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;
 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                 # Fixup database timestamps
 187                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 188                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 189                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'recentchanges_rc_id_seq' );
 190
 191                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 192                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 193                         unset( $this->mAttribs['rc_cur_id'] );
 194                 }
 195
 196                 # Insert new row
 197                 $dbw->insert( 'recentchanges', $this->mAttribs, __METHOD__ );
 198
 199                 # Set the ID
 200                 $this->mAttribs['rc_id'] = $dbw->insertId();
 201
 202                 # Notify extensions
 203                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 204
 205                 # Notify external application via UDP
 206                 if ( !$noudp ) {
 207                         $this->notifyRC2UDP();
 208                 }
 209
 210                 # E-mail notifications
 211                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 212                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 213                         // Users
 214                         if( $this->mAttribs['rc_user'] ) {
 215                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 216                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 217                         // Anons
 218                         } else {
 219                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 220                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 221                         }
 222                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 223
 224                         # @todo FIXME: This would be better as an extension hook
 225                         $enotif = new EmailNotification();
 226                         $status = $enotif->notifyOnPageChange( $editor, $title,
 227                                 $this->mAttribs['rc_timestamp'],
 228                                 $this->mAttribs['rc_comment'],
 229                                 $this->mAttribs['rc_minor'],
 230                                 $this->mAttribs['rc_last_oldid'] );
 231                 }
 232         }
 233
 234         public function notifyRC2UDP() {
 235                 global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 236                 # Notify external application via UDP
 237                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 238                         self::sendToUDP( $this->getIRCLine() );
 239                 }
 240         }
 241
 242         /**
 243          * Send some text to UDP.
 244          * @see RecentChange::cleanupForIRC
 245          * @param $line String: text to send
 246          * @param $address String: defaults to $wgRC2UDPAddress.
 247          * @param $prefix String: defaults to $wgRC2UDPPrefix.
 248          * @param $port Int: defaults to $wgRC2UDPPort. (Since 1.17)
 249          * @return Boolean: success
 250          */
 251         public static function sendToUDP( $line, $address = '', $prefix = '', $port = '' ) {
 252                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 253                 # Assume default for standard RC case
 254                 $address = $address ? $address : $wgRC2UDPAddress;
 255                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 256                 $port = $port ? $port : $wgRC2UDPPort;
 257                 # Notify external application via UDP
 258                 if( $address ) {
 259                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 260                         if( $conn ) {
 261                                 $line = $prefix . $line;
 262                                 wfDebug( __METHOD__ . ": sending UDP line: $line\n" );
 263                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $port );
 264                                 socket_close( $conn );
 265                                 return true;
 266                         } else {
 267                                 wfDebug( __METHOD__ . ": failed to create UDP socket\n" );
 268                         }
 269                 }
 270                 return false;
 271         }
 272
 273         /**
 274          * Remove newlines, carriage returns and decode html entites
 275          * @param $text String
 276          * @return String
 277          */
 278         public static function cleanupForIRC( $text ) {
 279                 return Sanitizer::decodeCharReferences( str_replace( array( "\n", "\r" ), array( "", "" ), $text ) );
 280         }
 281
 282         /**
 283          * Mark a given change as patrolled
 284          *
 285          * @param $change Mixed: RecentChange or corresponding rc_id
 286          * @param $auto Boolean: for automatic patrol
 287          * @return Array See doMarkPatrolled(), or null if $change is not an existing rc_id
 288          */
 289         public static function markPatrolled( $change, $auto = false ) {
 290                 global $wgUser;
 291
 292                 $change = $change instanceof RecentChange
 293                         ? $change
 294                         : RecentChange::newFromId($change);
 295
 296                 if( !$change instanceof RecentChange ) {
 297                         return null;
 298                 }
 299                 return $change->doMarkPatrolled( $wgUser, $auto );
 300         }
 301
 302         /**
 303          * Mark this RecentChange as patrolled
 304          *
 305          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 306          * @param $user User object doing the action
 307          * @param $auto Boolean: for automatic patrol
 308          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 309          */
 310         public function doMarkPatrolled( User $user, $auto = false ) {
 311                 global $wgUseRCPatrol, $wgUseNPPatrol;
 312                 $errors = array();
 313                 // If recentchanges patrol is disabled, only new pages
 314                 // can be patrolled
 315                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 316                         $errors[] = array('rcpatroldisabled');
 317                 }
 318                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 319                 $right = $auto ? 'autopatrol' : 'patrol';
 320                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $user ) );
 321                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$user, false)) ) {
 322                         $errors[] = array('hookaborted');
 323                 }
 324                 // Users without the 'autopatrol' right can't patrol their
 325                 // own revisions
 326                 if( $user->getName() == $this->getAttribute('rc_user_text') && !$user->isAllowed('autopatrol') ) {
 327                         $errors[] = array('markedaspatrollederror-noautopatrol');
 328                 }
 329                 if( $errors ) {
 330                         return $errors;
 331                 }
 332                 // If the change was patrolled already, do nothing
 333                 if( $this->getAttribute('rc_patrolled') ) {
 334                         return array();
 335                 }
 336                 // Actually set the 'patrolled' flag in RC
 337                 $this->reallyMarkPatrolled();
 338                 // Log this patrol event
 339                 PatrolLog::record( $this, $auto, $user );
 340                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$user, false) );
 341                 return array();
 342         }
 343
 344         /**
 345          * Mark this RecentChange patrolled, without error checking
 346          * @return Integer: number of affected rows
 347          */
 348         public function reallyMarkPatrolled() {
 349                 $dbw = wfGetDB( DB_MASTER );
 350                 $dbw->update(
 351                         'recentchanges',
 352                         array(
 353                                 'rc_patrolled' => 1
 354                         ),
 355                         array(
 356                                 'rc_id' => $this->getAttribute('rc_id')
 357                         ),
 358                         __METHOD__
 359                 );
 360                 return $dbw->affectedRows();
 361         }
 362
 363         /**
 364          * Makes an entry in the database corresponding to an edit
 365          *
 366          * @param $timestamp
 367          * @param $title Title
 368          * @param $minor
 369          * @param $user User
 370          * @param $comment
 371          * @param $oldId
 372          * @param $lastTimestamp
 373          * @param $bot
 374          * @param $ip string
 375          * @param $oldSize int
 376          * @param $newSize int
 377          * @param $newId int
 378          * @param $patrol int
 379          * @return RecentChange
 380          */
 381         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 382                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 ) {
 383                 global $wgRequest;
 384                 if( !$ip ) {
 385                         $ip = $wgRequest->getIP();
 386                         if( !$ip ) $ip = '';
 387                 }
 388
 389                 $rc = new RecentChange;
 390                 $rc->mAttribs = array(
 391                         'rc_timestamp'  => $timestamp,
 392                         'rc_cur_time'   => $timestamp,
 393                         'rc_namespace'  => $title->getNamespace(),
 394                         'rc_title'      => $title->getDBkey(),
 395                         'rc_type'       => RC_EDIT,
 396                         'rc_minor'      => $minor ? 1 : 0,
 397                         'rc_cur_id'     => $title->getArticleID(),
 398                         'rc_user'       => $user->getId(),
 399                         'rc_user_text'  => $user->getName(),
