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   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 <[email protected]>
  10   * https://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 "
  69                  . "({$row->wl_namespace}, \"{$row->wl_title}\")\n" );
  70              $updated = $this->removeWatch( $row );
  71              $this->progress( $updated );
  72  
  73              return;
  74          }
  75          $this->progress( 0 );
  76      }
  77  
  78  	private function removeWatch( $row ) {
  79          if ( !$this->dryrun && $this->hasOption( 'fix' ) ) {
  80              $dbw = wfGetDB( DB_MASTER );
  81              $dbw->delete(
  82                  'watchlist', array(
  83                  'wl_user' => $row->wl_user,
  84                  'wl_namespace' => $row->wl_namespace,
  85                  'wl_title' => $row->wl_title ),
  86                  __METHOD__
  87              );
  88  
  89              $this->output( "- removed\n" );
  90  
  91              return 1;
  92          } else {
  93              return 0;
  94          }
  95      }
  96  }
  97  
  98  $maintClass = "WatchlistCleanup";
  99  require_once RUN_MAINTENANCE_IF_MAIN;