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         public static function newFromRow( $row ) {
  62                 $rc = new RecentChange;
  63                 $rc->loadFromRow( $row );
  64                 return $rc;
  65         }
  66
  67         public static function newFromCurRow( $row ) {
  68                 $rc = new RecentChange;
  69                 $rc->loadFromCurRow( $row );
  70                 $rc->notificationtimestamp = false;
  71                 $rc->numberofWatchingusers = false;
  72                 return $rc;
  73         }
  74
  75         /**
  76          * Obtain the recent change with a given rc_id value
  77          *
  78          * @param $rcid Int rc_id value to retrieve
  79          * @return RecentChange
  80          */
  81         public static function newFromId( $rcid ) {
  82                 $dbr = wfGetDB( DB_SLAVE );
  83                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  84                 if( $res && $dbr->numRows( $res ) > 0 ) {
  85                         $row = $dbr->fetchObject( $res );
  86                         return self::newFromRow( $row );
  87                 } else {
  88                         return null;
  89                 }
  90         }
  91
  92         /**
  93          * Find the first recent change matching some specific conditions
  94          *
  95          * @param $conds Array of conditions
  96          * @param $fname Mixed: override the method name in profiling/logs
  97          * @return RecentChange
  98          */
  99         public static function newFromConds( $conds, $fname = false ) {
 100                 if( $fname === false )
 101                         $fname = __METHOD__;
 102                 $dbr = wfGetDB( DB_SLAVE );
 103                 $res = $dbr->select(
 104                         'recentchanges',
 105                         '*',
 106                         $conds,
 107                         $fname
 108                 );
 109                 if( $res instanceof ResultWrapper && $res->numRows() > 0 ) {
 110                         $row = $res->fetchObject();
 111                         $res->free();
 112                         return self::newFromRow( $row );
 113                 }
 114                 return null;
 115         }
 116
 117         # Accessors
 118
 119         public function setAttribs( $attribs ) {
 120                 $this->mAttribs = $attribs;
 121         }
 122
 123         public function setExtra( $extra ) {
 124                 $this->mExtra = $extra;
 125         }
 126
 127         /**
 128          *
 129          * @return Title
 130          */
 131         public function &getTitle() {
 132                 if( $this->mTitle === false ) {
 133                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 134                         # Make sure the correct page ID is process cached
 135                         $this->mTitle->resetArticleID( $this->mAttribs['rc_cur_id'] );
 136                 }
 137                 return $this->mTitle;
 138         }
 139
 140         public function getMovedToTitle() {
 141                 if( $this->mMovedToTitle === false ) {
 142                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 143                                 $this->mAttribs['rc_moved_to_title'] );
 144                 }
 145                 return $this->mMovedToTitle;
 146         }
 147
 148         # Writes the data in this object to the database
 149         public function save() {
 150                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 151                 $fname = 'RecentChange::save';
 152
 153                 $dbw = wfGetDB( DB_MASTER );
 154                 if( !is_array($this->mExtra) ) {
 155                         $this->mExtra = array();
 156                 }
 157                 $this->mExtra['lang'] = $wgLocalInterwiki;
 158
 159                 if( !$wgPutIPinRC ) {
 160                         $this->mAttribs['rc_ip'] = '';
 161                 }
 162
 163                 # If our database is strict about IP addresses, use NULL instead of an empty string
 164                 if( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 165                         unset( $this->mAttribs['rc_ip'] );
 166                 }
 167
 168                 # Fixup database timestamps
 169                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 170                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 171                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'recentchanges_rc_id_seq' );
 172
 173                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 174                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 175                         unset( $this->mAttribs['rc_cur_id'] );
 176                 }
 177
 178                 # Insert new row
 179                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 180
 181                 # Set the ID
 182                 $this->mAttribs['rc_id'] = $dbw->insertId();
 183
 184                 # Notify extensions
 185                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 186
 187                 # Notify external application via UDP
 188                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 189                         self::sendToUDP( $this->getIRCLine() );
 190                 }
 191
 192                 # E-mail notifications
 193                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 194                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 195                         // Users
 196                         if( $this->mAttribs['rc_user'] ) {
 197                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 198                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 199                         // Anons
 200                         } else {
 201                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 202                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 203                         }
 204                         # FIXME: this would be better as an extension hook
 205                         $enotif = new EmailNotification();
 206                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 207                         $enotif->notifyOnPageChange( $editor, $title,
 208                                 $this->mAttribs['rc_timestamp'],
 209                                 $this->mAttribs['rc_comment'],
 210                                 $this->mAttribs['rc_minor'],
 211                                 $this->mAttribs['rc_last_oldid'] );
 212                 }
 213         }
 214
 215         public function notifyRC2UDP() {
 216                 global $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 217                 # Notify external application via UDP
 218                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 219                         self::sendToUDP( $this->getIRCLine() );
 220                 }
 221         }
 222
 223         /**
 224          * Send some text to UDP.
