includes/RecentChange.php

   1 <?php
   2
   3 /**
   4  * Utility class for creating new RC entries
   5  * mAttribs:
   6  *      rc_id           id of the row in the recentchanges table
   7  *      rc_timestamp    time the entry was made
   8  *      rc_cur_time     timestamp on the cur row
   9  *      rc_namespace    namespace #
  10  *      rc_title        non-prefixed db key
  11  *      rc_type         is new entry, used to determine whether updating is necessary
  12  *      rc_minor        is minor
  13  *      rc_cur_id       page_id of associated page entry
  14  *      rc_user         user id who made the entry
  15  *      rc_user_text    user name who made the entry
  16  *      rc_comment      edit summary
  17  *      rc_this_oldid   rev_id associated with this entry (or zero)
  18  *      rc_last_oldid   rev_id associated with the entry before this one (or zero)
  19  *      rc_bot          is bot, hidden
  20  *      rc_ip           IP address of the user in dotted quad notation
  21  *      rc_new          obsolete, use rc_type==RC_NEW
  22  *      rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  23  *      rc_old_len      integer byte length of the text before the edit
  24  *      rc_new_len      the same after the edit
  25   *     rc_deleted              partial deletion
  26  *      rc_logid                the log_id value for this log entry (or zero)
  27  *  rc_log_type         the log type (or null)
  28  *      rc_log_action   the log action (or null)
  29  *  rc_params           log params
  30  *
  31  * mExtra:
  32  *      prefixedDBkey   prefixed db key, used by external app via msg queue
  33  *      lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  34  *      lang            the interwiki prefix, automatically set in save()
  35  *  oldSize         text size before the change
  36  *  newSize         text size after the change
  37  *
  38  * temporary:           not stored in the database
  39  *      notificationtimestamp
  40  *      numberofWatchingusers
  41  *
  42  * @todo document functions and variables
  43  */
  44 class RecentChange
  45 {
  46         var $mAttribs = array(), $mExtra = array();
  47         var $mTitle = false, $mMovedToTitle = false;
  48         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  49
  50         # Factory methods
  51
  52         public static function newFromRow( $row ) {
  53                 $rc = new RecentChange;
  54                 $rc->loadFromRow( $row );
  55                 return $rc;
  56         }
  57
  58         public static function newFromCurRow( $row ) {
  59                 $rc = new RecentChange;
  60                 $rc->loadFromCurRow( $row );
  61                 $rc->notificationtimestamp = false;
  62                 $rc->numberofWatchingusers = false;
  63                 return $rc;
  64         }
  65
  66         /**
  67          * Obtain the recent change with a given rc_id value
  68          *
  69          * @param $rcid rc_id value to retrieve
  70          * @return RecentChange
  71          */
  72         public static function newFromId( $rcid ) {
  73                 $dbr = wfGetDB( DB_SLAVE );
  74                 $res = $dbr->select( 'recentchanges', '*', array( 'rc_id' => $rcid ), __METHOD__ );
  75                 if( $res && $dbr->numRows( $res ) > 0 ) {
  76                         $row = $dbr->fetchObject( $res );
  77                         $dbr->freeResult( $res );
  78                         return self::newFromRow( $row );
  79                 } else {
  80                         return NULL;
  81                 }
  82         }
  83
  84         /**
  85          * Find the first recent change matching some specific conditions
  86          *
  87          * @param array $conds Array of conditions
  88          * @param mixed $fname Override the method name in profiling/logs
  89          * @return RecentChange
  90          */
  91         public static function newFromConds( $conds, $fname = false ) {
  92                 if( $fname === false )
  93                         $fname = __METHOD__;
  94                 $dbr = wfGetDB( DB_SLAVE );
  95                 $res = $dbr->select(
  96                         'recentchanges',
  97                         '*',
  98                         $conds,
  99                         $fname
 100                 );
 101                 if( $res instanceof ResultWrapper && $res->numRows() > 0 ) {
 102                         $row = $res->fetchObject();
 103                         $res->free();
 104                         return self::newFromRow( $row );
 105                 }
 106                 return null;
 107         }
 108
 109         # Accessors
 110
 111         public function setAttribs( $attribs ) {
 112                 $this->mAttribs = $attribs;
 113         }
 114
 115         public function setExtra( $extra ) {
 116                 $this->mExtra = $extra;
 117         }
 118
 119         public function &getTitle() {
 120                 if( $this->mTitle === false ) {
 121                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 122                 }
 123                 return $this->mTitle;
 124         }
 125
 126         public function getMovedToTitle() {
 127                 if( $this->mMovedToTitle === false ) {
 128                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
 129                                 $this->mAttribs['rc_moved_to_title'] );
 130                 }
 131                 return $this->mMovedToTitle;
 132         }
