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'] = $dbw->insertId();
 169
 170                 # Notify extensions
 171                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 172
 173                 # Notify external application via UDP
 174                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 175                         self::sendToUDP( $this->getIRCLine() );
 176                 }
 177
 178                 # E-mail notifications
 179                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 180                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 181                         // Users
 182                         if( $this->mAttribs['rc_user'] ) {
 183                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 184                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 185                         // Anons
 186                         } else {
 187                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 188                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 189                         }
 190                         # FIXME: this would be better as an extension hook
 191                         $enotif = new EmailNotification();
 192                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 193                         $enotif->notifyOnPageChange( $editor, $title,
 194                                 $this->mAttribs['rc_timestamp'],
 195                                 $this->mAttribs['rc_comment'],
 196                                 $this->mAttribs['rc_minor'],
 197                                 $this->mAttribs['rc_last_oldid'] );
 198                 }
 199         }
 200
 201         public function notifyRC2UDP() {
 202                 global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 203                 # Notify external application via UDP
 204                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 205                         self::sendToUDP( $this->getIRCLine() );
 206                 }
 207         }
 208
 209         /**
 210          * Send some text to UDP
 211          * @param string $line
 212          * @param string $prefix
 213          * @param string $address
 214          * @return bool success
 215          */
 216         public static function sendToUDP( $line, $address = '', $prefix = '' ) {
 217                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 218                 # Assume default for standard RC case
 219                 $address = $address ? $address : $wgRC2UDPAddress;
 220                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 221                 # Notify external application via UDP
 222                 if( $address ) {
 223                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 224                         if( $conn ) {
 225                                 $line = $prefix . $line;
 226                                 wfDebug( __METHOD__ . ": sending UDP line: $line\n" );
 227                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $wgRC2UDPPort );
 228                                 socket_close( $conn );
 229                                 return true;
 230                         } else {
 231                                 wfDebug( __METHOD__ . ": failed to create UDP socket\n" );
 232                         }
 233                 }
 234                 return false;
 235         }
 236
 237         /**
 238          * Remove newlines, carriage returns and decode html entites
 239          * @param string $line
 240          * @return string
 241          */
 242         public static function cleanupForIRC( $text ) {
 243                 return Sanitizer::decodeCharReferences( str_replace( array( "\n", "\r" ), array( "", "" ), $text ) );
 244         }
 245
 246         /**
 247          * Mark a given change as patrolled
 248          *
 249          * @param mixed $change RecentChange or corresponding rc_id
 250          * @param bool $auto for automatic patrol
 251          * @return See doMarkPatrolled(), or null if $change is not an existing rc_id
 252          */
 253         public static function markPatrolled( $change, $auto = false ) {
 254                 $change = $change instanceof RecentChange
 255                         ? $change
 256                         : RecentChange::newFromId($change);
 257                 if( !$change instanceof RecentChange ) {
 258                         return null;
 259                 }
 260                 return $change->doMarkPatrolled( $auto );
 261         }
 262
 263         /**
 264          * Mark this RecentChange as patrolled
 265          *
 266          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 267          * @param bool $auto for automatic patrol
 268          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 269          */
 270         public function doMarkPatrolled( $auto = false ) {
 271                 global $wgUser, $wgUseRCPatrol, $wgUseNPPatrol;
 272                 $errors = array();
 273                 // If recentchanges patrol is disabled, only new pages
