includes/RecentChange.php

   1 <?php
   2
   3 /**
   4  * Utility class for creating new RC entries
   5  *
   6  * mAttribs:
   7  *  rc_id           id of the row in the recentchanges table
   8  *  rc_timestamp    time the entry was made
   9  *  rc_cur_time     timestamp on the cur row
  10  *  rc_namespace    namespace #
  11  *  rc_title        non-prefixed db key
  12  *  rc_type         is new entry, used to determine whether updating is necessary
  13  *  rc_minor        is minor
  14  *  rc_cur_id       page_id of associated page entry
  15  *  rc_user         user id who made the entry
  16  *  rc_user_text    user name who made the entry
  17  *  rc_comment      edit summary
  18  *  rc_this_oldid   rev_id associated with this entry (or zero)
  19  *  rc_last_oldid   rev_id associated with the entry before this one (or zero)
  20  *  rc_bot          is bot, hidden
  21  *  rc_ip           IP address of the user in dotted quad notation
  22  *  rc_new          obsolete, use rc_type==RC_NEW
  23  *  rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  24  *  rc_old_len      integer byte length of the text before the edit
  25  *  rc_new_len      the same after the edit
  26  *  rc_deleted      partial deletion
  27  *  rc_logid        the log_id value for this log entry (or zero)
  28  *  rc_log_type     the log type (or null)
  29  *  rc_log_action   the log action (or null)
  30  *  rc_params       log params
  31  *
  32  * mExtra:
  33  *  prefixedDBkey   prefixed db key, used by external app via msg queue
  34  *  lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  35  *  lang            the interwiki prefix, automatically set in save()
  36  *  oldSize         text size before the change
  37  *  newSize         text size after the change
  38  *
  39  * temporary:       not stored in the database
  40  *      notificationtimestamp
  41  *      numberofWatchingusers
  42  *
  43  * @todo document functions and variables
  44  */
  45 class RecentChange {
  46         var $mAttribs = array(), $mExtra = array();
  47
  48         /**
  49          * @var Title
  50          */
  51         var $mTitle = false;
  52
  53         /**
  54          * @var Title
  55          */
  56         var $mMovedToTitle = false;
  57         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  58         var $notificationtimestamp;
  59
  60         # Factory methods
  61
  62         /**
  63          * @param $row
  64          * @return RecentChange
  65          */
  66         public static function newFromRow( $row ) {
  67                 $rc = new RecentChange;
  68                 $rc->loadFromRow( $row );
  69                 return $rc;
  70         }
  71
  72         /**
  73          * @param $row
  74          * @return RecentChange
  75          */
  76         public static function newFromCurRow( $row ) {
  77                 $rc = new RecentChange;
  78                 $rc->loadFromCurRow( $row );
  79                 $rc->notificationtimestamp = false;
  80                 $rc->numberofWatchingusers = false;
  81                 return $rc;
  82         }
  83
  84         /**
  85          * Obtain the recent change with a given rc_id value
  86          *
  87          * @param $rcid Int rc_id value to retrieve
  88          * @return RecentChange
  89          */
  90         public static function newFromId( $rcid ) {
  91                 $dbr = wfGetDB( DB_SLAVE );
  92                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  93                 if( $res && $dbr->numRows( $res ) > 0 ) {
  94                         $row = $dbr->fetchObject( $res );
  95                         return self::newFromRow( $row );
  96                 } else {
  97                         return null;
  98                 }
  99         }
 100
 101         /**
 102          * Find the first recent change matching some specific conditions
 103          *
 104          * @param $conds Array of conditions
 105          * @param $fname Mixed: override the method name in profiling/logs
 106          * @return RecentChange
 107          */
 108         public static function newFromConds( $conds, $fname = __METHOD__ ) {
 109                 $dbr = wfGetDB( DB_SLAVE );
 110                 $res = $dbr->select(
 111                         'recentchanges',
 112                         '*',
 113                         $conds,
 114                         $fname
 115                 );
 116                 if( $res instanceof ResultWrapper && $res->numRows() > 0 ) {
 117                         $row = $res->fetchObject();
 118                         $res->free();
 119                         return self::newFromRow( $row );
 120                 }
 121                 return null;
 122         }
 123
 124         # Accessors
 125
 126         /**
 127          * @param $attribs array
 128          */
 129         public function setAttribs( $attribs ) {
 130                 $this->mAttribs = $attribs;
 131         }
 132
 133         /**
 134          * @param $extra array
 135          */
 136         public function setExtra( $extra ) {
 137                 $this->mExtra = $extra;
 138         }
 139
 140         /**
 141          *
 142          * @return Title
 143          */
 144         public function &getTitle() {
 145                 if( $this->mTitle === false ) {
 146                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 147                         # Make sure the correct page ID is process cached
 148                         $this->mTitle->resetArticleID( $this->mAttribs['rc_cur_id'] );
 149                 }
 150                 return $this->mTitle;
 151         }
 152
 153         /**
 154          * @return bool|\Title
 155          */
 156         public function getMovedToTitle() {
 157                 if( $this->mMovedToTitle === false ) {
 158                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 159                                 $this->mAttribs['rc_moved_to_title'] );
 160                 }
 161                 return $this->mMovedToTitle;
 162         }
 163
 164         /**
 165          * Writes the data in this object to the database
 166          * @param $noudp bool
 167          */
 168         public function save( $noudp = false ) {
 169                 global $wgLocalInterwiki, $wgPutIPinRC, $wgContLang;
 170
 171                 $dbw = wfGetDB( DB_MASTER );
 172                 if( !is_array($this->mExtra) ) {
 173                         $this->mExtra = array();
 174                 }
 175                 $this->mExtra['lang'] = $wgLocalInterwiki;
 176
 177                 if( !$wgPutIPinRC ) {
 178                         $this->mAttribs['rc_ip'] = '';
 179                 }
 180
 181                 # If our database is strict about IP addresses, use NULL instead of an empty string
 182                 if( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 183                         unset( $this->mAttribs['rc_ip'] );
 184                 }
 185
 186                 # Make sure summary is truncated (whole multibyte characters)
 187                 $this->mAttribs['rc_comment'] = $wgContLang->truncate( $this->mAttribs['rc_comment'], 255 );
 188
 189                 # Fixup database timestamps
 190                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 191                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 192                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'recentchanges_rc_id_seq' );
 193
 194                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 195                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 196                         unset( $this->mAttribs['rc_cur_id'] );
 197                 }
 198
 199                 # Insert new row
 200                 $dbw->insert( 'recentchanges', $this->mAttribs, __METHOD__ );
 201
 202                 # Set the ID
 203                 $this->mAttribs['rc_id'] = $dbw->insertId();
 204
 205                 # Notify extensions
 206                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 207
 208                 # Notify external application via UDP
 209                 if ( !$noudp ) {
 210                         $this->notifyRC2UDP();
 211                 }
 212
 213                 # E-mail notifications
 214                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 215                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 216                         // Users
 217                         if( $this->mAttribs['rc_user'] ) {
 218                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 219                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 220                         // Anons
 221                         } else {
 222                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 223                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 224                         }
 225                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 226
 227                         # @todo FIXME: This would be better as an extension hook
 228                         $enotif = new EmailNotification();
 229                         $status = $enotif->notifyOnPageChange( $editor, $title,
 230                                 $this->mAttribs['rc_timestamp'],
 231                                 $this->mAttribs['rc_comment'],
 232                                 $this->mAttribs['rc_minor'],
 233                                 $this->mAttribs['rc_last_oldid'] );
 234                 }
 235         }
 236
 237         public function notifyRC2UDP() {
 238                 global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 239                 # Notify external application via UDP
 240                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 241                         self::sendToUDP( $this->getIRCLine() );
 242                 }
 243         }
 244
 245         /**
 246          * Send some text to UDP.