 225          * @see RecentChange::cleanupForIRC
 226          * @param $line String: text to send
 227          * @param $address String: defaults to $wgRC2UDPAddress.
 228          * @param $prefix String: defaults to $wgRC2UDPPrefix.
 229          * @param $port Int: defaults to $wgRC2UDPPort. (Since 1.17)
 230          * @return Boolean: success
 231          */
 232         public static function sendToUDP( $line, $address = '', $prefix = '', $port = '' ) {
 233                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 234                 # Assume default for standard RC case
 235                 $address = $address ? $address : $wgRC2UDPAddress;
 236                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 237                 $port = $port ? $port : $wgRC2UDPPort;
 238                 # Notify external application via UDP
 239                 if( $address ) {
 240                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 241                         if( $conn ) {
 242                                 $line = $prefix . $line;
 243                                 wfDebug( __METHOD__ . ": sending UDP line: $line\n" );
 244                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $port );
 245                                 socket_close( $conn );
 246                                 return true;
 247                         } else {
 248                                 wfDebug( __METHOD__ . ": failed to create UDP socket\n" );
 249                         }
 250                 }
 251                 return false;
 252         }
 253
 254         /**
 255          * Remove newlines, carriage returns and decode html entites
 256          * @param $text String
 257          * @return String
 258          */
 259         public static function cleanupForIRC( $text ) {
 260                 return Sanitizer::decodeCharReferences( str_replace( array( "\n", "\r" ), array( "", "" ), $text ) );
 261         }
 262
 263         /**
 264          * Mark a given change as patrolled
 265          *
 266          * @param $change Mixed: RecentChange or corresponding rc_id
 267          * @param $auto Boolean: for automatic patrol
 268          * @return Array See doMarkPatrolled(), or null if $change is not an existing rc_id
 269          */
 270         public static function markPatrolled( $change, $auto = false ) {
 271                 $change = $change instanceof RecentChange
 272                         ? $change
 273                         : RecentChange::newFromId($change);
 274                 if( !$change instanceof RecentChange ) {
 275                         return null;
 276                 }
 277                 return $change->doMarkPatrolled( $auto );
 278         }
 279
 280         /**
 281          * Mark this RecentChange as patrolled
 282          *
 283          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 284          * @param $auto Boolean: for automatic patrol
 285          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 286          */
 287         public function doMarkPatrolled( $auto = false ) {
 288                 global $wgUser, $wgUseRCPatrol, $wgUseNPPatrol;
 289                 $errors = array();
 290                 // If recentchanges patrol is disabled, only new pages
 291                 // can be patrolled
 292                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 293                         $errors[] = array('rcpatroldisabled');
 294                 }
 295                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 296                 $right = $auto ? 'autopatrol' : 'patrol';
 297                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $wgUser ) );
 298                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$wgUser, false)) ) {
 299                         $errors[] = array('hookaborted');
 300                 }
 301                 // Users without the 'autopatrol' right can't patrol their
 302                 // own revisions
 303                 if( $wgUser->getName() == $this->getAttribute('rc_user_text') && !$wgUser->isAllowed('autopatrol') ) {
 304                         $errors[] = array('markedaspatrollederror-noautopatrol');
 305                 }
 306                 if( $errors ) {
 307                         return $errors;
 308                 }
 309                 // If the change was patrolled already, do nothing
 310                 if( $this->getAttribute('rc_patrolled') ) {
 311                         return array();
 312                 }
 313                 // Actually set the 'patrolled' flag in RC
 314                 $this->reallyMarkPatrolled();
 315                 // Log this patrol event
 316                 PatrolLog::record( $this, $auto );
 317                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$wgUser, false) );
 318                 return array();
 319         }
 320
 321         /**
