maintenance/cleanupWatchlist.php

   1 <?php
   2 /**
   3  * Remove broken, unparseable titles in the watchlist table.
   4  *
   5  * Usage: php cleanupWatchlist.php [--fix]
   6  * Options:
   7  *   --fix  Actually remove entries; without will only report.
   8  *
   9  * Copyright © 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 __DIR__ . '/cleanupTable.inc';
  33
  34 /**
  35  * Maintenance script to remove broken, unparseable titles in the watchlist table.
  36  *
  37  * @ingroup Maintenance
  38  */
  39 class WatchlistCleanup extends TableCleanup {
  40         protected $defaultParams = array(
  41                 'table' => 'watchlist',
  42                 'index' => array( 'wl_user', 'wl_namespace', 'wl_title' ),
  43                 'conds' => array(),
  44                 'callback' => 'processRow'
  45         );
  46
  47         public function __construct() {
  48                 parent::__construct();
  49                 $this->mDescription = "Script to remove broken, unparseable titles in the Watchlist";
  50                 $this->addOption( 'fix', 'Actually remove entries; without will only report.' );
  51         }
  52
  53         function execute() {
  54                 if ( !$this->hasOption( 'fix' ) ) {
  55                         $this->output( "Dry run only: use --fix to enable updates\n" );
  56                 }
  57                 parent::execute();
  58         }
  59
  60         protected function processRow( $row ) {
  61                 global $wgContLang;
  62                 $current = Title::makeTitle( $row->wl_namespace, $row->wl_title );
  63                 $display = $current->getPrefixedText();
  64                 $verified = $wgContLang->normalize( $display );
  65                 $title = Title::newFromText( $verified );
  66
  67                 if ( $row->wl_user == 0 || is_null( $title ) || !$title->equals( $current ) ) {
  68                         $this->output( "invalid watch by {$row->wl_user} for ({$row->wl_namespace}, \"{$row->wl_title}\")\n" );
  69                         $updated = $this->removeWatch( $row );
  70                         $this->progress( $updated );
  71                         return;
  72                 }
  73                 $this->progress( 0 );
  74         }
  75
  76         private function removeWatch( $row ) {
  77                 if ( !$this->dryrun && $this->hasOption( 'fix' ) ) {
  78                         $dbw = wfGetDB( DB_MASTER );
  79                         $dbw->delete( 'watchlist', array(
  80                                 'wl_user' => $row->wl_user,
  81                                 'wl_namespace' => $row->wl_namespace,
  82                                 'wl_title' => $row->wl_title ),
  83                         __METHOD__ );
  84                         $this->output( "- removed\n" );
  85                         return 1;
  86                 } else {
  87                         return 0;
  88                 }
  89         }
  90 }
  91
  92 $maintClass = "WatchlistCleanup";
  93 require_once RUN_MAINTENANCE_IF_MAIN;