 247          * @see RecentChange::cleanupForIRC
 248          * @param $line String: text to send
 249          * @param $address String: defaults to $wgRC2UDPAddress.
 250          * @param $prefix String: defaults to $wgRC2UDPPrefix.
 251          * @param $port Int: defaults to $wgRC2UDPPort. (Since 1.17)
 252          * @return Boolean: success
 253          */
 254         public static function sendToUDP( $line, $address = '', $prefix = '', $port = '' ) {
 255                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 256                 # Assume default for standard RC case
 257                 $address = $address ? $address : $wgRC2UDPAddress;
 258                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 259                 $port = $port ? $port : $wgRC2UDPPort;
 260                 # Notify external application via UDP
 261                 if( $address ) {
 262                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 263                         if( $conn ) {
 264                                 $line = $prefix . $line;
 265                                 wfDebug( __METHOD__ . ": sending UDP line: $line\n" );
 266                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $port );
 267                                 socket_close( $conn );
 268                                 return true;
 269                         } else {
 270                                 wfDebug( __METHOD__ . ": failed to create UDP socket\n" );
 271                         }
 272                 }
 273                 return false;
 274         }
 275
 276         /**
 277          * Remove newlines, carriage returns and decode html entites
 278          * @param $text String
 279          * @return String
 280          */
 281         public static function cleanupForIRC( $text ) {
 282                 return Sanitizer::decodeCharReferences( str_replace( array( "\n", "\r" ), array( "", "" ), $text ) );
 283         }
 284
 285         /**
 286          * Mark a given change as patrolled
 287          *
 288          * @param $change Mixed: RecentChange or corresponding rc_id
 289          * @param $auto Boolean: for automatic patrol
 290          * @return Array See doMarkPatrolled(), or null if $change is not an existing rc_id
 291          */
 292         public static function markPatrolled( $change, $auto = false ) {
 293                 global $wgUser;
 294
 295                 $change = $change instanceof RecentChange
 296                         ? $change
 297                         : RecentChange::newFromId($change);
 298
 299                 if( !$change instanceof RecentChange ) {
 300                         return null;
 301                 }
 302                 return $change->doMarkPatrolled( $wgUser, $auto );
 303         }
 304
 305         /**
 306          * Mark this RecentChange as patrolled
 307          *
 308          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 309          * @param $user User object doing the action
 310          * @param $auto Boolean: for automatic patrol
 311          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 312          */
 313         public function doMarkPatrolled( User $user, $auto = false ) {
 314                 global $wgUseRCPatrol, $wgUseNPPatrol;
 315                 $errors = array();
 316                 // If recentchanges patrol is disabled, only new pages
 317                 // can be patrolled
 318                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 319                         $errors[] = array('rcpatroldisabled');
 320                 }
 321                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 322                 $right = $auto ? 'autopatrol' : 'patrol';
 323                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $user ) );
 324                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$user, false)) ) {
 325                         $errors[] = array('hookaborted');
 326                 }
 327                 // Users without the 'autopatrol' right can't patrol their
 328                 // own revisions
 329                 if( $user->getName() == $this->getAttribute('rc_user_text') && !$user->isAllowed('autopatrol') ) {
 330                         $errors[] = array('markedaspatrollederror-noautopatrol');
 331                 }
 332                 if( $errors ) {
 333                         return $errors;
 334                 }
 335                 // If the change was patrolled already, do nothing
 336                 if( $this->getAttribute('rc_patrolled') ) {
 337                         return array();
 338                 }
 339                 // Actually set the 'patrolled' flag in RC
 340                 $this->reallyMarkPatrolled();
 341                 // Log this patrol event
 342                 PatrolLog::record( $this, $auto, $user );
 343                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$user, false) );
 344                 return array();
 345         }
 346
 347         /**
 348          * Mark this RecentChange patrolled, without error checking
 349          * @return Integer: number of affected rows
 350          */
 351         public function reallyMarkPatrolled() {
 352                 $dbw = wfGetDB( DB_MASTER );
 353                 $dbw->update(
 354                         'recentchanges',
 355                         array(
 356                                 'rc_patrolled' => 1
 357                         ),
 358                         array(
 359                                 'rc_id' => $this->getAttribute('rc_id')
 360                         ),
 361                         __METHOD__
 362                 );
 363                 return $dbw->affectedRows();
 364         }
 365
 366         /**
 367          * Makes an entry in the database corresponding to an edit
 368          *
 369          * @param $timestamp
 370          * @param $title Title
 371          * @param $minor
 372          * @param $user User
 373          * @param $comment
 374          * @param $oldId
 375          * @param $lastTimestamp
 376          * @param $bot
 377          * @param $ip string
 378          * @param $oldSize int
 379          * @param $newSize int
 380          * @param $newId int
 381          * @param $patrol int
 382          * @return RecentChange
 383          */
 384         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 385                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 ) {
 386                 global $wgRequest;
 387                 if( !$ip ) {
 388                         $ip = $wgRequest->getIP();
 389                         if( !$ip ) $ip = '';
 390                 }
 391
 392                 $rc = new RecentChange;
 393                 $rc->mAttribs = array(
 394                         'rc_timestamp'  => $timestamp,
 395                         'rc_cur_time'   => $timestamp,
 396                         'rc_namespace'  => $title->getNamespace(),
 397                         'rc_title'      => $title->getDBkey(),
 398                         'rc_type'       => RC_EDIT,
 399                         'rc_minor'      => $minor ? 1 : 0,
 400                         'rc_cur_id'     => $title->getArticleID(),
 401                         'rc_user'       => $user->getId(),
 402                         'rc_user_text'  => $user->getName(),
 403                         'rc_comment'    => $comment,
 404                         'rc_this_oldid' => $newId,
 405                         'rc_last_oldid' => $oldId,
 406                         'rc_bot'        => $bot ? 1 : 0,
 407                         'rc_moved_to_ns' => 0,
 408                         'rc_moved_to_title' => '',
 409                         'rc_ip'         => $ip,
 410                         'rc_patrolled'  => intval($patrol),
 411                         'rc_new'        => 0,  # obsolete
 412                         'rc_old_len'    => $oldSize,
 413                         'rc_new_len'    => $newSize,
 414                         'rc_deleted'    => 0,
 415                         'rc_logid'      => 0,
 416                         'rc_log_type'   => null,
 417                         'rc_log_action' => '',
 418                         'rc_params'     => ''
 419                 );
 420
 421                 $rc->mExtra =  array(
 422                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 423                         'lastTimestamp' => $lastTimestamp,
 424                         'oldSize'       => $oldSize,
 425                         'newSize'       => $newSize,
 426                 );
 427                 $rc->save();
 428                 return $rc;
 429         }
 430
 431         /**
 432          * Makes an entry in the database corresponding to page creation
 433          * Note: the title object must be loaded with the new id using resetArticleID()
 434          * @todo Document parameters and return
 435          *
 436          * @param $timestamp
 437          * @param $title Title
 438          * @param $minor
 439          * @param $user User
 440          * @param $comment
 441          * @param $bot
 442          * @param $ip string
 443          * @param $size int
 444          * @param $newId int
 445          * @param $patrol int
 446          * @return RecentChange
 447          */
 448         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 449                 $ip='', $size=0, $newId=0, $patrol=0 ) {
 450                 global $wgRequest;
 451                 if( !$ip ) {
 452                         $ip = $wgRequest->getIP();
 453                         if( !$ip ) {
 454                                 $ip = '';
 455                         }
 456                 }
 457
 458                 $rc = new RecentChange;
 459                 $rc->mAttribs = array(
 460                         'rc_timestamp'      => $timestamp,
 461                         'rc_cur_time'       => $timestamp,
 462                         'rc_namespace'      => $title->getNamespace(),
 463                         'rc_title'          => $title->getDBkey(),
 464                         'rc_type'           => RC_NEW,
 465                         'rc_minor'          => $minor ? 1 : 0,
 466                         'rc_cur_id'         => $title->getArticleID(),
 467                         'rc_user'           => $user->getId(),
 468                         'rc_user_text'      => $user->getName(),
 469                         'rc_comment'        => $comment,
 470                         'rc_this_oldid'     => $newId,
 471                         'rc_last_oldid'     => 0,
 472                         'rc_bot'            => $bot ? 1 : 0,
 473                         'rc_moved_to_ns'    => 0,
 474                         'rc_moved_to_title' => '',
 475                         'rc_ip'             => $ip,
 476                         'rc_patrolled'      => intval($patrol),
 477                         'rc_new'            => 1, # obsolete
 478                         'rc_old_len'        => 0,
 479                         'rc_new_len'        => $size,
 480                         'rc_deleted'        => 0,
 481                         'rc_logid'          => 0,
 482                         'rc_log_type'       => null,
 483                         'rc_log_action'     => '',
 484                         'rc_params'         => ''
 485                 );
 486
 487                 $rc->mExtra =  array(
 488                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 489                         'lastTimestamp' => 0,
 490                         'oldSize' => 0,
 491                         'newSize' => $size
 492                 );
 493                 $rc->save();
 494                 return $rc;
 495         }
 496
 497         /**
 498          * @param $timestamp
 499          * @param $title
 500          * @param $user
 501          * @param $actionComment
 502          * @param $ip string
 503          * @param $type
 504          * @param $action
 505          * @param $target
 506          * @param $logComment
 507          * @param $params
 508          * @param $newId int
 509          * @param $actionCommentIRC string
 510          * @return bool
 511          */
 512         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip, $type,
 513                 $action, $target, $logComment, $params, $newId=0, $actionCommentIRC='' )
 514         {
 515                 global $wgLogRestrictions;
 516                 # Don't add private logs to RC!
 517                 if( isset($wgLogRestrictions[$type]) && $wgLogRestrictions[$type] != '*' ) {
 518                         return false;
 519                 }
 520                 $rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
 521                         $target, $logComment, $params, $newId, $actionCommentIRC );
 522                 $rc->save();
 523                 return true;
 524         }
 525
 526         /**
 527          * @param $timestamp
 528          * @param $title Title
 529          * @param $user User
 530          * @param $actionComment
 531          * @param $ip string
 532          * @param $type
 533          * @param $action
 534          * @param $target Title
 535          * @param $logComment
 536          * @param $params
 537          * @param $newId int
 538          * @param $actionCommentIRC string
 539          * @return RecentChange
 540          */
 541         public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip,
 542                 $type, $action, $target, $logComment, $params, $newId=0, $actionCommentIRC='' ) {
 543                 global $wgRequest;
 544                 if( !$ip ) {
 545                         $ip = $wgRequest->getIP();
 546                         if( !$ip ) {
 547                                 $ip = '';
 548                         }
 549                 }
 550
 551                 $rc = new RecentChange;
 552                 $rc->mAttribs = array(
 553                         'rc_timestamp'  => $timestamp,
 554                         'rc_cur_time'   => $timestamp,
 555                         'rc_namespace'  => $target->getNamespace(),
 556                         'rc_title'      => $target->getDBkey(),
 557                         'rc_type'       => RC_LOG,
 558                         'rc_minor'      => 0,
 559                         'rc_cur_id'     => $target->getArticleID(),
 560                         'rc_user'       => $user->getId(),
 561                         'rc_user_text'  => $user->getName(),
 562                         'rc_comment'    => $logComment,
 563                         'rc_this_oldid' => 0,
 564                         'rc_last_oldid' => 0,
 565                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 566                         'rc_moved_to_ns' => 0,
 567                         'rc_moved_to_title' => '',
 568                         'rc_ip'         => $ip,