 274                 // can be patrolled
 275                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 276                         $errors[] = array('rcpatroldisabled');
 277                 }
 278                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 279                 $right = $auto ? 'autopatrol' : 'patrol';
 280                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $wgUser ) );
 281                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$wgUser, false)) ) {
 282                         $errors[] = array('hookaborted');
 283                 }
 284                 // Users without the 'autopatrol' right can't patrol their
 285                 // own revisions
 286                 if( $wgUser->getName() == $this->getAttribute('rc_user_text') && !$wgUser->isAllowed('autopatrol') ) {
 287                         $errors[] = array('markedaspatrollederror-noautopatrol');
 288                 }
 289                 if( $errors ) {
 290                         return $errors;
 291                 }
 292                 // If the change was patrolled already, do nothing
 293                 if( $this->getAttribute('rc_patrolled') ) {
 294                         return array();
 295                 }
 296                 // Actually set the 'patrolled' flag in RC
 297                 $this->reallyMarkPatrolled();
 298                 // Log this patrol event
 299                 PatrolLog::record( $this, $auto );
 300                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$wgUser, false) );
 301                 return array();
 302         }
 303
 304         /**
 305          * Mark this RecentChange patrolled, without error checking
 306          * @return int Number of affected rows
 307          */
 308         public function reallyMarkPatrolled() {
 309                 $dbw = wfGetDB( DB_MASTER );
 310                 $dbw->update(
 311                         'recentchanges',
 312                         array(
 313                                 'rc_patrolled' => 1
 314                         ),
 315                         array(
 316                                 'rc_id' => $this->getAttribute('rc_id')
 317                         ),
 318                         __METHOD__
 319                 );
 320                 return $dbw->affectedRows();
 321         }
 322
 323         # Makes an entry in the database corresponding to an edit
 324         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 325                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 )
 326         {
 327                 if( !$ip ) {
 328                         $ip = wfGetIP();
 329                         if( !$ip ) $ip = '';
 330                 }
 331
 332                 $rc = new RecentChange;
 333                 $rc->mAttribs = array(
 334                         'rc_timestamp'  => $timestamp,
 335                         'rc_cur_time'   => $timestamp,
 336                         'rc_namespace'  => $title->getNamespace(),
 337                         'rc_title'      => $title->getDBkey(),
 338                         'rc_type'       => RC_EDIT,
 339                         'rc_minor'      => $minor ? 1 : 0,
 340                         'rc_cur_id'     => $title->getArticleID(),
 341                         'rc_user'       => $user->getId(),
 342                         'rc_user_text'  => $user->getName(),
 343                         'rc_comment'    => $comment,
 344                         'rc_this_oldid' => $newId,
 345                         'rc_last_oldid' => $oldId,
 346                         'rc_bot'        => $bot ? 1 : 0,
 347                         'rc_moved_to_ns'        => 0,
 348                         'rc_moved_to_title'     => '',
 349                         'rc_ip'         => $ip,
 350                         'rc_patrolled'  => intval($patrol),
 351                         'rc_new'        => 0,  # obsolete
 352                         'rc_old_len'    => $oldSize,
 353                         'rc_new_len'    => $newSize,
 354                         'rc_deleted'    => 0,
 355                         'rc_logid'              => 0,
 356                         'rc_log_type'   => null,
 357                         'rc_log_action' => '',
 358                         'rc_params'             => ''
 359                 );
 360
 361                 $rc->mExtra =  array(
 362                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 363                         'lastTimestamp' => $lastTimestamp,
 364                         'oldSize'       => $oldSize,
 365                         'newSize'       => $newSize,
 366                 );
 367                 $rc->save();
 368                 return $rc;
 369         }
 370
 371         /**
 372          * Makes an entry in the database corresponding to page creation
 373          * Note: the title object must be loaded with the new id using resetArticleID()
 374          * @todo Document parameters and return
 375          */
 376         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 377                 $ip='', $size=0, $newId=0, $patrol=0 )
 378         {
 379                 if( !$ip ) {
