includes/RecentChange.php

   1 <?php
   2
   3 /**
   4  * Utility class for creating new RC entries
   5  * mAttribs:
   6  *      rc_id           id of the row in the recentchanges table
   7  *      rc_timestamp    time the entry was made
   8  *      rc_cur_time     timestamp on the cur row
   9  *      rc_namespace    namespace #
  10  *      rc_title        non-prefixed db key
  11  *      rc_type         is new entry, used to determine whether updating is necessary
  12  *      rc_minor        is minor
  13  *      rc_cur_id       page_id of associated page entry
  14  *      rc_user         user id who made the entry
  15  *      rc_user_text    user name who made the entry
  16  *      rc_comment      edit summary
  17  *      rc_this_oldid   rev_id associated with this entry (or zero)
  18  *      rc_last_oldid   rev_id associated with the entry before this one (or zero)
  19  *      rc_bot          is bot, hidden
  20  *      rc_ip           IP address of the user in dotted quad notation
  21  *      rc_new          obsolete, use rc_type==RC_NEW
  22  *      rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  23  *      rc_old_len      integer byte length of the text before the edit
  24  *      rc_new_len      the same after the edit
  25   *     rc_deleted              partial deletion
  26  *      rc_logid                the log_id value for this log entry (or zero)
  27  *  rc_log_type         the log type (or null)
  28  *      rc_log_action   the log action (or null)
  29  *  rc_params           log params
  30  *
  31  * mExtra:
  32  *      prefixedDBkey   prefixed db key, used by external app via msg queue
  33  *      lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  34  *      lang            the interwiki prefix, automatically set in save()
  35  *  oldSize         text size before the change
  36  *  newSize         text size after the change
  37  *
  38  * temporary:           not stored in the database
  39  *      notificationtimestamp
  40  *      numberofWatchingusers
  41  *
  42  * @todo document functions and variables
  43  */
  44 class RecentChange
  45 {
  46         var $mAttribs = array(), $mExtra = array();
  47         var $mTitle = false, $mMovedToTitle = false;
  48         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  49
  50         # Factory methods
  51
  52         public static function newFromRow( $row ) {
  53                 $rc = new RecentChange;
  54                 $rc->loadFromRow( $row );
  55                 return $rc;
  56         }
  57
  58         public static function newFromCurRow( $row ) {
  59                 $rc = new RecentChange;
  60                 $rc->loadFromCurRow( $row );
  61                 $rc->notificationtimestamp = false;
  62                 $rc->numberofWatchingusers = false;
  63                 return $rc;
  64         }
  65
  66         /**
  67          * Obtain the recent change with a given rc_id value
  68          *
  69          * @param $rcid rc_id value to retrieve
  70          * @return RecentChange
  71          */
  72         public static function newFromId( $rcid ) {
  73                 $dbr = wfGetDB( DB_SLAVE );
  74                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  75                 if( $res && $dbr->numRows( $res ) > 0 ) {
  76                         $row = $dbr->fetchObject( $res );
  77                         $dbr->freeResult( $res );
  78                         return self::newFromRow( $row );
  79                 } else {
  80                         return NULL;
  81                 }
  82         }
  83
  84         /**
  85          * Find the first recent change matching some specific conditions
  86          *
  87          * @param array $conds Array of conditions
  88          * @param mixed $fname Override the method name in profiling/logs
  89          * @return RecentChange
  90          */
  91         public static function newFromConds( $conds, $fname = false ) {
  92                 if( $fname === false )
  93                         $fname = __METHOD__;
  94                 $dbr = wfGetDB( DB_SLAVE );
  95                 $res = $dbr->select(
  96                         'recentchanges',
  97                         '*',
  98                         $conds,
  99                         $fname
 100                 );
 101                 if( $res instanceof ResultWrapper && $res->numRows() > 0 ) {
 102                         $row = $res->fetchObject();
 103                         $res->free();
 104                         return self::newFromRow( $row );
 105                 }
 106                 return null;
 107         }
 108
 109         # Accessors
 110
 111         public function setAttribs( $attribs ) {
 112                 $this->mAttribs = $attribs;
 113         }
 114
 115         public function setExtra( $extra ) {
 116                 $this->mExtra = $extra;
 117         }
 118
 119         public function &getTitle() {
 120                 if( $this->mTitle === false ) {
 121                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 122                 }
 123                 return $this->mTitle;
 124         }
 125
 126         public function getMovedToTitle() {
 127                 if( $this->mMovedToTitle === false ) {
