<?php
-
-/*
- * Created on May 13, 2007
+/**
*
- * API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on May 13, 2007
+ *
+ * Copyright © 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
*
* 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.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if (!defined('MEDIAWIKI')) {
- // Eclipse helper - will be ignored in production
- require_once ("ApiQueryBase.php");
-}
-
/**
- * This query adds <images> subelement to all pages with the list of images embedded into those pages.
- *
- * @addtogroup API
+ * This query adds an "<images>" subelement to all pages with the list of
+ * images embedded into those pages.
+ *
+ * @ingroup API
*/
class ApiQueryImages extends ApiQueryGeneratorBase {
- public function __construct($query, $moduleName) {
- parent :: __construct($query, $moduleName, 'im');
+ public function __construct( ApiQuery $query, $moduleName ) {
+ parent::__construct( $query, $moduleName, 'im' );
}
public function execute() {
$this->run();
}
- public function executeGenerator($resultPageSet) {
- $this->run($resultPageSet);
+ public function executeGenerator( $resultPageSet ) {
+ $this->run( $resultPageSet );
}
- private function run($resultPageSet = null) {
-
- if ($this->getPageSet()->getGoodTitleCount() == 0)
- return; // nothing to do
+ /**
+ * @param ApiPageSet $resultPageSet
+ */
+ private function run( $resultPageSet = null ) {
+ if ( $this->getPageSet()->getGoodTitleCount() == 0 ) {
+ return; // nothing to do
+ }
- $this->addFields(array (
+ $params = $this->extractRequestParams();
+ $this->addFields( [
'il_from',
'il_to'
- ));
-
- $this->addTables('imagelinks');
- $this->addWhereFld('il_from', array_keys($this->getPageSet()->getGoodTitles()));
- $this->addOption('ORDER BY', "il_from, il_to");
-
- $db = $this->getDB();
- $res = $this->select(__METHOD__);
+ ] );
+
+ $this->addTables( 'imagelinks' );
+ $this->addWhereFld( 'il_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
+ if ( !is_null( $params['continue'] ) ) {
+ $cont = explode( '|', $params['continue'] );
+ $this->dieContinueUsageIf( count( $cont ) != 2 );
+ $op = $params['dir'] == 'descending' ? '<' : '>';
+ $ilfrom = intval( $cont[0] );
+ $ilto = $this->getDB()->addQuotes( $cont[1] );
+ $this->addWhere(
+ "il_from $op $ilfrom OR " .
+ "(il_from = $ilfrom AND " .
+ "il_to $op= $ilto)"
+ );
+ }
- if (is_null($resultPageSet)) {
-
- $data = array();
- $lastId = 0; // database has no ID 0
- while ($row = $db->fetchObject($res)) {
- if ($lastId != $row->il_from) {
- if($lastId != 0) {
- $this->addPageSubItems($lastId, $data);
- $data = array();
- }
- $lastId = $row->il_from;
+ $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
+ // Don't order by il_from if it's constant in the WHERE clause
+ if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
+ $this->addOption( 'ORDER BY', 'il_to' . $sort );
+ } else {
+ $this->addOption( 'ORDER BY', [
+ 'il_from' . $sort,
+ 'il_to' . $sort
+ ] );
+ }
+ $this->addOption( 'LIMIT', $params['limit'] + 1 );
+
+ if ( !is_null( $params['images'] ) ) {
+ $images = [];
+ foreach ( $params['images'] as $img ) {
+ $title = Title::newFromText( $img );
+ if ( !$title || $title->getNamespace() != NS_FILE ) {
+ $this->addWarning( [ 'apiwarn-notfile', wfEscapeWikiText( $img ) ] );
+ } else {
+ $images[] = $title->getDBkey();
}
-
- $vals = array();
- ApiQueryBase :: addTitleInfo($vals, Title :: makeTitle(NS_IMAGE, $row->il_to));
- $data[] = $vals;
}
+ $this->addWhereFld( 'il_to', $images );
+ }
- if($lastId != 0) {
- $this->addPageSubItems($lastId, $data);
- }
+ $res = $this->select( __METHOD__ );
+ if ( is_null( $resultPageSet ) ) {
+ $count = 0;
+ foreach ( $res as $row ) {
+ if ( ++$count > $params['limit'] ) {
+ // We've reached the one extra which shows that
+ // there are additional pages to be had. Stop here...
+ $this->setContinueEnumParameter( 'continue', $row->il_from . '|' . $row->il_to );
+ break;
+ }
+ $vals = [];
+ ApiQueryBase::addTitleInfo( $vals, Title::makeTitle( NS_FILE, $row->il_to ) );
+ $fit = $this->addPageSubItem( $row->il_from, $vals );
+ if ( !$fit ) {
+ $this->setContinueEnumParameter( 'continue', $row->il_from . '|' . $row->il_to );
+ break;
+ }
+ }
} else {
-
- $titles = array();
- while ($row = $db->fetchObject($res)) {
- $titles[] = Title :: makeTitle(NS_IMAGE, $row->il_to);
+ $titles = [];
+ $count = 0;
+ foreach ( $res as $row ) {
+ if ( ++$count > $params['limit'] ) {
+ // We've reached the one extra which shows that
+ // there are additional pages to be had. Stop here...
+ $this->setContinueEnumParameter( 'continue', $row->il_from . '|' . $row->il_to );
+ break;
+ }
+ $titles[] = Title::makeTitle( NS_FILE, $row->il_to );
}
- $resultPageSet->populateFromTitles($titles);
+ $resultPageSet->populateFromTitles( $titles );
}
+ }
- $db->freeResult($res);
+ public function getCacheMode( $params ) {
+ return 'public';
}
- protected function getDescription() {
- return 'Returns all images contained on the given page(s)';
+ public function getAllowedParams() {
+ return [
+ 'limit' => [
+ ApiBase::PARAM_DFLT => 10,
+ ApiBase::PARAM_TYPE => 'limit',
+ ApiBase::PARAM_MIN => 1,
+ ApiBase::PARAM_MAX => ApiBase::LIMIT_BIG1,
+ ApiBase::PARAM_MAX2 => ApiBase::LIMIT_BIG2
+ ],
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ 'images' => [
+ ApiBase::PARAM_ISMULTI => true,
+ ],
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ ];
}
- protected function getExamples() {
- return array (
- "Get a list of images used in the [[Main Page]]:",
- " api.php?action=query&prop=images&titles=Main%20Page",
- "Get information about all images used in the [[Main Page]]:",
- " api.php?action=query&generator=images&titles=Main%20Page&prop=info"
- );
+ protected function getExamplesMessages() {
+ return [
+ 'action=query&prop=images&titles=Main%20Page'
+ => 'apihelp-query+images-example-simple',
+ 'action=query&generator=images&titles=Main%20Page&prop=info'
+ => 'apihelp-query+images-example-generator',
+ ];
}
- public function getVersion() {
- return __CLASS__ . ': $Id: ApiQueryImages.php 24092 2007-07-14 19:04:31Z yurik $';
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Images';
}
}
-
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff