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         function setAttribs( $attribs ) {
 112                 $this->mAttribs = $attribs;
 113         }
 114
 115         function setExtra( $extra ) {
 116                 $this->mExtra = $extra;
 117         }
 118
 119         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         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         function save() {
 136                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress,
 137                 $wgRC2UDPPort, $wgRC2UDPPrefix, $wgRC2UDPOmitBots;
 138                 $fname = 'RecentChange::save';
 139
 140                 $dbw = wfGetDB( DB_MASTER );
 141                 if ( !is_array($this->mExtra) ) {
 142                         $this->mExtra = array();
 143                 }
 144                 $this->mExtra['lang'] = $wgLocalInterwiki;
 145
 146                 if ( !$wgPutIPinRC ) {
 147                         $this->mAttribs['rc_ip'] = '';
 148                 }
 149
 150                 ## If our database is strict about IP addresses, use NULL instead of an empty string
 151                 if ( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 152                         unset( $this->mAttribs['rc_ip'] );
 153                 }
 154
 155                 # Fixup database timestamps
 156                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 157                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 158                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 159
 160                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 161                 if ( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 162                         unset ( $this->mAttribs['rc_cur_id'] );
 163                 }
 164
 165                 # Insert new row
 166                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 167
 168                 # Set the ID
 169                 $this->mAttribs['rc_id'] = $dbw->insertId();
 170
 171                 # Update old rows, if necessary
 172                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 173                         $lastTime = $this->mExtra['lastTimestamp'];
 174                 }
 175
 176                 # Notify external application via UDP
 177                 if ( $wgRC2UDPAddress && ( !$this->mAttribs['rc_bot'] || !$wgRC2UDPOmitBots ) ) {
 178                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 179                         if ( $conn ) {
 180                                 $line = $wgRC2UDPPrefix . $this->getIRCLine();
 181                                 socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
 182                                 socket_close( $conn );
 183                         }
 184                 }
 185
 186                 # E-mail notifications
 187                 global $wgUseEnotif, $wgShowUpdatedMarker, $wgUser;
 188                 if( $wgUseEnotif || $wgShowUpdatedMarker ) {
 189                         // Users
 190                         if( $this->mAttribs['rc_user'] ) {
 191                                 $editor = ($wgUser->getId() == $this->mAttribs['rc_user']) ?
 192                                         $wgUser : User::newFromID( $this->mAttribs['rc_user'] );
 193                         // Anons
 194                         } else {
 195                                 $editor = ($wgUser->getName() == $this->mAttribs['rc_user_text']) ?
 196                                         $wgUser : User::newFromName( $this->mAttribs['rc_user_text'], false );
 197                         }
 198                         # FIXME: this would be better as an extension hook
 199                         $enotif = new EmailNotification();
 200                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 201                         $enotif->notifyOnPageChange( $editor, $title,
 202                                 $this->mAttribs['rc_timestamp'],
 203                                 $this->mAttribs['rc_comment'],
 204                                 $this->mAttribs['rc_minor'],
 205                                 $this->mAttribs['rc_last_oldid'] );
 206                 }
 207
 208                 # Notify extensions
 209                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 210         }
 211
 212         /**
 213          * Mark a given change as patrolled
 214          *
 215          * @param mixed $change RecentChange or corresponding rc_id
 216          * @return See doMarkPatrolled(), or null if $change is not an existing rc_id
 217          */
 218         public static function markPatrolled( $change ) {
 219                 $change = $change instanceof RecentChange
 220                         ? $change
 221                         : RecentChange::newFromId($change);
 222                 if(!$change instanceof RecentChange)
 223                         return null;
 224                 return $change->doMarkPatrolled();
 225         }
 226
 227         /**
 228          * Mark this RecentChange as patrolled
 229          *
 230          * NOTE: Can also return 'rcpatroldisabled', 'hookaborted' and 'markedaspatrollederror-noautopatrol' as errors
 231          * @return array of permissions errors, see Title::getUserPermissionsErrors()
 232          */
 233         public function doMarkPatrolled() {
 234                 global $wgUser, $wgUseRCPatrol, $wgUseNPPatrol;
 235                 $errors = array();
 236                 // If recentchanges patrol is disabled, only new pages