 128                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 129                                 $this->mAttribs['rc_moved_to_title'] );
 130                 }
 131                 return $this->mMovedToTitle;
 132         }
 133
 134         # Writes the data in this object to the database
 135         public function save() {
 136                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 137                 $fname = 'RecentChange::save';
 138
 139                 $dbw = wfGetDB( DB_MASTER );
 140                 if( !is_array($this->mExtra) ) {
 141                         $this->mExtra = array();
 142                 }
 143                 $this->mExtra['lang'] = $wgLocalInterwiki;
 144
 145                 if( !$wgPutIPinRC ) {
 146                         $this->mAttribs['rc_ip'] = '';
 147                 }
 148
 149                 # If our database is strict about IP addresses, use NULL instead of an empty string
 150                 if( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 151                         unset( $this->mAttribs['rc_ip'] );
 152                 }
 153
 154                 # Fixup database timestamps
 155                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 156                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 157                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 158
 159                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 160                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 161                         unset ( $this->mAttribs['rc_cur_id'] );
 162                 }
 163
 164                 # Insert new row
 165                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 166
 167                 # Set the ID
 168                 $this->mAttribs['rc_id'] = $dbw->insertId();
 169
 170                 # Notify external application via UDP
 171                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 172                         self::sendToUDP( $this->getIRCLine() );
 173                 }
 174
 175                 # E-mail notifications
 176                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 177                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 178                         // Users
 179                         if( $this->mAttribs['rc_user'] ) {
 180                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 181                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 182                         // Anons
 183                         } else {
 184                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 185                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 186                         }
 187                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 188                         PageChangeNotification::notifyOnPageChange( $editor, $title,
 189                                 $this->mAttribs['rc_timestamp'],
 190                                 $this->mAttribs['rc_comment'],
 191                                 $this->mAttribs['rc_minor'],
 192                                 $this->mAttribs['rc_last_oldid'] );
 193                 }
 194
 195                 # Notify extensions
 196                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 197         }
 198
 199         /**
 200          * Send some text to UDP
 201          * @param string $line
 202          * @param string $prefix
 203          * @param string $address
 204          * @return bool success
 205          */
 206         public static function sendToUDP( $line, $address = '', $prefix = '' ) {
 207                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 208                 # Assume default for standard RC case
 209                 $address = $address ? $address : $wgRC2UDPAddress;
 210                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 211                 # Notify external application via UDP
 212                 if( $address ) {
 213                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 214                         if( $conn ) {
 215                                 $line = $prefix . $line;
 216                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $wgRC2UDPPort );
 217                                 socket_close( $conn );
 218                                 return true;
 219                         }
 220                 }
 221                 return false;
 222         }
 223
 224         /**
 225          * Remove newlines and carriage returns
 226          * @param string $line
 227          * @return string
 228          */
 229         public static function cleanupForIRC( $text ) {
 230                 return str_replace(array("\n", "\r"), array("", ""), $text);
 231         }
 232
 233         /**
 234          * Mark a given change as patrolled
 235          *
 236          * @param mixed $change RecentChange or corresponding rc_id
 237          * @param bool $auto for automatic patrol
 238          * @return See doMarkPatrolled(), or null if $change is not an existing rc_id
 239          */
 240         public static function markPatrolled( $change, $auto = false ) {
 241                 $change = $change instanceof RecentChange
 242                         ? $change
 243                         : RecentChange::newFromId($change);
