includes/RecentChange.php

   1 <?php
   2 /**
   3  *
   4  */
   5
   6 /**
   7  * Utility class for creating new RC entries
   8  * mAttribs:
   9  *      rc_id           id of the row in the recentchanges table
  10  *      rc_timestamp    time the entry was made
  11  *      rc_cur_time     timestamp on the cur row
  12  *      rc_namespace    namespace #
  13  *      rc_title        non-prefixed db key
  14  *      rc_type         is new entry, used to determine whether updating is necessary
  15  *      rc_minor        is minor
  16  *      rc_cur_id       page_id of associated page entry
  17  *      rc_user         user id who made the entry
  18  *      rc_user_text    user name who made the entry
  19  *      rc_comment      edit summary
  20  *      rc_this_oldid   rev_id associated with this entry (or zero)
  21  *      rc_last_oldid   rev_id associated with the entry before this one (or zero)
  22  *      rc_bot          is bot, hidden
  23  *      rc_ip           IP address of the user in dotted quad notation
  24  *      rc_new          obsolete, use rc_type==RC_NEW
  25  *      rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  26  *      rc_old_len      integer byte length of the text before the edit
  27  *      rc_new_len      the same after the edit
  28  *      rc_deleted              partial deletion
  29  *      rc_logid                the log_id value for this log entry (or zero)
  30  *  rc_log_type         the log type (or null)
  31  *      rc_log_action   the log action (or null)
  32  *  rc_params           log params
  33  *
  34  * mExtra:
  35  *      prefixedDBkey   prefixed db key, used by external app via msg queue
  36  *      lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  37  *      lang            the interwiki prefix, automatically set in save()
  38  *  oldSize         text size before the change
  39  *  newSize         text size after the change
  40  *
  41  * temporary:           not stored in the database
  42  *      notificationtimestamp
  43  *      numberofWatchingusers
  44  *
  45  * @todo document functions and variables
  46  */
  47 class RecentChange
  48 {
  49         var $mAttribs = array(), $mExtra = array();
  50         var $mTitle = false, $mMovedToTitle = false;
  51         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  52
  53         # Factory methods
  54
  55         public static function newFromRow( $row )
  56         {
  57                 $rc = new RecentChange;
  58                 $rc->loadFromRow( $row );
  59                 return $rc;
  60         }
  61
  62         public static function newFromCurRow( $row, $rc_this_oldid = 0 )
  63         {
  64                 $rc = new RecentChange;
  65                 $rc->loadFromCurRow( $row, $rc_this_oldid );
  66                 $rc->notificationtimestamp = false;
  67                 $rc->numberofWatchingusers = false;
  68                 return $rc;
  69         }
  70
  71         /**
  72          * Obtain the recent change with a given rc_id value
  73          *
  74          * @param $rcid rc_id value to retrieve
  75          * @return RecentChange
  76          */
  77         public static function newFromId( $rcid ) {
  78                 $dbr = wfGetDB( DB_SLAVE );
  79                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  80                 if( $res && $dbr->numRows( $res ) > 0 ) {
  81                         $row = $dbr->fetchObject( $res );
  82                         $dbr->freeResult( $res );
  83                         return self::newFromRow( $row );
  84                 } else {
  85                         return NULL;
  86                 }
  87         }
  88
  89         # Accessors
  90
  91         function setAttribs( $attribs )
  92         {
  93                 $this->mAttribs = $attribs;
  94         }
  95
  96         function setExtra( $extra )
  97         {
  98                 $this->mExtra = $extra;
  99         }
 100
 101         function &getTitle()
 102         {
 103                 if ( $this->mTitle === false ) {
 104                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 105                 }
 106                 return $this->mTitle;
 107         }
 108
 109         function getMovedToTitle()
 110         {
 111                 if ( $this->mMovedToTitle === false ) {
 112                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 113                                 $this->mAttribs['rc_moved_to_title'] );
 114                 }
 115                 return $this->mMovedToTitle;
 116         }
 117
 118         # Writes the data in this object to the database
 119         function save()
 120         {
 121                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPPort, $wgRC2UDPPrefix;
 122                 $fname = 'RecentChange::save';
 123
 124                 $dbw = wfGetDB( DB_MASTER );
 125                 if ( !is_array($this->mExtra) ) {
 126                         $this->mExtra = array();
 127                 }
 128                 $this->mExtra['lang'] = $wgLocalInterwiki;
 129
 130                 if ( !$wgPutIPinRC ) {
 131                         $this->mAttribs['rc_ip'] = '';
 132                 }
 133
 134                 ## If our database is strict about IP addresses, use NULL instead of an empty string
 135                 if ( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 136                         unset( $this->mAttribs['rc_ip'] );
 137                 }
 138
 139                 # Fixup database timestamps
 140                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 141                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 142                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 143
 144                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 145                 if ( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 146                         unset ( $this->mAttribs['rc_cur_id'] );
 147                 }
 148
 149                 # Insert new row
 150                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 151
 152                 # Set the ID
 153                 $this->mAttribs['rc_id'] = $dbw->insertId();
 154
 155                 # Update old rows, if necessary
 156                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 157                         $lastTime = $this->mExtra['lastTimestamp'];
 158                         #$now = $this->mAttribs['rc_timestamp'];
 159                         #$curId = $this->mAttribs['rc_cur_id'];
 160
 161                         # Don't bother looking for entries that have probably
 162                         # been purged, it just locks up the indexes needlessly.
 163                         global $wgRCMaxAge;
 164                         $age = time() - wfTimestamp( TS_UNIX, $lastTime );
 165                         if( $age < $wgRCMaxAge ) {
 166                                 # live hack, will commit once tested - kate
 167                                 # Update rc_this_oldid for the entries which were current
 168                                 #
 169                                 #$oldid = $this->mAttribs['rc_last_oldid'];
 170                                 #$ns = $this->mAttribs['rc_namespace'];
 171                                 #$title = $this->mAttribs['rc_title'];
 172                                 #
 173                                 #$dbw->update( 'recentchanges',
 174                                 #       array( /* SET */
 175                                 #               'rc_this_oldid' => $oldid
 176                                 #       ), array( /* WHERE */
 177                                 #               'rc_namespace' => $ns,
 178                                 #               'rc_title' => $title,
 179                                 #               'rc_timestamp' => $dbw->timestamp( $lastTime )
 180                                 #       ), $fname
 181                                 #);
 182                         }
 183
 184                         # Update rc_cur_time
 185                         #$dbw->update( 'recentchanges', array( 'rc_cur_time' => $now ),
 186                         #       array( 'rc_cur_id' => $curId ), $fname );
 187                 }
 188
 189                 # Notify external application via UDP
 190                 if ( $wgRC2UDPAddress ) {
 191                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 192                         if ( $conn ) {
 193                                 $line = $wgRC2UDPPrefix . $this->getIRCLine();
 194                                 socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
 195                                 socket_close( $conn );
 196                         }
 197                 }
 198
 199                 # E-mail notifications
 200                 global $wgUseEnotif;
 201                 if( $wgUseEnotif ) {
 202                         # this would be better as an extension hook
 203                         include_once( "UserMailer.php" );
 204                         $enotif = new EmailNotification();
 205                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 206                         $enotif->notifyOnPageChange( $title,
 207                                 $this->mAttribs['rc_timestamp'],
 208                                 $this->mAttribs['rc_comment'],
 209                                 $this->mAttribs['rc_minor'],
 210                                 $this->mAttribs['rc_last_oldid'] );
 211                 }
 212
 213                 # Notify extensions
 214                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 215         }
 216
 217         # Marks a certain row as patrolled