 569                         'rc_patrolled'  => 1,
 570                         'rc_new'        => 0, # obsolete
 571                         'rc_old_len'    => null,
 572                         'rc_new_len'    => null,
 573                         'rc_deleted'    => 0,
 574                         'rc_logid'      => $newId,
 575                         'rc_log_type'   => $type,
 576                         'rc_log_action' => $action,
 577                         'rc_params'     => $params
 578                 );
 579                 $rc->mExtra =  array(
 580                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 581                         'lastTimestamp' => 0,
 582                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 583                         'actionCommentIRC' => $actionCommentIRC
 584                 );
 585                 return $rc;
 586         }
 587
 588         /**
 589          * Initialises the members of this object from a mysql row object
 590          *
 591          * @param $row
 592          */
 593         public function loadFromRow( $row ) {
 594                 $this->mAttribs = get_object_vars( $row );
 595                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 596                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 597         }
 598
 599         /**
 600          * Makes a pseudo-RC entry from a cur row
 601          *
 602          * @param $row
 603          */
 604         public function loadFromCurRow( $row ) {
 605                 $this->mAttribs = array(
 606                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 607                         'rc_cur_time' => $row->rev_timestamp,
 608                         'rc_user' => $row->rev_user,
 609                         'rc_user_text' => $row->rev_user_text,
 610                         'rc_namespace' => $row->page_namespace,
 611                         'rc_title' => $row->page_title,
 612                         'rc_comment' => $row->rev_comment,
 613                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 614                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 615                         'rc_cur_id' => $row->page_id,
 616                         'rc_this_oldid' => $row->rev_id,
 617                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 618                         'rc_bot'        => 0,
 619                         'rc_moved_to_ns'        => 0,
 620                         'rc_moved_to_title'     => '',
 621                         'rc_ip' => '',
 622                         'rc_id' => $row->rc_id,
 623                         'rc_patrolled' => $row->rc_patrolled,
 624                         'rc_new' => $row->page_is_new, # obsolete
 625                         'rc_old_len' => $row->rc_old_len,
 626                         'rc_new_len' => $row->rc_new_len,
 627                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 628                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 629                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 630                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 631                         'rc_deleted' => $row->rc_deleted // MUST be set
 632                 );
 633         }
 634
 635         /**
 636          * Get an attribute value
 637          *
 638          * @param $name String Attribute name
 639          * @return mixed
 640          */
 641         public function getAttribute( $name ) {
 642                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : null;
 643         }
 644
 645         /**
 646          * @return array
 647          */
 648         public function getAttributes() {
 649                 return $this->mAttribs;
 650         }
 651
 652         /**
 653          * Gets the end part of the diff URL associated with this object
 654          * Blank if no diff link should be displayed
 655          * @param $forceCur
 656          * @return string
 657          */
 658         public function diffLinkTrail( $forceCur ) {
 659                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 660                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 661                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 662                         if( $forceCur ) {
 663                                 $trail .= '&diff=0' ;
 664                         } else {
 665                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 666                         }
 667                 } else {
 668                         $trail = '';
 669                 }
 670                 return $trail;
 671         }
 672
 673         /**
 674          * @return string
 675          */
 676         public function getIRCLine() {
 677                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki,
 678                         $wgCanonicalServer, $wgScript;
 679