 237                 // can be patrolled
 238                 if(!$wgUseRCPatrol && (!$wgUseNPPatrol || $this->getAttribute('rc_type') != RC_NEW))
 239                         $errors[] = array('rcpatroldisabled');
 240                 $errors = array_merge($errors, $this->getTitle()->getUserPermissionsErrors('patrol', $wgUser));
 241                 if(!wfRunHooks('MarkPatrolled', array($this->getAttribute('rc_id'), &$wgUser, false)))
 242                         $errors[] = array('hookaborted');
 243                 // Users without the 'autopatrol' right can't patrol their
 244                 // own revisions
 245                 if($wgUser->getName() == $this->getAttribute('rc_user_text') &&
 246                                 !$wgUser->isAllowed('autopatrol'))
 247                         $errors[] = array('markedaspatrollederror-noautopatrol');
 248                 if(!empty($errors))
 249                         return $errors;
 250
 251                 // If the change was patrolled already, do nothing
 252                 if($this->getAttribute('rc_patrolled'))
 253                         return array();
 254                 $this->reallyMarkPatrolled();
 255                 PatrolLog::record($this);
 256                 wfRunHooks('MarkPatrolledComplete',
 257                         array($this->getAttribute('rc_id'), &$wgUser, false));
 258                 return array();
 259         }
 260
 261         /**
 262          * Mark this RecentChange patrolled, without error checking
 263          * @return int Number of affected rows
 264          */
 265         public function reallyMarkPatrolled() {
 266                 $dbw = wfGetDB( DB_MASTER );
 267                 $dbw->update(
 268                         'recentchanges',
 269                         array(
 270                                 'rc_patrolled' => 1
 271                         ),
 272                         array(
 273                                 'rc_id' => $this->getAttribute('rc_id')
 274                         ),
 275                         __METHOD__
 276                 );
 277                 return $dbw->affectedRows();
 278         }
 279
 280         # Makes an entry in the database corresponding to an edit
 281         public static function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 282                 $oldId, $lastTimestamp, $bot, $ip = '', $oldSize = 0, $newSize = 0,
 283                 $newId = 0)
 284         {
 285                 if ( !$ip ) {
 286                         $ip = wfGetIP();
 287                         if ( !$ip ) {
 288                                 $ip = '';
 289                         }
 290                 }
 291
 292                 $rc = new RecentChange;
 293                 $rc->mAttribs = array(
 294                         'rc_timestamp'  => $timestamp,
 295                         'rc_cur_time'   => $timestamp,
 296                         'rc_namespace'  => $title->getNamespace(),
 297                         'rc_title'      => $title->getDBkey(),
 298                         'rc_type'       => RC_EDIT,
 299                         'rc_minor'      => $minor ? 1 : 0,
 300                         'rc_cur_id'     => $title->getArticleID(),
 301                         'rc_user'       => $user->getId(),
 302                         'rc_user_text'  => $user->getName(),
 303                         'rc_comment'    => $comment,
 304                         'rc_this_oldid' => $newId,
 305                         'rc_last_oldid' => $oldId,
 306                         'rc_bot'        => $bot ? 1 : 0,
 307                         'rc_moved_to_ns'        => 0,
 308                         'rc_moved_to_title'     => '',
 309                         'rc_ip'         => $ip,
 310                         'rc_patrolled'  => 0,
 311                         'rc_new'        => 0,  # obsolete
 312                         'rc_old_len'    => $oldSize,
 313                         'rc_new_len'    => $newSize,
 314                         'rc_deleted'    => 0,
 315                         'rc_logid'              => 0,
 316                         'rc_log_type'   => null,
 317                         'rc_log_action' => '',
 318                         'rc_params'             => ''
 319                 );
 320
 321                 $rc->mExtra =  array(
 322                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 323                         'lastTimestamp' => $lastTimestamp,
 324                         'oldSize'       => $oldSize,
 325                         'newSize'       => $newSize,
 326                 );
 327                 $rc->save();
 328                 return( $rc->mAttribs['rc_id'] );
 329         }
 330
 331         /**
 332          * Makes an entry in the database corresponding to page creation
 333          * Note: the title object must be loaded with the new id using resetArticleID()
 334          * @todo Document parameters and return
 335          */
 336         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot,
 337           $ip='', $size = 0, $newId = 0 )
 338         {
 339                 if ( !$ip ) {
 340                         $ip = wfGetIP();
 341                         if ( !$ip ) {
 342                                 $ip = '';
 343                         }
 344                 }
 345
 346                 $rc = new RecentChange;
 347                 $rc->mAttribs = array(
 348                         'rc_timestamp'      => $timestamp,
 349                         'rc_cur_time'       => $timestamp,
