<?php
-
-/*
- * Created on May 12, 2007
+/**
*
- * API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on May 12, 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");
-}
-
/**
* A query module to list all wiki links on a given set of pages.
- *
- * @addtogroup API
+ *
+ * @ingroup API
*/
class ApiQueryLinks extends ApiQueryGeneratorBase {
const LINKS = 'links';
const TEMPLATES = 'templates';
- private $table, $prefix, $description;
+ private $table, $prefix, $titlesParam, $helpUrl;
- public function __construct($query, $moduleName) {
-
- switch ($moduleName) {
- case self::LINKS :
+ public function __construct( ApiQuery $query, $moduleName ) {
+ switch ( $moduleName ) {
+ case self::LINKS:
$this->table = 'pagelinks';
$this->prefix = 'pl';
- $this->description = 'link';
+ $this->titlesParam = 'titles';
+ $this->helpUrl = 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Links';
break;
- case self::TEMPLATES :
+ case self::TEMPLATES:
$this->table = 'templatelinks';
$this->prefix = 'tl';
- $this->description = 'template';
+ $this->titlesParam = 'templates';
+ $this->helpUrl = 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Templates';
break;
- default :
- ApiBase :: dieDebug(__METHOD__, 'Unknown module name');
+ default:
+ ApiBase::dieDebug( __METHOD__, 'Unknown module name' );
}
- parent :: __construct($query, $moduleName, $this->prefix);
+ parent::__construct( $query, $moduleName, $this->prefix );
}
public function execute() {
$this->run();
}
- public function executeGenerator($resultPageSet) {
- $this->run($resultPageSet);
+ public function getCacheMode( $params ) {
+ return 'public';
}
- private function run($resultPageSet = null) {
+ public function executeGenerator( $resultPageSet ) {
+ $this->run( $resultPageSet );
+ }
- if ($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
+ }
$params = $this->extractRequestParams();
- $this->addFields(array (
- $this->prefix . '_from pl_from',
- $this->prefix . '_namespace pl_namespace',
- $this->prefix . '_title pl_title'
- ));
-
- $this->addTables($this->table);
- $this->addWhereFld($this->prefix . '_from', array_keys($this->getPageSet()->getGoodTitles()));
- $this->addWhereFld($this->prefix . '_namespace', $params['namespace']);
- $this->addOption('ORDER BY', str_replace('pl_', $this->prefix . '_', 'pl_from, pl_namespace, pl_title'));
-
- $db = $this->getDB();
- $res = $this->select(__METHOD__);
-
- if (is_null($resultPageSet)) {
-
- $data = array();
- $lastId = 0; // database has no ID 0
- while ($row = $db->fetchObject($res)) {
- if ($lastId != $row->pl_from) {
- if($lastId != 0) {
- $this->addPageSubItems($lastId, $data);
- $data = array();
- }
- $lastId = $row->pl_from;
+ $this->addFields( [
+ 'pl_from' => $this->prefix . '_from',
+ 'pl_namespace' => $this->prefix . '_namespace',
+ 'pl_title' => $this->prefix . '_title'
+ ] );
+
+ $this->addTables( $this->table );
+ $this->addWhereFld( $this->prefix . '_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
+ $this->addWhereFld( $this->prefix . '_namespace', $params['namespace'] );
+
+ if ( !is_null( $params[$this->titlesParam] ) ) {
+ $lb = new LinkBatch;
+ foreach ( $params[$this->titlesParam] as $t ) {
+ $title = Title::newFromText( $t );
+ if ( !$title ) {
+ $this->addWarning( [ 'apiwarn-invalidtitle', wfEscapeWikiText( $t ) ] );
+ } else {
+ $lb->addObj( $title );
}
-
- $vals = array();
- ApiQueryBase :: addTitleInfo($vals, Title :: makeTitle($row->pl_namespace, $row->pl_title));
- $data[] = $vals;
- }
-
- if($lastId != 0) {
- $this->addPageSubItems($lastId, $data);
}
-
- } else {
-
- $titles = array();
- while ($row = $db->fetchObject($res)) {
- $titles[] = Title :: makeTitle($row->pl_namespace, $row->pl_title);
+ $cond = $lb->constructSet( $this->prefix, $this->getDB() );
+ if ( $cond ) {
+ $this->addWhere( $cond );
}
- $resultPageSet->populateFromTitles($titles);
}
- $db->freeResult($res);
- }
-
- protected function getAllowedParams()
- {
- return array(
- 'namespace' => array(
- ApiBase :: PARAM_TYPE => 'namespace',
- ApiBase :: PARAM_ISMULTI => true
- )
+ if ( !is_null( $params['continue'] ) ) {
+ $cont = explode( '|', $params['continue'] );
+ $this->dieContinueUsageIf( count( $cont ) != 3 );
+ $op = $params['dir'] == 'descending' ? '<' : '>';
+ $plfrom = intval( $cont[0] );
+ $plns = intval( $cont[1] );
+ $pltitle = $this->getDB()->addQuotes( $cont[2] );
+ $this->addWhere(
+ "{$this->prefix}_from $op $plfrom OR " .
