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                 ## If our database is strict about IP addresses, use NULL instead of an empty string
 112                 if ( $dbw->strictIPs() and $this->mAttribs['rc_ip'] == '' ) {
 113                         unset( $this->mAttribs['rc_ip'] );
 114                 }
 115
 116                 # Fixup database timestamps
 117                 $this->mAttribs['rc_timestamp'] = $dbw->timestamp($this->mAttribs['rc_timestamp']);
 118                 $this->mAttribs['rc_cur_time'] = $dbw->timestamp($this->mAttribs['rc_cur_time']);
 119                 $this->mAttribs['rc_id'] = $dbw->nextSequenceValue( 'rc_rc_id_seq' );
 120
 121                 ## If we are using foreign keys, an entry of 0 for the page_id will fail, so use NULL
 122                 if ( $dbw->cascadingDeletes() and $this->mAttribs['rc_cur_id']==0 ) {
 123                         unset ( $this->mAttribs['rc_cur_id'] );
 124                 }
 125
 126                 # Insert new row
 127                 $dbw->insert( 'recentchanges', $this->mAttribs, $fname );
 128
 129                 # Set the ID
 130                 $this->mAttribs['rc_id'] = $dbw->insertId();
 131
 132                 # Update old rows, if necessary
 133                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 134                         $lastTime = $this->mExtra['lastTimestamp'];
 135                         #$now = $this->mAttribs['rc_timestamp'];
 136                         #$curId = $this->mAttribs['rc_cur_id'];
 137
 138                         # Don't bother looking for entries that have probably
 139                         # been purged, it just locks up the indexes needlessly.
 140                         global $wgRCMaxAge;
 141                         $age = time() - wfTimestamp( TS_UNIX, $lastTime );
 142                         if( $age < $wgRCMaxAge ) {
 143                                 # live hack, will commit once tested - kate
 144                                 # Update rc_this_oldid for the entries which were current
 145                                 #
 146                                 #$oldid = $this->mAttribs['rc_last_oldid'];
 147                                 #$ns = $this->mAttribs['rc_namespace'];
 148                                 #$title = $this->mAttribs['rc_title'];
 149                                 #
 150                                 #$dbw->update( 'recentchanges',
 151                                 #       array( /* SET */
 152                                 #               'rc_this_oldid' => $oldid
 153                                 #       ), array( /* WHERE */
 154                                 #               'rc_namespace' => $ns,
 155                                 #               'rc_title' => $title,
 156                                 #               'rc_timestamp' => $dbw->timestamp( $lastTime )
 157                                 #       ), $fname
 158                                 #);
 159                         }
 160
 161                         # Update rc_cur_time
 162                         #$dbw->update( 'recentchanges', array( 'rc_cur_time' => $now ),
 163                         #       array( 'rc_cur_id' => $curId ), $fname );
 164                 }
 165
 166                 # Notify external application via UDP
 167                 if ( $wgRC2UDPAddress ) {
 168                         $conn = socket_create( AF_INET, SOCK_DGRAM, SOL_UDP );
 169                         if ( $conn ) {
 170                                 $line = $wgRC2UDPPrefix . $this->getIRCLine();
 171                                 socket_sendto( $conn, $line, strlen($line), 0, $wgRC2UDPAddress, $wgRC2UDPPort );
 172                                 socket_close( $conn );
 173                         }
 174                 }
 175
 176                 # E-mail notifications
 177                 global $wgUseEnotif;
 178                 if( $wgUseEnotif ) {
 179                         # this would be better as an extension hook
 180                         include_once( "UserMailer.php" );
 181                         $enotif = new EmailNotification();
 182                         $title = Title::makeTitle( $this->mAttribs['rc_namespace'], $this->mAttribs['rc_title'] );
 183                         $enotif->notifyOnPageChange( $title,
 184                                 $this->mAttribs['rc_timestamp'],
 185                                 $this->mAttribs['rc_comment'],
 186                                 $this->mAttribs['rc_minor'],
 187                                 $this->mAttribs['rc_last_oldid'] );
 188                 }
 189
 190                 # Notify extensions
 191                 wfRunHooks( 'RecentChange_save', array( &$this ) );
 192         }
 193
 194         # Marks a certain row as patrolled
 195         function markPatrolled( $rcid )
 196         {