 680                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 681                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->mAttribs['rc_log_type'] );
 682                 } else {
 683                         $titleObj =& $this->getTitle();
 684                 }
 685                 $title = $titleObj->getPrefixedText();
 686                 $title = self::cleanupForIRC( $title );
 687
 688                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 689                         $url = '';
 690                 } else {
 691                         $url = $wgCanonicalServer . $wgScript;
 692                         if( $this->mAttribs['rc_type'] == RC_NEW ) {
 693                                 $query = '?oldid=' . $this->mAttribs['rc_this_oldid'];
 694                         } else {
 695                                 $query = '?diff=' . $this->mAttribs['rc_this_oldid'] . '&oldid=' . $this->mAttribs['rc_last_oldid'];
 696                         }
 697                         if ( $wgUseRCPatrol || ( $this->mAttribs['rc_type'] == RC_NEW && $wgUseNPPatrol ) ) {
 698                                 $query .= '&rcid=' . $this->mAttribs['rc_id'];
 699                         }
 700                         // HACK: We need this hook for WMF's secure server setup
 701                         wfRunHooks( 'IRCLineURL', array( &$url, &$query ) );
 702                         $url .= $query;
 703                 }
 704
 705                 if( $this->mAttribs['rc_old_len'] !== null && $this->mAttribs['rc_new_len'] !== null ) {
 706                         $szdiff = $this->mAttribs['rc_new_len'] - $this->mAttribs['rc_old_len'];
 707                         if($szdiff < -500) {
 708                                 $szdiff = "\002$szdiff\002";
 709                         } elseif($szdiff >= 0) {
 710                                 $szdiff = '+' . $szdiff ;
 711                         }
 712                         // @todo i18n with parentheses in content language?
 713                         $szdiff = '(' . $szdiff . ')' ;
 714                 } else {
 715                         $szdiff = '';
 716                 }
 717
 718                 $user = self::cleanupForIRC( $this->mAttribs['rc_user_text'] );
 719
 720                 if ( $this->mAttribs['rc_type'] == RC_LOG ) {
 721                         $targetText = $this->getTitle()->getPrefixedText();
 722                         $comment = self::cleanupForIRC( str_replace( "[[$targetText]]", "[[\00302$targetText\00310]]", $this->mExtra['actionCommentIRC'] ) );
 723                         $flag = $this->mAttribs['rc_log_action'];
 724                 } else {
 725                         $comment = self::cleanupForIRC( $this->mAttribs['rc_comment'] );
 726                         $flag = '';
 727                         if ( !$this->mAttribs['rc_patrolled'] && ( $wgUseRCPatrol || $this->mAttribs['rc_new'] && $wgUseNPPatrol ) ) {
 728                                 $flag .= '!';
 729                         }
 730                         $flag .= ( $this->mAttribs['rc_new'] ? "N" : "" ) . ( $this->mAttribs['rc_minor'] ? "M" : "" ) . ( $this->mAttribs['rc_bot'] ? "B" : "" );
 731                 }
 732
 733                 if ( $wgRC2UDPInterwikiPrefix === true && $wgLocalInterwiki !== false ) {
 734                         $prefix = $wgLocalInterwiki;
 735                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 736                         $prefix = $wgRC2UDPInterwikiPrefix;
 737                 } else {
 738                         $prefix = false;
 739                 }
 740                 if ( $prefix !== false ) {
 741                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 742                 } else {
 743                         $titleString = "\00314[[\00307$title\00314]]";
 744                 }
 745
 746                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 747                 # no colour (\003) switches back to the term default
 748                 $fullString = "$titleString\0034 $flag\00310 " .
 749                                           "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 750
 751                 return $fullString;
 752         }
 753
 754         /**
 755          * Returns the change size (HTML).
 756          * The lengths can be given optionally.
 757          * @param $old int
 758          * @param $new int
 759          * @return string
 760          */
 761         public function getCharacterDifference( $old = 0, $new = 0 ) {
 762                 if( $old === 0 ) {
 763                         $old = $this->mAttribs['rc_old_len'];
 764                 }
 765                 if( $new === 0 ) {
 766                         $new = $this->mAttribs['rc_new_len'];
 767                 }
 768                 if( $old === null || $new === null ) {
 769                         return '';
 770                 }
 771                 return ChangesList::showCharacterDifference( $old, $new );
 772         }
 773 }