 350                         'rc_namespace'      => $title->getNamespace(),
 351                         'rc_title'          => $title->getDBkey(),
 352                         'rc_type'           => RC_NEW,
 353                         'rc_minor'          => $minor ? 1 : 0,
 354                         'rc_cur_id'         => $title->getArticleID(),
 355                         'rc_user'           => $user->getId(),
 356                         'rc_user_text'      => $user->getName(),
 357                         'rc_comment'        => $comment,
 358                         'rc_this_oldid'     => $newId,
 359                         'rc_last_oldid'     => 0,
 360                         'rc_bot'            => $bot ? 1 : 0,
 361                         'rc_moved_to_ns'    => 0,
 362                         'rc_moved_to_title' => '',
 363                         'rc_ip'             => $ip,
 364                         'rc_patrolled'      => 0,
 365                         'rc_new'                => 1, # obsolete
 366                         'rc_old_len'        => 0,
 367                         'rc_new_len'        => $size,
 368                         'rc_deleted'            => 0,
 369                         'rc_logid'                      => 0,
 370                         'rc_log_type'           => null,
 371                         'rc_log_action'         => '',
 372                         'rc_params'                     => ''
 373                 );
 374
 375                 $rc->mExtra =  array(
 376                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 377                         'lastTimestamp' => 0,
 378                         'oldSize' => 0,
 379                         'newSize' => $size
 380                 );
 381                 $rc->save();
 382                 return( $rc->mAttribs['rc_id'] );
 383         }
 384
 385         # Makes an entry in the database corresponding to a rename
 386         public static function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 387         {
 388                 global $wgRequest;
 389
 390                 if ( !$ip ) {
 391                         $ip = wfGetIP();
 392                         if ( !$ip ) {
 393                                 $ip = '';
 394                         }
 395                 }
 396
 397                 $rc = new RecentChange;
 398                 $rc->mAttribs = array(
 399                         'rc_timestamp'  => $timestamp,
 400                         'rc_cur_time'   => $timestamp,
 401                         'rc_namespace'  => $oldTitle->getNamespace(),
 402                         'rc_title'      => $oldTitle->getDBkey(),
 403                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 404                         'rc_minor'      => 0,
 405                         'rc_cur_id'     => $oldTitle->getArticleID(),
 406                         'rc_user'       => $user->getId(),
 407                         'rc_user_text'  => $user->getName(),
 408                         'rc_comment'    => $comment,
 409                         'rc_this_oldid' => 0,
 410                         'rc_last_oldid' => 0,
 411                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 412                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 413                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 414                         'rc_ip'         => $ip,
 415                         'rc_new'        => 0, # obsolete
 416                         'rc_patrolled'  => 1,
 417                         'rc_old_len'    => NULL,
 418                         'rc_new_len'    => NULL,
 419                         'rc_deleted'    => 0,
 420                         'rc_logid'              => 0, # notifyMove not used anymore
 421                         'rc_log_type'   => null,
 422                         'rc_log_action' => '',
 423                         'rc_params'             => ''
 424                 );
 425
 426                 $rc->mExtra = array(
 427                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 428                         'lastTimestamp' => 0,
 429                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 430                 );
 431                 $rc->save();
 432         }
 433
 434         public static function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 435                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 436         }
 437
 438         public static function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 439                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 440         }
 441
 442         public static function notifyLog( $timestamp, &$title, &$user, $actionComment, $ip='',
 443            $type, $action, $target, $logComment, $params, $newId=0 )
 444         {
 445                 global $wgRequest;
 446
 447                 if ( !$ip ) {
 448                         $ip = wfGetIP();
 449                         if ( !$ip ) {
 450                                 $ip = '';
 451                         }
 452                 }
 453
 454                 $rc = new RecentChange;
 455                 $rc->mAttribs = array(
 456                         'rc_timestamp'  => $timestamp,
 457                         'rc_cur_time'   => $timestamp,
 458                         'rc_namespace'  => $target->getNamespace(),
 459                         'rc_title'      => $target->getDBkey(),
 460                         'rc_type'       => RC_LOG,
 461                         'rc_minor'      => 0,