 244                 if( !$change instanceof RecentChange ) {
 245                         return null;
 246                 }
 247                 return $change->doMarkPatrolled( $auto );
 248         }
 249
 250         /**
 251          * Mark this RecentChange as patrolled
 252          *
 253          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 254          * @param bool $auto for automatic patrol
 255          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 256          */
 257         public function doMarkPatrolled( $auto = false ) {
 258                 global $wgUser, $wgUseRCPatrol, $wgUseNPPatrol;
 259                 $errors = array();
 260                 // If recentchanges patrol is disabled, only new pages
 261                 // can be patrolled
 262                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 263                         $errors[] = array('rcpatroldisabled');
 264                 }
 265                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 266                 $right = $auto ? 'autopatrol' : 'patrol';
 267                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $wgUser ) );
 268                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$wgUser, false)) ) {
 269                         $errors[] = array('hookaborted');
 270                 }
 271                 // Users without the 'autopatrol' right can't patrol their
 272                 // own revisions
 273                 if( $wgUser->getName() == $this->getAttribute('rc_user_text') && !$wgUser->isAllowed('autopatrol') ) {
 274                         $errors[] = array('markedaspatrollederror-noautopatrol');
 275                 }
 276                 if( $errors ) {
 277                         return $errors;
 278                 }
 279                 // If the change was patrolled already, do nothing
 280                 if( $this->getAttribute('rc_patrolled') ) {
 281                         return array();
 282                 }
 283                 // Actually set the 'patrolled' flag in RC
 284                 $this->reallyMarkPatrolled();
 285                 // Log this patrol event
 286                 PatrolLog::record( $this, $auto );
 287                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$wgUser, false) );
 288                 return array();
 289         }
 290
 291         /**
 292          * Mark this RecentChange patrolled, without error checking
 293          * @return int Number of affected rows
 294          */
 295         public function reallyMarkPatrolled() {
 296                 $dbw = wfGetDB( DB_MASTER );
 297                 $dbw->update(
 298                         'recentchanges',
 299                         array(
 300                                 'rc_patrolled' => 1
 301                         ),
 302                         array(
 303                                 'rc_id' => $this->getAttribute('rc_id')
 304                         ),
 305                         __METHOD__
 306                 );
 307                 return $dbw->affectedRows();
 308         }
 309
 310         # Makes an entry in the database corresponding to an edit
 311         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 312                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 )
 313         {
 314                 if( !$ip ) {
 315                         $ip = wfGetIP();
 316                         if( !$ip ) {
 317                                 $ip = '';
 318                         }
 319                 }
 320
 321                 $rc = new RecentChange;
 322                 $rc->mAttribs = array(
 323                         'rc_timestamp'  => $timestamp,
 324                         'rc_cur_time'   => $timestamp,
 325                         'rc_namespace'  => $title->getNamespace(),
 326                         'rc_title'      => $title->getDBkey(),
 327                         'rc_type'       => RC_EDIT,
 328                         'rc_minor'      => $minor ? 1 : 0,
 329                         'rc_cur_id'     => $title->getArticleID(),
 330                         'rc_user'       => $user->getId(),
 331                         'rc_user_text'  => $user->getName(),
 332                         'rc_comment'    => $comment,
 333                         'rc_this_oldid' => $newId,
 334                         'rc_last_oldid' => $oldId,
 335                         'rc_bot'        => $bot ? 1 : 0,
 336                         'rc_moved_to_ns'        => 0,
 337                         'rc_moved_to_title'     => '',
 338                         'rc_ip'         => $ip,
 339                         'rc_patrolled'  => intval($patrol),
 340                         'rc_new'        => 0,  # obsolete
 341                         'rc_old_len'    => $oldSize,
 342                         'rc_new_len'    => $newSize,
 343                         'rc_deleted'    => 0,
 344                         'rc_logid'              => 0,
 345                         'rc_log_type'   => null,
 346                         'rc_log_action' => '',
 347                         'rc_params'             => ''
 348                 );
 349
 350                 $rc->mExtra =  array(
 351                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 352                         'lastTimestamp' => $lastTimestamp,
 353                         'oldSize'       => $oldSize,
 354                         'newSize'       => $newSize,
 355                 );
 356                 $rc->save();
 357                 return $rc;
 358         }
 359
 360         /**
 361          * Makes an entry in the database corresponding to page creation
 362          * Note: the title object must be loaded with the new id using resetArticleID()
 363          * @todo Document parameters and return
 364          */
 365         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 366                 $ip='', $size=0, $newId=0, $patrol=0 )
 367         {
 368                 if( !$ip ) {
 369                         $ip = wfGetIP();
 370                         if( !$ip ) {
 371                                 $ip = '';
 372                         }
 373                 }
 374
 375                 $rc = new RecentChange;
 376                 $rc->mAttribs = array(
 377                         'rc_timestamp'      => $timestamp,
 378                         'rc_cur_time'       => $timestamp,
 379                         'rc_namespace'      => $title->getNamespace(),
 380                         'rc_title'          => $title->getDBkey(),
 381                         'rc_type'           => RC_NEW,
 382                         'rc_minor'          => $minor ? 1 : 0,
 383                         'rc_cur_id'         => $title->getArticleID(),
 384                         'rc_user'           => $user->getId(),
 385                         'rc_user_text'      => $user->getName(),
 386                         'rc_comment'        => $comment,
 387                         'rc_this_oldid'     => $newId,
 388                         'rc_last_oldid'     => 0,
 389                         'rc_bot'            => $bot ? 1 : 0,
 390                         'rc_moved_to_ns'    => 0,
 391                         'rc_moved_to_title' => '',
 392                         'rc_ip'             => $ip,
 393                         'rc_patrolled'      => intval($patrol),
 394                         'rc_new'                => 1, # obsolete
 395                         'rc_old_len'        => 0,
 396                         'rc_new_len'        => $size,
 397                         'rc_deleted'            => 0,
 398                         'rc_logid'                      => 0,
 399                         'rc_log_type'           => null,
 400                         'rc_log_action'         => '',
 401                         'rc_params'                     => ''
 402                 );
 403
 404                 $rc->mExtra =  array(
 405                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 406                         'lastTimestamp' => 0,
 407                         'oldSize' => 0,
 408                         'newSize' => $size
 409                 );
 410                 $rc->save();
 411                 return $rc;
 412         }
 413
 414         # Makes an entry in the database corresponding to a rename
 415         public static function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 416         {
 417                 global $wgRequest;
 418
 419                 if( !$ip ) {
 420                         $ip = wfGetIP();
 421                         if( !$ip ) {
 422                                 $ip = '';
 423                         }
 424                 }
 425
 426                 $rc = new RecentChange;
 427                 $rc->mAttribs = array(
 428                         'rc_timestamp'  => $timestamp,
 429                         'rc_cur_time'   => $timestamp,
 430                         'rc_namespace'  => $oldTitle->getNamespace(),
 431                         'rc_title'      => $oldTitle->getDBkey(),
 432                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 433                         'rc_minor'      => 0,
 434                         'rc_cur_id'     => $oldTitle->getArticleID(),
 435                         'rc_user'       => $user->getId(),
 436                         'rc_user_text'  => $user->getName(),
 437                         'rc_comment'    => $comment,
 438                         'rc_this_oldid' => 0,
 439                         'rc_last_oldid' => 0,
 440                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 441                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 442                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 443                         'rc_ip'         => $ip,
 444                         'rc_new'        => 0, # obsolete
 445                         'rc_patrolled'  => 1,
 446                         'rc_old_len'    => NULL,
 447                         'rc_new_len'    => NULL,
 448                         'rc_deleted'    => 0,
 449                         'rc_logid'              => 0, # notifyMove not used anymore
 450                         'rc_log_type'   => null,
 451                         'rc_log_action' => '',
 452                         'rc_params'             => ''
 453                 );
 454
 455                 $rc->mExtra = array(
 456                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 457                         'lastTimestamp' => 0,
 458                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 459                 );
 460                 $rc->save();