 400                         'rc_comment'    => $comment,
 401                         'rc_this_oldid' => $newId,
 402                         'rc_last_oldid' => $oldId,
 403                         'rc_bot'        => $bot ? 1 : 0,
 404                         'rc_moved_to_ns' => 0,
 405                         'rc_moved_to_title' => '',
 406                         'rc_ip'         => $ip,
 407                         'rc_patrolled'  => intval($patrol),
 408                         'rc_new'        => 0,  # obsolete
 409                         'rc_old_len'    => $oldSize,
 410                         'rc_new_len'    => $newSize,
 411                         'rc_deleted'    => 0,
 412                         'rc_logid'      => 0,
 413                         'rc_log_type'   => null,
 414                         'rc_log_action' => '',
 415                         'rc_params'     => ''
 416                 );
 417
 418                 $rc->mExtra =  array(
 419                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 420                         'lastTimestamp' => $lastTimestamp,
 421                         'oldSize'       => $oldSize,
 422                         'newSize'       => $newSize,
 423                 );
 424                 $rc->save();
 425                 return $rc;
 426         }
 427
 428         /**
 429          * Makes an entry in the database corresponding to page creation
 430          * Note: the title object must be loaded with the new id using resetArticleID()
 431          * @todo Document parameters and return
 432          *
 433          * @param $timestamp
 434          * @param $title Title
 435          * @param $minor
 436          * @param $user User
 437          * @param $comment
 438          * @param $bot
 439          * @param $ip string
 440          * @param $size int
 441          * @param $newId int
 442          * @param $patrol int
 443          * @return RecentChange
 444          */
 445         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 446                 $ip='', $size=0, $newId=0, $patrol=0 ) {
 447                 global $wgRequest;
 448                 if( !$ip ) {
 449                         $ip = $wgRequest->getIP();
 450                         if( !$ip ) {
 451                                 $ip = '';
 452                         }
 453                 }
 454
 455                 $rc = new RecentChange;
 456                 $rc->mAttribs = array(
 457                         'rc_timestamp'      => $timestamp,
 458                         'rc_cur_time'       => $timestamp,
 459                         'rc_namespace'      => $title->getNamespace(),
 460                         'rc_title'          => $title->getDBkey(),
 461                         'rc_type'           => RC_NEW,
 462                         'rc_minor'          => $minor ? 1 : 0,
 463                         'rc_cur_id'         => $title->getArticleID(),
 464                         'rc_user'           => $user->getId(),
 465                         'rc_user_text'      => $user->getName(),
 466                         'rc_comment'        => $comment,
 467                         'rc_this_oldid'     => $newId,
 468                         'rc_last_oldid'     => 0,
 469                         'rc_bot'            => $bot ? 1 : 0,
 470                         'rc_moved_to_ns'    => 0,
 471                         'rc_moved_to_title' => '',
 472                         'rc_ip'             => $ip,
 473                         'rc_patrolled'      => intval($patrol),
 474                         'rc_new'            => 1, # obsolete
 475                         'rc_old_len'        => 0,
 476                         'rc_new_len'        => $size,
 477                         'rc_deleted'        => 0,
 478                         'rc_logid'          => 0,
 479                         'rc_log_type'       => null,
 480                         'rc_log_action'     => '',
 481                         'rc_params'         => ''
 482                 );
 483
 484                 $rc->mExtra =  array(
 485                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 486                         'lastTimestamp' => 0,
 487                         'oldSize' => 0,
 488                         'newSize' => $size
 489                 );
 490                 $rc->save();
 491                 return $rc;
 492         }
 493
 494         /**
 495          * @param $timestamp
 496          * @param $title
 497          * @param $user
 498          * @param $actionComment
 499          * @param $ip string
 500          * @param $type
 501          * @param $action
 502          * @param $target
 503          * @param $logComment
 504          * @param $params
 505          * @param $newId int
 506          * @param $actionCommentIRC string
 507          * @return bool
 508          */
 509         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip, $type,
 510                 $action, $target, $logComment, $params, $newId=0, $actionCommentIRC='' )
 511         {
 512                 global $wgLogRestrictions;
 513                 # Don't add private logs to RC!