 380                         $ip = wfGetIP();
 381                         if( !$ip ) $ip = '';
 382                 }
 383
 384                 $rc = new RecentChange;
 385                 $rc->mAttribs = array(
 386                         'rc_timestamp'      => $timestamp,
 387                         'rc_cur_time'       => $timestamp,
 388                         'rc_namespace'      => $title->getNamespace(),
 389                         'rc_title'          => $title->getDBkey(),
 390                         'rc_type'           => RC_NEW,
 391                         'rc_minor'          => $minor ? 1 : 0,
 392                         'rc_cur_id'         => $title->getArticleID(),
 393                         'rc_user'           => $user->getId(),
 394                         'rc_user_text'      => $user->getName(),
 395                         'rc_comment'        => $comment,
 396                         'rc_this_oldid'     => $newId,
 397                         'rc_last_oldid'     => 0,
 398                         'rc_bot'            => $bot ? 1 : 0,
 399                         'rc_moved_to_ns'    => 0,
 400                         'rc_moved_to_title' => '',
 401                         'rc_ip'             => $ip,
 402                         'rc_patrolled'      => intval($patrol),
 403                         'rc_new'                => 1, # obsolete
 404                         'rc_old_len'        => 0,
 405                         'rc_new_len'        => $size,
 406                         'rc_deleted'            => 0,
 407                         'rc_logid'                      => 0,
 408                         'rc_log_type'           => null,
 409                         'rc_log_action'         => '',
 410                         'rc_params'                     => ''
 411                 );
 412
 413                 $rc->mExtra =  array(
 414                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 415                         'lastTimestamp' => 0,
 416                         'oldSize' => 0,
 417                         'newSize' => $size
 418                 );
 419                 $rc->save();
 420                 return $rc;
 421         }
 422
 423         # Makes an entry in the database corresponding to a rename
 424         public static function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 425         {
 426                 global $wgRequest;
 427                 if( !$ip ) {
 428                         $ip = wfGetIP();
 429                         if( !$ip ) $ip = '';
 430                 }
 431
 432                 $rc = new RecentChange;
 433                 $rc->mAttribs = array(
 434                         'rc_timestamp'  => $timestamp,
 435                         'rc_cur_time'   => $timestamp,
 436                         'rc_namespace'  => $oldTitle->getNamespace(),
 437                         'rc_title'      => $oldTitle->getDBkey(),
 438                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 439                         'rc_minor'      => 0,
 440                         'rc_cur_id'     => $oldTitle->getArticleID(),
 441                         'rc_user'       => $user->getId(),
 442                         'rc_user_text'  => $user->getName(),
 443                         'rc_comment'    => $comment,
 444                         'rc_this_oldid' => 0,
 445                         'rc_last_oldid' => 0,
 446                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 447                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 448                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 449                         'rc_ip'         => $ip,
 450                         'rc_new'        => 0, # obsolete
 451                         'rc_patrolled'  => 1,
 452                         'rc_old_len'    => NULL,
 453                         'rc_new_len'    => NULL,
 454                         'rc_deleted'    => 0,
 455                         'rc_logid'              => 0, # notifyMove not used anymore
 456                         'rc_log_type'   => null,
 457                         'rc_log_action' => '',
 458                         'rc_params'             => ''
 459                 );
 460
 461                 $rc->mExtra = array(
 462                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 463                         'lastTimestamp' => 0,
 464                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 465                 );
 466                 $rc->save();
 467         }
 468
 469         public static function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 470                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 471         }
 472
 473         public static function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 474                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 475         }
 476
 477         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='', $type,
 478                 $action, $target, $logComment, $params, $newId=0 )
 479         {
 480                 global $wgLogRestrictions;
 481                 # Don't add private logs to RC!
