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https://github.com/YunoHost-Apps/mediawiki_ynh.git
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1093 lines
32 KiB
PHP
1093 lines
32 KiB
PHP
<?php
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/**
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*
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*
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* Created on Sep 24, 2006
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*
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* Copyright © 2006, 2013 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* This class contains a list of pages that the client has requested.
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* Initially, when the client passes in titles=, pageids=, or revisions=
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* parameter, an instance of the ApiPageSet class will normalize titles,
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* determine if the pages/revisions exist, and prefetch any additional page
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* data requested.
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*
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* When a generator is used, the result of the generator will become the input
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* for the second instance of this class, and all subsequent actions will use
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* the second instance for all their work.
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*
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* @ingroup API
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* @since 1.21 derives from ApiBase instead of ApiQueryBase
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*/
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class ApiPageSet extends ApiBase {
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/**
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* Constructor flag: The new instance of ApiPageSet will ignore the 'generator=' parameter
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* @since 1.21
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*/
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const DISABLE_GENERATORS = 1;
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private $mDbSource;
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private $mParams;
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private $mResolveRedirects;
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private $mConvertTitles;
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private $mAllowGenerator;
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private $mAllPages = array(); // [ns][dbkey] => page_id or negative when missing
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private $mTitles = array();
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private $mGoodTitles = array();
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private $mMissingTitles = array();
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private $mInvalidTitles = array();
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private $mMissingPageIDs = array();
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private $mRedirectTitles = array();
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private $mSpecialTitles = array();
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private $mNormalizedTitles = array();
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private $mInterwikiTitles = array();
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private $mPendingRedirectIDs = array();
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private $mConvertedTitles = array();
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private $mGoodRevIDs = array();
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private $mMissingRevIDs = array();
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private $mFakePageId = -1;
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private $mCacheMode = 'public';
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private $mRequestedPageFields = array();
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/**
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* @var int
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*/
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private $mDefaultNamespace = NS_MAIN;
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/**
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* Constructor
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* @param $dbSource ApiBase Module implementing getDB().
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* Allows PageSet to reuse existing db connection from the shared state like ApiQuery.
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* @param int $flags Zero or more flags like DISABLE_GENERATORS
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* @param int $defaultNamespace the namespace to use if none is specified by a prefix.
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* @since 1.21 accepts $flags instead of two boolean values
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*/
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public function __construct( ApiBase $dbSource, $flags = 0, $defaultNamespace = NS_MAIN ) {
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parent::__construct( $dbSource->getMain(), $dbSource->getModuleName() );
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$this->mDbSource = $dbSource;
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$this->mAllowGenerator = ( $flags & ApiPageSet::DISABLE_GENERATORS ) == 0;
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$this->mDefaultNamespace = $defaultNamespace;
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$this->profileIn();
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$this->mParams = $this->extractRequestParams();
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$this->mResolveRedirects = $this->mParams['redirects'];
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$this->mConvertTitles = $this->mParams['converttitles'];
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$this->profileOut();
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}
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/**
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* In case execute() is not called, call this method to mark all relevant parameters as used
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* This prevents unused parameters from being reported as warnings
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*/
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public function executeDryRun() {
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$this->executeInternal( true );
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}
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/**
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* Populate the PageSet from the request parameters.
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*/
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public function execute() {
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$this->executeInternal( false );
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}
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/**
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* Populate the PageSet from the request parameters.
