--- /dev/null
+<?php
+/**
+ * API for MediaWiki 1.17+
+ *
+ * Created on May 14, 2011
+ *
+ * Copyright © 2011 Sam Reed
+ * 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
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * This gives links pointing to the given interwiki
+ * @ingroup API
+ */
+class ApiQueryLangBacklinks extends ApiQueryGeneratorBase {
+
+ public function __construct( ApiQuery $query, $moduleName ) {
+ parent::__construct( $query, $moduleName, 'lbl' );
+ }
+
+ public function execute() {
+ $this->run();
+ }
+
+ public function executeGenerator( $resultPageSet ) {
+ $this->run( $resultPageSet );
+ }
+
+ /**
+ * @param ApiPageSet $resultPageSet
+ * @return void
+ */
+ public function run( $resultPageSet = null ) {
+ $params = $this->extractRequestParams();
+
+ if ( isset( $params['title'] ) && !isset( $params['lang'] ) ) {
+ $this->dieWithError(
+ [
+ 'apierror-invalidparammix-mustusewith',
+ $this->encodeParamName( 'title' ),
+ $this->encodeParamName( 'lang' )
+ ],
+ 'nolang'
+ );
+ }
+
+ if ( !is_null( $params['continue'] ) ) {
+ $cont = explode( '|', $params['continue'] );
+ $this->dieContinueUsageIf( count( $cont ) != 3 );
+
+ $db = $this->getDB();
+ $op = $params['dir'] == 'descending' ? '<' : '>';
+ $prefix = $db->addQuotes( $cont[0] );
+ $title = $db->addQuotes( $cont[1] );
+ $from = intval( $cont[2] );
+ $this->addWhere(
+ "ll_lang $op $prefix OR " .
+ "(ll_lang = $prefix AND " .
+ "(ll_title $op $title OR " .
+ "(ll_title = $title AND " .
+ "ll_from $op= $from)))"
+ );
+ }
+
+ $prop = array_flip( $params['prop'] );
+ $lllang = isset( $prop['lllang'] );
+ $lltitle = isset( $prop['lltitle'] );
+
+ $this->addTables( [ 'langlinks', 'page' ] );
+ $this->addWhere( 'll_from = page_id' );
+
+ $this->addFields( [ 'page_id', 'page_title', 'page_namespace', 'page_is_redirect',
+ 'll_from', 'll_lang', 'll_title' ] );
+
+ $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_title' . $sort,
+ 'll_from' . $sort
+ ] );
+ }
+ } else {
+ $this->addOption( 'ORDER BY', [
+ 'll_lang' . $sort,
+ 'll_title' . $sort,
+ 'll_from' . $sort
+ ] );
+ }
+
+ $this->addOption( 'LIMIT', $params['limit'] + 1 );
+
+ $res = $this->select( __METHOD__ );
+
+ $pages = [];
+
+ $count = 0;
+ $result = $this->getResult();
+ 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... Continue string
+ // preserved in case the redirect query doesn't pass the limit.
+ $this->setContinueEnumParameter(
+ 'continue',
+ "{$row->ll_lang}|{$row->ll_title}|{$row->ll_from}"
+ );
+ break;
+ }
+
+ if ( !is_null( $resultPageSet ) ) {
+ $pages[] = Title::newFromRow( $row );
+ } else {
+ $entry = [ 'pageid' => (int)$row->page_id ];
+
+ $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+ ApiQueryBase::addTitleInfo( $entry, $title );
+
+ if ( $row->page_is_redirect ) {
+ $entry['redirect'] = true;
+ }
+
+ if ( $lllang ) {
+ $entry['lllang'] = $row->ll_lang;
+ }
+
+ if ( $lltitle ) {
+ $entry['lltitle'] = $row->ll_title;
+ }
+
+ $fit = $result->addValue( [ 'query', $this->getModuleName() ], null, $entry );
+ if ( !$fit ) {
+ $this->setContinueEnumParameter(
+ 'continue',
+ "{$row->ll_lang}|{$row->ll_title}|{$row->ll_from}"
+ );
+ break;
+ }
+ }
+ }
+
+ if ( is_null( $resultPageSet ) ) {
+ $result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'll' );
+ } else {
+ $resultPageSet->populateFromTitles( $pages );
+ }
+ }
+
+ public function getCacheMode( $params ) {
+ return 'public';
+ }
+
+ public function getAllowedParams() {
+ return [
+ 'lang' => null,
+ 'title' => null,
+ 'continue' => [
+ ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
+ ],
+ '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
+ ],
+ 'prop' => [
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_DFLT => '',
+ ApiBase::PARAM_TYPE => [
+ 'lllang',
+ 'lltitle',
+ ],
+ ApiBase::PARAM_HELP_MSG_PER_VALUE => [],
+ ],
+ 'dir' => [
+ ApiBase::PARAM_DFLT => 'ascending',
+ ApiBase::PARAM_TYPE => [
+ 'ascending',
+ 'descending'
+ ]
+ ],
+ ];
+ }
+
+ protected function getExamplesMessages() {
+ return [
+ 'action=query&list=langbacklinks&lbltitle=Test&lbllang=fr'
+ => 'apihelp-query+langbacklinks-example-simple',
+ 'action=query&generator=langbacklinks&glbltitle=Test&glbllang=fr&prop=info'
+ => 'apihelp-query+langbacklinks-example-generator',
+ ];
+ }
+
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Langbacklinks';
+ }
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff