mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
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115 lines
4 KiB
PHP
115 lines
4 KiB
PHP
<?php
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/**
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* Periodic off-peak updating of the search index.
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*
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* Usage: php updateSearchIndex.php [-s START] [-e END] [-p POSFILE] [-l LOCKTIME] [-q]
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* Where START is the starting timestamp
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* END is the ending timestamp
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* POSFILE is a file to load timestamps from and save them to, searchUpdate.WIKI_ID.pos by default
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* LOCKTIME is how long the searchindex and revision tables will be locked for
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* -q means quiet
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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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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script for periodic off-peak updating of the search index.
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*
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* @ingroup Maintenance
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*/
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class UpdateSearchIndex extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Script for periodic off-peak updating of the search index";
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$this->addOption( 's', 'starting timestamp', false, true );
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$this->addOption( 'e', 'Ending timestamp', false, true );
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$this->addOption( 'p', 'File for saving/loading timestamps, searchUpdate.WIKI_ID.pos by default', false, true );
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$this->addOption( 'l', 'How long the searchindex and revision tables will be locked for', false, true );
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}
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public function getDbType() {
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return Maintenance::DB_ADMIN;
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}
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public function execute() {
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$posFile = $this->getOption( 'p', 'searchUpdate.' . wfWikiId() . '.pos' );
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$end = $this->getOption( 'e', wfTimestampNow() );
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if ( $this->hasOption( 's' ) ) {
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$start = $this->getOption( 's' );
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} elseif ( is_readable( 'searchUpdate.pos' ) ) {
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# B/c to the old position file name which was hardcoded
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# We can safely delete the file when we're done though.
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$start = file_get_contents( 'searchUpdate.pos' );
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unlink( 'searchUpdate.pos' );
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} elseif ( is_readable( $posFile ) ) {
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$start = file_get_contents( $posFile );
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} else {
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$start = wfTimestamp( TS_MW, time() - 86400 );
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}
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$lockTime = $this->getOption( 'l', 20 );
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$this->doUpdateSearchIndex( $start, $end, $lockTime );
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if ( is_writable( dirname( realpath( $posFile ) ) ) ) {
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$file = fopen( $posFile, 'w' );
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if ( $file !== false ) {
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fwrite( $file, $end );
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fclose( $file );
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} else {
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$this->error( "*** Couldn't write to the $posFile!\n" );
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}
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} else {
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$this->error( "*** Couldn't write to the $posFile!\n" );
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}
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}
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private function doUpdateSearchIndex( $start, $end, $maxLockTime ) {
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global $wgDisableSearchUpdate;
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$wgDisableSearchUpdate = false;
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$dbw = wfGetDB( DB_MASTER );
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$recentchanges = $dbw->tableName( 'recentchanges' );
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$this->output( "Updating searchindex between $start and $end\n" );
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# Select entries from recentchanges which are on top and between the specified times
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$start = $dbw->timestamp( $start );
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$end = $dbw->timestamp( $end );
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$page = $dbw->tableName( 'page' );
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$sql = "SELECT rc_cur_id FROM $recentchanges
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JOIN $page ON rc_cur_id=page_id AND rc_this_oldid=page_latest
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WHERE rc_type != " . RC_LOG . " AND rc_timestamp BETWEEN '$start' AND '$end'";
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$res = $dbw->query( $sql, __METHOD__ );
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$this->updateSearchIndex( $maxLockTime, array( $this, 'searchIndexUpdateCallback' ), $dbw, $res );
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$this->output( "Done\n" );
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}
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public function searchIndexUpdateCallback( $dbw, $row ) {
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$this->updateSearchIndexForPage( $dbw, $row->rc_cur_id );
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}
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}
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$maintClass = "UpdateSearchIndex";
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require_once RUN_MAINTENANCE_IF_MAIN;
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