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* @param bool $isDryRun If true, instantiates generator, but only to mark relevant parameters as used
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*/
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private function executeInternal( $isDryRun ) {
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$this->profileIn();
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$generatorName = $this->mAllowGenerator ? $this->mParams['generator'] : null;
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if ( isset( $generatorName ) ) {
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$dbSource = $this->mDbSource;
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$isQuery = $dbSource instanceof ApiQuery;
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if ( !$isQuery ) {
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// If the parent container of this pageset is not ApiQuery, we must create it to run generator
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$dbSource = $this->getMain()->getModuleManager()->getModule( 'query' );
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// Enable profiling for query module because it will be used for db sql profiling
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$dbSource->profileIn();
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}
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$generator = $dbSource->getModuleManager()->getModule( $generatorName, null, true );
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if ( $generator === null ) {
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$this->dieUsage( 'Unknown generator=' . $generatorName, 'badgenerator' );
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}
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if ( !$generator instanceof ApiQueryGeneratorBase ) {
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$this->dieUsage( "Module $generatorName cannot be used as a generator", 'badgenerator' );
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}
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// Create a temporary pageset to store generator's output,
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// add any additional fields generator may need, and execute pageset to populate titles/pageids
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$tmpPageSet = new ApiPageSet( $dbSource, ApiPageSet::DISABLE_GENERATORS );
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$generator->setGeneratorMode( $tmpPageSet );
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$this->mCacheMode = $generator->getCacheMode( $generator->extractRequestParams() );
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if ( !$isDryRun ) {
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$generator->requestExtraData( $tmpPageSet );
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}
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$tmpPageSet->executeInternal( $isDryRun );
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// populate this pageset with the generator output
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$this->profileOut();
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$generator->profileIn();
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if ( !$isDryRun ) {
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$generator->executeGenerator( $this );
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wfRunHooks( 'APIQueryGeneratorAfterExecute', array( &$generator, &$this ) );
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} else {
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// Prevent warnings from being reported on these parameters
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$main = $this->getMain();
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foreach ( $generator->extractRequestParams() as $paramName => $param ) {
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$main->getVal( $generator->encodeParamName( $paramName ) );
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}
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}
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$generator->profileOut();
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$this->profileIn();
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if ( !$isDryRun ) {
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$this->resolvePendingRedirects();
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}
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if ( !$isQuery ) {
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// If this pageset is not part of the query, we called profileIn() above
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$dbSource->profileOut();
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}
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} else {
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// Only one of the titles/pageids/revids is allowed at the same time
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$dataSource = null;
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if ( isset( $this->mParams['titles'] ) ) {
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$dataSource = 'titles';
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}
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if ( isset( $this->mParams['pageids'] ) ) {
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if ( isset( $dataSource ) ) {
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$this->dieUsage( "Cannot use 'pageids' at the same time as '$dataSource'", 'multisource' );
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}
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$dataSource = 'pageids';
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}
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if ( isset( $this->mParams['revids'] ) ) {
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if ( isset( $dataSource ) ) {
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$this->dieUsage( "Cannot use 'revids' at the same time as '$dataSource'", 'multisource' );
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}
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$dataSource = 'revids';
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}
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if ( !$isDryRun ) {
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// Populate page information with the original user input
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switch ( $dataSource ) {
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case 'titles':
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$this->initFromTitles( $this->mParams['titles'] );
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break;
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case 'pageids':
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$this->initFromPageIds( $this->mParams['pageids'] );
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break;
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case 'revids':
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if ( $this->mResolveRedirects ) {
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$this->setWarning( 'Redirect resolution cannot be used together with the revids= parameter. ' .
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'Any redirects the revids= point to have not been resolved.' );
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}
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$this->mResolveRedirects = false;
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$this->initFromRevIDs( $this->mParams['revids'] );
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break;
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default:
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// Do nothing - some queries do not need any of the data sources.
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break;
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}
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}
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}
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$this->profileOut();
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}
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/**
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* Check whether this PageSet is resolving redirects
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* @return bool
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*/
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public function isResolvingRedirects() {
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return $this->mResolveRedirects;
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}
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/**
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* Return the parameter name that is the source of data for this PageSet
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*
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* If multiple source parameters are specified (e.g. titles and pageids),
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* one will be named arbitrarily.
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*
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* @return string|null
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*/
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public function getDataSource() {
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if ( $this->mAllowGenerator && isset( $this->mParams['generator'] ) ) {
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return 'generator';
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}
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if ( isset( $this->mParams['titles'] ) ) {
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return 'titles';
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}
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if ( isset( $this->mParams['pageids'] ) ) {
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return 'pageids';
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}
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if ( isset( $this->mParams['revids'] ) ) {
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return 'revids';
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}
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return null;
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}
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/**
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* Request an additional field from the page table.
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* Must be called before execute()
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* @param string $fieldName Field name
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*/
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public function requestField( $fieldName ) {
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$this->mRequestedPageFields[$fieldName] = null;
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}
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/**
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* Get the value of a custom field previously requested through
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* requestField()
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* @param string $fieldName Field name
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* @return mixed Field value
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*/
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public function getCustomField( $fieldName ) {
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return $this->mRequestedPageFields[$fieldName];
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}
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/**
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* Get the fields that have to be queried from the page table:
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* the ones requested through requestField() and a few basic ones
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* we always need
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* @return array of field names
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*/
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public function getPageTableFields() {
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// Ensure we get minimum required fields
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// DON'T change this order
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$pageFlds = array(
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'page_namespace' => null,
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'page_title' => null,
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'page_id' => null,
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);
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if ( $this->mResolveRedirects ) {
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$pageFlds['page_is_redirect'] = null;
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}
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// only store non-default fields
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$this->mRequestedPageFields = array_diff_key( $this->mRequestedPageFields, $pageFlds );
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$pageFlds = array_merge( $pageFlds, $this->mRequestedPageFields );
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return array_keys( $pageFlds );
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}
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/**
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* Returns an array [ns][dbkey] => page_id for all requested titles.
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* page_id is a unique negative number in case title was not found.