 461         }
 462
 463         public static function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 464                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 465         }
 466
 467         public static function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 468                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 469         }
 470
 471         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='',
 472            $type, $action, $target, $logComment, $params, $newId=0 )
 473         {
 474                 global $wgRequest;
 475
 476                 if( !$ip ) {
 477                         $ip = wfGetIP();
 478                         if( !$ip ) {
 479                                 $ip = '';
 480                         }
 481                 }
 482
 483                 $rc = new RecentChange;
 484                 $rc->mAttribs = array(
 485                         'rc_timestamp'  => $timestamp,
 486                         'rc_cur_time'   => $timestamp,
 487                         'rc_namespace'  => $target->getNamespace(),
 488                         'rc_title'      => $target->getDBkey(),
 489                         'rc_type'       => RC_LOG,
 490                         'rc_minor'      => 0,
 491                         'rc_cur_id'     => $target->getArticleID(),
 492                         'rc_user'       => $user->getId(),
 493                         'rc_user_text'  => $user->getName(),
 494                         'rc_comment'    => $logComment,
 495                         'rc_this_oldid' => 0,
 496                         'rc_last_oldid' => 0,
 497                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 498                         'rc_moved_to_ns'        => 0,
 499                         'rc_moved_to_title'     => '',
 500                         'rc_ip' => $ip,
 501                         'rc_patrolled' => 1,
 502                         'rc_new'        => 0, # obsolete
 503                         'rc_old_len'    => NULL,
 504                         'rc_new_len'    => NULL,
 505                         'rc_deleted'    => 0,
 506                         'rc_logid'              => $newId,
 507                         'rc_log_type'   => $type,
 508                         'rc_log_action' => $action,
 509                         'rc_params'             => $params
 510                 );
 511                 $rc->mExtra =  array(
 512                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 513                         'lastTimestamp' => 0,
 514                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 515                 );
 516                 $rc->save();
 517         }
 518
 519         # Initialises the members of this object from a mysql row object
 520         public function loadFromRow( $row ) {
 521                 $this->mAttribs = get_object_vars( $row );
 522                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 523                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 524                 $this->mExtra = array();
 525         }
 526
 527         # Makes a pseudo-RC entry from a cur row
 528         public function loadFromCurRow( $row ) {
 529                 $this->mAttribs = array(
 530                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 531                         'rc_cur_time' => $row->rev_timestamp,
 532                         'rc_user' => $row->rev_user,
 533                         'rc_user_text' => $row->rev_user_text,
 534                         'rc_namespace' => $row->page_namespace,
 535                         'rc_title' => $row->page_title,
 536                         'rc_comment' => $row->rev_comment,
 537                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 538                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 539                         'rc_cur_id' => $row->page_id,
 540                         'rc_this_oldid' => $row->rev_id,
 541                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 542                         'rc_bot'        => 0,
 543                         'rc_moved_to_ns'        => 0,
 544                         'rc_moved_to_title'     => '',
 545                         'rc_ip' => '',
 546                         'rc_id' => $row->rc_id,
 547                         'rc_patrolled' => $row->rc_patrolled,
 548                         'rc_new' => $row->page_is_new, # obsolete
 549                         'rc_old_len' => $row->rc_old_len,
 550                         'rc_new_len' => $row->rc_new_len,
 551                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 552                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 553                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 554                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 555                         'rc_deleted' => $row->rc_deleted // MUST be set
 556                 );
 557                 $this->mExtra = array();
 558         }
 559
 560         /**
 561          * Get an attribute value
 562          *
 563          * @param $name Attribute name
 564          * @return mixed
 565          */
 566         public function getAttribute( $name ) {
 567                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : NULL;
