maintenance/deleteDefaultMessages.php

   1 <?php
   2 /**
   3  * Deletes all pages in the MediaWiki namespace which were last edited by
   4  * "MediaWiki default".
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @ingroup Maintenance
  22  */
  23
  24 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  25
  26 class DeleteDefaultMessages extends Maintenance {
  27         public function __construct() {
  28                 parent::__construct();
  29                 $this->mDescription = "Deletes all pages in the MediaWiki namespace" .
  30                                                                 " which were last edited by \"MediaWiki default\"";
  31         }
  32
  33         public function execute() {
  34
  35                 $user = 'MediaWiki default';
  36                 $reason = 'No longer required';
  37
  38                 $this->output( "Checking existence of old default messages..." );
  39                 $dbr = wfGetDB( DB_SLAVE );
  40                 $res = $dbr->select( array( 'page', 'revision' ),
  41                         array( 'page_namespace', 'page_title' ),
  42                         array(
  43                                 'page_namespace' => NS_MEDIAWIKI,
  44                                 'page_latest=rev_id',
  45                                 'rev_user_text' => 'MediaWiki default',
  46                         )
  47                 );
  48
  49                 if( $dbr->numRows( $res ) == 0 ) {
  50                         # No more messages left
  51                         $this->output( "done.\n" );
  52                         return;
  53                 }
  54
  55                 # Deletions will be made by $user temporarly added to the bot group
  56                 # in order to hide it in RecentChanges.
  57                 global $wgUser;
  58                 $wgUser = User::newFromName( $user );
  59                 if ( !$wgUser ) {
  60                         $this->error( "Invalid username", true );
  61                 }
  62                 $wgUser->addGroup( 'bot' );
  63
  64                 # Handle deletion
  65                 $this->output( "\n...deleting old default messages (this may take a long time!)...", 'msg' );
  66                 $dbw = wfGetDB( DB_MASTER );
  67
  68                 foreach ( $res as $row ) {
  69                         wfWaitForSlaves();
  70                         $dbw->ping();
  71                         $title = Title::makeTitle( $row->page_namespace, $row->page_title );
  72                         $article = new Article( $title );
  73                         $dbw->begin();
  74                         $article->doDeleteArticle( $reason );
  75                         $dbw->commit();
  76                 }
  77
  78                 $this->output( 'done!', 'msg' );
  79         }
  80 }
  81
  82 $maintClass = "DeleteDefaultMessages";
  83 require_once( RUN_MAINTENANCE_IF_MAIN );