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* Invalid titles will also have negative page IDs and will be in namespace 0
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* @return array
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*/
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public function getAllTitlesByNamespace() {
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return $this->mAllPages;
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}
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/**
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* All Title objects provided.
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* @return array of Title objects
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*/
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public function getTitles() {
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return $this->mTitles;
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}
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/**
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* Returns the number of unique pages (not revisions) in the set.
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* @return int
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*/
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public function getTitleCount() {
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return count( $this->mTitles );
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}
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/**
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* Title objects that were found in the database.
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* @return array page_id (int) => Title (obj)
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*/
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public function getGoodTitles() {
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return $this->mGoodTitles;
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}
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/**
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* Returns the number of found unique pages (not revisions) in the set.
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* @return int
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*/
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public function getGoodTitleCount() {
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return count( $this->mGoodTitles );
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}
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/**
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* Title objects that were NOT found in the database.
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* The array's index will be negative for each item
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* @return array of Title objects
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*/
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public function getMissingTitles() {
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return $this->mMissingTitles;
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}
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/**
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* Titles that were deemed invalid by Title::newFromText()
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* The array's index will be unique and negative for each item
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* @return array of strings (not Title objects)
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*/
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public function getInvalidTitles() {
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return $this->mInvalidTitles;
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}
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/**
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* Page IDs that were not found in the database
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* @return array of page IDs
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*/
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public function getMissingPageIDs() {
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return $this->mMissingPageIDs;
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}
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/**
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* Get a list of redirect resolutions - maps a title to its redirect
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* target, as an array of output-ready arrays
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* @return array
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*/
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public function getRedirectTitles() {
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return $this->mRedirectTitles;
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}
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/**
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* Get a list of redirect resolutions - maps a title to its redirect
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* target.
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* @param $result ApiResult
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* @return array of prefixed_title (string) => Title object
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* @since 1.21
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*/
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public function getRedirectTitlesAsResult( $result = null ) {
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$values = array();
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foreach ( $this->getRedirectTitles() as $titleStrFrom => $titleTo ) {
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$r = array(
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'from' => strval( $titleStrFrom ),
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'to' => $titleTo->getPrefixedText(),
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);
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if ( $titleTo->getFragment() !== '' ) {
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$r['tofragment'] = $titleTo->getFragment();
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}
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$values[] = $r;
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}
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if ( !empty( $values ) && $result ) {
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$result->setIndexedTagName( $values, 'r' );
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}
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return $values;
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}
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/**
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* Get a list of title normalizations - maps a title to its normalized
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* version.
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* @return array raw_prefixed_title (string) => prefixed_title (string)
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*/
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public function getNormalizedTitles() {
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return $this->mNormalizedTitles;
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}
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/**
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* Get a list of title normalizations - maps a title to its normalized
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* version in the form of result array.
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* @param $result ApiResult
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* @return array of raw_prefixed_title (string) => prefixed_title (string)
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* @since 1.21
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*/
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public function getNormalizedTitlesAsResult( $result = null ) {
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$values = array();
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foreach ( $this->getNormalizedTitles() as $rawTitleStr => $titleStr ) {
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$values[] = array(
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'from' => $rawTitleStr,
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'to' => $titleStr
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);
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}
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if ( !empty( $values ) && $result ) {
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$result->setIndexedTagName( $values, 'n' );
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}
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return $values;
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}
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/**
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* Get a list of title conversions - maps a title to its converted
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* version.
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* @return array raw_prefixed_title (string) => prefixed_title (string)
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*/
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public function getConvertedTitles() {
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return $this->mConvertedTitles;
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}
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/**
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* Get a list of title conversions - maps a title to its converted
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* version as a result array.
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* @param $result ApiResult
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* @return array of (from, to) strings
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* @since 1.21
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*/
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public function getConvertedTitlesAsResult( $result = null ) {
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$values = array();
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foreach ( $this->getConvertedTitles() as $rawTitleStr => $titleStr ) {
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$values[] = array(
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'from' => $rawTitleStr,
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'to' => $titleStr
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);
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}
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if ( !empty( $values ) && $result ) {
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$result->setIndexedTagName( $values, 'c' );
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}
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return $values;
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}
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/**
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* Get a list of interwiki titles - maps a title to its interwiki
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* prefix.
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* @return array raw_prefixed_title (string) => interwiki_prefix (string)
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*/
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public function getInterwikiTitles() {
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return $this->mInterwikiTitles;
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}
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/**
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* Get a list of interwiki titles - maps a title to its interwiki
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* prefix as result.