 218         function markPatrolled( $rcid )
 219         {
 220                 $fname = 'RecentChange::markPatrolled';
 221
 222                 $dbw = wfGetDB( DB_MASTER );
 223
 224                 $dbw->update( 'recentchanges',
 225                         array( /* SET */
 226                                 'rc_patrolled' => 1
 227                         ), array( /* WHERE */
 228                                 'rc_id' => $rcid
 229                         ), $fname
 230                 );
 231         }
 232
 233         # Makes an entry in the database corresponding to an edit
 234         /*static*/ function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 235                 $oldId, $lastTimestamp, $bot="default", $ip='', $oldSize=0, $newSize=0, $newId=0)
 236         {
 237
 238                 if ( $bot === 'default' ) {
 239                         $bot = $user->isAllowed( 'bot' );
 240                 }
 241
 242                 if ( !$ip ) {
 243                         $ip = wfGetIP();
 244                         if ( !$ip ) {
 245                                 $ip = '';
 246                         }
 247                 }
 248
 249                 $rc = new RecentChange;
 250                 $rc->mAttribs = array(
 251                         'rc_timestamp'  => $timestamp,
 252                         'rc_cur_time'   => $timestamp,
 253                         'rc_namespace'  => $title->getNamespace(),
 254                         'rc_title'      => $title->getDBkey(),
 255                         'rc_type'       => RC_EDIT,
 256                         'rc_minor'      => $minor ? 1 : 0,
 257                         'rc_cur_id'     => $title->getArticleID(),
 258                         'rc_user'       => $user->getID(),
 259                         'rc_user_text'  => $user->getName(),
 260                         'rc_comment'    => $comment,
 261                         'rc_this_oldid' => $newId,
 262                         'rc_last_oldid' => $oldId,
 263                         'rc_bot'        => $bot ? 1 : 0,
 264                         'rc_moved_to_ns'        => 0,
 265                         'rc_moved_to_title'     => '',
 266                         'rc_ip'         => $ip,
 267                         'rc_patrolled'  => 0,
 268                         'rc_new'        => 0,  # obsolete
 269                         'rc_old_len'    => $oldSize,
 270                         'rc_new_len'    => $newSize,
 271                         'rc_deleted'    => 0,
 272                         'rc_logid'              => 0,
 273                         'rc_log_type'   => null,
 274                         'rc_log_action' => '',
 275                         'rc_params'             => ''
 276                 );
 277
 278                 $rc->mExtra =  array(
 279                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 280                         'lastTimestamp' => $lastTimestamp,
 281                         'oldSize'       => $oldSize,
 282                         'newSize'       => $newSize,
 283                 );
 284                 $rc->save();
 285                 return( $rc->mAttribs['rc_id'] );
 286         }
 287
 288         /**
 289          * Makes an entry in the database corresponding to page creation
 290          * Note: the title object must be loaded with the new id using resetArticleID()
 291          * @todo Document parameters and return
 292          * @public
 293          * @static
 294          */
 295         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot = "default",
 296           $ip='', $size=0, $newId=0 )
 297         {
 298                 if ( !$ip ) {
 299                         $ip = wfGetIP();
 300                         if ( !$ip ) {
 301                                 $ip = '';
 302                         }
 303                 }
 304
 305                 if ( $bot == 'default' ) {
 306                         $bot = $user->isAllowed( 'bot' );
 307                 }
 308
 309                 $rc = new RecentChange;
 310                 $rc->mAttribs = array(
 311                         'rc_timestamp'      => $timestamp,
 312                         'rc_cur_time'       => $timestamp,
 313                         'rc_namespace'      => $title->getNamespace(),
 314                         'rc_title'          => $title->getDBkey(),
 315                         'rc_type'           => RC_NEW,
 316                         'rc_minor'          => $minor ? 1 : 0,
 317                         'rc_cur_id'         => $title->getArticleID(),
 318                         'rc_user'           => $user->getID(),
 319                         'rc_user_text'      => $user->getName(),
 320                         'rc_comment'        => $comment,
 321                         'rc_this_oldid'     => $newId,
 322                         'rc_last_oldid'     => 0,
 323                         'rc_bot'            => $bot ? 1 : 0,
