maintenance/nukePage.inc

   1 <?php
   2
   3 /**
   4  * Support functions for the nukeArticle script
   5  *
   6  * @file
   7  * @ingroup Maintenance
   8  * @author Rob Church <robchur@gmail.com>
   9  */
  10
  11 require_once( 'purgeOldText.inc' );
  12
  13 function NukePage( $name, $delete = false ) {
  14
  15         $dbw = wfGetDB( DB_MASTER );
  16         $dbw->begin();
  17
  18         $tbl_pag = $dbw->tableName( 'page' );
  19         $tbl_rec = $dbw->tableName( 'recentchanges' );
  20         $tbl_rev = $dbw->tableName( 'revision' );
  21
  22         # Get page ID
  23         echo( "Searching for \"$name\"..." );
  24         $title = Title::newFromText( $name );
  25         if( $title ) {
  26                 $id   = $title->getArticleID();
  27                 $real = $title->getPrefixedText();
  28                 echo( "found \"$real\" with ID $id.\n" );
  29
  30                 # Get corresponding revisions
  31                 echo( "Searching for revisions..." );
  32                 $res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" );
  33                 while( $row = $dbw->fetchObject( $res ) ) {
  34                         $revs[] = $row->rev_id;
  35                 }
  36                 $count = count( $revs );
  37                 echo( "found $count.\n" );
  38
  39                 # Delete the page record and associated recent changes entries
  40                 if( $delete ) {
  41                         echo( "Deleting page record..." );
  42                         $dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" );
  43                         echo( "done.\n" );
  44                         echo( "Cleaning up recent changes..." );
  45                         $dbw->query( "DELETE FROM $tbl_rec WHERE rc_cur_id = $id" );
  46                         echo( "done.\n" );
  47                 }
  48
  49                 $dbw->commit();
  50
  51                 # Delete revisions as appropriate
  52                 if( $delete && $count ) {
  53                         echo( "Deleting revisions..." );
  54                         DeleteRevisions( $revs );
  55                         echo( "done.\n" );
  56                         PurgeRedundantText( true );
  57                 }
  58
  59         } else {
  60                 echo( "not found in database.\n" );
  61                 $dbw->commit();
  62         }
  63
  64 }
  65
  66 function DeleteRevisions( $ids ) {
  67
  68         $dbw = wfGetDB( DB_MASTER );
  69         $dbw->begin();
  70
  71         $tbl_rev = $dbw->tableName( 'revision' );
  72
  73         $set = implode( ', ', $ids );
  74         $dbw->query( "DELETE FROM $tbl_rev WHERE rev_id IN ( $set )" );
  75
  76         $dbw->commit();
  77
  78         #TODO: see if this is a "good" page, to decrement that as well.
  79         $pages = $dbw->selectField('site_stats', 'ss_total_pages');
  80         $pages--;
  81         $dbw->update( 'site_stats',
  82                       array('ss_total_pages' => $pages ),
  83                       array( 'ss_row_id' => 1),
  84                       __METHOD__ );
  85
  86 }
  87
  88 ?>