 133
 134         # Writes the data in this object to the database
 135         public function save() {
 136                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPOmitBots;
 137                 $fname = 'RecentChange::save';
 138
 139                 $dbw = wfGetDB( DB_MASTER );
 140                 if( !is_array($this->mExtra) ) {
 141                         $this->mExtra = array();
 142                 }
 143                 $this->mExtra['lang'] = $wgLocalInterwiki;
 144
 145                 if( !$wgPutIPinRC ) {
 146                         $this->mAttribs['rc_ip'] = '';
 147                 }
 148
 149                 # If our database is strict about IP addresses, use NULL instead of an empty string
 150                 if( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 151                         unset( $this->mAttribs['rc_ip'] );
 152                 }
 153
 154                 # Fixup database timestamps
 155                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 156                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 157                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 158
 159                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 160                 if( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 161                         unset ( $this->mAttribs['rc_cur_id'] );
 162                 }
 163
 164                 # Insert new row
 165                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 166
 167                 # Set the ID
 168                 $this->mAttribs['rc_id'] = $dbw->insertId();
 169
 170                 # Notify external application via UDP
 171                 if( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 172                         self::sendToUDP( $this->getIRCLine() );
 173                 }
 174
 175                 # E-mail notifications
 176                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 177                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 178                         // Users
 179                         if( $this->mAttribs['rc_user'] ) {
 180                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 181                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 182                         // Anons
 183                         } else {
 184                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 185                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 186                         }
 187                         # FIXME: this would be better as an extension hook
 188                         $enotif = new EmailNotification();
 189                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 190                         $enotif->notifyOnPageChange( $editor, $title,
 191                                 $this->mAttribs['rc_timestamp'],
 192                                 $this->mAttribs['rc_comment'],
 193                                 $this->mAttribs['rc_minor'],
 194                                 $this->mAttribs['rc_last_oldid'] );
 195                 }
 196
 197                 # Notify extensions
 198                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 199         }
 200
 201         /**
 202          * Send some text to UDP
 203          * @param string $line
 204          * @param string $prefix
 205          * @param string $address
 206          * @return bool success
 207          */
 208         public static function sendToUDP( $line, $address = '', $prefix = '' ) {
 209                 global $wgRC2UDPAddress, $wgRC2UDPPrefix, $wgRC2UDPPort;
 210                 # Assume default for standard RC case
 211                 $address = $address ? $address : $wgRC2UDPAddress;
 212                 $prefix = $prefix ? $prefix : $wgRC2UDPPrefix;
 213                 # Notify external application via UDP
 214                 if( $address ) {
 215                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 216                         if( $conn ) {
 217                                 $line = $prefix . $line;
 218                                 socket_sendto( $conn, $line, strlen($line), 0, $address, $wgRC2UDPPort );
 219                                 socket_close( $conn );
 220                                 return true;
 221                         }
 222                 }
 223                 return false;
 224         }
 225
 226         /**
 227          * Remove newlines and carriage returns
 228          * @param string $line
 229          * @return string
 230          */
 231         public static function cleanupForIRC( $text ) {
 232                 return str_replace(array("\n", "\r"), array("", ""), $text);
 233         }
 234
 235         /**
 236          * Mark a given change as patrolled
 237          *
 238          * @param mixed $change RecentChange or corresponding rc_id
 239          * @param bool $auto for automatic patrol
 240          * @return See doMarkPatrolled(), or null if $change is not an existing rc_id
 241          */
 242         public static function markPatrolled( $change, $auto = false ) {
 243                 $change = $change instanceof RecentChange
 244                         ? $change
 245                         : RecentChange::newFromId($change);
 246                 if( !$change instanceof RecentChange ) {
 247                         return null;
 248                 }
 249                 return $change->doMarkPatrolled( $auto );
 250         }
 251