 568         }
 569
 570         /**
 571          * Gets the end part of the diff URL associated with this object
 572          * Blank if no diff link should be displayed
 573          */
 574         public function diffLinkTrail( $forceCur ) {
 575                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 576                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 577                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 578                         if( $forceCur ) {
 579                                 $trail .= '&diff=0' ;
 580                         } else {
 581                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 582                         }
 583                 } else {
 584                         $trail = '';
 585                 }
 586                 return $trail;
 587         }
 588
 589         protected function getIRCLine() {
 590                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki;
 591
 592                 // FIXME: Would be good to replace these 2 extract() calls with something more explicit
 593                 // e.g. list ($rc_type, $rc_id) = array_values ($this->mAttribs); [or something like that]
 594                 extract($this->mAttribs);
 595                 extract($this->mExtra);
 596
 597                 if( $rc_type == RC_LOG ) {
 598                         $titleObj = Title::newFromText( "Log/$rc_log_type", NS_SPECIAL );
 599                 } else {
 600                         $titleObj =& $this->getTitle();
 601                 }
 602                 $title = $titleObj->getPrefixedText();
 603                 $title = self::cleanupForIRC( $title );
 604
 605                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 606                 if( $rc_type == RC_LOG ) {
 607                         $url = '';
 608                 } elseif( $rc_new && ($wgUseRCPatrol || $wgUseNPPatrol) ) {
 609                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 610                 } else if( $rc_new ) {
 611                         $url = $titleObj->getInternalURL();
 612                 } else if( $wgUseRCPatrol ) {
 613                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 614                         $url = preg_replace('/title=[^&]*&/', '', $url);
 615                 } else {
 616                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 617                         $url = preg_replace('/title=[^&]*&/', '', $url);
 618                 }
 619
 620                 if( isset( $oldSize ) && isset( $newSize ) ) {
 621                         $szdiff = $newSize - $oldSize;
 622                         if($szdiff < -500) {
 623                                 $szdiff = "\002$szdiff\002";
 624                         } elseif($szdiff >= 0) {
 625                                 $szdiff = '+' . $szdiff ;
 626                         }
 627                         $szdiff = '(' . $szdiff . ')' ;
 628                 } else {
 629                         $szdiff = '';
 630                 }
 631
 632                 $user = self::cleanupForIRC( $rc_user_text );
 633
 634                 if( $rc_type == RC_LOG ) {
 635                         $targetText = $this->getTitle()->getPrefixedText();
 636                         $comment = self::cleanupForIRC( str_replace("[[$targetText]]","[[\00302$targetText\00310]]",$actionComment) );
 637                         $flag = $rc_log_action;
 638                 } else {
 639                         $comment = self::cleanupForIRC( $rc_comment );
 640                         $flag = ($rc_new ? "N" : "") . ($rc_minor ? "M" : "") . ($rc_bot ? "B" : "");
 641                 }
 642
 643                 if ( $wgRC2UDPInterwikiPrefix === true ) {
 644                         $prefix = $wgLocalInterwiki;
 645                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 646                         $prefix = $wgRC2UDPInterwikiPrefix;
 647                 } else {
 648                         $prefix = false;
 649                 }
 650                 if ( $prefix !== false ) {
 651                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 652                 } else {
 653                         $titleString = "\00314[[\00307$title\00314]]";
 654                 }
 655
 656                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 657                 # no colour (\003) switches back to the term default
 658                 $fullString = "$titleString\0034 $flag\00310 " .
 659                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 660
 661                 return $fullString;
 662         }
 663
 664         /**
 665          * Returns the change size (HTML).
 666          * The lengths can be given optionally.
 667          */
 668         public function getCharacterDifference( $old = 0, $new = 0 ) {
 669                 if( $old === 0 ) {
 670                         $old = $this->mAttribs['rc_old_len'];
 671                 }
 672                 if( $new === 0 ) {
 673                         $new = $this->mAttribs['rc_new_len'];
 674                 }
 675                 if( $old === NULL || $new === NULL ) {
 676                         return '';
 677                 }
 678                 return ChangesList::showCharacterDifference( $old, $new );
 679         }
 680 }