036b9c4167
Links generated by the API are now aware of the user's preferred language and will show documents in that language if available. To test, log in to mediawiki.org and set your language preference to 'es', then on an MediaWiki installation with this patch view the generated expanded API help at `api.php?action=help&recursivesubmodules=1&modules=main`. Each link to documentation on mediawiki.org should take you to its translated /es subpage, if one exists. Bug: T104518 Change-Id: I339a1f3ae1bce9d759cf251899d57c32b1def91e
295 lines
8.8 KiB
PHP
295 lines
8.8 KiB
PHP
<?php
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/**
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* Created on Sep 27, 2015
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*
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* Copyright © 2015 Brad Jorsch "bjorsch@wikimedia.org"
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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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* Query module to enumerate all revisions.
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*
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* @ingroup API
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* @since 1.27
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*/
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class ApiQueryAllRevisions extends ApiQueryRevisionsBase {
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public function __construct( ApiQuery $query, $moduleName ) {
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parent::__construct( $query, $moduleName, 'arv' );
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}
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/**
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* @param ApiPageSet $resultPageSet
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* @return void
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*/
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protected function run( ApiPageSet $resultPageSet = null ) {
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$db = $this->getDB();
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$params = $this->extractRequestParams( false );
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$result = $this->getResult();
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$this->requireMaxOneParameter( $params, 'user', 'excludeuser' );
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// Namespace check is likely to be desired, but can't be done
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// efficiently in SQL.
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$miser_ns = null;
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$needPageTable = false;
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if ( $params['namespace'] !== null ) {
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$params['namespace'] = array_unique( $params['namespace'] );
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sort( $params['namespace'] );
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if ( $params['namespace'] != MWNamespace::getValidNamespaces() ) {
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$needPageTable = true;
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if ( $this->getConfig()->get( 'MiserMode' ) ) {
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$miser_ns = $params['namespace'];
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} else {
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$this->addWhere( [ 'page_namespace' => $params['namespace'] ] );
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}
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}
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}
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$this->addTables( 'revision' );
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if ( $resultPageSet === null ) {
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$this->parseParameters( $params );
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$this->addTables( 'page' );
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$this->addJoinConds(
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[ 'page' => [ 'INNER JOIN', [ 'rev_page = page_id' ] ] ]
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);
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$this->addFields( Revision::selectFields() );
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$this->addFields( Revision::selectPageFields() );
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// Review this depeneding on the outcome of T113901
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$this->addOption( 'STRAIGHT_JOIN' );
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} else {
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$this->limit = $this->getParameter( 'limit' ) ?: 10;
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$this->addFields( [ 'rev_timestamp', 'rev_id' ] );
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if ( $params['generatetitles'] ) {
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$this->addFields( [ 'rev_page' ] );
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}
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if ( $needPageTable ) {
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$this->addTables( 'page' );
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$this->addJoinConds(
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[ 'page' => [ 'INNER JOIN', [ 'rev_page = page_id' ] ] ]
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);
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$this->addFieldsIf( [ 'page_namespace' ], (bool)$miser_ns );
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// Review this depeneding on the outcome of T113901
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$this->addOption( 'STRAIGHT_JOIN' );
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}
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}
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$dir = $params['dir'];
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$this->addTimestampWhereRange( 'rev_timestamp', $dir, $params['start'], $params['end'] );
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if ( $this->fld_tags ) {
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$this->addTables( 'tag_summary' );
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$this->addJoinConds(
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[ 'tag_summary' => [ 'LEFT JOIN', [ 'rev_id=ts_rev_id' ] ] ]
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);
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$this->addFields( 'ts_tags' );
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}
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if ( $this->fetchContent ) {
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$this->addTables( 'text' );
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$this->addJoinConds(
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[ 'text' => [ 'INNER JOIN', [ 'rev_text_id=old_id' ] ] ]
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);
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$this->addFields( 'old_id' );
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$this->addFields( Revision::selectTextFields() );
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}
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if ( $params['user'] !== null ) {
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$id = User::idFromName( $params['user'] );
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if ( $id ) {
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$this->addWhereFld( 'rev_user', $id );
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} else {
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$this->addWhereFld( 'rev_user_text', $params['user'] );
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}
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} elseif ( $params['excludeuser'] !== null ) {
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$id = User::idFromName( $params['excludeuser'] );
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if ( $id ) {
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$this->addWhere( 'rev_user != ' . $id );
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} else {
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$this->addWhere( 'rev_user_text != ' . $db->addQuotes( $params['excludeuser'] ) );
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}
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}
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if ( $params['user'] !== null || $params['excludeuser'] !== null ) {
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// Paranoia: avoid brute force searches (T19342)
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if ( !$this->getUser()->isAllowed( 'deletedhistory' ) ) {
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$bitmask = Revision::DELETED_USER;
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} elseif ( !$this->getUser()->isAllowedAny( 'suppressrevision', 'viewsuppressed' ) ) {
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$bitmask = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
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} else {
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$bitmask = 0;
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}
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if ( $bitmask ) {
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$this->addWhere( $db->bitAnd( 'rev_deleted', $bitmask ) . " != $bitmask" );
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}
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}
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if ( $params['continue'] !== null ) {
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$op = ( $dir == 'newer' ? '>' : '<' );
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$cont = explode( '|', $params['continue'] );
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$this->dieContinueUsageIf( count( $cont ) != 2 );
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$ts = $db->addQuotes( $db->timestamp( $cont[0] ) );
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$rev_id = (int)$cont[1];
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$this->dieContinueUsageIf( strval( $rev_id ) !== $cont[1] );
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$this->addWhere( "rev_timestamp $op $ts OR " .
