maintenance/cleanupCaps.php

   1 <?php
   2 /**
   3  * Clean up broken page links when somebody turns on $wgCapitalLinks.
   4  *
   5  * Usage: php cleanupCaps.php [--dry-run]
   6  * Options:
   7  *   --dry-run  don't actually try moving them
   8  *
   9  * Copyright © 2005 Brion Vibber <brion@pobox.com>
  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 clean up broken page links when somebody turns
  36  * on or off $wgCapitalLinks.
  37  *
  38  * @ingroup Maintenance
  39  */
  40 class CapsCleanup extends TableCleanup {
  41
  42         private $user;
  43         private $namespace;
  44
  45         public function __construct() {
  46                 parent::__construct();
  47                 $this->addDescription( 'Script to cleanup capitalization' );
  48                 $this->addOption( 'namespace', 'Namespace number to run caps cleanup on', false, true );
  49         }
  50
  51         public function execute() {
  52                 $this->user = User::newSystemUser( 'Conversion script', [ 'steal' => true ] );
  53
  54                 $this->namespace = intval( $this->getOption( 'namespace', 0 ) );
  55
  56                 if ( MWNamespace::isCapitalized( $this->namespace ) ) {
  57                         $this->output( "Will be moving pages to first letter capitalized titles" );
  58                         $callback = 'processRowToUppercase';
  59                 } else {
  60                         $this->output( "Will be moving pages to first letter lowercase titles" );
  61                         $callback = 'processRowToLowercase';
  62                 }
  63
  64                 $this->dryrun = $this->hasOption( 'dry-run' );
  65
  66                 $this->runTable( [
  67                         'table' => 'page',
  68                         'conds' => [ 'page_namespace' => $this->namespace ],
  69                         'index' => 'page_id',
  70                         'callback' => $callback ] );
  71         }
  72
  73         protected function processRowToUppercase( $row ) {
  74                 global $wgContLang;
  75
  76                 $current = Title::makeTitle( $row->page_namespace, $row->page_title );
  77                 $display = $current->getPrefixedText();
  78                 $lower = $row->page_title;
  79                 $upper = $wgContLang->ucfirst( $row->page_title );
  80                 if ( $upper == $lower ) {
  81                         $this->output( "\"$display\" already uppercase.\n" );
  82
  83                         return $this->progress( 0 );
  84                 }
  85
  86                 $target = Title::makeTitle( $row->page_namespace, $upper );
  87                 if ( $target->exists() ) {
  88                         // Prefix "CapsCleanup" to bypass the conflict
  89                         $target = Title::newFromText( __CLASS__ . '/' . $display );
  90                 }
  91                 $ok = $this->movePage(
  92                         $current,
  93                         $target,
  94                         'Converting page title to first-letter uppercase',
  95                         false
  96                 );
  97                 if ( $ok ) {
  98                         $this->progress( 1 );
  99                         if ( $row->page_namespace == $this->namespace ) {
 100                                 $talk = $target->getTalkPage();
 101                                 $row->page_namespace = $talk->getNamespace();
 102                                 if ( $talk->exists() ) {
 103                                         return $this->processRowToUppercase( $row );
 104                                 }
 105                         }
 106                 }
 107
 108                 return $this->progress( 0 );
 109         }
 110
 111         protected function processRowToLowercase( $row ) {
 112                 global $wgContLang;
 113
 114                 $current = Title::makeTitle( $row->page_namespace, $row->page_title );
 115                 $display = $current->getPrefixedText();
 116                 $upper = $row->page_title;
 117                 $lower = $wgContLang->lcfirst( $row->page_title );
 118                 if ( $upper == $lower ) {
 119                         $this->output( "\"$display\" already lowercase.\n" );
 120
 121                         return $this->progress( 0 );
 122                 }
 123
 124                 $target = Title::makeTitle( $row->page_namespace, $lower );
 125                 if ( $target->exists() ) {
 126                         $targetDisplay = $target->getPrefixedText();
 127                         $this->output( "\"$display\" skipped; \"$targetDisplay\" already exists\n" );
 128
 129                         return $this->progress( 0 );
 130                 }
 131
 132                 $ok = $this->movePage( $current, $target, 'Converting page titles to lowercase', true );
 133                 if ( $ok === true ) {
 134                         $this->progress( 1 );
 135                         if ( $row->page_namespace == $this->namespace ) {
 136                                 $talk = $target->getTalkPage();
 137                                 $row->page_namespace = $talk->getNamespace();
 138                                 if ( $talk->exists() ) {
 139                                         return $this->processRowToLowercase( $row );
 140                                 }
 141                         }
 142                 }
 143
 144                 return $this->progress( 0 );
 145         }
 146
 147         /**
 148          * @param Title $current
 149          * @param Title $target
 150          * @param string $reason
 151          * @param bool $createRedirect
 152          * @return bool Success
 153          */
 154         private function movePage( Title $current, Title $target, $reason, $createRedirect ) {
 155                 $display = $current->getPrefixedText();
 156                 $targetDisplay = $target->getPrefixedText();
 157
 158                 if ( $this->dryrun ) {
 159                         $this->output( "\"$display\" -> \"$targetDisplay\": DRY RUN, NOT MOVED\n" );
 160                         $ok = 'OK';
 161                 } else {
 162                         $mp = new MovePage( $current, $target );
 163                         $status = $mp->move( $this->user, $reason, $createRedirect );
 164                         $ok = $status->isOK() ? 'OK' : $status->getWikiText( false, false, 'en' );
 165                         $this->output( "\"$display\" -> \"$targetDisplay\": $ok\n" );
 166                 }
 167
 168                 return $ok === 'OK';
 169         }
 170 }
 171
 172 $maintClass = "CapsCleanup";
 173 require_once RUN_MAINTENANCE_IF_MAIN;