 324                         'rc_moved_to_ns'    => 0,
 325                         'rc_moved_to_title' => '',
 326                         'rc_ip'             => $ip,
 327                         'rc_patrolled'      => 0,
 328                         'rc_new'                => 1, # obsolete
 329                         'rc_old_len'        => 0,
 330                         'rc_new_len'        => $size,
 331                         'rc_deleted'            => 0,
 332                         'rc_logid'                      => 0,
 333                         'rc_log_type'           => null,
 334                         'rc_log_action'         => '',
 335                         'rc_params'                     => ''
 336                 );
 337
 338                 $rc->mExtra =  array(
 339                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 340                         'lastTimestamp' => 0,
 341                         'oldSize' => 0,
 342                         'newSize' => $size
 343                 );
 344                 $rc->save();
 345                 return( $rc->mAttribs['rc_id'] );
 346         }
 347
 348         # Makes an entry in the database corresponding to a rename
 349         /*static*/ function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 350         {
 351                 if ( !$ip ) {
 352                         $ip = wfGetIP();
 353                         if ( !$ip ) {
 354                                 $ip = '';
 355                         }
 356                 }
 357
 358                 $rc = new RecentChange;
 359                 $rc->mAttribs = array(
 360                         'rc_timestamp'  => $timestamp,
 361                         'rc_cur_time'   => $timestamp,
 362                         'rc_namespace'  => $oldTitle->getNamespace(),
 363                         'rc_title'      => $oldTitle->getDBkey(),
 364                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 365                         'rc_minor'      => 0,
 366                         'rc_cur_id'     => $oldTitle->getArticleID(),
 367                         'rc_user'       => $user->getID(),
 368                         'rc_user_text'  => $user->getName(),
 369                         'rc_comment'    => $comment,
 370                         'rc_this_oldid' => 0,
 371                         'rc_last_oldid' => 0,
 372                         'rc_bot'        => $user->isAllowed( 'bot' ) ? 1 : 0,
 373                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 374                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 375                         'rc_ip'         => $ip,
 376                         'rc_new'        => 0, # obsolete
 377                         'rc_patrolled'  => 1,
 378                         'rc_old_len'    => NULL,
 379                         'rc_new_len'    => NULL,
 380                         'rc_deleted'    => 0,
 381                         'rc_logid'              => 0, # notifyMove not used anymore
 382                         'rc_log_type'   => null,
 383                         'rc_log_action' => '',
 384                         'rc_params'             => ''
 385                 );
 386
 387                 $rc->mExtra = array(
 388                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 389                         'lastTimestamp' => 0,
 390                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 391                 );
 392                 $rc->save();
 393         }
 394
 395         /* static */ function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 396                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 397         }
 398
 399         /* static */ function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 400                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 401         }
 402
 403         # A log entry is different to an edit in that previous revisions are not kept
 404         /*static*/ function notifyLog( $timestamp, &$title, &$user, $actionText = null, $ip='',
 405            $type, $action, $target, $logComment, $params, $newId=0 )
 406         {
 407                 if ( !$ip ) {
 408                         $ip = wfGetIP();
 409                         if ( !$ip ) $ip = '';
 410                 }
 411                 $rc = new RecentChange;
 412                 $rc->mAttribs = array(
 413                         'rc_timestamp'  => $timestamp,
 414                         'rc_cur_time'   => $timestamp,
 415                         'rc_namespace'  => $title->getNamespace(),
 416                         'rc_title'      => $title->getDBkey(),
 417                         'rc_type'       => RC_LOG,
 418                         'rc_minor'      => 0,
 419                         'rc_cur_id'     => $title->getArticleID(),
 420                         'rc_user'       => $user->getID(),