 322          * Mark this RecentChange patrolled, without error checking
 323          * @return Integer: number of affected rows
 324          */
 325         public function reallyMarkPatrolled() {
 326                 $dbw = wfGetDB( DB_MASTER );
 327                 $dbw->update(
 328                         'recentchanges',
 329                         array(
 330                                 'rc_patrolled' => 1
 331                         ),
 332                         array(
 333                                 'rc_id' => $this->getAttribute('rc_id')
 334                         ),
 335                         __METHOD__
 336                 );
 337                 return $dbw->affectedRows();
 338         }
 339
 340         /**
 341          * Makes an entry in the database corresponding to an edit
 342          *
 343          * @param $timestamp
 344          * @param $title Title
 345          * @param $minor
 346          * @param $user User
 347          * @param $comment
 348          * @param $oldId
 349          * @param $lastTimestamp
 350          * @param $bot
 351          * @param $ip string
 352          * @param $oldSize int
 353          * @param $newSize int
 354          * @param $newId int
 355          * @param $patrol int
 356          * @return RecentChange
 357          */
 358         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment, $oldId,
 359                 $lastTimestamp, $bot, $ip='', $oldSize=0, $newSize=0, $newId=0, $patrol=0 ) {
 360                 if( !$ip ) {
 361                         $ip = wfGetIP();
 362                         if( !$ip ) $ip = '';
 363                 }
 364
 365                 $rc = new RecentChange;
 366                 $rc->mAttribs = array(
 367                         'rc_timestamp'  => $timestamp,
 368                         'rc_cur_time'   => $timestamp,
 369                         'rc_namespace'  => $title->getNamespace(),
 370                         'rc_title'      => $title->getDBkey(),
 371                         'rc_type'       => RC_EDIT,
 372                         'rc_minor'      => $minor ? 1 : 0,
 373                         'rc_cur_id'     => $title->getArticleID(),
 374                         'rc_user'       => $user->getId(),
 375                         'rc_user_text'  => $user->getName(),
 376                         'rc_comment'    => $comment,
 377                         'rc_this_oldid' => $newId,
 378                         'rc_last_oldid' => $oldId,
 379                         'rc_bot'        => $bot ? 1 : 0,
 380                         'rc_moved_to_ns' => 0,
 381                         'rc_moved_to_title' => '',
 382                         'rc_ip'         => $ip,
 383                         'rc_patrolled'  => intval($patrol),
 384                         'rc_new'        => 0,  # obsolete
 385                         'rc_old_len'    => $oldSize,
 386                         'rc_new_len'    => $newSize,
 387                         'rc_deleted'    => 0,
 388                         'rc_logid'      => 0,
 389                         'rc_log_type'   => null,
 390                         'rc_log_action' => '',
 391                         'rc_params'     => ''
 392                 );
 393
 394                 $rc->mExtra =  array(
 395                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 396                         'lastTimestamp' => $lastTimestamp,
 397                         'oldSize'       => $oldSize,
 398                         'newSize'       => $newSize,
 399                 );
 400                 $rc->save();
 401                 return $rc;
 402         }
 403
 404         /**
 405          * Makes an entry in the database corresponding to page creation
 406          * Note: the title object must be loaded with the new id using resetArticleID()
 407          * @todo Document parameters and return
 408          *
 409          * @param $timestamp
 410          * @param $title Title
 411          * @param $minor
 412          * @param $user User
 413          * @param $comment
 414          * @param $bot
 415          * @param $ip string
 416          * @param $size int
 417          * @param $newId int
 418          * @param $patrol int
 419          * @return RecentChange
 420          */
 421         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 422                 $ip='', $size=0, $newId=0, $patrol=0 ) {
 423                 if( !$ip ) {
 424                         $ip = wfGetIP();
 425                         if( !$ip ) $ip = '';
 426                 }
 427
 428                 $rc = new RecentChange;
 429                 $rc->mAttribs = array(
 430                         'rc_timestamp'      => $timestamp,
 431                         'rc_cur_time'       => $timestamp,
 432                         'rc_namespace'      => $title->getNamespace(),
 433                         'rc_title'          => $title->getDBkey(),
 434                         'rc_type'           => RC_NEW,