 197                 $fname = 'RecentChange::markPatrolled';
 198
 199                 $dbw =& wfGetDB( DB_MASTER );
 200
 201                 $dbw->update( 'recentchanges',
 202                         array( /* SET */
 203                                 'rc_patrolled' => 1
 204                         ), array( /* WHERE */
 205                                 'rc_id' => $rcid
 206                         ), $fname
 207                 );
 208         }
 209
 210         # Makes an entry in the database corresponding to an edit
 211         /*static*/ function notifyEdit( $timestamp, &$title, $minor, &$user, $comment,
 212                 $oldId, $lastTimestamp, $bot = "default", $ip = '', $oldSize = 0, $newSize = 0,
 213                 $newId = 0)
 214         {
 215                 if ( $bot === 'default' ) {
 216                         $bot = $user->isAllowed( 'bot' );
 217                 }
 218
 219                 if ( !$ip ) {
 220                         $ip = wfGetIP();
 221                         if ( !$ip ) {
 222                                 $ip = '';
 223                         }
 224                 }
 225
 226                 $rc = new RecentChange;
 227                 $rc->mAttribs = array(
 228                         'rc_timestamp'  => $timestamp,
 229                         'rc_cur_time'   => $timestamp,
 230                         'rc_namespace'  => $title->getNamespace(),
 231                         'rc_title'      => $title->getDBkey(),
 232                         'rc_type'       => RC_EDIT,
 233                         'rc_minor'      => $minor ? 1 : 0,
 234                         'rc_cur_id'     => $title->getArticleID(),
 235                         'rc_user'       => $user->getID(),
 236                         'rc_user_text'  => $user->getName(),
 237                         'rc_comment'    => $comment,
 238                         'rc_this_oldid' => $newId,
 239                         'rc_last_oldid' => $oldId,
 240                         'rc_bot'        => $bot ? 1 : 0,
 241                         'rc_moved_to_ns'        => 0,
 242                         'rc_moved_to_title'     => '',
 243                         'rc_ip' => $ip,
 244                         'rc_patrolled' => 0,
 245                         'rc_new'        => 0 # obsolete
 246                 );
 247
 248                 $rc->mExtra =  array(
 249                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 250                         'lastTimestamp' => $lastTimestamp,
 251                         'oldSize'       => $oldSize,
 252                         'newSize'       => $newSize,
 253                 );
 254                 $rc->save();
 255                 return( $rc->mAttribs['rc_id'] );
 256         }
 257
 258         /**
 259          * Makes an entry in the database corresponding to page creation
 260          * Note: the title object must be loaded with the new id using resetArticleID()
 261          * @todo Document parameters and return
 262          * @public
 263          * @static
 264          */
 265         public static function notifyNew( $timestamp, &$title, $minor, &$user, $comment, $bot = "default",
 266           $ip='', $size = 0, $newId = 0 )
 267         {
 268                 if ( !$ip ) {
 269                         $ip = wfGetIP();
 270                         if ( !$ip ) {
 271                                 $ip = '';
 272                         }
 273                 }
 274                 if ( $bot == 'default' ) {
 275                         $bot = $user->isAllowed( 'bot' );
 276                 }
 277
 278                 $rc = new RecentChange;
 279                 $rc->mAttribs = array(
 280                         'rc_timestamp'      => $timestamp,
 281                         'rc_cur_time'       => $timestamp,
 282                         'rc_namespace'      => $title->getNamespace(),
 283                         'rc_title'          => $title->getDBkey(),
 284                         'rc_type'           => RC_NEW,
 285                         'rc_minor'          => $minor ? 1 : 0,
 286                         'rc_cur_id'         => $title->getArticleID(),
 287                         'rc_user'           => $user->getID(),
 288                         'rc_user_text'      => $user->getName(),
 289                         'rc_comment'        => $comment,
 290                         'rc_this_oldid'     => $newId,
 291                         'rc_last_oldid'     => 0,
 292                         'rc_bot'            => $bot ? 1 : 0,
 293                         'rc_moved_to_ns'    => 0,
 294                         'rc_moved_to_title' => '',
 295                         'rc_ip'             => $ip,
 296                         'rc_patrolled'      => 0,
 297                         'rc_new'        => 1 # obsolete
 298                 );
 299
 300                 $rc->mExtra =  array(