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* @param $result ApiResult
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* @param $iwUrl boolean
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* @return array raw_prefixed_title (string) => interwiki_prefix (string)
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* @since 1.21
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*/
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public function getInterwikiTitlesAsResult( $result = null, $iwUrl = false ) {
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$values = array();
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foreach ( $this->getInterwikiTitles() as $rawTitleStr => $interwikiStr ) {
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$item = array(
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'title' => $rawTitleStr,
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'iw' => $interwikiStr,
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);
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if ( $iwUrl ) {
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$title = Title::newFromText( $rawTitleStr );
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$item['url'] = $title->getFullURL( '', false, PROTO_CURRENT );
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}
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$values[] = $item;
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}
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if ( !empty( $values ) && $result ) {
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$result->setIndexedTagName( $values, 'i' );
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}
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return $values;
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}
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/**
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* Get the list of revision IDs (requested with the revids= parameter)
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* @return array revID (int) => pageID (int)
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*/
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public function getRevisionIDs() {
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return $this->mGoodRevIDs;
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}
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/**
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* Revision IDs that were not found in the database
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* @return array of revision IDs
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*/
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public function getMissingRevisionIDs() {
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return $this->mMissingRevIDs;
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}
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/**
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* Revision IDs that were not found in the database as result array.
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* @param $result ApiResult
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* @return array of revision IDs
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* @since 1.21
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*/
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public function getMissingRevisionIDsAsResult( $result = null ) {
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$values = array();
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foreach ( $this->getMissingRevisionIDs() as $revid ) {
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$values[$revid] = array(
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'revid' => $revid
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);
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}
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if ( !empty( $values ) && $result ) {
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$result->setIndexedTagName( $values, 'rev' );
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}
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return $values;
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|
}
|
|
|
|
/**
|
|
* Get the list of titles with negative namespace
|
|
* @return array Title
|
|
*/
|
|
public function getSpecialTitles() {
|
|
return $this->mSpecialTitles;
|
|
}
|
|
|
|
/**
|
|
* Returns the number of revisions (requested with revids= parameter).
|
|
* @return int Number of revisions.
|
|
*/
|
|
public function getRevisionCount() {
|
|
return count( $this->getRevisionIDs() );
|
|
}
|
|
|
|
/**
|
|
* Populate this PageSet from a list of Titles
|
|
* @param array $titles of Title objects
|
|
*/
|
|
public function populateFromTitles( $titles ) {
|
|
$this->profileIn();
|
|
$this->initFromTitles( $titles );
|
|
$this->profileOut();
|
|
}
|
|
|
|
/**
|
|
* Populate this PageSet from a list of page IDs
|
|
* @param array $pageIDs of page IDs
|
|
*/
|
|
public function populateFromPageIDs( $pageIDs ) {
|
|
$this->profileIn();
|
|
$this->initFromPageIds( $pageIDs );
|
|
$this->profileOut();
|
|
}
|
|
|
|
/**
|
|
* Populate this PageSet from a rowset returned from the database
|
|
* @param $db DatabaseBase object
|
|
* @param $queryResult ResultWrapper Query result object
|
|
*/
|
|
public function populateFromQueryResult( $db, $queryResult ) {
|
|
$this->profileIn();
|
|
$this->initFromQueryResult( $queryResult );
|
|
$this->profileOut();
|
|
}
|
|
|
|
/**
|
|
* Populate this PageSet from a list of revision IDs
|
|
* @param array $revIDs of revision IDs
|
|
*/
|
|
public function populateFromRevisionIDs( $revIDs ) {
|
|
$this->profileIn();
|
|
$this->initFromRevIDs( $revIDs );
|
|
$this->profileOut();
|
|
}
|
|
|
|
/**
|
|
* Extract all requested fields from the row received from the database
|
|
* @param $row Result row
|
|
*/
|
|
public function processDbRow( $row ) {
|
|
// Store Title object in various data structures
|
|
$title = Title::newFromRow( $row );
|
|
|
|
$pageId = intval( $row->page_id );
|
|
$this->mAllPages[$row->page_namespace][$row->page_title] = $pageId;
|
|
$this->mTitles[] = $title;
|
|
|
|
if ( $this->mResolveRedirects && $row->page_is_redirect == '1' ) {
|
|
$this->mPendingRedirectIDs[$pageId] = $title;
|
|
} else {
|
|
$this->mGoodTitles[$pageId] = $title;
|
|
}
|
|
|
|
foreach ( $this->mRequestedPageFields as $fieldName => &$fieldValues ) {
|
|
$fieldValues[$pageId] = $row->$fieldName;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Do not use, does nothing, will be removed
|
|
* @deprecated since 1.21
|
|
*/
|
|
public function finishPageSetGeneration() {
|
|
wfDeprecated( __METHOD__, '1.21' );
|
|
}
|
|
|
|
/**
|
|
* This method populates internal variables with page information
|
|
* based on the given array of title strings.
|
|
*
|
|
* Steps:
|
|
* #1 For each title, get data from `page` table
|
|
* #2 If page was not found in the DB, store it as missing
|
|
*
|
|
* Additionally, when resolving redirects:
|
|
* #3 If no more redirects left, stop.
|
|
* #4 For each redirect, get its target from the `redirect` table.
|
|
* #5 Substitute the original LinkBatch object with the new list
|
|
* #6 Repeat from step #1
|
|
*
|
|
* @param array $titles of Title objects or strings
|
|
*/
|
|
private function initFromTitles( $titles ) {
|
|
// Get validated and normalized title objects
|
|
$linkBatch = $this->processTitlesArray( $titles );
|
|
if ( $linkBatch->isEmpty() ) {
|
|
return;
|
|
}
|
|
|
|
$db = $this->getDB();
|
|
$set = $linkBatch->constructSet( 'page', $db );
|
|
|
|
// Get pageIDs data from the `page` table
|
|
$this->profileDBIn();
|
|
$res = $db->select( 'page', $this->getPageTableFields(), $set,
|
|
__METHOD__ );
|
|
$this->profileDBOut();
|
|
|
|
// Hack: get the ns:titles stored in array(ns => array(titles)) format
|
|
$this->initFromQueryResult( $res, $linkBatch->data, true ); // process Titles
|
|
|
|
// Resolve any found redirects
|
|
$this->resolvePendingRedirects();
|
|
}
|
|
|
|
/**
|
|
* Does the same as initFromTitles(), but is based on page IDs instead
|
|
* @param array $pageids of page IDs
|
|
*/
|
|
private function initFromPageIds( $pageids ) {
|
|
if ( !$pageids ) {
|
|
return;
|
|
}
|
|
|
|
$pageids = array_map( 'intval', $pageids ); // paranoia
|
|
$remaining = array_flip( $pageids );
|
|
|
|
$pageids = self::getPositiveIntegers( $pageids );
|
|
|
|
$res = null;
|
|
if ( !empty( $pageids ) ) {
|
|
$set = array(
|
|
'page_id' => $pageids
|
|
);
|
|
$db = $this->getDB();
|
|
|
|
// Get pageIDs data from the `page` table
|
|
$this->profileDBIn();
|
|
$res = $db->select( 'page', $this->getPageTableFields(), $set,
|
|
__METHOD__ );
|
|
$this->profileDBOut();
|
|
}
|
|
|
|
$this->initFromQueryResult( $res, $remaining, false ); // process PageIDs
|
|
|
|
// Resolve any found redirects
|
|
$this->resolvePendingRedirects();
|
|
}
|
|
|
|
/**
|
|
* Iterate through the result of the query on 'page' table,
|
|
* and for each row create and store title object and save any extra fields requested.
|
|
* @param $res ResultWrapper DB Query result
|
|
* @param array $remaining of either pageID or ns/title elements (optional).
|
|
* If given, any missing items will go to $mMissingPageIDs and $mMissingTitles
|
|
* @param bool $processTitles Must be provided together with $remaining.
|
|
* If true, treat $remaining as an array of [ns][title]
|
|
* If false, treat it as an array of [pageIDs]
|
|
*/
|
|
private function initFromQueryResult( $res, &$remaining = null, $processTitles = null ) {
|
|
if ( !is_null( $remaining ) && is_null( $processTitles ) ) {
|
|
ApiBase::dieDebug( __METHOD__, 'Missing $processTitles parameter when $remaining is provided' );
|
|
}
|
|
|
|
$usernames = array();
|
|
if ( $res ) {
|
|
foreach ( $res as $row ) {
|
|
$pageId = intval( $row->page_id );
|
|
|
|
// Remove found page from the list of remaining items
|
|
if ( isset( $remaining ) ) {
|
|
if ( $processTitles ) {
|
|
unset( $remaining[$row->page_namespace][$row->page_title] );
|
|
} else {
|
|
unset( $remaining[$pageId] );
|
|
}
|
|
}
|
|
|
|
// Store any extra fields requested by modules
|
|
$this->processDbRow( $row );
|
|
|
|
// Need gender information
|
|
if ( MWNamespace::hasGenderDistinction( $row->page_namespace ) ) {
|
|
$usernames[] = $row->page_title;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( isset( $remaining ) ) {
|
|
