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         # Don't try to draw messages from the database we're initialising
  13         $wgMessageCache->disable();
  14
  15         $fname = "initialiseMessages";
  16         $ns = NS_MEDIAWIKI;
  17         # cur_user_text responsible for the modifications
  18         # Don't change it unless you're prepared to update the DBs accordingly, otherwise the
  19         # default messages won't be overwritte
  20         $username = "MediaWiki default";
  21
  22         $timestamp = wfTimestampNow();
  23         $invTimestamp = wfInvertTimestamp( $timestamp );
  24         $mwMsg =& MagicWord::get( MAG_MSG );
  25         $navText = str_replace( "$1", "allmessagestext", $mwMsg->getSynonym( 0 ) );
  26         $navText .= "
  27
  28 <table border=1 width=100%><tr><td>
  29   '''Name'''
  30 </td><td>
  31   '''Default text'''
  32 </td><td>
  33   '''Current text'''
  34 </td></tr>";
  35
  36         print "Initialising \"MediaWiki\" namespace...\n";
  37         $sql = "SELECT cur_title,cur_is_new,cur_user_text FROM cur WHERE cur_namespace=$ns AND cur_title IN(";
  38
  39         # Get keys from $wgAllMessagesEn, which is more complete than the local language
  40         $first = true;
  41         if ( $messageArray ) {
  42                 $sortedArray = $wgAllMessagesEn;
  43         } else {
  44                 $sortedArray = $wgAllMessagesEn;
  45         }
  46
  47         ksort( $sortedArray );
  48
  49         # SELECT all existing messages
  50         foreach ( $sortedArray as $key => $enMsg ) {
  51                 if ( $first ) {
  52                         $first = false;
  53                 } else {
  54                         $sql .= ",";
  55                 }
  56                 $titleObj = Title::newFromText( $key );
  57                 $enctitle = wfStrencode($titleObj->getDBkey());
  58                 $sql .= "'$enctitle'";
  59         }
  60         $sql .= ")";
  61         $res = wfQuery( $sql, DB_READ );
  62         $row = wfFetchObject( $res );
  63
  64         # Read the results into an array
  65         # Decide whether or not each one needs to be overwritten
  66         $existingTitles = array();
  67         while ( $row ) {
  68                 if ( !$row->cur_is_new || $row->cur_user_text != $username ) {
  69                         $existingTitles[$row->cur_title] = "keep";
  70                 } else {
  71                         $existingTitles[$row->cur_title] = "chuck";
  72                 }
  73
  74                 $row = wfFetchObject( $res );
  75         }
  76
  77         # Insert queries are done in one multi-row insert
  78         # Here's the start of it:
  79         $sql = "INSERT INTO cur (cur_namespace, cur_title, cur_text,
  80                 cur_user_text, cur_timestamp, cur_restrictions,
  81                 cur_is_new, inverse_timestamp, cur_touched) VALUES      ";
  82         $first = true;
  83         $mwObj =& MagicWord::get( MAG_MSGNW );
  84         $msgnw = $mwObj->getSynonym( 0 );
  85         $talk = $wgLang->getNsText( NS_TALK );
  86         $mwtalk = $wgLang->getNsText( NS_MEDIAWIKI_TALK );
  87
  88         # Process each message
  89         foreach ( $sortedArray as $key => $enMsg ) {
  90                 # Get message text
  91                 if ( $messageArray ) {
  92                         $message = $enMsg;
  93                 } else {
  94                         $message = wfMsgNoDB( $key );
  95                 }
  96                 $titleObj = Title::newFromText( $key );
  97                 $title = $titleObj->getDBkey();
  98                 $dbencMsg = wfStrencode( $message );
  99
 100                 # Update messages which already exist
 101                 # Note: UPDATE is now used instead of DELETE/INSERT to avoid wiping cur_restrictions
 102                 if ( array_key_exists( $title, $existingTitles ) ) {
 103                         if ( $existingTitles[$title] == "chuck" || $overwrite) {
 104                                 wfQuery( "UPDATE cur
 105                                   SET
 106                                     cur_text='$dbencMsg',
 107                                     cur_user=0,
 108                                     cur_user_text='$username',
 109                                     cur_timestamp='$timestamp',
 110                                         cur_touched='$timestamp',
 111                                     inverse_timestamp='$invTimestamp'
 112                                   WHERE cur_namespace=8 and cur_title='$title'", DB_WRITE
 113                                 );
 114                         }
 115                         $doInsert = false;
 116                 } else {
 117                         # Queue for insertion
 118                         if ( $first ) {
 119                                 $first = false;
 120                         } else {
 121                                 $sql .= ",";
 122                         }
 123                         $sql .=
 124                           "($ns,
 125                           '$title',
 126                           '$dbencMsg',
 127                           '$username',
 128                           '$timestamp',
 129                           'sysop',
 130                           1,
 131                           '$invTimestamp',
 132                           '$timestamp')";
 133                 }
 134
 135                 # Make table row for navigation page
 136                 $mw = str_replace( "$1", $key, $msgnw );
 137
 138                 $message = wfEscapeWikiText( $message );
 139                 $navText .=
 140 "<tr><td>
 141   [$wgServer$wgScript?title=MediaWiki:$title&action=edit $key]<br>
 142   [[$mwtalk:$title|$talk]]
 143 </td><td>
 144   $message
 145 </td><td>
 146   $mw
 147 </td></tr>";
 148         }
 149
 150         # Perform the insert query
 151         if ( !$first ) {
 152                 wfQuery( $sql, DB_WRITE, $fname );
 153         }
 154
 155         # Write the navigation page
 156
 157         $navText .= "</table>";
 158         $title = wfMsgNoDB( "allmessages" );
 159         $titleObj = Title::makeTitle( NS_MEDIAWIKI, $title );
 160         $wgArticle = new Article( $titleObj );
 161         $wgOut->disable();
 162         $wgUser = User::newFromName( 'MediaWiki default' );
 163         if ( $titleObj->getArticleID() ) {
 164                 $wgArticle->updateArticle( $navText, '', 0, 0 );
 165         } else {
 166                 $wgArticle->insertNewArticle( $navText, '', 0, 0 );
 167         }
 168
 169         # Clear the relevant memcached key
 170         if( $wgUseMemCached ) {
 171                 print "Clearing message cache...";
 172                 $wgMemc->delete( "$wgDBname:messages" );
 173                 print "Done.\n";
 174         }
 175 }
 176
 177 function loadArrayFromFile( $filename )
 178 {
 179         $contents = file_get_contents( $filename );
 180         return unserialize( $contents );
 181 }
 182
 183 ?>