 421                         'rc_user_text'  => $user->getName(),
 422                         'rc_comment'    => $logComment,
 423                         'rc_this_oldid' => 0,
 424                         'rc_last_oldid' => 0,
 425                         'rc_bot'        => $user->isAllowed( 'bot' ) ? 1 : 0,
 426                         'rc_moved_to_ns'        => 0,
 427                         'rc_moved_to_title'     => '',
 428                         'rc_ip' => $ip,
 429                         'rc_patrolled' => 1,
 430                         'rc_new'        => 0, # obsolete
 431                         'rc_old_len'    => NULL,
 432                         'rc_new_len'    => NULL,
 433                         'rc_deleted'    => 0,
 434                         'rc_logid'              => $newId,
 435                         'rc_log_type'   => $type,
 436                         'rc_log_action' => $action,
 437                         'rc_params'             => $params
 438                 );
 439                 $rc->mExtra =  array(
 440                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 441                         'lastTimestamp' => 0,
 442                         'logType' => $type,
 443                         'logAction' => $action,
 444                         'logComment' => $logComment,
 445                         'logTarget' => $target,
 446                         'logParams' => $params
 447                 );
 448                 $rc->save();
 449         }
 450
 451         # Initialises the members of this object from a mysql row object
 452         function loadFromRow( $row )
 453         {
 454                 $this->mAttribs = get_object_vars( $row );
 455                 $this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
 456                 $this->mExtra = array();
 457         }
 458
 459         # Makes a pseudo-RC entry from a cur row
 460         function loadFromCurRow( $row )
 461         {
 462                 $this->mAttribs = array(
 463                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 464                         'rc_cur_time' => $row->rev_timestamp,
 465                         'rc_user' => $row->rev_user,
 466                         'rc_user_text' => $row->rev_user_text,
 467                         'rc_namespace' => $row->page_namespace,
 468                         'rc_title' => $row->page_title,
 469                         'rc_comment' => $row->rev_comment,
 470                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 471                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 472                         'rc_cur_id' => $row->page_id,
 473                         'rc_this_oldid' => $row->rev_id,
 474                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 475                         'rc_bot'        => 0,
 476                         'rc_moved_to_ns'        => 0,
 477                         'rc_moved_to_title'     => '',
 478                         'rc_ip' => '',
 479                         'rc_id' => $row->rc_id,
 480                         'rc_patrolled' => $row->rc_patrolled,
 481                         'rc_new' => $row->page_is_new, # obsolete
 482                         'rc_old_len' => $row->rc_old_len,
 483                         'rc_new_len' => $row->rc_new_len,
 484                         'rc_deleted'  => $row->rc_deleted,
 485                         'rc_logid'      => $row->rc_logid,
 486                         'rc_log_type'   => $row->rc_log_type,
 487                         'rc_log_action' => $row->rc_log_action,
 488                         'rc_params'     => $row->rc_params
 489                 );
 490
 491                 $this->mExtra = array();
 492         }
 493
 494         /**
 495          * Get an attribute value
 496          *
 497          * @param $name Attribute name
 498          * @return mixed
 499          */
 500         public function getAttribute( $name ) {
 501                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : NULL;
 502         }
 503
 504         /**
 505          * Gets the end part of the diff URL associated with this object
 506          * Blank if no diff link should be displayed
 507          */
 508         function diffLinkTrail( $forceCur )
 509         {
 510                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 511                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 512                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 513                         if ( $forceCur ) {
 514                                 $trail .= '&diff=0' ;
 515                         } else {
 516                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 517                         }
 518                 } else {
 519                         $trail = '';
 520                 }