 462                         'rc_cur_id'     => $target->getArticleID(),
 463                         'rc_user'       => $user->getId(),
 464                         'rc_user_text'  => $user->getName(),
 465                         'rc_comment'    => $logComment,
 466                         'rc_this_oldid' => 0,
 467                         'rc_last_oldid' => 0,
 468                         'rc_bot'        => $user->isAllowed( 'bot' ) ? $wgRequest->getBool( 'bot' , true ) : 0,
 469                         'rc_moved_to_ns'        => 0,
 470                         'rc_moved_to_title'     => '',
 471                         'rc_ip' => $ip,
 472                         'rc_patrolled' => 1,
 473                         'rc_new'        => 0, # obsolete
 474                         'rc_old_len'    => NULL,
 475                         'rc_new_len'    => NULL,
 476                         'rc_deleted'    => 0,
 477                         'rc_logid'              => $newId,
 478                         'rc_log_type'   => $type,
 479                         'rc_log_action' => $action,
 480                         'rc_params'             => $params
 481                 );
 482                 $rc->mExtra =  array(
 483                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 484                         'lastTimestamp' => 0,
 485                         'actionComment' => $actionComment, // the comment appended to the action, passed from LogPage
 486                 );
 487                 $rc->save();
 488         }
 489
 490         # Initialises the members of this object from a mysql row object
 491         function loadFromRow( $row )
 492         {
 493                 $this->mAttribs = get_object_vars( $row );
 494                 $this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
 495                 $this->mExtra = array();
 496         }
 497
 498         # Makes a pseudo-RC entry from a cur row
 499         function loadFromCurRow( $row )
 500         {
 501                 $this->mAttribs = array(
 502                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 503                         'rc_cur_time' => $row->rev_timestamp,
 504                         'rc_user' => $row->rev_user,
 505                         'rc_user_text' => $row->rev_user_text,
 506                         'rc_namespace' => $row->page_namespace,
 507                         'rc_title' => $row->page_title,
 508                         'rc_comment' => $row->rev_comment,
 509                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 510                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 511                         'rc_cur_id' => $row->page_id,
 512                         'rc_this_oldid' => $row->rev_id,
 513                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 514                         'rc_bot'        => 0,
 515                         'rc_moved_to_ns'        => 0,
 516                         'rc_moved_to_title'     => '',
 517                         'rc_ip' => '',
 518                         'rc_id' => $row->rc_id,
 519                         'rc_patrolled' => $row->rc_patrolled,
 520                         'rc_new' => $row->page_is_new, # obsolete
 521                         'rc_old_len' => $row->rc_old_len,
 522                         'rc_new_len' => $row->rc_new_len,
 523                         'rc_params' => isset($row->rc_params) ? $row->rc_params : '',
 524                         'rc_log_type' => isset($row->rc_log_type) ? $row->rc_log_type : null,
 525                         'rc_log_action' => isset($row->rc_log_action) ? $row->rc_log_action : null,
 526                         'rc_log_id' => isset($row->rc_log_id) ? $row->rc_log_id: 0,
 527                         // this one REALLY should be set...
 528                         'rc_deleted' => isset($row->rc_deleted) ? $row->rc_deleted: 0,
 529                 );
 530
 531                 $this->mExtra = array();
 532         }
 533
 534         /**
 535          * Get an attribute value
 536          *
 537          * @param $name Attribute name
 538          * @return mixed
 539          */
 540         public function getAttribute( $name ) {
 541                 return isset( $this->mAttribs[$name] ) ? $this->mAttribs[$name] : NULL;
 542         }
 543
 544         /*
 545         * Get RC select fields for changes lists
 546         */
 547         public static function getSelectFields() {
 548                 return array(
 549                         'rc_timestamp',
 550                         'rc_cur_time',
 551                         'rc_user',
 552                         'rc_user_text',
 553                         'rc_namespace',
 554                         'rc_title',
 555                         'rc_comment',
 556                         'rc_minor',
 557                         'rc_type',
 558                         'rc_cur_id',
 559                         'rc_this_oldid',
 560                         'rc_last_oldid',
 561                         'rc_bot',
 562                         'rc_moved_to_ns',
 563                         'rc_moved_to_title',
 564                         'rc_patrolled',
 565                         'rc_old_len',
 566                         'rc_new_len',
 567                         'rc_params',
 568                         'rc_log_type',
 569                         'rc_log_action',
 570                         'rc_log_id',
 571                         'rc_deleted' // this one REALLY should be set...
