<?php
/**
- * API for MediaWiki 1.8+
+ *
*
* Created on May 13, 2007
*
- * Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * 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
* @file
*/
-if ( !defined( 'MEDIAWIKI' ) ) {
- // Eclipse helper - will be ignored in production
- require_once( "ApiQueryBase.php" );
-}
-
/**
- * A query module to list all langlinks (links to correspanding foreign language pages).
+ * A query module to list all langlinks (links to corresponding foreign language pages).
*
* @ingroup API
*/
class ApiQueryLangLinks extends ApiQueryBase {
- public function __construct( $query, $moduleName ) {
+ public function __construct( ApiQuery $query, $moduleName ) {
parent::__construct( $query, $moduleName, 'll' );
}
}
$params = $this->extractRequestParams();
- $this->addFields( array(
+ $prop = array_flip( (array)$params['prop'] );
+
+ if ( isset( $params['title'] ) && !isset( $params['lang'] ) ) {
+ $this->dieWithError(
+ [
+ 'apierror-invalidparammix-mustusewith',
+ $this->encodeParamName( 'title' ),
+ $this->encodeParamName( 'lang' ),
+ ],
+ 'invalidparammix'
+ );
+ }
+
+ // Handle deprecated param
+ $this->requireMaxOneParameter( $params, 'url', 'prop' );
+ if ( $params['url'] ) {
+ $prop = [ 'url' => 1 ];
+ }
+
+ $this->addFields( [
'll_from',
'll_lang',
'll_title'
- ) );
+ ] );
$this->addTables( 'langlinks' );
$this->addWhereFld( 'll_from', array_keys( $this->getPageSet()->getGoodTitles() ) );
if ( !is_null( $params['continue'] ) ) {
$cont = explode( '|', $params['continue'] );
- if ( count( $cont ) != 2 ) {
- $this->dieUsage( 'Invalid continue param. You should pass the ' .
- 'original value returned by the previous query', '_badcontinue' );
- }
+ $this->dieContinueUsageIf( count( $cont ) != 2 );
+ $op = $params['dir'] == 'descending' ? '<' : '>';
$llfrom = intval( $cont[0] );
- $lllang = $this->getDB()->strencode( $cont[1] );
+ $lllang = $this->getDB()->addQuotes( $cont[1] );
$this->addWhere(
- "ll_from > $llfrom OR " .
+ "ll_from $op $llfrom OR " .
"(ll_from = $llfrom AND " .
- "ll_lang >= '$lllang')"
+ "ll_lang $op= $lllang)"
);
}
- // Don't order by ll_from if it's constant in the WHERE clause
- if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
- $this->addOption( 'ORDER BY', 'll_lang' );
+ // FIXME: (follow-up) To allow extensions to add to the language links, we need
+ // to load them all, add the extra links, then apply paging.
+ // Should not be terrible, it's not going to be more than a few hundred links.
+
+ // Note that, since (ll_from, ll_lang) is a unique key, we don't need
+ // to sort by ll_title to ensure deterministic ordering.
+ $sort = ( $params['dir'] == 'descending' ? ' DESC' : '' );
+ if ( isset( $params['lang'] ) ) {
+ $this->addWhereFld( 'll_lang', $params['lang'] );
+ if ( isset( $params['title'] ) ) {
+ $this->addWhereFld( 'll_title', $params['title'] );
+ }
+ $this->addOption( 'ORDER BY', 'll_from' . $sort );
} else {
- $this->addOption( 'ORDER BY', 'll_from, ll_lang' );
+ // Don't order by ll_from if it's constant in the WHERE clause
+ if ( count( $this->getPageSet()->getGoodTitles() ) == 1 ) {
+ $this->addOption( 'ORDER BY', 'll_lang' . $sort );
+ } else {
+ $this->addOption( 'ORDER BY', [
+ 'll_from' . $sort,
+ 'll_lang' . $sort
+ ] );
+ }
}
+
$this->addOption( 'LIMIT', $params['limit'] + 1 );
$res = $this->select( __METHOD__ );
$this->setContinueEnumParameter( 'continue', "{$row->ll_from}|{$row->ll_lang}" );
break;
}
- $entry = array( 'lang' => $row->ll_lang );
- if ( $params['url'] ) {
+ $entry = [ 'lang' => $row->ll_lang ];
+ if ( isset( $prop['url'] ) ) {
$title = Title::newFromText( "{$row->ll_lang}:{$row->ll_title}" );
if ( $title ) {
- $entry['url'] = $title->getFullURL();
+ $entry['url'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
}
}
- ApiResult::setContent( $entry, $row->ll_title );
+ if ( isset( $prop['langname'] ) ) {
+ $entry['langname'] = Language::fetchLanguageName( $row->ll_lang, $params['inlanguagecode'] );
+ }
+ if ( isset( $prop['autonym'] ) ) {
+ $entry['autonym'] = Language::fetchLanguageName( $row->ll_lang );
+ }
+ ApiResult::setContentValue( $entry, 'title', $row->ll_title );
$fit = $this->addPageSubItem( $row->ll_from, $entry );
if ( !$fit ) {
$this->setContinueEnumParameter( 'continue', "{$row->ll_from}|{$row->ll_lang}" );
}
public function getAllowedParams() {
- return array(
- 'limit' => array(
+ global $wgContLang;
+ return [
+ 'prop' => [
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => [
+ 'url',
+ 'langname',
+ 'autonym',
+ ],
+ ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+ ],
+ 'lang' => null,
+ 'title' => null,
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ 'inlanguagecode' => $wgContLang->getCode(),
+ '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' => null,
- 'url' => false,
- );
- }
-
- public function getParamDescription() {
- return array(
- 'limit' => 'How many langlinks to return',
- 'continue' => 'When more results are available, use this to continue',
- 'url' => 'Whether to get the full URL',
- );
- }
-
- public function getDescription() {
- return 'Returns all interlanguage links from the given page(s)';
- }
-
- public function getPossibleErrors() {
- return array_merge( parent::getPossibleErrors(), array(
- array( 'code' => '_badcontinue', 'info' => 'Invalid continue param. You should pass the original value returned by the previous query' ),
- ) );
+ ],
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ 'url' => [
+ ApiBase::PARAM_DFLT => false,
+ ApiBase::PARAM_DEPRECATED => true,
+ ],
+ ];
}
- protected function getExamples() {
- return array(
- 'Get interlanguage links from the [[Main Page]]:',
- ' api.php?action=query&prop=langlinks&titles=Main%20Page&redirects=',
- );
+ protected function getExamplesMessages() {
+ return [
+ 'action=query&prop=langlinks&titles=Main%20Page&redirects='
+ => 'apihelp-query+langlinks-example-simple',
+ ];
}
- public function getVersion() {
- return __CLASS__ . ': $Id$';
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Langlinks';
}
}