maintenance/cleanupWatchlist.php

   1 <?php
   2 /**
   3  * Script to remove broken, unparseable titles in the Watchlist.
   4  *
   5  * Usage: php cleanupWatchlist.php [--fix]
   6  * Options:
   7  *   --fix  Actually remove entries; without will only report.
   8  *
   9  * Copyright (C) 2005,2006 Brion Vibber <brion@pobox.com>
  10  * http://www.mediawiki.org/
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License along
  23  * with this program; if not, write to the Free Software Foundation, Inc.,
  24  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  25  * http://www.gnu.org/copyleft/gpl.html
  26  *
  27  * @file
  28  * @author Brion Vibber <brion at pobox.com>
  29  * @ingroup Maintenance
  30  */
  31
  32 require_once( dirname( __FILE__ ) . '/cleanupTable.inc' );
  33
  34 class WatchlistCleanup extends TableCleanup {
  35         protected $defaultParams = array(
  36                 'table' => 'watchlist',
  37                 'index' => array( 'wl_user', 'wl_namespace', 'wl_title' ),
  38                 'conds' => array(),
  39                 'callback' => 'processRow'
  40         );
  41
  42         public function __construct() {
  43                 parent::__construct();
  44                 $this->mDescription = "Script to remove broken, unparseable titles in the Watchlist";
  45                 $this->addOption( 'fix', 'Actually remove entries; without will only report.' );
  46         }
  47
  48         function execute() {
  49                 if ( !$this->hasOption( 'fix' ) ) {
  50                         $this->output( "Dry run only: use --fix to enable updates\n" );
  51                 }
  52                 parent::execute();
  53         }
  54
  55         protected function processRow( $row ) {
  56                 global $wgContLang;
  57                 $current = Title::makeTitle( $row->wl_namespace, $row->wl_title );
  58                 $display = $current->getPrefixedText();
  59                 $verified = $wgContLang->normalize( $display );
  60                 $title = Title::newFromText( $verified );
  61
  62                 if ( $row->wl_user == 0 || is_null( $title ) || !$title->equals( $current ) ) {
  63                         $this->output( "invalid watch by {$row->wl_user} for ({$row->wl_namespace}, \"{$row->wl_title}\")\n" );
  64                         $updated = $this->removeWatch( $row );
  65                         $this->progress( $updated );
  66                         return;
  67                 }
  68                 $this->progress( 0 );
  69         }
  70
  71         private function removeWatch( $row ) {
  72                 if ( !$this->dryrun && $this->hasOption( 'fix' ) ) {
  73                         $dbw = wfGetDB( DB_MASTER );
  74                         $dbw->delete( 'watchlist', array(
  75                                 'wl_user'      => $row->wl_user,
  76                                 'wl_namespace' => $row->wl_namespace,
  77                                 'wl_title'     => $row->wl_title ),
  78                         __METHOD__ );
  79                         $this->output( "- removed\n" );
  80                         return 1;
  81                 } else {
  82                         return 0;
  83                 }
  84         }
  85 }
  86
  87 $maintClass = "WatchlistCleanup";
  88 require_once( RUN_MAINTENANCE_IF_MAIN );