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<?php
/*
* Created on July 6, 2007
*
* API for MediaWiki 1.8+
*
* Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* 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');
}
/**
* A query action to get image information and upload history.
*
* @addtogroup API
*/
class ApiQueryImageInfo extends ApiQueryBase {
public function __construct($query, $moduleName) {
parent :: __construct($query, $moduleName, 'ii');
}
public function execute() {
$params = $this->extractRequestParams();
$prop = array_flip($params['prop']);
$this->fld_timestamp = isset($prop['timestamp']);
$this->fld_user = isset($prop['user']);
$this->fld_comment = isset($prop['comment']);
$this->fld_url = isset($prop['url']);
$this->fld_size = isset($prop['size']);
$this->fld_sha1 = isset($prop['sha1']);
$this->fld_metadata = isset($prop['metadata']);
if($params['urlheight'] != -1 && $params['urlwidth'] == -1)
$this->dieUsage("iiurlheight cannot be used without iiurlwidth", 'iiurlwidth');
$this->scale = ($params['urlwidth'] != -1);
$this->urlwidth = $params['urlwidth'];
$this->urlheight = $params['urlheight'];
$pageIds = $this->getPageSet()->getAllTitlesByNamespace();
if (!empty($pageIds[NS_IMAGE])) {
foreach ($pageIds[NS_IMAGE] as $dbKey => $pageId) {
$title = Title :: makeTitle(NS_IMAGE, $dbKey);
$img = wfFindFile($title);
$data = array();
if ( !$img ) {
$repository = '';
} else {
$repository = $img->getRepoName();
// Get information about the current version first
// Check that the current version is within the start-end boundaries
if((is_null($params['start']) || $img->getTimestamp() <= $params['start']) &&
(is_null($params['end']) || $img->getTimestamp() >= $params['end'])) {
$data[] = $this->getInfo($img);
}
// Now get the old revisions
// Get one more to facilitate query-continue functionality
$count = count($data);
$oldies = $img->getHistory($params['limit'] - $count + 1, $params['start'], $params['end']);
foreach($oldies as $oldie) {
if(++$count > $params['limit']) {
// We've reached the extra one which shows that there are additional pages to be had. Stop here...
// Only set a query-continue if there was only one title
if(count($pageIds[NS_IMAGE]) == 1)
$this->setContinueEnumParameter('start', $oldie->getTimestamp());
break;
}
$data[] = $this->getInfo($oldie);
}
}
$this->getResult()->addValue(array(
'query', 'pages', intval($pageId)),
'imagerepository', $repository
);
if (!empty($data))
$this->addPageSubItems($pageId, $data);
}
}
}
/**
* Get result information for an image revision
* @param File f The image
* @return array Result array
*/
protected function getInfo($f) {
$vals = array();
if($this->fld_timestamp)
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $f->getTimestamp());
if($this->fld_user) {
$vals['user'] = $f->getUser();
if(!$f->getUser('id'))
$vals['anon'] = '';
}
if($this->fld_size) {
$vals['size'] = intval($f->getSize());
$vals['width'] = intval($f->getWidth());
$vals['height'] = intval($f->getHeight());
}
if($this->fld_url) {
if($this->scale && !$f->isOld()) {
$thumb = $f->getThumbnail($this->urlwidth, $this->urlheight);
if($thumb)
{
$vals['thumburl'] = $thumb->getURL();
$vals['thumbwidth'] = $thumb->getWidth();
$vals['thumbheight'] = $thumb->getHeight();
}
}
$vals['url'] = $f->getURL();
}
if($this->fld_comment)
$vals['comment'] = $f->getDescription();
if($this->fld_sha1)
$vals['sha1'] = wfBaseConvert($f->getSha1(), 36, 16, 40);
if($this->fld_metadata) {
$metadata = unserialize($f->getMetadata());
$vals['metadata'] = $metadata ? $metadata : null;
$this->getResult()->setIndexedTagName_recursive($vals['metadata'], 'meta');
}
return $vals;
}
public function getAllowedParams() {
return array (
'prop' => array (
ApiBase :: PARAM_ISMULTI => true,
ApiBase :: PARAM_DFLT => 'timestamp|user',
ApiBase :: PARAM_TYPE => array (
'timestamp',
'user',
'comment',
'url',
'size',
'sha1',
'metadata'
)
),
'limit' => array(
ApiBase :: PARAM_TYPE => 'limit',
ApiBase :: PARAM_DFLT => 1,
ApiBase :: PARAM_MIN => 1,
ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
),
'start' => array(
ApiBase :: PARAM_TYPE => 'timestamp'
),
'end' => array(
ApiBase :: PARAM_TYPE => 'timestamp'
),
'urlwidth' => array(
ApiBase :: PARAM_TYPE => 'integer',
ApiBase :: PARAM_DFLT => -1
),
'urlheight' => array(
ApiBase :: PARAM_TYPE => 'integer',
ApiBase :: PARAM_DFLT => -1
)
);
}
public function getParamDescription() {
return array (
'prop' => 'What image information to get.',
'limit' => 'How many image revisions to return',
'start' => 'Timestamp to start listing from',
'end' => 'Timestamp to stop listing at',
'urlwidth' => 'If iiprop=url is set, a URL to an image scaled to this width will be returned. Only the current version of the image can be scaled.',
'urlheight' => 'Similar to iiurlwidth. Cannot be used without iiurlwidth',
);
}
public function getDescription() {
return array (
'Returns image information and upload history'
);
}
protected function getExamples() {
return array (
'api.php?action=query&titles=Image:Albert%20Einstein%20Head.jpg&prop=imageinfo',
'api.php?action=query&titles=Image:Test.jpg&prop=imageinfo&iilimit=50&iiend=20071231235959&iiprop=timestamp|user|url',
);
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiQueryImageInfo.php 30665 2008-02-07 12:21:48Z catrope $';
}
}
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