includes/RecentChange.php

   1 <?php
   2 /**
   3  *
   4  * @package MediaWiki
   5  */
   6
   7 /**
   8  * Utility class for creating new RC entries
   9  * mAttribs:
  10  *      rc_id           id of the row in the recentchanges table
  11  *      rc_timestamp    time the entry was made
  12  *      rc_cur_time     timestamp on the cur row
  13  *      rc_namespace    namespace #
  14  *      rc_title        non-prefixed db key
  15  *      rc_type         is new entry, used to determine whether updating is necessary
  16  *      rc_minor        is minor
  17  *      rc_cur_id       page_id of associated page entry
  18  *      rc_user         user id who made the entry
  19  *      rc_user_text    user name who made the entry
  20  *      rc_comment      edit summary
  21  *      rc_this_oldid   rev_id associated with this entry (or zero)
  22  *      rc_last_oldid   rev_id associated with the entry before this one (or zero)
  23  *      rc_bot          is bot, hidden
  24  *      rc_ip           IP address of the user in dotted quad notation
  25  *      rc_new          obsolete, use rc_type==RC_NEW
  26  *      rc_patrolled    boolean whether or not someone has marked this edit as patrolled
  27  *
  28  * mExtra:
  29  *      prefixedDBkey   prefixed db key, used by external app via msg queue
  30  *      lastTimestamp   timestamp of previous entry, used in WHERE clause during update
  31  *      lang            the interwiki prefix, automatically set in save()
  32  *  oldSize         text size before the change
  33  *  newSize         text size after the change
  34  *
  35  * temporary:           not stored in the database
  36  *      notificationtimestamp
  37  *      numberofWatchingusers
  38  *
  39  * @todo document functions and variables
  40  * @package MediaWiki
  41  */
  42 class RecentChange
  43 {
  44         var $mAttribs = array(), $mExtra = array();
  45         var $mTitle = false, $mMovedToTitle = false;
  46         var $numberofWatchingusers = 0 ; # Dummy to prevent error message in SpecialRecentchangeslinked
  47
  48         # Factory methods
  49
  50         /* static */ function newFromRow( $row )
  51         {
  52                 $rc = new RecentChange;
  53                 $rc->loadFromRow( $row );
  54                 return $rc;
  55         }
  56
  57         /* static */ function newFromCurRow( $row, $rc_this_oldid = 0 )
  58         {
  59                 $rc = new RecentChange;
  60                 $rc->loadFromCurRow( $row, $rc_this_oldid );
  61                 $rc->notificationtimestamp = false;
  62                 $rc->numberofWatchingusers = false;
  63                 return $rc;
  64         }
  65
  66         # Accessors
  67
  68         function setAttribs( $attribs )
  69         {
  70                 $this->mAttribs = $attribs;
  71         }
  72
  73         function setExtra( $extra )
  74         {
  75                 $this->mExtra = $extra;
  76         }
  77
  78         function &getTitle()
  79         {
  80                 if ( $this->mTitle === false ) {
  81                         $this->mTitle = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
  82                 }
  83                 return $this->mTitle;
  84         }
  85
  86         function getMovedToTitle()
  87         {
  88                 if ( $this->mMovedToTitle === false ) {
  89                         $this->mMovedToTitle = Title::makeTitle( $this->mAttribs['rc_moved_to_ns'],
  90                                 $this->mAttribs['rc_moved_to_title'] );
  91                 }
  92                 return $this->mMovedToTitle;
  93         }
  94
  95         # Writes the data in this object to the database
  96         function save()
  97         {
  98                 global $wgLocalInterwiki, $wgPutIPinRC, $wgRC2UDPAddress, $wgRC2UDPPort, $wgRC2UDPPrefix, $wgUseRCPatrol;
  99                 $fname = 'RecentChange::save';
 100
 101                 $dbw =& wfGetDB( DB_MASTER );
 102                 if ( !is_array($this->mExtra) ) {
 103                         $this->mExtra = array();
 104                 }
 105                 $this->mExtra['lang'] = $wgLocalInterwiki;
 106
 107                 if ( !$wgPutIPinRC ) {
 108                         $this->mAttribs['rc_ip'] = '';
 109                 }
 110
 111                 # Fixup database timestamps
 112                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 113                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 114                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 115
 116                 # Insert new row
 117                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 118
 119                 # Set the ID
 120                 $this->mAttribs['rc_id'] = $dbw->insertId();
 121
 122                 # Update old rows, if necessary
 123                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 124                         $lastTime = $this->mExtra['lastTimestamp'];
 125                         #$now = $this->mAttribs['rc_timestamp'];
 126                         #$curId = $this->mAttribs['rc_cur_id'];
 127
 128                         # Don't bother looking for entries that have probably
 129                         # been purged, it just locks up the indexes needlessly.