// Any items left in the $remaining list are added as missing
|
|
if ( $processTitles ) {
|
|
// The remaining titles in $remaining are non-existent pages
|
|
foreach ( $remaining as $ns => $dbkeys ) {
|
|
foreach ( array_keys( $dbkeys ) as $dbkey ) {
|
|
$title = Title::makeTitle( $ns, $dbkey );
|
|
$this->mAllPages[$ns][$dbkey] = $this->mFakePageId;
|
|
$this->mMissingTitles[$this->mFakePageId] = $title;
|
|
$this->mFakePageId--;
|
|
$this->mTitles[] = $title;
|
|
|
|
// need gender information
|
|
if ( MWNamespace::hasGenderDistinction( $ns ) ) {
|
|
$usernames[] = $dbkey;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// The remaining pageids do not exist
|
|
if ( !$this->mMissingPageIDs ) {
|
|
$this->mMissingPageIDs = array_keys( $remaining );
|
|
} else {
|
|
$this->mMissingPageIDs = array_merge( $this->mMissingPageIDs, array_keys( $remaining ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get gender information
|
|
$genderCache = GenderCache::singleton();
|
|
$genderCache->doQuery( $usernames, __METHOD__ );
|
|
}
|
|
|
|
/**
|
|
* Does the same as initFromTitles(), but is based on revision IDs
|
|
* instead
|
|
* @param array $revids of revision IDs
|
|
*/
|
|
private function initFromRevIDs( $revids ) {
|
|
if ( !$revids ) {
|
|
return;
|
|
}
|
|
|
|
$revids = array_map( 'intval', $revids ); // paranoia
|
|
$db = $this->getDB();
|
|
$pageids = array();
|
|
$remaining = array_flip( $revids );
|
|
|
|
$revids = self::getPositiveIntegers( $revids );
|
|
|
|
if ( !empty( $revids ) ) {
|
|
$tables = array( 'revision', 'page' );
|
|
$fields = array( 'rev_id', 'rev_page' );
|
|
$where = array( 'rev_id' => $revids, 'rev_page = page_id' );
|
|
|
|
// Get pageIDs data from the `page` table
|
|
$this->profileDBIn();
|
|
$res = $db->select( $tables, $fields, $where, __METHOD__ );
|
|
foreach ( $res as $row ) {
|
|
$revid = intval( $row->rev_id );
|
|
$pageid = intval( $row->rev_page );
|
|
$this->mGoodRevIDs[$revid] = $pageid;
|
|
$pageids[$pageid] = '';
|
|
unset( $remaining[$revid] );
|
|
}
|
|
$this->profileDBOut();
|
|
}
|
|
|
|
$this->mMissingRevIDs = array_keys( $remaining );
|
|
|
|
// Populate all the page information
|
|
$this->initFromPageIds( array_keys( $pageids ) );
|
|
}
|
|
|
|
/**
|
|
* Resolve any redirects in the result if redirect resolution was
|
|
* requested. This function is called repeatedly until all redirects
|
|
* have been resolved.
|
|
*/
|
|
private function resolvePendingRedirects() {
|
|
if ( $this->mResolveRedirects ) {
|
|
$db = $this->getDB();
|
|
$pageFlds = $this->getPageTableFields();
|
|
|
|
// Repeat until all redirects have been resolved
|
|
// The infinite loop is prevented by keeping all known pages in $this->mAllPages
|
|
while ( $this->mPendingRedirectIDs ) {
|
|
// Resolve redirects by querying the pagelinks table, and repeat the process
|
|
// Create a new linkBatch object for the next pass
|
|
$linkBatch = $this->getRedirectTargets();
|
|
|
|
if ( $linkBatch->isEmpty() ) {
|
|
break;
|
|
}
|
|
|
|
$set = $linkBatch->constructSet( 'page', $db );
|
|
if ( $set === false ) {
|
|
break;
|
|
}
|
|
|
|
// Get pageIDs data from the `page` table
|
|
$this->profileDBIn();
|
|
$res = $db->select( 'page', $pageFlds, $set, __METHOD__ );
|
|
$this->profileDBOut();
|
|
|
|
// Hack: get the ns:titles stored in array(ns => array(titles)) format
|
|
$this->initFromQueryResult( $res, $linkBatch->data, true );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the targets of the pending redirects from the database
|
|
*
|
|
* Also creates entries in the redirect table for redirects that don't
|
|
* have one.
|
|
* @return LinkBatch
|
|
*/
|
|
private function getRedirectTargets() {
|
|
$lb = new LinkBatch();
|
|
$db = $this->getDB();
|
|
|
|
$this->profileDBIn();
|
|
$res = $db->select(
|
|
'redirect',
|
|
array(
|
|
'rd_from',
|
|
'rd_namespace',
|
|
'rd_fragment',
|
|
'rd_interwiki',
|
|
'rd_title'
|
|
), array( 'rd_from' => array_keys( $this->mPendingRedirectIDs ) ),
|
|
__METHOD__
|
|
);
|
|
$this->profileDBOut();
|
|
foreach ( $res as $row ) {
|
|
$rdfrom = intval( $row->rd_from );
|
|
$from = $this->mPendingRedirectIDs[$rdfrom]->getPrefixedText();
|
|
$to = Title::makeTitle( $row->rd_namespace, $row->rd_title, $row->rd_fragment, $row->rd_interwiki );
|
|
unset( $this->mPendingRedirectIDs[$rdfrom] );
|
|
if ( !$to->isExternal() && !isset( $this->mAllPages[$row->rd_namespace][$row->rd_title] ) ) {
|
|
$lb->add( $row->rd_namespace, $row->rd_title );
|
|
}
|
|
$this->mRedirectTitles[$from] = $to;
|
|
}
|
|
|
|
if ( $this->mPendingRedirectIDs ) {
|
|
// We found pages that aren't in the redirect table
|
|
// Add them
|
|
foreach ( $this->mPendingRedirectIDs as $id => $title ) {
|
|
$page = WikiPage::factory( $title );
|
|
$rt = $page->insertRedirect();
|
|
if ( !$rt ) {
|
|
// What the hell. Let's just ignore this
|
|
continue;
|
|
}
|
|
$lb->addObj( $rt );
|
|
$this->mRedirectTitles[$title->getPrefixedText()] = $rt;
|
|
unset( $this->mPendingRedirectIDs[$id] );
|
|
}
|
|
}
|
|
return $lb;
|
|
}
|
|
|
|
/**
|
|
* Get the cache mode for the data generated by this module.
|
|
* All PageSet users should take into account whether this returns a more-restrictive
|
|
* cache mode than the using module itself. For possible return values and other
|
|
* details about cache modes, see ApiMain::setCacheMode()
|
|
*
|
|
* Public caching will only be allowed if *all* the modules that supply
|
|
* data for a given request return a cache mode of public.
|
|
*
|
|
* @param $params
|
|
* @return string
|
|
* @since 1.21
|
|
*/
|
|
public function getCacheMode( $params = null ) {
|
|
return $this->mCacheMode;
|
|
}
|
|
|
|
/**
|
|
* Given an array of title strings, convert them into Title objects.
|
|
* Alternatively, an array of Title objects may be given.
|
|
* This method validates access rights for the title,
|
|
* and appends normalization values to the output.
|
|
*
|
|
* @param array $titles of Title objects or strings
|
|
* @return LinkBatch
|
|
*/
|
|
private function processTitlesArray( $titles ) {
|
|
$usernames = array();
|
|
$linkBatch = new LinkBatch();
|
|
|
|
foreach ( $titles as $title ) {
|
|
if ( is_string( $title ) ) {
|
|
$titleObj = Title::newFromText( $title, $this->mDefaultNamespace );
|
|
} else {
|
|
$titleObj = $title;
|
|
}
|
|
if ( !$titleObj ) {
|
|
// Handle invalid titles gracefully
|
|
$this->mAllPages[0][$title] = $this->mFakePageId;
|
|
$this->mInvalidTitles[$this->mFakePageId] = $title;
|
|
$this->mFakePageId--;
|
|
continue; // There's nothing else we can do
|
|
}
|
|
$unconvertedTitle = $titleObj->getPrefixedText();
|
|
$titleWasConverted = false;
|
|
if ( $titleObj->isExternal() ) {
|
|
// This title is an interwiki link.
|
|
$this->mInterwikiTitles[$unconvertedTitle] = $titleObj->getInterwiki();
|
|
} else {
|
|
// Variants checking
|
|
global $wgContLang;
|
|
if ( $this->mConvertTitles &&
|
|
count( $wgContLang->getVariants() ) > 1 &&
|
|
!$titleObj->exists() ) {
|
|
// Language::findVariantLink will modify titleText and titleObj into
|
|
// the canonical variant if possible
|
|
$titleText = is_string( $title ) ? $title : $titleObj->getPrefixedText();
|
|
$wgContLang->findVariantLink( $titleText, $titleObj );
|
|
$titleWasConverted = $unconvertedTitle !== $titleObj->getPrefixedText();
|
|
}
|
|
|
|
if ( $titleObj->getNamespace() < 0 ) {
|
|
// Handle Special and Media pages
|
|
$titleObj = $titleObj->fixSpecialName();
|
|
$this->mSpecialTitles[$this->mFakePageId] = $titleObj;
|
|
$this->mFakePageId--;
|
|
} else {
|
|
// Regular page
|
|
$linkBatch->addObj( $titleObj );
|
|
}
|
|
}
|
|
|
|
// Make sure we remember the original title that was
|
|
// given to us. This way the caller can correlate new
|
|
// titles with the originally requested when e.g. the
|
|
// namespace is localized or the capitalization is
|
|
// different
|
|
if ( $titleWasConverted ) {
|
|
$this->mConvertedTitles[$unconvertedTitle] = $titleObj->getPrefixedText();
|
|
// In this case the page can't be Special.