 435                         'rc_minor'          => $minor ? 1 : 0,
 436                         'rc_cur_id'         => $title->getArticleID(),
 437                         'rc_user'           => $user->getId(),
 438                         'rc_user_text'      => $user->getName(),
 439                         'rc_comment'        => $comment,
 440                         'rc_this_oldid'     => $newId,
 441                         'rc_last_oldid'     => 0,
 442                         'rc_bot'            => $bot ? 1 : 0,
 443                         'rc_moved_to_ns'    => 0,
 444                         'rc_moved_to_title' => '',
 445                         'rc_ip'             => $ip,
 446                         'rc_patrolled'      => intval($patrol),
 447                         'rc_new'            => 1, # obsolete
 448                         'rc_old_len'        => 0,
 449                         'rc_new_len'        => $size,
 450                         'rc_deleted'        => 0,
 451                         'rc_logid'          => 0,
 452                         'rc_log_type'       => null,
 453                         'rc_log_action'     => '',
 454                         'rc_params'         => ''
 455                 );
 456
 457                 $rc->mExtra =  array(
 458                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 459                         'lastTimestamp' => 0,
 460                         'oldSize' => 0,
 461                         'newSize' => $size
 462                 );
 463                 $rc->save();
 464                 return $rc;
 465         }
 466
 467         # Makes an entry in the database corresponding to a rename
 468
 469         /**
 470          * @param $timestamp
 471          * @param $oldTitle Title
 472          * @param $newTitle Title
 473          * @param $user User
 474          * @param $comment
 475          * @param $ip string
 476          * @param $overRedir bool
 477          * @return void
 478          */
 479         public static function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='',
 480                 $overRedir = false ) {
 481                 global $wgRequest;
 482                 if( !$ip ) {
 483                         $ip = wfGetIP();
 484                         if( !$ip ) $ip = '';
 485                 }
 486
 487                 $rc = new RecentChange;
 488                 $rc->mAttribs = array(
 489                         'rc_timestamp'  => $timestamp,
 490                         'rc_cur_time'   => $timestamp,
 491                         'rc_namespace'  => $oldTitle->getNamespace(),
 492                         'rc_title'      => $oldTitle->getDBkey(),
 493                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 494                         'rc_minor'      => 0,
 495                         'rc_cur_id'     => $oldTitle->getArticleID(),
 496                         'rc_user'       => $user->getId(),
 497                         'rc_user_text'  => $user->getName(),
 498                         'rc_comment'    => $comment,
 499                         'rc_this_oldid' => 0,
 500                         'rc_last_oldid' => 0,
 501                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 502                         'rc_moved_to_ns' => $newTitle->getNamespace(),
 503                         'rc_moved_to_title' => $newTitle->getDBkey(),
 504                         'rc_ip'         => $ip,
 505                         'rc_new'        => 0, # obsolete
 506                         'rc_patrolled'  => 1,
 507                         'rc_old_len'    => null,
 508                         'rc_new_len'    => null,
 509                         'rc_deleted'    => 0,
 510                         'rc_logid'      => 0, # notifyMove not used anymore
 511                         'rc_log_type'   => null,
 512                         'rc_log_action' => '',
 513                         'rc_params'     => ''
 514                 );
 515
 516                 $rc->mExtra = array(
 517                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 518                         'lastTimestamp' => 0,
 519                         'prefixedMoveTo' => $newTitle->getPrefixedDBkey()
 520                 );
 521                 $rc->save();
 522         }
 523
 524         public static function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 525                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 526         }
 527
 528         public static function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 529                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 530         }
 531
 532         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='', $type,
 533                 $action, $target, $logComment, $params, $newId=0 )
 534         {
 535                 global $wgLogRestrictions;
 536                 # Don't add private logs to RC!