 130                         global $wgRCMaxAge;
 131                         $age = time() - wfTimestamp( TS_UNIX, $lastTime );
 132                         if( $age < $wgRCMaxAge ) {
 133                                 # live hack, will commit once tested - kate
 134                                 # Update rc_this_oldid for the entries which were current
 135                                 #
 136                                 #$oldid = $this->mAttribs['rc_last_oldid'];
 137                                 #$ns = $this->mAttribs['rc_namespace'];
 138                                 #$title = $this->mAttribs['rc_title'];
 139                                 #
 140                                 #$dbw->update( 'recentchanges',
 141                                 #       array( /* SET */
 142                                 #               'rc_this_oldid' => $oldid
 143                                 #       ), array( /* WHERE */
 144                                 #               'rc_namespace' => $ns,
 145                                 #               'rc_title' => $title,
 146                                 #               'rc_timestamp' => $dbw->timestamp( $lastTime )
 147                                 #       ), $fname
 148                                 #);
 149                         }
 150
 151                         # Update rc_cur_time
 152                         #$dbw->update( 'recentchanges', array( 'rc_cur_time' => $now ),
 153                         #       array( 'rc_cur_id' => $curId ), $fname );
 154                 }
 155
 156                 # Notify external application via UDP
 157                 if ( $wgRC2UDPAddress ) {
 158                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 159                         if ( $conn ) {
 160                                 $line = $wgRC2UDPPrefix . $this->getIRCLine();
 161                                 socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
 162                                 socket_close( $conn );
 163                         }
 164                 }
 165
 166                 // E-mail notifications
 167                 global $wgUseEnotif;
 168                 if( $wgUseEnotif ) {
 169                         # this would be better as an extension hook
 170                         include_once( "UserMailer.php" );
 171                         $enotif = new EmailNotification();
 172                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 173                         $enotif->notifyOnPageChange( $title,
 174                                 $this->mAttribs['rc_timestamp'],
 175                                 $this->mAttribs['rc_comment'],
 176                                 $this->mAttribs['rc_minor'],
 177                                 $this->mAttribs['rc_last_oldid'] );
 178                 }
 179
 180         }
 181
 182         # Marks a certain row as patrolled
 183         function markPatrolled( $rcid )
 184         {
 185                 $fname = 'RecentChange::markPatrolled';
 186
 187                 $dbw =& wfGetDB( DB_MASTER );
 188
 189                 $dbw->update( 'recentchanges',
 190                         array( /* SET */
 191                                 'rc_patrolled' => 1
 192                         ), array( /* WHERE */
 193                                 'rc_id' => $rcid
 194                         ), $fname
 195                 );
 196         }
 197
 198         # Makes an entry in the database corresponding to an edit
 199         /*static*/ function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 200                 $oldId, $lastTimestamp, $bot = "default", $ip = '', $oldSize = 0, $newSize = 0,
 201                 $newId = 0)
 202         {
 203                 if ( $bot == 'default ' ) {
 204                         $bot = $user->isBot();
 205                 }
 206
 207                 if ( !$ip ) {
 208                         $ip = wfGetIP();
 209                         if ( !$ip ) {
 210                                 $ip = '';
 211                         }
 212                 }
 213
 214                 $rc = new RecentChange;
 215                 $rc->mAttribs = array(
 216                         'rc_timestamp'  => $timestamp,
 217                         'rc_cur_time'   => $timestamp,
 218                         'rc_namespace'  => $title->getNamespace(),
 219                         'rc_title'      => $title->getDBkey(),
 220                         'rc_type'       => RC_EDIT,
 221                         'rc_minor'      => $minor ? 1 : 0,
 222                         'rc_cur_id'     => $title->getArticleID(),
 223                         'rc_user'       => $user->getID(),
 224                         'rc_user_text'  => $user->getName(),
 225                         'rc_comment'    => $comment,
 226                         'rc_this_oldid' => $newId,
 227                         'rc_last_oldid' => $oldId,
 228                         'rc_bot'        => $bot ? 1 : 0,
 229                         'rc_moved_to_ns'        => 0,
 230                         'rc_moved_to_title'     => '',
 231                         'rc_ip' => $ip,
 232                         'rc_patrolled' => 0,
 233                         'rc_new'        => 0 # obsolete
 234                 );
 235
 236                 $rc->mExtra =  array(
 237                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 238                         'lastTimestamp' => $lastTimestamp,
 239                         'oldSize'       => $oldSize,
 240                         'newSize'       => $newSize,
 241                 );
 242                 $rc->save();
 243                 return( $rc->mAttribs['rc_id'] );
 244         }
 245
 246         # Makes an entry in the database corresponding to page creation
 247         # Note: the title object must be loaded with the new id using resetArticleID()
 248         /*static*/ function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot = "default",
 249           $ip='', $size = 0, $newId = 0 )
 250         {
 251                 if ( !$ip ) {
 252                         $ip = wfGetIP();
 253                         if ( !$ip ) {
 254                                 $ip = '';
 255                         }
 256                 }
 257                 if ( $bot == 'default' ) {
 258                         $bot = $user->isBot();
 259                 }
 260
 261                 $rc = new RecentChange;
 262                 $rc->mAttribs = array(
 263                         'rc_timestamp'      => $timestamp,
 264                         'rc_cur_time'       => $timestamp,
 265                         'rc_namespace'      => $title->getNamespace(),
 266                         'rc_title'          => $title->getDBkey(),
 267                         'rc_type'           => RC_NEW,
 268                         'rc_minor'          => $minor ? 1 : 0,
 269                         'rc_cur_id'         => $title->getArticleID(),
 270                         'rc_user'           => $user->getID(),
 271                         'rc_user_text'      => $user->getName(),
 272                         'rc_comment'        => $comment,
 273                         'rc_this_oldid'     => $newId,
 274                         'rc_last_oldid'     => 0,
 275                         'rc_bot'            => $bot ? 1 : 0,
 276                         'rc_moved_to_ns'    => 0,
 277                         'rc_moved_to_title' => '',
 278                         'rc_ip'             => $ip,
 279                         'rc_patrolled'      => 0,
 280                         'rc_new'        => 1 # obsolete
 281                 );
 282
 283                 $rc->mExtra =  array(
 284                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 285                         'lastTimestamp' => 0,
 286                         'oldSize' => 0,
 287                         'newSize' => $size
 288                 );
 289                 $rc->save();
 290         }
 291
 292         # Makes an entry in the database corresponding to a rename
 293         /*static*/ function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 294         {
 295                 if ( !$ip ) {
 296                         $ip = wfGetIP();
 297                         if ( !$ip ) {
 298                                 $ip = '';
 299                         }
 300                 }
 301
 302                 $rc = new RecentChange;
 303                 $rc->mAttribs = array(
 304                         'rc_timestamp'  => $timestamp,
 305                         'rc_cur_time'   => $timestamp,
 306                         'rc_namespace'  => $oldTitle->getNamespace(),
 307                         'rc_title'      => $oldTitle->getDBkey(),
 308                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 309                         'rc_minor'      => 0,
 310                         'rc_cur_id'     => $oldTitle->getArticleID(),
 311                         'rc_user'       => $user->getID(),
 312                         'rc_user_text'  => $user->getName(),
 313                         'rc_comment'    => $comment,
 314                         'rc_this_oldid' => 0,
 315                         'rc_last_oldid' => 0,
 316                         'rc_bot'        => $user->isBot() ? 1 : 0,
 317                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 318                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 319                         'rc_ip'         => $ip,
 320                         'rc_new'        => 0, # obsolete
 321                         'rc_patrolled' => 1
 322                 );
 323
 324                 $rc->mExtra = array(
 325                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 326                         'lastTimestamp' => 0,
 327                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 328                 );
 329                 $rc->save();
 330         }
 331
 332         /* static */ function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 333                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 334         }
 335
 336         /* static */ function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 337                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 338         }
 339
 340         # A log entry is different to an edit in that previous revisions are
 341         # not kept
 342         /*static*/ function notifyLog( $timestamp, &$title, &$user, $comment, $ip='',
 343            $type, $action, $target, $logComment, $params )
 344         {
 345                 if ( !$ip ) {
 346                         $ip = wfGetIP();
 347                         if ( !$ip ) {
 348                                 $ip = '';
 349                         }
 350                 }
 351
 352                 $rc = new RecentChange;
 353                 $rc->mAttribs = array(
 354                         'rc_timestamp'  => $timestamp,
 355                         'rc_cur_time'   => $timestamp,
 356                         'rc_namespace'  => $title->getNamespace(),
 357                         'rc_title'      => $title->getDBkey(),
 358                         'rc_type'       => RC_LOG,
 359                         'rc_minor'      => 0,
 360                         'rc_cur_id'     => $title->getArticleID(),
 361                         'rc_user'       => $user->getID(),
 362                         'rc_user_text'  => $user->getName(),
 363                         'rc_comment'    => $comment,
 364                         'rc_this_oldid' => 0,
 365                         'rc_last_oldid' => 0,
 366                         'rc_bot'        => $user->isBot() ? 1 : 0,
 367                         'rc_moved_to_ns'        => 0,
 368                         'rc_moved_to_title'     => '',
 369                         'rc_ip' => $ip,
 370                         'rc_patrolled' => 1,
 371                         'rc_new'        => 0 # obsolete
 372                 );
 373                 $rc->mExtra =  array(
 374                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 375                         'lastTimestamp' => 0,
 376                         'logType' => $type,
 377                         'logAction' => $action,