 252         /**
 253          * Mark this RecentChange as patrolled
 254          *
 255          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 256          * @param bool $auto for automatic patrol
 257          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 258          */
 259         public function doMarkPatrolled( $auto = false ) {
 260                 global $wgUser, $wgUseRCPatrol, $wgUseNPPatrol;
 261                 $errors = array();
 262                 // If recentchanges patrol is disabled, only new pages
 263                 // can be patrolled
 264                 if( !$wgUseRCPatrol && ( !$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW ) ) {
 265                         $errors[] = array('rcpatroldisabled');
 266                 }
 267                 // Automatic patrol needs "autopatrol", ordinary patrol needs "patrol"
 268                 $right = $auto ? 'autopatrol' : 'patrol';
 269                 $errors = array_merge( $errors, $this->getTitle()->getUserPermissionsErrors( $right, $wgUser ) );
 270                 if( !wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$wgUser, false)) ) {
 271                         $errors[] = array('hookaborted');
 272                 }
 273                 // Users without the 'autopatrol' right can't patrol their
 274                 // own revisions
 275                 if( $wgUser->getName() == $this->getAttribute('rc_user_text') && !$wgUser->isAllowed('autopatrol') ) {
 276                         $errors[] = array('markedaspatrollederror-noautopatrol');
 277                 }
 278                 if( $errors ) {
 279                         return $errors;
 280                 }
 281                 // If the change was patrolled already, do nothing
 282                 if( $this->getAttribute('rc_patrolled') ) {
 283                         return array();
 284                 }
 285                 // Actually set the 'patrolled' flag in RC
 286                 $this->reallyMarkPatrolled();
 287                 // Log this patrol event
 288                 PatrolLog::record( $this, $auto );
 289                 wfRunHooks( 'MarkPatrolledComplete', array($this->getAttribute('rc_id'), &$wgUser, false) );
 290                 return array();
 291         }
 292
 293         /**
 294          * Mark this RecentChange patrolled, without error checking
 295          * @return int Number of affected rows
 296          */
 297         public function reallyMarkPatrolled() {
 298                 $dbw = wfGetDB( DB_MASTER );
 299                 $dbw->update(
 300                         'recentchanges',
 301                         array(
 302                                 'rc_patrolled' => 1
 303                         ),
 304                         array(
 305                                 'rc_id' => $this->getAttribute('rc_id')
 306                         ),
 307                         __METHOD__
 308                 );
 309                 return $dbw->affectedRows();
 310         }
 311
 312         # Makes an entry in the database corresponding to an edit
 313         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 314                 $oldId, $lastTimestamp, $bot, $ip = '', $oldSize = 0, $newSize = 0, $newId = 0)
 315         {
 316                 if( !$ip ) {
 317                         $ip = wfGetIP();
 318                         if( !$ip ) {
 319                                 $ip = '';
 320                         }
 321                 }
 322
 323                 $rc = new RecentChange;
 324                 $rc->mAttribs = array(
 325                         'rc_timestamp'  => $timestamp,
 326                         'rc_cur_time'   => $timestamp,
 327                         'rc_namespace'  => $title->getNamespace(),
 328                         'rc_title'      => $title->getDBkey(),
 329                         'rc_type'       => RC_EDIT,
 330                         'rc_minor'      => $minor ? 1 : 0,
 331                         'rc_cur_id'     => $title->getArticleID(),
 332                         'rc_user'       => $user->getId(),
 333                         'rc_user_text'  => $user->getName(),
 334                         'rc_comment'    => $comment,
 335                         'rc_this_oldid' => $newId,
 336                         'rc_last_oldid' => $oldId,
 337                         'rc_bot'        => $bot ? 1 : 0,
 338                         'rc_moved_to_ns'        => 0,
 339                         'rc_moved_to_title'     => '',
 340                         'rc_ip'         => $ip,
 341                         'rc_patrolled'  => 0,
 342                         'rc_new'        => 0,  # obsolete
 343                         'rc_old_len'    => $oldSize,
 344                         'rc_new_len'    => $newSize,
 345                         'rc_deleted'    => 0,
 346                         'rc_logid'              => 0,
 347                         'rc_log_type'   => null,
 348                         'rc_log_action' => '',
 349                         'rc_params'             => ''
 350                 );
 351
 352                 $rc->mExtra =  array(
 353                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 354                         'lastTimestamp' => $lastTimestamp,
 355                         'oldSize'       => $oldSize,
 356                         'newSize'       => $newSize,
 357                 );
 358                 $rc->save();
 359                 return $rc;
 360         }
 361
 362         /**
 363          * Makes an entry in the database corresponding to page creation
 364          * Note: the title object must be loaded with the new id using resetArticleID()
 365          * @todo Document parameters and return
 366          */
 367         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 368           $ip='', $size = 0, $newId = 0 )
 369         {
 370                 if( !$ip ) {
 371                         $ip = wfGetIP();
 372                         if( !$ip ) {
 373                                 $ip = '';
 374                         }
 375                 }
 376
 377                 $rc = new RecentChange;
 378                 $rc->mAttribs = array(
 379                         'rc_timestamp'      => $timestamp,
 380                         'rc_cur_time'       => $timestamp,
 381                         'rc_namespace'      => $title->getNamespace(),
 382                         'rc_title'          => $title->getDBkey(),
 383                         'rc_type'           => RC_NEW,
 384                         'rc_minor'          => $minor ? 1 : 0,
 385                         'rc_cur_id'         => $title->getArticleID(),
 386                         'rc_user'           => $user->getId(),
 387                         'rc_user_text'      => $user->getName(),
 388                         'rc_comment'        => $comment,
 389                         'rc_this_oldid'     => $newId,
 390                         'rc_last_oldid'     => 0,
 391                         'rc_bot'            => $bot ? 1 : 0,
 392                         'rc_moved_to_ns'    => 0,
 393                         'rc_moved_to_title' => '',
 394                         'rc_ip'             => $ip,
 395                         'rc_patrolled'      => 0,
 396                         'rc_new'                => 1, # obsolete
 397                         'rc_old_len'        => 0,
 398                         'rc_new_len'        => $size,
 399                         'rc_deleted'            => 0,
 400                         'rc_logid'                      => 0,
 401                         'rc_log_type'           => null,
 402                         'rc_log_action'         => '',
 403                         'rc_params'                     => ''
 404                 );
 405
 406                 $rc->mExtra =  array(
 407                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 408                         'lastTimestamp' => 0,
 409                         'oldSize' => 0,
 410                         'newSize' => $size
 411                 );
 412                 $rc->save();
 413                 return $rc;
 414         }
 415
 416         # Makes an entry in the database corresponding to a rename
 417         public static function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 418         {
 419                 global $wgRequest;
 420
 421                 if( !$ip ) {
 422                         $ip = wfGetIP();
 423                         if( !$ip ) {
 424                                 $ip = '';
 425                         }
 426                 }
 427
 428                 $rc = new RecentChange;
 429                 $rc->mAttribs = array(
 430                         'rc_timestamp'  => $timestamp,
 431                         'rc_cur_time'   => $timestamp,
 432                         'rc_namespace'  => $oldTitle->getNamespace(),
 433                         'rc_title'      => $oldTitle->getDBkey(),
 434                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 435                         'rc_minor'      => 0,
 436                         'rc_cur_id'     => $oldTitle->getArticleID(),
 437                         'rc_user'       => $user->getId(),
 438                         'rc_user_text'  => $user->getName(),
 439                         'rc_comment'    => $comment,
 440                         'rc_this_oldid' => 0,
 441                         'rc_last_oldid' => 0,
 442                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 443                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 444                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 445                         'rc_ip'         => $ip,
 446                         'rc_new'        => 0, # obsolete
 447                         'rc_patrolled'  => 1,
 448                         'rc_old_len'    => NULL,
 449                         'rc_new_len'    => NULL,
 450                         'rc_deleted'    => 0,
 451                         'rc_logid'              => 0, # notifyMove not used anymore
 452                         'rc_log_type'   => null,
 453                         'rc_log_action' => '',
 454                         'rc_params'             => ''
 455                 );
 456
 457                 $rc->mExtra = array(
 458                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 459                         'lastTimestamp' => 0,
 460                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 461                 );
 462                 $rc->save();
 463         }
 464
 465         public static function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 466                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 467         }
 468
 469         public static function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 470                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 471         }
 472
 473         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='',
 474            $type, $action, $target, $logComment, $params, $newId=0 )
 475         {
 476                 global $wgRequest;
 477
 478                 if( !$ip ) {
 479                         $ip = wfGetIP();
 480                         if( !$ip ) {
 481                                 $ip = '';
 482                         }
 483                 }
 484
 485                 $rc = new RecentChange;
 486                 $rc->mAttribs = array(
 487                         'rc_timestamp'  => $timestamp,
 488                         'rc_cur_time'   => $timestamp,
 489                         'rc_namespace'  => $target->getNamespace(),
 490                         'rc_title'      => $target->getDBkey(),
 491                         'rc_type'       => RC_LOG,
 492                         'rc_minor'      => 0,
 493                         'rc_cur_id'     => $target->getArticleID(),
 494                         'rc_user'       => $user->getId(),
 495                         'rc_user_text'  => $user->getName(),
 496                         'rc_comment'    => $logComment,
 497                         'rc_this_oldid' => 0,
 498                         'rc_last_oldid' => 0,
 499                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot', true ) : 0,
 500                         'rc_moved_to_ns'        => 0,
 501                         'rc_moved_to_title'     => '',
 502                         'rc_ip' => $ip,
 503                         'rc_patrolled' => 1,
 504                         'rc_new'        => 0, # obsolete
 505                         'rc_old_len'    => NULL,
 506                         'rc_new_len'    => NULL,
 507                         'rc_deleted'    => 0,
 508                         'rc_logid'              => $newId,
 509                         'rc_log_type'   => $type,
 510                         'rc_log_action' => $action,
 511                         'rc_params'             => $params
 512                 );
 513                 $rc->mExtra =  array(
 514                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 515                         'lastTimestamp' => 0,
 516                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 517                 );
 518                 $rc->save();
 519         }
 520
 521         # Initialises the members of this object from a mysql row object
 522         public function loadFromRow( $row ) {
 523                 $this->mAttribs = get_object_vars( $row );
 524                 $this->mAttribs['rc_timestamp'] = wfTimestamp(TS_MW, $this->mAttribs['rc_timestamp']);
 525                 $this->mAttribs['rc_deleted'] = $row->rc_deleted; // MUST be set
 526                 $this->mExtra = array();
 527         }
 528
 529         # Makes a pseudo-RC entry from a cur row
 530         public function loadFromCurRow( $row ) {
 531                 $this->mAttribs = array(
 532                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 533                         'rc_cur_time' => $row->rev_timestamp,
 534                         'rc_user' => $row->rev_user,
 535                         'rc_user_text' => $row->rev_user_text,
 536                         'rc_namespace' => $row->page_namespace,
 537                         'rc_title' => $row->page_title,
 538                         'rc_comment' => $row->rev_comment,
 539                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 540                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 541                         'rc_cur_id' => $row->page_id,
 542                         'rc_this_oldid' => $row->rev_id,
 543                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 544                         'rc_bot'        => 0,
 545                         'rc_moved_to_ns'        => 0,
 546                         'rc_moved_to_title'     => '',
 547                         'rc_ip' => '',
 548                         'rc_id' => $row->rc_id,
 549                         'rc_patrolled' => $row->rc_patrolled,
 550                         'rc_new' => $row->page_is_new, # obsolete
 551                         'rc_old_len' => $row->rc_old_len,
 552                         'rc_new_len' => $row->rc_new_len,
 553                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 554                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 555                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 556                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 557                         'rc_deleted' => $row->rc_deleted // MUST be set
 558                 );
 559                 $this->mExtra = array();
 560         }
 561
 562         /**
 563          * Get an attribute value
 564          *
 565          * @param $name Attribute name
 566          * @return mixed
 567          */
 568         public function getAttribute( $name ) {
 569                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : NULL;
 570         }
 571
 572         /**
 573          * Gets the end part of the diff URL associated with this object
 574          * Blank if no diff link should be displayed
 575          */
 576         public function diffLinkTrail( $forceCur ) {
 577                 if( $this->mAttribs['rc_type'] == RC_EDIT ) {
 578                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 579                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 580                         if( $forceCur ) {
 581                                 $trail .= '&diff=0' ;
 582                         } else {
 583                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 584                         }