|
|
if ( is_string( $title ) && $title !== $unconvertedTitle ) {
|
|
$this->mNormalizedTitles[$title] = $unconvertedTitle;
|
|
}
|
|
} elseif ( is_string( $title ) && $title !== $titleObj->getPrefixedText() ) {
|
|
$this->mNormalizedTitles[$title] = $titleObj->getPrefixedText();
|
|
}
|
|
|
|
// Need gender information
|
|
if ( MWNamespace::hasGenderDistinction( $titleObj->getNamespace() ) ) {
|
|
$usernames[] = $titleObj->getText();
|
|
}
|
|
}
|
|
// Get gender information
|
|
$genderCache = GenderCache::singleton();
|
|
$genderCache->doQuery( $usernames, __METHOD__ );
|
|
|
|
return $linkBatch;
|
|
}
|
|
|
|
/**
|
|
* Get the database connection (read-only)
|
|
* @return DatabaseBase
|
|
*/
|
|
protected function getDB() {
|
|
return $this->mDbSource->getDB();
|
|
}
|
|
|
|
/**
|
|
* Returns the input array of integers with all values < 0 removed
|
|
*
|
|
* @param $array array
|
|
* @return array
|
|
*/
|
|
private static function getPositiveIntegers( $array ) {
|
|
// bug 25734 API: possible issue with revids validation
|
|
// It seems with a load of revision rows, MySQL gets upset
|
|
// Remove any < 0 integers, as they can't be valid
|
|
foreach ( $array as $i => $int ) {
|
|
if ( $int < 0 ) {
|
|
unset( $array[$i] );
|
|
}
|
|
}
|
|
|
|
return $array;
|
|
}
|
|
|
|
public function getAllowedParams( $flags = 0 ) {
|
|
$result = array(
|
|
'titles' => array(
|
|
ApiBase::PARAM_ISMULTI => true
|
|
),
|
|
'pageids' => array(
|
|
ApiBase::PARAM_TYPE => 'integer',
|
|
ApiBase::PARAM_ISMULTI => true
|
|
),
|
|
'revids' => array(
|
|
ApiBase::PARAM_TYPE => 'integer',
|
|
ApiBase::PARAM_ISMULTI => true
|
|
),
|
|
'redirects' => false,
|
|
'converttitles' => false,
|
|
);
|
|
if ( $this->mAllowGenerator ) {
|
|
if ( $flags & ApiBase::GET_VALUES_FOR_HELP ) {
|
|
$result['generator'] = array(
|
|
ApiBase::PARAM_TYPE => $this->getGenerators()
|
|
);
|
|
} else {
|
|
$result['generator'] = null;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
private static $generators = null;
|
|
|
|
/**
|
|
* Get an array of all available generators
|
|
* @return array
|
|
*/
|
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private function getGenerators() {
|
|
if ( self::$generators === null ) {
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$query = $this->mDbSource;
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|
if ( !( $query instanceof ApiQuery ) ) {
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|
// If the parent container of this pageset is not ApiQuery,
|
|
// we must create it to get module manager
|
|
$query = $this->getMain()->getModuleManager()->getModule( 'query' );
|
|
}
|
|
$gens = array();
|
|
$mgr = $query->getModuleManager();
|
|
foreach ( $mgr->getNamesWithClasses() as $name => $class ) {
|
|
if ( is_subclass_of( $class, 'ApiQueryGeneratorBase' ) ) {
|
|
$gens[] = $name;
|
|
}
|
|
}
|
|
sort( $gens );
|
|
self::$generators = $gens;
|
|
}
|
|
return self::$generators;
|
|
}
|
|
|
|
public function getParamDescription() {
|
|
return array(
|
|
'titles' => 'A list of titles to work on',
|
|
'pageids' => 'A list of page IDs to work on',
|
|
'revids' => 'A list of revision IDs to work on',
|
|
'generator' => array( 'Get the list of pages to work on by executing the specified query module.',
|
|
'NOTE: generator parameter names must be prefixed with a \'g\', see examples' ),
|
|
'redirects' => 'Automatically resolve redirects',
|
|
'converttitles' => array( 'Convert titles to other variants if necessary. Only works if the wiki\'s content language supports variant conversion.',
|
|
'Languages that support variant conversion include ' . implode( ', ', LanguageConverter::$languagesWithVariants ) ),
|
|
);
|
|
}
|
|
|
|
public function getPossibleErrors() {
|
|
return array_merge( parent::getPossibleErrors(), array(
|
|
array( 'code' => 'multisource', 'info' => "Cannot use 'pageids' at the same time as 'dataSource'" ),
|
|
array( 'code' => 'multisource', 'info' => "Cannot use 'revids' at the same time as 'dataSource'" ),
|
|
array( 'code' => 'badgenerator', 'info' => 'Module $generatorName cannot be used as a generator' ),
|
|
) );
|
|
}
|
|
}
|