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"(rev_timestamp = $ts AND " .
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"rev_id $op= $rev_id)" );
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}
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$this->addOption( 'LIMIT', $this->limit + 1 );
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$sort = ( $dir == 'newer' ? '' : ' DESC' );
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$orderby = [];
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// Targeting index rev_timestamp, user_timestamp, or usertext_timestamp
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// But 'user' is always constant for the latter two, so it doesn't matter here.
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$orderby[] = "rev_timestamp $sort";
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$orderby[] = "rev_id $sort";
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$this->addOption( 'ORDER BY', $orderby );
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$hookData = [];
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$res = $this->select( __METHOD__, [], $hookData );
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$pageMap = []; // Maps rev_page to array index
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$count = 0;
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$nextIndex = 0;
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$generated = [];
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foreach ( $res as $row ) {
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if ( $count === 0 && $resultPageSet !== null ) {
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// Set the non-continue since the list of all revisions is
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// prone to having entries added at the start frequently.
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$this->getContinuationManager()->addGeneratorNonContinueParam(
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$this, 'continue', "$row->rev_timestamp|$row->rev_id"
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);
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}
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if ( ++$count > $this->limit ) {
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// We've had enough
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$this->setContinueEnumParameter( 'continue', "$row->rev_timestamp|$row->rev_id" );
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break;
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}
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// Miser mode namespace check
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if ( $miser_ns !== null && !in_array( $row->page_namespace, $miser_ns ) ) {
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continue;
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}
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if ( $resultPageSet !== null ) {
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if ( $params['generatetitles'] ) {
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$generated[$row->rev_page] = $row->rev_page;
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} else {
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$generated[] = $row->rev_id;
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}
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} else {
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$revision = Revision::newFromRow( $row );
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$rev = $this->extractRevisionInfo( $revision, $row );
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if ( !isset( $pageMap[$row->rev_page] ) ) {
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$index = $nextIndex++;
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$pageMap[$row->rev_page] = $index;
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$title = $revision->getTitle();
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$a = [
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'pageid' => $title->getArticleID(),
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'revisions' => [ $rev ],
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];
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ApiResult::setIndexedTagName( $a['revisions'], 'rev' );
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ApiQueryBase::addTitleInfo( $a, $title );
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$fit = $this->processRow( $row, $a['revisions'][0], $hookData ) &&
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$result->addValue( [ 'query', $this->getModuleName() ], $index, $a );
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} else {
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$index = $pageMap[$row->rev_page];
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$fit = $this->processRow( $row, $rev, $hookData ) &&
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$result->addValue( [ 'query', $this->getModuleName(), $index, 'revisions' ], null, $rev );
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}
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if ( !$fit ) {
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$this->setContinueEnumParameter( 'continue', "$row->rev_timestamp|$row->rev_id" );
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break;
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}
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}
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}
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if ( $resultPageSet !== null ) {
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if ( $params['generatetitles'] ) {
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$resultPageSet->populateFromPageIDs( $generated );
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} else {
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$resultPageSet->populateFromRevisionIDs( $generated );
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}
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} else {
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$result->addIndexedTagName( [ 'query', $this->getModuleName() ], 'page' );
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}
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}
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public function getAllowedParams() {
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$ret = parent::getAllowedParams() + [
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'user' => [
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ApiBase::PARAM_TYPE => 'user',
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],
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'namespace' => [
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ApiBase::PARAM_ISMULTI => true,
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ApiBase::PARAM_TYPE => 'namespace',
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ApiBase::PARAM_DFLT => null,
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],
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'start' => [
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ApiBase::PARAM_TYPE => 'timestamp',
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],
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'end' => [
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ApiBase::PARAM_TYPE => 'timestamp',
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],
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'dir' => [
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ApiBase::PARAM_TYPE => [
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'newer',
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'older'
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],
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ApiBase::PARAM_DFLT => 'older',
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ApiBase::PARAM_HELP_MSG => 'api-help-param-direction',
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],
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'excludeuser' => [
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ApiBase::PARAM_TYPE => 'user',
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],
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'continue' => [
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ApiBase::PARAM_HELP_MSG => 'api-help-param-continue',
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],
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'generatetitles' => [
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ApiBase::PARAM_DFLT => false,
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],
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];
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if ( $this->getConfig()->get( 'MiserMode' ) ) {
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$ret['namespace'][ApiBase::PARAM_HELP_MSG_APPEND] = [
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'api-help-param-limited-in-miser-mode',
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];
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}
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return $ret;
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}
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protected function getExamplesMessages() {
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return [
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'action=query&list=allrevisions&arvuser=Example&arvlimit=50'
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=> 'apihelp-query+allrevisions-example-user',
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'action=query&list=allrevisions&arvdir=newer&arvlimit=50'
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=> 'apihelp-query+allrevisions-example-ns-main',
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];
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}
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public function getHelpUrls() {
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return 'https://www.mediawiki.org/wiki/Special:MyLanguage/API:Allrevisions';
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}
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}
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