 482                 if( isset($wgLogRestrictions[$type]) && $wgLogRestrictions[$type] != '*' ) {
 483                         return false;
 484                 }
 485                 $rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
 486                         $target, $logComment, $params, $newId );
 487                 $rc->save();
 488                 return true;
 489         }
 490
 491         public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip='',
 492                 $type, $action, $target, $logComment, $params, $newId=0 )
 493         {
 494                 global $wgRequest;
 495                 if( !$ip ) {
 496                         $ip = wfGetIP();
 497                         if( !$ip ) $ip = '';
 498                 }
 499
 500                 $rc = new RecentChange;
 501                 $rc->mAttribs = array(
 502                         'rc_timestamp'  => $timestamp,
 503                         'rc_cur_time'   => $timestamp,
 504                         'rc_namespace'  => $target->getNamespace(),
 505                         'rc_title'      => $target->getDBkey(),
 506                         'rc_type'       => RC_LOG,
 507                         'rc_minor'      => 0,
 508                         'rc_cur_id'     => $target->getArticleID(),
 509                         'rc_user'       => $user->getId(),
 510                         'rc_user_text'  => $user->getName(),
 511                         'rc_comment'    => $logComment,
 512                         'rc_this_oldid' => 0,
 513                         'rc_last_oldid' => 0,
 514                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 515                         'rc_moved_to_ns'        => 0,
 516                         'rc_moved_to_title'     => '',
 517                         'rc_ip' => $ip,
 518                         'rc_patrolled' => 1,
 519                         'rc_new'        => 0, # obsolete
 520                         'rc_old_len'    => NULL,
 521                         'rc_new_len'    => NULL,
 522                         'rc_deleted'    => 0,
 523                         'rc_logid'              => $newId,
 524                         'rc_log_type'   => $type,
 525                         'rc_log_action' => $action,
 526                         'rc_params'             => $params
 527                 );
 528                 $rc->mExtra =  array(
 529                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 530                         'lastTimestamp' => 0,
 531                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 532                 );
 533                 return $rc;
 534         }
 535
 536         # Initialises the members of this object from a mysql row object
 537         public function loadFromRow( $row ) {
 538                 $this->mAttribs = get_object_vars( $row );
 539                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 540                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 541         }
 542
 543         # Makes a pseudo-RC entry from a cur row
 544         public function loadFromCurRow( $row ) {
 545                 $this->mAttribs = array(
 546                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 547                         'rc_cur_time' => $row->rev_timestamp,
 548                         'rc_user' => $row->rev_user,
 549                         'rc_user_text' => $row->rev_user_text,
 550                         'rc_namespace' => $row->page_namespace,
 551                         'rc_title' => $row->page_title,
 552                         'rc_comment' => $row->rev_comment,
 553                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 554                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 555                         'rc_cur_id' => $row->page_id,
 556                         'rc_this_oldid' => $row->rev_id,
 557                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 558                         'rc_bot'        => 0,
 559                         'rc_moved_to_ns'        => 0,
 560                         'rc_moved_to_title'     => '',
 561                         'rc_ip' => '',
 562                         'rc_id' => $row->rc_id,
 563                         'rc_patrolled' => $row->rc_patrolled,
 564                         'rc_new' => $row->page_is_new, # obsolete
 565                         'rc_old_len' => $row->rc_old_len,
 566                         'rc_new_len' => $row->rc_new_len,
 567                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 568                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 569                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 570                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 571                         'rc_deleted' => $row->rc_deleted // MUST be set
 572                 );
 573         }
 574
 575         /**
 576          * Get an attribute value
 577          *
 578          * @param $name Attribute name
 579          * @return mixed
 580          */
 581         public function getAttribute( $name ) {
 582                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : NULL;
 583         }
 584
 585         /**
 586          * Gets the end part of the diff URL associated with this object
 587          * Blank if no diff link should be displayed
 588          */
 589         public function diffLinkTrail( $forceCur ) {