+ "({$this->prefix}_from = $plfrom AND " .
+ "({$this->prefix}_namespace $op $plns OR " .
+ "({$this->prefix}_namespace = $plns AND " .
+ "{$this->prefix}_title $op= $pltitle)))"
);
- }
+ }
- protected function getParamDescription()
- {
- return array(
- 'namespace' => "Show {$this->description}s in this namespace(s) only"
- );
+ $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
+ // Here's some MySQL craziness going on: if you use WHERE foo='bar'
+ // and later ORDER BY foo MySQL doesn't notice the ORDER BY is pointless
+ // but instead goes and filesorts, because the index for foo was used
+ // already. To work around this, we drop constant fields in the WHERE
+ // clause from the ORDER BY clause
+ $order = [];
+ if ( count( $this->getPageSet()->getGoodTitles() ) != 1 ) {
+ $order[] = $this->prefix . '_from' . $sort;
+ }
+ if ( count( $params['namespace'] ) != 1 ) {
+ $order[] = $this->prefix . '_namespace' . $sort;
+ }
+
+ $order[] = $this->prefix . '_title' . $sort;
+ $this->addOption( 'ORDER BY', $order );
+ $this->addOption( 'LIMIT', $params['limit'] + 1 );
+
+ $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->pl_from}|{$row->pl_namespace}|{$row->pl_title}" );
+ break;
+ }
+ $vals = [];
+ ApiQueryBase::addTitleInfo( $vals, Title::makeTitle( $row->pl_namespace, $row->pl_title ) );
+ $fit = $this->addPageSubItem( $row->pl_from, $vals );
+ if ( !$fit ) {
+ $this->setContinueEnumParameter( 'continue',
+ "{$row->pl_from}|{$row->pl_namespace}|{$row->pl_title}" );
+ break;
+ }
+ }
+ } else {
+ $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->pl_from}|{$row->pl_namespace}|{$row->pl_title}" );
+ break;
+ }
+ $titles[] = Title::makeTitle( $row->pl_namespace, $row->pl_title );
+ }
+ $resultPageSet->populateFromTitles( $titles );
+ }
}
- protected function getDescription() {
- return "Returns all {$this->description}s from the given page(s)";
+ public function getAllowedParams() {
+ return [
+ 'namespace' => [
+ ApiBase::PARAM_TYPE => 'namespace',
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_EXTRA_NAMESPACES => [ NS_MEDIA, NS_SPECIAL ],
+ ],
+ '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',
+ ],
+ $this->titlesParam => [
+ ApiBase::PARAM_ISMULTI => true,
+ ],
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ ];
}
- protected function getExamples() {
- return array (
- "Get {$this->description}s from the [[Main Page]]:",
- " api.php?action=query&prop={$this->getModuleName()}&titles=Main%20Page",
- "Get information about the {$this->description} pages in the [[Main Page]]:",
- " api.php?action=query&generator={$this->getModuleName()}&titles=Main%20Page&prop=info",
- "Get {$this->description}s from the Main Page in the User and Template namespaces:",
- " api.php?action=query&prop={$this->getModuleName()}&titles=Main%20Page&{$this->prefix}namespace=2|10"
- );
+ protected function getExamplesMessages() {
+ $name = $this->getModuleName();
+ $path = $this->getModulePath();
+
+ return [
+ "action=query&prop={$name}&titles=Main%20Page"
+ => "apihelp-{$path}-example-simple",
+ "action=query&generator={$name}&titles=Main%20Page&prop=info"
+ => "apihelp-{$path}-example-generator",
+ "action=query&prop={$name}&titles=Main%20Page&{$this->prefix}namespace=2|10"
+ => "apihelp-{$path}-example-namespaces",
+ ];
}
- public function getVersion() {
- return __CLASS__ . ': $Id: ApiQueryLinks.php 24092 2007-07-14 19:04:31Z yurik $';
+ public function getHelpUrls() {
+ return $this->helpUrl;
}
}
-
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff