maintenance/InitialiseMessages.inc

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