWiki 1.8+
*
* Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if (!defined('MEDIAWIKI')) {
// Eclipse helper - will be ignored in production
require_once ('ApiQueryBase.php');
}
/**
* Query module to enumerate all available pages.
*
* @ingroup API
*/
class ApiQueryDeletedrevs extends ApiQueryBase {
public function __construct($query, $moduleName) {
parent :: __construct($query, $moduleName, 'dr');
}
public function execute() {
global $wgUser;
// Before doing anything at all, let's check permissions
if(!$wgUser->isAllowed('deletedhistory'))
$this->dieUsage('You don\'t have permission to view deleted revision information', 'permissiondenied');
$db = $this->getDB();
$params = $this->extractRequestParams(false);
$prop = array_flip($params['prop']);
$fld_revid = isset($prop['revid']);
$fld_user = isset($prop['user']);
$fld_comment = isset($prop['comment']);
$fld_minor = isset($prop['minor']);
$fld_len = isset($prop['len']);
$fld_content = isset($prop['content']);
$fld_token = isset($prop['token']);
$result = $this->getResult();
$pageSet = $this->getPageSet();
$titles = $pageSet->getTitles();
$data = array();
$this->addTables('archive');
$this->addFields(array('ar_title', 'ar_namespace', 'ar_timestamp'));
if($fld_revid)
$this->addFields('ar_rev_id');
if($fld_user)
$this->addFields('ar_user_text');
if($fld_comment)
$this->addFields('ar_comment');
if($fld_minor)
$this->addFields('ar_minor_edit');
if($fld_len)
$this->addFields('ar_len');
if($fld_content)
{
$this->addTables('text');
$this->addFields(array('ar_text', 'ar_text_id', 'old_text', 'old_flags'));
$this->addWhere('ar_text_id = old_id');
// This also means stricter restrictions
if(!$wgUser->isAllowed('undelete'))
$this->dieUsage('You don\'t have permission to view deleted revision content', 'permissiondenied');
}
// Check limits
$userMax = $fld_content ? ApiBase :: LIMIT_SML1 : ApiBase :: LIMIT_BIG1;
$botMax = $fld_content ? ApiBase :: LIMIT_SML2 : ApiBase :: LIMIT_BIG2;
$limit = $params['limit'];
if( $limit == 'max' ) {
$limit = $this->getMain()->canApiHighLimits() ? $botMax : $userMax;
$this->getResult()->addValue( 'limits', $this->getModuleName(), $limit );
}
$this->validateLimit('limit', $limit, 1, $userMax, $botMax);
if($fld_token)
// Undelete tokens are identical for all pages, so we cache one here
$token = $wgUser->editToken();
// We need a custom WHERE clause that matches all titles.
if(count($titles) > 0)
{
$lb = new LinkBatch($titles);
$where = $lb->constructSet('ar', $db);
$this->addWhere($where);
}
$this->addOption('LIMIT', $limit + 1);
$this->addWhereRange('ar_timestamp', $params['dir'], $params['start'], $params['end']);
$res = $this->select(__METHOD__);
$pages = array();
$count = 0;
// First populate the $pages array
while($row = $db->fetchObject($res))
{
if(++$count > $limit)
{
// We've had enough
$this->setContinueEnumParameter('start', wfTimestamp(TS_ISO_8601, $row->ar_timestamp));
break;
}
$rev = array();
$rev['timestamp'] = wfTimestamp(TS_ISO_8601, $row->ar_timestamp);
if($fld_revid)
$rev['revid'] = $row->ar_rev_id;
if($fld_user)
$rev['user'] = $row->ar_user_text;
if($fld_comment)
$rev['comment'] = $row->ar_comment;
if($fld_minor)
if($row->ar_minor_edit == 1)
$rev['minor'] = '';
if($fld_len)
$rev['len'] = $row->ar_len;
if($fld_content)
ApiResult::setContent($rev, Revision::getRevisionText($row));
$t = Title::makeTitle($row->ar_namespace, $row->ar_title);
if(!isset($pages[$t->getPrefixedText()]))
{
$pages[$t->getPrefixedText()] = array(
'title' => $t->getPrefixedText(),
'ns' => intval($row->ar_namespace),
'revisions' => array($rev)
);
if($fld_token)
$pages[$t->getPrefixedText()]['token'] = $token;
}
else
$pages[$t->getPrefixedText()]['revisions'][] = $rev;
}
$db->freeResult($res);
// We don't want entire pagenames as keys, so let's make this array indexed
foreach($pages as $page)
{
$result->setIndexedTagName($page['revisions'], 'rev');
$data[] = $page;
}
$result->setIndexedTagName($data, 'page');
$result->addValue('query', $this->getModuleName(), $data);
}
public function getAllowedParams() {
return array (
'start' => array(
ApiBase :: PARAM_TYPE => 'timestamp'
),
'end' => array(
ApiBase :: PARAM_TYPE => 'timestamp',
),
'dir' => array(
ApiBase :: PARAM_TYPE => array(
'newer',
'older'
),
ApiBase :: PARAM_DFLT => 'older'
),
'limit' => array(
ApiBase :: PARAM_DFLT => 10,
ApiBase :: PARAM_TYPE => 'limit',
ApiBase :: PARAM_MIN => 1,
ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
),
'prop' => array(
ApiBase :: PARAM_DFLT => 'user|comment',
ApiBase :: PARAM_TYPE => array(
'revid',
'user',
'comment',
'minor',
'len',
'content',
'token'
),
ApiBase :: PARAM_ISMULTI => true
)
);
}
public function getParamDescription() {
return array (
'start' => 'The timestamp to start enumerating from',
'end' => 'The timestamp to stop enumerating at',
'dir' => 'The direction in which to enumerate',
'limit' => 'The maximum amount of revisions to list',
'prop' => 'Which properties to get'
);
}
public function getDescription() {
return 'List deleted revisions.';
}
protected function getExamples() {
return array (
'List the first 50 deleted revisions',
' api.php?action=query&list=deletedrevs&drdir=newer&drlimit=50',
'List the last deleted revisions of Main Page and Talk:Main Page, with content:',
' api.php?action=query&list=deletedrevs&titles=Main%20Page|Talk:Main%20Page&drprop=user|comment|content'
);
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiQueryDeletedrevs.php 37502 2008-07-10 14:13:11Z catrope $';
}
}
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