 514                 if( isset($wgLogRestrictions[$type]) && $wgLogRestrictions[$type] != '*' ) {
 515                         return false;
 516                 }
 517                 $rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
 518                         $target, $logComment, $params, $newId, $actionCommentIRC );
 519                 $rc->save();
 520                 return true;
 521         }
 522
 523         /**
 524          * @param $timestamp
 525          * @param $title Title
 526          * @param $user User
 527          * @param $actionComment
 528          * @param $ip string
 529          * @param $type
 530          * @param $action
 531          * @param $target Title
 532          * @param $logComment
 533          * @param $params
 534          * @param $newId int
 535          * @param $actionCommentIRC string
 536          * @return RecentChange
 537          */
 538         public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip,
 539                 $type, $action, $target, $logComment, $params, $newId=0, $actionCommentIRC='' ) {
 540                 global $wgRequest;
 541                 if( !$ip ) {
 542                         $ip = $wgRequest->getIP();
 543                         if( !$ip ) {
 544                                 $ip = '';
 545                         }
 546                 }
 547
 548                 $rc = new RecentChange;
 549                 $rc->mAttribs = array(
 550                         'rc_timestamp'  => $timestamp,
 551                         'rc_cur_time'   => $timestamp,
 552                         'rc_namespace'  => $target->getNamespace(),
 553                         'rc_title'      => $target->getDBkey(),
 554                         'rc_type'       => RC_LOG,
 555                         'rc_minor'      => 0,
 556                         'rc_cur_id'     => $target->getArticleID(),
 557                         'rc_user'       => $user->getId(),
 558                         'rc_user_text'  => $user->getName(),
 559                         'rc_comment'    => $logComment,
 560                         'rc_this_oldid' => 0,
 561                         'rc_last_oldid' => 0,
 562                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 563                         'rc_moved_to_ns' => 0,
 564                         'rc_moved_to_title' => '',
 565                         'rc_ip'         => $ip,
 566                         'rc_patrolled'  => 1,
 567                         'rc_new'        => 0, # obsolete
 568                         'rc_old_len'    => null,
 569                         'rc_new_len'    => null,
 570                         'rc_deleted'    => 0,
 571                         'rc_logid'      => $newId,
 572                         'rc_log_type'   => $type,
 573                         'rc_log_action' => $action,
 574                         'rc_params'     => $params
 575                 );
 576                 $rc->mExtra =  array(
 577                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 578                         'lastTimestamp' => 0,
 579                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 580                         'actionCommentIRC' => $actionCommentIRC
 581                 );
 582                 return $rc;
 583         }
 584
 585         /**
 586          * Initialises the members of this object from a mysql row object
 587          *
 588          * @param $row
 589          */
 590         public function loadFromRow( $row ) {
 591                 $this->mAttribs = get_object_vars( $row );
 592                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 593                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 594         }
 595
 596         /**
 597          * Makes a pseudo-RC entry from a cur row
 598          *
 599          * @param $row
 600          */
 601         public function loadFromCurRow( $row ) {
 602                 $this->mAttribs = array(
 603                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 604                         'rc_cur_time' => $row->rev_timestamp,
 605                         'rc_user' => $row->rev_user,
 606                         'rc_user_text' => $row->rev_user_text,
 607                         'rc_namespace' => $row->page_namespace,
 608                         'rc_title' => $row->page_title,
 609                         'rc_comment' => $row->rev_comment,
 610                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 611                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 612                         'rc_cur_id' => $row->page_id,
 613                         'rc_this_oldid' => $row->rev_id,
 614                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 615                         'rc_bot'        => 0,
 616                         'rc_moved_to_ns'        => 0,
 617                         'rc_moved_to_title'     => '',
 618                         'rc_ip' => '',
 619                         'rc_id' => $row->rc_id,
 620                         'rc_patrolled' => $row->rc_patrolled,
 621                         'rc_new' => $row->page_is_new, # obsolete
 622                         'rc_old_len' => $row->rc_old_len,
 623                         'rc_new_len' => $row->rc_new_len,
 624                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 625                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 626                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 627                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 628                         'rc_deleted' => $row->rc_deleted // MUST be set
 629                 );
 630         }
 631
 632         /**
 633          * Get an attribute value
 634          *
 635          * @param $name String Attribute name
 636          * @return mixed
 637          */
 638         public function getAttribute( $name ) {
 639                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : null;
 640         }
 641
 642         /**
 643          * @return array
 644          */
 645         public function getAttributes() {
 646                 return $this->mAttribs;
 647         }