 572                 );
 573         }
 574
 575         /**
 576          * Gets the end part of the diff URL associated with this object
 577          * Blank if no diff link should be displayed
 578          */
 579         function diffLinkTrail( $forceCur ) {
 580                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 581                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 582                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 583                         if ( $forceCur ) {
 584                                 $trail .= '&diff=0' ;
 585                         } else {
 586                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 587                         }
 588                 } else {
 589                         $trail = '';
 590                 }
 591                 return $trail;
 592         }
 593
 594         function cleanupForIRC( $text ) {
 595                 return str_replace(array("\n", "\r"), array("", ""), $text);
 596         }
 597
 598         function getIRCLine() {
 599                 global $wgUseRCPatrol;
 600
 601                 // FIXME: Would be good to replace these 2 extract() calls with something more explicit
 602                 // e.g. list ($rc_type, $rc_id) = array_values ($this->mAttribs); [or something like that]
 603                 extract($this->mAttribs);
 604                 extract($this->mExtra);
 605
 606                 if ( $rc_type == RC_LOG ) {
 607                         $titleObj = Title::newFromText( "Log/$rc_log_type", NS_SPECIAL );
 608                 } else {
 609                         $titleObj =& $this->getTitle();
 610                 }
 611                 $title = $titleObj->getPrefixedText();
 612                 $title = $this->cleanupForIRC( $title );
 613
 614                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 615                 if ( $rc_type == RC_LOG ) {
 616                         $url = '';
 617                 } elseif ( $rc_new && $wgUseRCPatrol ) {
 618                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 619                 } else if ( $rc_new ) {
 620                         $url = $titleObj->getInternalURL();
 621                 } else if ( $wgUseRCPatrol ) {
 622                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 623                 } else {
 624                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 625                 }
 626
 627                 if ( isset( $oldSize ) && isset( $newSize ) ) {
 628                         $szdiff = $newSize - $oldSize;
 629                         if ($szdiff < -500) {
 630                                 $szdiff = "\002$szdiff\002";
 631                         } elseif ($szdiff >= 0) {
 632                                 $szdiff = '+' . $szdiff ;
 633                         }
 634                         $szdiff = '(' . $szdiff . ')' ;
 635                 } else {
 636                         $szdiff = '';
 637                 }
 638
 639                 $user = $this->cleanupForIRC( $rc_user_text );
 640
 641                 if ( $rc_type == RC_LOG ) {
 642                         $logTargetText = $this->getTitle()->getPrefixedText();
 643                         $comment = $this->cleanupForIRC( str_replace($logTargetText,"\00302$logTargetText\00310",$actionComment) );
 644                         $flag = $rc_log_action;
 645                 } else {
 646                         $comment = $this->cleanupForIRC( $rc_comment );
 647                         $flag = ($rc_new ? "N" : "") . ($rc_minor ? "M" : "") . ($rc_bot ? "B" : "");
 648                 }
 649                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 650                 # no colour (\003) switches back to the term default
 651                 $fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
 652                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 653                 return $fullString;
 654         }
 655
 656         /**
 657          * Returns the change size (HTML).
 658          * The lengths can be given optionally.
 659          */
 660         function getCharacterDifference( $old = 0, $new = 0 ) {
 661                 global $wgRCChangedSizeThreshold, $wgLang;
 662
 663                 if( $old === 0 ) {
 664                         $old = $this->mAttribs['rc_old_len'];
 665                 }
 666                 if( $new === 0 ) {
 667                         $new = $this->mAttribs['rc_new_len'];
 668                 }
 669
 670                 if( $old === NULL || $new === NULL ) {
 671                         return '';
 672                 }
 673
 674                 $szdiff = $new - $old;
 675                 $formatedSize = wfMsgExt( 'rc-change-size', array( 'parsemag', 'escape'),
 676                         $wgLang->formatNum($szdiff) );
 677
 678                 if( $szdiff < $wgRCChangedSizeThreshold ) {
 679                         return '<strong class=\'mw-plusminus-neg\'>(' . $formatedSize . ')</strong>';
 680                 } elseif( $szdiff === 0 ) {
 681                         return '<span class=\'mw-plusminus-null\'>(' . $formatedSize . ')</span>';
 682                 } elseif( $szdiff > 0 ) {
 683                         return '<span class=\'mw-plusminus-pos\'>(+' . $formatedSize . ')</span>';
 684                 } else {
 685                         return '<span class=\'mw-plusminus-neg\'>(' . $formatedSize . ')</span>';
 686                 }
 687         }
 688 }