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<?php
/**
* Erase a page record from the database
* Irreversible (can't use standard undelete) and does not update link tables
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup Maintenance
* @author Rob Church <robchur@gmail.com>
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that erases a page record from the database.
*
* @ingroup Maintenance
*/
class NukePage extends Maintenance {
public function __construct() {
parent::__construct();
$this->mDescription = "Remove a page record from the database";
$this->addOption( 'delete', "Actually delete the page" );
$this->addArg( 'title', 'Title to delete' );
}
public function execute() {
$name = $this->getArg();
$delete = $this->getOption( 'delete', false );
$dbw = wfGetDB( DB_MASTER );
$dbw->begin( __METHOD__ );
$tbl_pag = $dbw->tableName( 'page' );
$tbl_rec = $dbw->tableName( 'recentchanges' );
$tbl_rev = $dbw->tableName( 'revision' );
# Get page ID
$this->output( "Searching for \"$name\"..." );
$title = Title::newFromText( $name );
if ( $title ) {
$id = $title->getArticleID();
$real = $title->getPrefixedText();
$isGoodArticle = $title->isContentPage();
$this->output( "found \"$real\" with ID $id.\n" );
# Get corresponding revisions
$this->output( "Searching for revisions..." );
$res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" );
$revs = array();
foreach ( $res as $row ) {
$revs[] = $row->rev_id;
}
$count = count( $revs );
$this->output( "found $count.\n" );
# Delete the page record and associated recent changes entries
if ( $delete ) {
$this->output( "Deleting page record..." );
$dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" );
$this->output( "done.\n" );
$this->output( "Cleaning up recent changes..." );
$dbw->query( "DELETE FROM $tbl_rec WHERE rc_cur_id = $id" );
$this->output( "done.\n" );
}
$dbw->commit( __METHOD__ );
# Delete revisions as appropriate
if ( $delete && $count ) {
$this->output( "Deleting revisions..." );
$this->deleteRevisions( $revs );
$this->output( "done.\n" );
$this->purgeRedundantText( true );
}
# Update stats as appropriate
if ( $delete ) {
$this->output( "Updating site stats..." );
$ga = $isGoodArticle ? -1 : 0; // if it was good, decrement that too
$stats = new SiteStatsUpdate( 0, -$count, $ga, -1 );
$stats->doUpdate();
$this->output( "done.\n" );
}
} else {
$this->output( "not found in database.\n" );
$dbw->commit( __METHOD__ );
}
}
public function deleteRevisions( $ids ) {
$dbw = wfGetDB( DB_MASTER );
$dbw->begin( __METHOD__ );
$tbl_rev = $dbw->tableName( 'revision' );
$set = implode( ', ', $ids );
$dbw->query( "DELETE FROM $tbl_rev WHERE rev_id IN ( $set )" );
$dbw->commit( __METHOD__ );
}
}
$maintClass = "NukePage";
require_once RUN_MAINTENANCE_IF_MAIN;
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