 648
 649         /**
 650          * Gets the end part of the diff URL associated with this object
 651          * Blank if no diff link should be displayed
 652          * @param $forceCur
 653          * @return string
 654          */
 655         public function diffLinkTrail( $forceCur ) {
 656                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 657                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 658                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 659                         if( $forceCur ) {
 660                                 $trail .= '&diff=0' ;
 661                         } else {
 662                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 663                         }
 664                 } else {
 665                         $trail = '';
 666                 }
 667                 return $trail;
 668         }
 669
 670         /**
 671          * @return string
 672          */
 673         public function getIRCLine() {
 674                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki,
 675                         $wgCanonicalServer, $wgScript;
 676
 677                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 678                         $titleObj = SpecialPage::getTitleFor( 'Log', $this->mAttribs['rc_log_type'] );
 679                 } else {
 680                         $titleObj =& $this->getTitle();
 681                 }
 682                 $title = $titleObj->getPrefixedText();
 683                 $title = self::cleanupForIRC( $title );
 684
 685                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 686                         $url = '';
 687                 } else {
 688                         $url = $wgCanonicalServer . $wgScript;
 689                         if( $this->mAttribs['rc_type'] == RC_NEW ) {
 690                                 $query = '?oldid=' . $this->mAttribs['rc_this_oldid'];
 691                         } else {
 692                                 $query = '?diff=' . $this->mAttribs['rc_this_oldid'] . '&oldid=' . $this->mAttribs['rc_last_oldid'];
 693                         }
 694                         if ( $wgUseRCPatrol || ( $this->mAttribs['rc_type'] == RC_NEW && $wgUseNPPatrol ) ) {
 695                                 $query .= '&rcid=' . $this->mAttribs['rc_id'];
 696                         }
 697                         // HACK: We need this hook for WMF's secure server setup
 698                         wfRunHooks( 'IRCLineURL', array( &$url, &$query ) );
 699                         $url .= $query;
 700                 }
 701
 702                 if( $this->mAttribs['rc_old_len'] !== null && $this->mAttribs['rc_new_len'] !== null ) {
 703                         $szdiff = $this->mAttribs['rc_new_len'] - $this->mAttribs['rc_old_len'];
 704                         if($szdiff < -500) {
 705                                 $szdiff = "\002$szdiff\002";
 706                         } elseif($szdiff >= 0) {
 707                                 $szdiff = '+' . $szdiff ;
 708                         }
 709                         // @todo i18n with parentheses in content language?
 710                         $szdiff = '(' . $szdiff . ')' ;
 711                 } else {
 712                         $szdiff = '';
 713                 }
 714
 715                 $user = self::cleanupForIRC( $this->mAttribs['rc_user_text'] );
 716
 717                 if ( $this->mAttribs['rc_type'] == RC_LOG ) {
 718                         $targetText = $this->getTitle()->getPrefixedText();
 719                         $comment = self::cleanupForIRC( str_replace( "[[$targetText]]", "[[\00302$targetText\00310]]", $this->mExtra['actionCommentIRC'] ) );
 720                         $flag = $this->mAttribs['rc_log_action'];
 721                 } else {
 722                         $comment = self::cleanupForIRC( $this->mAttribs['rc_comment'] );
 723                         $flag = '';
 724                         if ( !$this->mAttribs['rc_patrolled'] && ( $wgUseRCPatrol || $this->mAttribs['rc_new'] && $wgUseNPPatrol ) ) {
 725                                 $flag .= '!';
 726                         }
 727                         $flag .= ( $this->mAttribs['rc_new'] ? "N" : "" ) . ( $this->mAttribs['rc_minor'] ? "M" : "" ) . ( $this->mAttribs['rc_bot'] ? "B" : "" );
 728                 }
 729
 730                 if ( $wgRC2UDPInterwikiPrefix === true && $wgLocalInterwiki !== false ) {
 731                         $prefix = $wgLocalInterwiki;
 732                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 733                         $prefix = $wgRC2UDPInterwikiPrefix;
 734                 } else {
 735                         $prefix = false;
 736                 }
 737                 if ( $prefix !== false ) {
 738                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 739                 } else {
 740                         $titleString = "\00314[[\00307$title\00314]]";
 741                 }
 742
 743                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 744                 # no colour (\003) switches back to the term default
 745                 $fullString = "$titleString\0034 $flag\00310 " .
 746                                           "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 747
 748                 return $fullString;
 749         }
 750
 751         /**
 752          * Returns the change size (HTML).
 753          * The lengths can be given optionally.
 754          * @param $old int
 755          * @param $new int
 756          * @return string
 757          */
 758         public function getCharacterDifference( $old = 0, $new = 0 ) {
 759                 if( $old === 0 ) {
 760                         $old = $this->mAttribs['rc_old_len'];
 761                 }
 762                 if( $new === 0 ) {
 763                         $new = $this->mAttribs['rc_new_len'];
 764                 }
 765                 if( $old === null || $new === null ) {
 766                         return '';
 767                 }
 768                 return ChangesList::showCharacterDifference( $old, $new );
 769         }
 770 }