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<?php
/*
* Script to remove broken, unparseable titles in the Watchlist.
*
* Usage: php cleanupWatchlist.php [--fix]
* Options:
* --fix Actually remove entries; without will only report.
*
* Copyright (C) 2005,2006 Brion Vibber <brion@pobox.com>
* http://www.mediawiki.org/
*
* 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
* @author Brion Vibber <brion at pobox.com>
* @ingroup Maintenance
*/
$options = array( 'fix' );
require_once( 'commandLine.inc' );
require_once( 'FiveUpgrade.inc' );
/**
* @ingroup Maintenance
*/
class WatchlistCleanup extends FiveUpgrade {
function WatchlistCleanup( $dryrun = false ) {
parent::FiveUpgrade();
$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
$this->dryrun = $dryrun;
}
function cleanup() {
$this->runTable( 'watchlist',
'',
array( &$this, 'processEntry' ) );
}
function init( $count, $table ) {
$this->processed = 0;
$this->updated = 0;
$this->count = $count;
$this->startTime = wfTime();
$this->table = $table;
}
function progress( $updated ) {
$this->updated += $updated;
$this->processed++;
if( $this->processed % 100 != 0 ) {
return;
}
$portion = $this->processed / $this->count;
$updateRate = $this->updated / $this->processed;
$now = wfTime();
$delta = $now - $this->startTime;
$estimatedTotalTime = $delta / $portion;
$eta = $this->startTime + $estimatedTotalTime;
printf( "%s %s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
wfWikiID(),
wfTimestamp( TS_DB, intval( $now ) ),
$portion * 100.0,
$this->table,
wfTimestamp( TS_DB, intval( $eta ) ),
$this->processed,
$this->count,
$this->processed / $delta,
$updateRate * 100.0 );
flush();
}
function runTable( $table, $where, $callback ) {
$fname = 'WatchlistCleanup::runTable';
$count = $this->dbw->selectField( $table, 'count(*)', '', $fname );
$this->init( $count, 'watchlist' );
$this->log( "Processing $table..." );
$tableName = $this->dbr->tableName( $table );
$sql = "SELECT * FROM $tableName $where";
$result = $this->dbr->query( $sql, $fname );
while( $row = $this->dbr->fetchObject( $result ) ) {
call_user_func( $callback, $row );
}
$this->log( "Finished $table... $this->updated of $this->processed rows updated" );
$this->dbr->freeResult( $result );
}
function processEntry( $row ) {
$current = Title::makeTitle( $row->wl_namespace, $row->wl_title );
$display = $current->getPrefixedText();
$verified = UtfNormal::cleanUp( $display );
$title = Title::newFromText( $verified );
if( $row->wl_user == 0 || is_null( $title ) || !$title->equals( $current ) ) {
$this->log( "invalid watch by {$row->wl_user} for ({$row->wl_namespace}, \"{$row->wl_title}\")" );
$this->removeWatch( $row );
return $this->progress( 1 );
}
$this->progress( 0 );
}
function removeWatch( $row ) {
if( !$this->dryrun) {
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'watchlist', array(
'wl_user' => $row->wl_user,
'wl_namespace' => $row->wl_namespace,
'wl_title' => $row->wl_title ),
'WatchlistCleanup::removeWatch' );
$this->log( '- removed' );
}
}
}
$wgUser->setName( 'Conversion script' );
$caps = new WatchlistCleanup( !isset( $options['fix'] ) );
$caps->cleanup();
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