 537                 if( isset($wgLogRestrictions[$type]) && $wgLogRestrictions[$type] != '*' ) {
 538                         return false;
 539                 }
 540                 $rc = self::newLogEntry( $timestamp, $title, $user, $actionComment, $ip, $type, $action,
 541                         $target, $logComment, $params, $newId );
 542                 $rc->save();
 543                 return true;
 544         }
 545
 546         /**
 547          * @param $timestamp
 548          * @param $title Title
 549          * @param $user User
 550          * @param $actionComment
 551          * @param $ip string
 552          * @param $type
 553          * @param $action
 554          * @param $target Title
 555          * @param $logComment
 556          * @param $params
 557          * @param $newId int
 558          * @return RecentChange
 559          */
 560         public static function newLogEntry( $timestamp, &$title, &$user, $actionComment, $ip='',
 561                 $type, $action, $target, $logComment, $params, $newId=0 ) {
 562                 global $wgRequest;
 563                 if( !$ip ) {
 564                         $ip = wfGetIP();
 565                         if( !$ip ) {
 566                                 $ip = '';
 567                         }
 568                 }
 569
 570                 $rc = new RecentChange;
 571                 $rc->mAttribs = array(
 572                         'rc_timestamp'  => $timestamp,
 573                         'rc_cur_time'   => $timestamp,
 574                         'rc_namespace'  => $target->getNamespace(),
 575                         'rc_title'      => $target->getDBkey(),
 576                         'rc_type'       => RC_LOG,
 577                         'rc_minor'      => 0,
 578                         'rc_cur_id'     => $target->getArticleID(),
 579                         'rc_user'       => $user->getId(),
 580                         'rc_user_text'  => $user->getName(),
 581                         'rc_comment'    => $logComment,
 582                         'rc_this_oldid' => 0,
 583                         'rc_last_oldid' => 0,
 584                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 585                         'rc_moved_to_ns' => 0,
 586                         'rc_moved_to_title' => '',
 587                         'rc_ip'         => $ip,
 588                         'rc_patrolled'  => 1,
 589                         'rc_new'        => 0, # obsolete
 590                         'rc_old_len'    => null,
 591                         'rc_new_len'    => null,
 592                         'rc_deleted'    => 0,
 593                         'rc_logid'      => $newId,
 594                         'rc_log_type'   => $type,
 595                         'rc_log_action' => $action,
 596                         'rc_params'     => $params
 597                 );
 598                 $rc->mExtra =  array(
 599                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 600                         'lastTimestamp' => 0,
 601                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 602                 );
 603                 return $rc;
 604         }
 605
 606         # Initialises the members of this object from a mysql row object
 607         public function loadFromRow( $row ) {
 608                 $this->mAttribs = get_object_vars( $row );
 609                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 610                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 611         }
 612
 613         # Makes a pseudo-RC entry from a cur row
 614         public function loadFromCurRow( $row ) {
 615                 $this->mAttribs = array(
 616                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 617                         'rc_cur_time' => $row->rev_timestamp,
 618                         'rc_user' => $row->rev_user,
 619                         'rc_user_text' => $row->rev_user_text,
 620                         'rc_namespace' => $row->page_namespace,
 621                         'rc_title' => $row->page_title,
 622                         'rc_comment' => $row->rev_comment,
 623                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 624                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 625                         'rc_cur_id' => $row->page_id,
 626                         'rc_this_oldid' => $row->rev_id,
 627                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 628                         'rc_bot'        => 0,
 629                         'rc_moved_to_ns'        => 0,
 630                         'rc_moved_to_title'     => '',
 631                         'rc_ip' => '',
 632                         'rc_id' => $row->rc_id,
 633                         'rc_patrolled' => $row->rc_patrolled,
 634                         'rc_new' => $row->page_is_new, # obsolete
 635                         'rc_old_len' => $row->rc_old_len,
 636                         'rc_new_len' => $row->rc_new_len,
 637                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 638                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 639                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 640                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 641                         'rc_deleted' => $row->rc_deleted // MUST be set
 642                 );
 643         }
 644
 645         /**
 646          * Get an attribute value
 647          *
 648          * @param $name String Attribute name
 649          * @return mixed
 650          */
 651         public function getAttribute( $name ) {
 652                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : null;
 653         }
 654
 655         public function getAttributes() {
 656                 return $this->mAttribs;
 657         }
 658
 659         /**
 660          * Gets the end part of the diff URL associated with this object