 590                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 591                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 592                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 593                         if( $forceCur ) {
 594                                 $trail .= '&diff=0' ;
 595                         } else {
 596                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 597                         }
 598                 } else {
 599                         $trail = '';
 600                 }
 601                 return $trail;
 602         }
 603
 604         public function getIRCLine() {
 605                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki;
 606
 607                 // FIXME: Would be good to replace these 2 extract() calls with something more explicit
 608                 // e.g. list ($rc_type, $rc_id) = array_values ($this->mAttribs); [or something like that]
 609                 extract($this->mAttribs);
 610                 extract($this->mExtra);
 611
 612                 if( $rc_type == RC_LOG ) {
 613                         $titleObj = Title::newFromText( "Log/$rc_log_type", NS_SPECIAL );
 614                 } else {
 615                         $titleObj =& $this->getTitle();
 616                 }
 617                 $title = $titleObj->getPrefixedText();
 618                 $title = self::cleanupForIRC( $title );
 619
 620                 if( $rc_type == RC_LOG ) {
 621                         $url = '';
 622                 } else {
 623                         if( $rc_type == RC_NEW ) {
 624                                 $url = "oldid=$rc_this_oldid";
 625                         } else {
 626                                 $url = "diff=$rc_this_oldid&oldid=$rc_last_oldid";
 627                         }
 628                         if( $wgUseRCPatrol || ($rc_type == RC_NEW && $wgUseNPPatrol) ) {
 629                                 $url .= "&rcid=$rc_id";
 630                         }
 631                         // XXX: *HACK* this should use getFullURL(), hacked for SSL madness --brion 2005-12-26
 632                         // XXX: *HACK^2* the preg_replace() undoes much of what getInternalURL() does, but we
 633                         // XXX: need to call it so that URL paths on the Wikimedia secure server can be fixed
 634                         // XXX: by a custom GetInternalURL hook --vyznev 2008-12-10
 635                         $url = preg_replace( '/title=[^&]*&/', '', $titleObj->getInternalURL( $url ) );
 636                 }
 637
 638                 if( isset( $oldSize ) && isset( $newSize ) ) {
 639                         $szdiff = $newSize - $oldSize;
 640                         if($szdiff < -500) {
 641                                 $szdiff = "\002$szdiff\002";
 642                         } elseif($szdiff >= 0) {
 643                                 $szdiff = '+' . $szdiff ;
 644                         }
 645                         $szdiff = '(' . $szdiff . ')' ;
 646                 } else {
 647                         $szdiff = '';
 648                 }
 649
 650                 $user = self::cleanupForIRC( $rc_user_text );
 651
 652                 if( $rc_type == RC_LOG ) {
 653                         $targetText = $this->getTitle()->getPrefixedText();
 654                         $comment = self::cleanupForIRC( str_replace("[[$targetText]]","[[\00302$targetText\00310]]",$actionComment) );
 655                         $flag = $rc_log_action;
 656                 } else {
 657                         $comment = self::cleanupForIRC( $rc_comment );
 658                         $flag = '';
 659                         if( !$rc_patrolled && ($wgUseRCPatrol || $rc_new && $wgUseNPPatrol) ) {
 660                                 $flag .= '!';
 661                         }
 662                         $flag .= ($rc_new ? "N" : "") . ($rc_minor ? "M" : "") . ($rc_bot ? "B" : "");
 663                 }
 664
 665                 if ( $wgRC2UDPInterwikiPrefix === true ) {
 666                         $prefix = $wgLocalInterwiki;
 667                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 668                         $prefix = $wgRC2UDPInterwikiPrefix;
 669                 } else {
 670                         $prefix = false;
 671                 }
 672                 if ( $prefix !== false ) {
 673                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 674                 } else {
 675                         $titleString = "\00314[[\00307$title\00314]]";
 676                 }
 677
 678                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 679                 # no colour (\003) switches back to the term default
 680                 $fullString = "$titleString\0034 $flag\00310 " .
 681                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 682
 683                 return $fullString;
 684         }
 685
 686         /**
 687          * Returns the change size (HTML).
 688          * The lengths can be given optionally.
 689          */
 690         public function getCharacterDifference( $old = 0, $new = 0 ) {
 691                 if( $old === 0 ) {
 692                         $old = $this->mAttribs['rc_old_len'];
 693                 }
 694                 if( $new === 0 ) {
 695                         $new = $this->mAttribs['rc_new_len'];
 696                 }
 697                 if( $old === NULL || $new === NULL ) {
 698                         return '';
 699                 }
 700                 return ChangesList::showCharacterDifference( $old, $new );
 701         }
 702 }