mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
83 lines
2.4 KiB
PHP
83 lines
2.4 KiB
PHP
<?php
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/**
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* Delete image information from the object cache.
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*
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* Usage example:
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* php deleteImageMemcached.php --until "2005-09-05 00:00:00" --sleep 0
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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 that deletes image information from the object cache.
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*
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* @ingroup Maintenance
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*/
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class DeleteImageCache extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->mDescription = "Delete image information from the cache";
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$this->addOption( 'sleep', 'How many seconds to sleep between deletions', true, true );
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$this->addOption( 'until', 'Timestamp to delete all entries prior to', true, true );
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}
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public function execute() {
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global $wgMemc;
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$until = preg_replace( "/[^\d]/", '', $this->getOption( 'until' ) );
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$sleep = (int)$this->getOption( 'sleep' ) * 1000; // milliseconds
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ini_set( 'display_errors', false );
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$dbr = wfGetDB( DB_SLAVE );
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$res = $dbr->select( 'image',
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array( 'img_name' ),
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array( "img_timestamp < {$until}" ),
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__METHOD__
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);
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$i = 0;
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$total = $this->getImageCount();
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foreach ( $res as $row ) {
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if ( $i % $this->report == 0 ) {
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$this->output( sprintf( "%s: %13s done (%s)\n", wfWikiID(), "$i/$total", wfPercent( $i / $total * 100 ) ) );
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}
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$md5 = md5( $row->img_name );
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$wgMemc->delete( wfMemcKey( 'Image', $md5 ) );
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if ( $sleep != 0 ) {
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usleep( $sleep );
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}
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++$i;
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}
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}
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private function getImageCount() {
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$dbr = wfGetDB( DB_SLAVE );
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return $dbr->selectField( 'image', 'COUNT(*)', array(), __METHOD__ );
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}
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}
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$maintClass = "DeleteImageCache";
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require_once RUN_MAINTENANCE_IF_MAIN;
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