maintenance/InitialiseMessages.inc

   1 <?php
   2 # Script to initialise the MediaWiki namespace
   3
   4 # This script is included from update.php and install.php. Do not run it
   5 # by itself.
   6
   7 function initialiseMessages( $overwrite = false, $messageArray = false ) {
   8         global $wgLang, $wgScript, $wgServer, $wgAllMessagesEn;
   9         global $wgOut, $wgArticle, $wgUser;
  10         global $wgMessageCache, $wgMemc, $wgDBname, $wgUseMemCached;
  11
  12         # Initialise $wgOut and $wgUser for a command line script
  13         $wgOut->disable();
  14
  15         $wgUser = new User;
  16         $wgUser->setLoaded( true ); # Don't load from DB
  17         $wgUser->setName( 'MediaWiki default' );
  18
  19         # Don't try to draw messages from the database we're initialising
  20         $wgMessageCache->disable();
  21
  22         $fname = 'initialiseMessages';
  23         $ns = NS_MEDIAWIKI;
  24         # cur_user_text responsible for the modifications
  25         # Don't change it unless you're prepared to update the DBs accordingly, otherwise the
  26         # default messages won't be overwritte
  27         $username = 'MediaWiki default';
  28
  29         $timestamp = wfTimestampNow();
  30         $invTimestamp = wfInvertTimestamp( $timestamp );
  31         $navText = '{{int:allmessagestext}}';
  32         $navText .= "
  33
  34 <table border=1 width=100%><tr><td>
  35 '''Name'''
  36 </td><td>
  37 '''Default text'''
  38 </td><td>
  39 '''Current text'''
  40 </td></tr>";
  41
  42         print "Initialising \"MediaWiki\" namespace...\n";
  43
  44
  45         $dbr =& wfGetDB( DB_SLAVE );
  46         $dbw =& wfGetDB( DB_MASTER );
  47         $cur = $dbr->tableName( 'cur' );
  48
  49         $sql = "SELECT cur_title,cur_is_new,cur_user_text FROM $cur WHERE cur_namespace=$ns AND cur_title IN(";
  50
  51         # Get keys from $wgAllMessagesEn, which is more complete than the local language
  52         $first = true;
  53         if ( $messageArray ) {
  54                 $sortedArray = $messageArray;
  55         } else {
  56                 $sortedArray = $wgAllMessagesEn;
  57         }
  58
  59         ksort( $sortedArray );
  60
  61         # SELECT all existing messages
  62         # Can't afford to be locking all rows for update, this script can take quite a long time to complete
  63         foreach ( $sortedArray as $key => $enMsg ) {
  64                 if ( $key == '' ) {
  65                         continue; // Skip odd members
  66                 }
  67                 if ( $first ) {
  68                         $first = false;
  69                 } else {
  70                         $sql .= ',';
  71                 }
  72                 $titleObj = Title::newFromText( $key );
  73                 $enctitle = $dbr->strencode($titleObj->getDBkey());
  74                 $sql .= "'$enctitle'";
  75         }
  76         $sql .= ')';
  77         $res = $dbr->query( $sql );
  78         $row = $dbr->fetchObject( $res );
  79
  80         # Read the results into an array
  81         # Decide whether or not each one needs to be overwritten
  82         $existingTitles = array();
  83         while ( $row ) {
  84                 if ( $row->cur_user_text != $username ) {
  85                         $existingTitles[$row->cur_title] = 'keep';
  86                 } else {
  87                         $existingTitles[$row->cur_title] = 'chuck';
  88                 }
  89
  90                 $row = $dbr->fetchObject( $res );
  91         }
  92
  93         # Insert queries are done in one multi-row insert
  94         # Here's the start of it:
  95         $sql = "INSERT INTO $cur (cur_namespace, cur_title, cur_text,
  96                 cur_user_text, cur_timestamp, cur_restrictions,
  97                 cur_is_new, inverse_timestamp, cur_touched) VALUES      ";
  98         $first = true;
  99         $talk = $wgLang->getNsText( NS_TALK );
 100         $mwtalk = $wgLang->getNsText( NS_MEDIAWIKI_TALK );
 101
 102         # Process each message
 103         foreach ( $sortedArray as $key => $enMsg ) {
 104                 if ( $key == '' ) {
 105                         continue; // Skip odd members
 106                 }
 107                 # Get message text
 108                 if ( $messageArray ) {
 109                         $message = $enMsg;
 110                 } else {
 111                         $message = wfMsgNoDB( $key );
 112                 }
 113                 $titleObj = Title::newFromText( $key );
 114                 $title = $titleObj->getDBkey();
 115                 $dbencMsg = $dbw->strencode( $message );
 116
 117                 # Update messages which already exist
 118                 if ( array_key_exists( $title, $existingTitles ) ) {
 119                         if ( $existingTitles[$title] == 'chuck' || $overwrite) {
 120                                 # print "$title\n";
 121                                 $mwTitleObj = Title::makeTitle( NS_MEDIAWIKI, $title );
 122                                 $article = new Article( $mwTitleObj );
 123                                 $article->quickEdit( $message );
 124                         }
 125                         $doInsert = false;
 126                 } else {
 127                         # Queue for insertion
 128                         if ( $first ) {
 129                                 $first = false;
 130                         } else {
 131                                 $sql .= ',';
 132                         }
 133                         $sql .=
 134                           "($ns,
 135                           '$title',
 136                           '$dbencMsg',
 137                           '$username',
 138                           '$timestamp',
 139                           'sysop',
 140                           1,
 141                           '$invTimestamp',
 142                           '$timestamp')";
 143                 }
 144
 145                 # Make table row for navigation page
 146                 $message = wfEscapeWikiText( $message );
 147                 $navText .=
 148 "<tr><td>
 149 [$wgServer$wgScript?title=MediaWiki:$title&action=edit $key]<br>
 150 [[$mwtalk:$title|$talk]]
 151 </td><td>
 152 $message
 153 </td><td>
 154 {{int:$title}}
 155 </td></tr>";
 156         }
 157
 158         # Perform the insert query
 159         if ( !$first ) {
 160                 $dbw->query( $sql, $fname );
 161         }
 162
 163         # Write the navigation page
 164
 165         $navText .= '</table>';
 166         $title = wfMsgNoDB( 'allmessages' );
 167         $titleObj = Title::makeTitle( NS_WIKIPEDIA, $title );
 168         $wgArticle = new Article( $titleObj );
 169         $wgOut->disable();
 170         $wgUser = User::newFromName( 'MediaWiki default' );
 171         if ( $titleObj->getArticleID() ) {
 172                 $wgArticle->updateArticle( $navText, '', 0, 0 );
 173         } else {
 174                 $wgArticle->insertNewArticle( $navText, '', 0, 0 );
 175         }
 176
 177         # Clear the relevant memcached key
 178         if( $wgUseMemCached ) {
 179                 print 'Clearing message cache...';
 180                 $wgMemc->delete( $wgDBname.':messages' );
 181                 print "Done.\n";
 182         }
 183 }
 184
 185 function loadLanguageFile( $filename )
 186 {
 187         $contents = file_get_contents( $filename );
 188         # Remove header line
 189         $p = strpos( $contents, "\n" ) + 1;
 190         $contents = substr( $contents, $p );
 191         # Unserialize
 192         return unserialize( $contents );
 193 }
 194
 195 function doUpdates() {
 196         global $wgDeferredUpdateList;
 197         foreach ( $wgDeferredUpdateList as $up ) { $up->doUpdate(); }
 198 }
 199
 200 ?>