 661          * Blank if no diff link should be displayed
 662          */
 663         public function diffLinkTrail( $forceCur ) {
 664                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 665                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 666                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 667                         if( $forceCur ) {
 668                                 $trail .= '&diff=0' ;
 669                         } else {
 670                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 671                         }
 672                 } else {
 673                         $trail = '';
 674                 }
 675                 return $trail;
 676         }
 677
 678         public function getIRCLine() {
 679                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki;
 680
 681                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 682                         $titleObj = Title::newFromText( 'Log/' . $this->mAttribs['rc_log_type'], NS_SPECIAL );
 683                 } else {
 684                         $titleObj =& $this->getTitle();
 685                 }
 686                 $title = $titleObj->getPrefixedText();
 687                 $title = self::cleanupForIRC( $title );
 688
 689                 if( $this->mAttribs['rc_type'] == RC_LOG ) {
 690                         $url = '';
 691                 } else {
 692                         if( $this->mAttribs['rc_type'] == RC_NEW ) {
 693                                 $url = 'oldid=' . $this->mAttribs['rc_this_oldid'];
 694                         } else {
 695                                 $url = 'diff=' . $this->mAttribs['rc_this_oldid'] . '&oldid=' . $this->mAttribs['rc_last_oldid'];
 696                         }
 697                         if ( $wgUseRCPatrol || ( $this->mAttribs['rc_type'] == RC_NEW && $wgUseNPPatrol ) ) {
 698                                 $url .= '&rcid=' . $this->mAttribs['rc_id'];
 699                         }
 700                         // XXX: *HACK* this should use getFullURL(), hacked for SSL madness --brion 2005-12-26
 701                         // XXX: *HACK^2* the preg_replace() undoes much of what getInternalURL() does, but we
 702                         // XXX: need to call it so that URL paths on the Wikimedia secure server can be fixed
 703                         // XXX: by a custom GetInternalURL hook --vyznev 2008-12-10
 704                         $url = preg_replace( '/title=[^&]*&/', '', $titleObj->getInternalURL( $url ) );
 705                 }
 706
 707                 if( isset( $this->mExtra['oldSize'] ) && isset( $this->mExtra['newSize'] ) ) {
 708                         $szdiff = $this->mExtra['newSize'] - $this->mExtra['oldSize'];
 709                         if($szdiff < -500) {
 710                                 $szdiff = "\002$szdiff\002";
 711                         } elseif($szdiff >= 0) {
 712                                 $szdiff = '+' . $szdiff ;
 713                         }
 714                         $szdiff = '(' . $szdiff . ')' ;
 715                 } else {
 716                         $szdiff = '';
 717                 }
 718
 719                 $user = self::cleanupForIRC( $this->mAttribs['rc_user_text'] );
 720
 721                 if ( $this->mAttribs['rc_type'] == RC_LOG ) {
 722                         $targetText = $this->getTitle()->getPrefixedText();
 723                         $comment = self::cleanupForIRC( str_replace( "[[$targetText]]", "[[\00302$targetText\00310]]", $this->mExtra['actionComment'] ) );
 724                         $flag = $this->mAttribs['rc_log_action'];
 725                 } else {
 726                         $comment = self::cleanupForIRC( $this->mAttribs['rc_comment'] );
 727                         $flag = '';
 728                         if ( !$this->mAttribs['rc_patrolled'] && ( $wgUseRCPatrol || $this->mAttribs['rc_new'] && $wgUseNPPatrol ) ) {
 729                                 $flag .= '!';
 730                         }
 731                         $flag .= ( $this->mAttribs['rc_new'] ? "N" : "" ) . ( $this->mAttribs['rc_minor'] ? "M" : "" ) . ( $this->mAttribs['rc_bot'] ? "B" : "" );
 732                 }
 733
 734                 if ( $wgRC2UDPInterwikiPrefix === true && $wgLocalInterwiki !== false ) {
 735                         $prefix = $wgLocalInterwiki;
 736                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 737                         $prefix = $wgRC2UDPInterwikiPrefix;
 738                 } else {
 739                         $prefix = false;
 740                 }
 741                 if ( $prefix !== false ) {
 742                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 743                 } else {
 744                         $titleString = "\00314[[\00307$title\00314]]";
 745                 }
 746
 747                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 748                 # no colour (\003) switches back to the term default
 749                 $fullString = "$titleString\0034 $flag\00310 " .
 750                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 751
 752                 return $fullString;
 753         }
 754
 755         /**
 756          * Returns the change size (HTML).
 757          * The lengths can be given optionally.
 758          */
 759         public function getCharacterDifference( $old = 0, $new = 0 ) {
 760                 if( $old === 0 ) {
 761                         $old = $this->mAttribs['rc_old_len'];
 762                 }
 763                 if( $new === 0 ) {
 764                         $new = $this->mAttribs['rc_new_len'];
 765                 }
 766                 if( $old === null || $new === null ) {
 767                         return '';
 768                 }
 769                 return ChangesList::showCharacterDifference( $old, $new );
 770         }
 771 }