 585                 } else {
 586                         $trail = '';
 587                 }
 588                 return $trail;
 589         }
 590
 591         protected function getIRCLine() {
 592                 global $wgUseRCPatrol, $wgUseNPPatrol, $wgRC2UDPInterwikiPrefix, $wgLocalInterwiki;
 593
 594                 // FIXME: Would be good to replace these 2 extract() calls with something more explicit
 595                 // e.g. list ($rc_type, $rc_id) = array_values ($this->mAttribs); [or something like that]
 596                 extract($this->mAttribs);
 597                 extract($this->mExtra);
 598
 599                 if( $rc_type == RC_LOG ) {
 600                         $titleObj = Title::newFromText( "Log/$rc_log_type", NS_SPECIAL );
 601                 } else {
 602                         $titleObj =& $this->getTitle();
 603                 }
 604                 $title = $titleObj->getPrefixedText();
 605                 $title = self::cleanupForIRC( $title );
 606
 607                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 608                 if( $rc_type == RC_LOG ) {
 609                         $url = '';
 610                 } elseif( $rc_new && ($wgUseRCPatrol || $wgUseNPPatrol) ) {
 611                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 612                 } else if( $rc_new ) {
 613                         $url = $titleObj->getInternalURL();
 614                 } else if( $wgUseRCPatrol ) {
 615                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 616                         $url = preg_replace('/title=[^&]*&/', '', $url);
 617                 } else {
 618                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 619                         $url = preg_replace('/title=[^&]*&/', '', $url);
 620                 }
 621
 622                 if( isset( $oldSize ) && isset( $newSize ) ) {
 623                         $szdiff = $newSize - $oldSize;
 624                         if($szdiff < -500) {
 625                                 $szdiff = "\002$szdiff\002";
 626                         } elseif($szdiff >= 0) {
 627                                 $szdiff = '+' . $szdiff ;
 628                         }
 629                         $szdiff = '(' . $szdiff . ')' ;
 630                 } else {
 631                         $szdiff = '';
 632                 }
 633
 634                 $user = self::cleanupForIRC( $rc_user_text );
 635
 636                 if( $rc_type == RC_LOG ) {
 637                         $targetText = $this->getTitle()->getPrefixedText();
 638                         $comment = self::cleanupForIRC( str_replace("[[$targetText]]","[[\00302$targetText\00310]]",$actionComment) );
 639                         $flag = $rc_log_action;
 640                 } else {
 641                         $comment = self::cleanupForIRC( $rc_comment );
 642                         $flag = ($rc_new ? "N" : "") . ($rc_minor ? "M" : "") . ($rc_bot ? "B" : "");
 643                 }
 644
 645                 if ( $wgRC2UDPInterwikiPrefix === true ) {
 646                         $prefix = $wgLocalInterwiki;
 647                 } elseif ( $wgRC2UDPInterwikiPrefix ) {
 648                         $prefix = $wgRC2UDPInterwikiPrefix;
 649                 } else {
 650                         $prefix = false;
 651                 }
 652                 if ( $prefix !== false ) {
 653                         $titleString = "\00314[[\00303$prefix:\00307$title\00314]]";
 654                 } else {
 655                         $titleString = "\00314[[\00307$title\00314]]";
 656                 }
 657
 658                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 659                 # no colour (\003) switches back to the term default
 660                 $fullString = "$titleString\0034 $flag\00310 " .
 661                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 662
 663                 return $fullString;
 664         }
 665
 666         /**
 667          * Returns the change size (HTML).
 668          * The lengths can be given optionally.
 669          */
 670         public function getCharacterDifference( $old = 0, $new = 0 ) {
 671                 global $wgRCChangedSizeThreshold, $wgLang;
 672
 673                 if( $old === 0 ) {
 674                         $old = $this->mAttribs['rc_old_len'];
 675                 }
 676                 if( $new === 0 ) {
 677                         $new = $this->mAttribs['rc_new_len'];
 678                 }
 679
 680                 if( $old === NULL || $new === NULL ) {
 681                         return '';
 682                 }
 683
 684                 $szdiff = $new - $old;
 685                 $formatedSize = wfMsgExt( 'rc-change-size', array( 'parsemag', 'escape'),
 686                         $wgLang->formatNum($szdiff) );
 687
 688
 689                 if( abs( $szdiff ) > abs( $wgRCChangedSizeThreshold ) ) {
 690                         $tag = 'strong';
 691                 }
 692                 else{
 693                     $tag = 'span';
 694                 }
 695
 696                 if( $szdiff === 0 ) {
 697                         return "<$tag class='mw-plusminus-null'>($formatedSize)</$tag>";
 698                 } elseif( $szdiff > 0 ) {
 699                         return "<$tag class='mw-plusminus-pos'>(+$formatedSize)</$tag>";
 700             } else {
 701                         return "<$tag class='mw-plusminus-neg'>($formatedSize)</$tag>";
 702                 }
 703         }
 704 }