 378                         'logComment' => $logComment,
 379                         'logTarget' => $target,
 380                         'logParams' => $params
 381                 );
 382                 $rc->save();
 383         }
 384
 385         # Initialises the members of this object from a mysql row object
 386         function loadFromRow( $row )
 387         {
 388                 $this->mAttribs = get_object_vars( $row );
 389                 $this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
 390                 $this->mExtra = array();
 391         }
 392
 393         # Makes a pseudo-RC entry from a cur row, for watchlists and things
 394         function loadFromCurRow( $row )
 395         {
 396                 $this->mAttribs = array(
 397                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 398                         'rc_cur_time' => $row->rev_timestamp,
 399                         'rc_user' => $row->rev_user,
 400                         'rc_user_text' => $row->rev_user_text,
 401                         'rc_namespace' => $row->page_namespace,
 402                         'rc_title' => $row->page_title,
 403                         'rc_comment' => $row->rev_comment,
 404                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 405                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 406                         'rc_cur_id' => $row->page_id,
 407                         'rc_this_oldid' => $row->rev_id,
 408                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 409                         'rc_bot'        => 0,
 410                         'rc_moved_to_ns'        => 0,
 411                         'rc_moved_to_title'     => '',
 412                         'rc_ip' => '',
 413                         'rc_patrolled' => '1',  # we can't support patrolling on the Watchlist
 414                                                 # currently because it uses cur, not recentchanges
 415                         'rc_new' => $row->page_is_new # obsolete
 416                 );
 417
 418                 $this->mExtra = array();
 419         }
 420
 421
 422         /**
 423          * Gets the end part of the diff URL associated with this object
 424          * Blank if no diff link should be displayed
 425          */
 426         function diffLinkTrail( $forceCur )
 427         {
 428                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 429                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 430                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 431                         if ( $forceCur ) {
 432                                 $trail .= '&diff=0' ;
 433                         } else {
 434                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 435                         }
 436                 } else {
 437                         $trail = '';
 438                 }
 439                 return $trail;
 440         }
 441
 442         function cleanupForIRC( $text ) {
 443                 return str_replace(array("\n", "\r"), array("", ""), $text);
 444         }
 445
 446         function getIRCLine() {
 447                 global $wgUseRCPatrol;
 448
 449                 extract($this->mAttribs);
 450                 extract($this->mExtra);
 451
 452                 $titleObj =& $this->getTitle();
 453                 if ( $rc_type == RC_LOG ) {
 454                         $title = Namespace::getCanonicalName( $titleObj->getNamespace() ) . $titleObj->getText();
 455                 } else {
 456                         $title = $titleObj->getPrefixedText();
 457                 }
 458                 $title = $this->cleanupForIRC( $title );
 459
 460                 $bad = array("\n", "\r");
 461                 $empty = array("", "");
 462                 $title = $titleObj->getPrefixedText();
 463                 $title = str_replace($bad, $empty, $title);
 464
 465                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 466                 if ( $rc_type == RC_LOG ) {
 467                         $url = '';
 468                 } elseif ( $rc_new && $wgUseRCPatrol ) {
 469                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 470                 } else if ( $rc_new ) {
 471                         $url = $titleObj->getInternalURL();
 472                 } else if ( $wgUseRCPatrol ) {
 473                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 474                 } else {
 475                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 476                 }
 477
 478                 if ( isset( $oldSize ) && isset( $newSize ) ) {
 479                         $szdiff = $newSize - $oldSize;
 480                         if ($szdiff < -500) {
 481                                 $szdiff = "\002$szdiff\002";
 482                         } elseif ($szdiff >= 0) {
 483                                 $szdiff = '+' . $szdiff ;
 484                         }
 485                         $szdiff = '(' . $szdiff . ')' ;
 486                 } else {
 487                         $szdiff = '';
 488                 }
 489
 490                 $user = $this->cleanupForIRC( $rc_user_text );
 491
 492                 if ( $rc_type == RC_LOG ) {
 493                         $logTargetText = $logTarget->getPrefixedText();
 494                         $comment = $this->cleanupForIRC( str_replace( $logTargetText, "\00302$logTargetText\00310", $rc_comment ) );
 495                         $flag = $logAction;
 496                 } else {
 497                         $comment = $this->cleanupForIRC( $rc_comment );
 498                         $flag = ($rc_minor ? "M" : "") . ($rc_new ? "N" : "");
 499                 }
 500                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 501                 # no colour (\003) switches back to the term default
 502                 $fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
 503                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 504                 return $fullString;
 505         }
 506
 507 }
 508 ?>