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