 521                 return $trail;
 522         }
 523
 524         function cleanupForIRC( $text ) {
 525                 return str_replace(array("\n", "\r"), array("", ""), $text);
 526         }
 527
 528         function getIRCLine() {
 529                 global $wgUseRCPatrol;
 530
 531                 // FIXME: Would be good to replace these 2 extract() calls with something more explicit
 532                 // e.g. list ($rc_type, $rc_id) = array_values ($this->mAttribs); [or something like that]
 533                 extract($this->mAttribs);
 534                 extract($this->mExtra);
 535
 536                 $titleObj =& $this->getTitle();
 537                 if ( $rc_type == RC_LOG ) {
 538                         $title = Namespace::getCanonicalName( $titleObj->getNamespace() ) . $titleObj->getText();
 539                 } else {
 540                         $title = $titleObj->getPrefixedText();
 541                 }
 542                 $title = $this->cleanupForIRC( $title );
 543
 544                 $bad = array("\n", "\r");
 545                 $empty = array("", "");
 546                 $title = $titleObj->getPrefixedText();
 547                 $title = str_replace($bad, $empty, $title);
 548
 549                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 550                 if ( $rc_type == RC_LOG ) {
 551                         $url = '';
 552                 } elseif ( $rc_new && $wgUseRCPatrol ) {
 553                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 554                 } else if ( $rc_new ) {
 555                         $url = $titleObj->getInternalURL();
 556                 } else if ( $wgUseRCPatrol ) {
 557                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 558                 } else {
 559                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 560                 }
 561
 562                 if ( isset( $oldSize ) && isset( $newSize ) ) {
 563                         $szdiff = $newSize - $oldSize;
 564                         if ($szdiff < -500) {
 565                                 $szdiff = "\002$szdiff\002";
 566                         } elseif ($szdiff >= 0) {
 567                                 $szdiff = '+' . $szdiff ;
 568                         }
 569                         $szdiff = '(' . $szdiff . ')' ;
 570                 } else {
 571                         $szdiff = '';
 572                 }
 573
 574                 $user = $this->cleanupForIRC( $rc_user_text );
 575
 576                 if ( $rc_type == RC_LOG ) {
 577                         $logTargetText = $logTarget->getPrefixedText();
 578                         $comment = $this->cleanupForIRC( str_replace( $logTargetText, "\00302$logTargetText\00310", $rc_comment ) );
 579                         $flag = $logAction;
 580                 } else {
 581                         $comment = $this->cleanupForIRC( $rc_comment );
 582                         $flag = ($rc_minor ? "M" : "") . ($rc_new ? "N" : "");
 583                 }
 584                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 585                 # no colour (\003) switches back to the term default
 586                 $fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
 587                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 588                 return $fullString;
 589         }
 590
 591         /**
 592          * Returns the change size (HTML).
 593          * The lengths can be given optionally.
 594          */
 595         function getCharacterDifference( $old = 0, $new = 0 ) {
 596                 global $wgRCChangedSizeThreshold, $wgLang;
 597
 598                 if( $old === 0 ) {
 599                         $old = $this->mAttribs['rc_old_len'];
 600                 }
 601                 if( $new === 0 ) {
 602                         $new = $this->mAttribs['rc_new_len'];
 603                 }
 604
 605                 if( $old === NULL || $new === NULL ) {
 606                         return '';
 607                 }
 608
 609                 $szdiff = $new - $old;
 610                 $formatedSize = wfMsgExt( 'rc-change-size', array( 'parsemag', 'escape'),
 611                         $wgLang->formatNum($szdiff) );
 612
 613                 if( $szdiff < $wgRCChangedSizeThreshold ) {
 614                         return '<strong class=\'mw-plusminus-neg\'>(' . $formatedSize . ')</strong>';
 615                 } elseif( $szdiff === 0 ) {
 616                         return '<span class=\'mw-plusminus-null\'>(' . $formatedSize . ')</span>';
 617                 } elseif( $szdiff > 0 ) {
 618                         return '<span class=\'mw-plusminus-pos\'>(+' . $formatedSize . ')</span>';
 619                 } else {
 620                         return '<span class=\'mw-plusminus-neg\'>(' . $formatedSize . ')</span>';
 621                 }
 622         }
 623 }
 624 ?>