 301                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 302                         'lastTimestamp' => 0,
 303                         'oldSize' => 0,
 304                         'newSize' => $size
 305                 );
 306                 $rc->save();
 307                 return( $rc->mAttribs['rc_id'] );
 308         }
 309
 310         # Makes an entry in the database corresponding to a rename
 311         /*static*/ function notifyMove( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='', $overRedir = false )
 312         {
 313                 if ( !$ip ) {
 314                         $ip = wfGetIP();
 315                         if ( !$ip ) {
 316                                 $ip = '';
 317                         }
 318                 }
 319
 320                 $rc = new RecentChange;
 321                 $rc->mAttribs = array(
 322                         'rc_timestamp'  => $timestamp,
 323                         'rc_cur_time'   => $timestamp,
 324                         'rc_namespace'  => $oldTitle->getNamespace(),
 325                         'rc_title'      => $oldTitle->getDBkey(),
 326                         'rc_type'       => $overRedir ? RC_MOVE_OVER_REDIRECT : RC_MOVE,
 327                         'rc_minor'      => 0,
 328                         'rc_cur_id'     => $oldTitle->getArticleID(),
 329                         'rc_user'       => $user->getID(),
 330                         'rc_user_text'  => $user->getName(),
 331                         'rc_comment'    => $comment,
 332                         'rc_this_oldid' => 0,
 333                         'rc_last_oldid' => 0,
 334                         'rc_bot'        => $user->isAllowed( 'bot' ) ? 1 : 0,
 335                         'rc_moved_to_ns'        => $newTitle->getNamespace(),
 336                         'rc_moved_to_title'     => $newTitle->getDBkey(),
 337                         'rc_ip'         => $ip,
 338                         'rc_new'        => 0, # obsolete
 339                         'rc_patrolled' => 1
 340                 );
 341
 342                 $rc->mExtra = array(
 343                         'prefixedDBkey' => $oldTitle->getPrefixedDBkey(),
 344                         'lastTimestamp' => 0,
 345                         'prefixedMoveTo'        => $newTitle->getPrefixedDBkey()
 346                 );
 347                 $rc->save();
 348         }
 349
 350         /* static */ function notifyMoveToNew( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 351                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, false );
 352         }
 353
 354         /* static */ function notifyMoveOverRedirect( $timestamp, &$oldTitle, &$newTitle, &$user, $comment, $ip='' ) {
 355                 RecentChange::notifyMove( $timestamp, $oldTitle, $newTitle, $user, $comment, $ip, true );
 356         }
 357
 358         # A log entry is different to an edit in that previous revisions are
 359         # not kept
 360         /*static*/ function notifyLog( $timestamp, &$title, &$user, $comment, $ip='',
 361            $type, $action, $target, $logComment, $params )
 362         {
 363                 if ( !$ip ) {
 364                         $ip = wfGetIP();
 365                         if ( !$ip ) {
 366                                 $ip = '';
 367                         }
 368                 }
 369
 370                 $rc = new RecentChange;
 371                 $rc->mAttribs = array(
 372                         'rc_timestamp'  => $timestamp,
 373                         'rc_cur_time'   => $timestamp,
 374                         'rc_namespace'  => $title->getNamespace(),
 375                         'rc_title'      => $title->getDBkey(),
 376                         'rc_type'       => RC_LOG,
 377                         'rc_minor'      => 0,
 378                         'rc_cur_id'     => $title->getArticleID(),
 379                         'rc_user'       => $user->getID(),
 380                         'rc_user_text'  => $user->getName(),
 381                         'rc_comment'    => $comment,
 382                         'rc_this_oldid' => 0,
 383                         'rc_last_oldid' => 0,
 384                         'rc_bot'        => $user->isAllowed( 'bot' ) ? 1 : 0,
 385                         'rc_moved_to_ns'        => 0,
 386                         'rc_moved_to_title'     => '',
 387                         'rc_ip' => $ip,
 388                         'rc_patrolled' => 1,
 389                         'rc_new'        => 0 # obsolete
 390                 );
 391                 $rc->mExtra =  array(
 392                         'prefixedDBkey' => $title->getPrefixedDBkey(),
 393                         'lastTimestamp' => 0,
 394                         'logType' => $type,
 395                         'logAction' => $action,
 396                         'logComment' => $logComment,
 397                         'logTarget' => $target,
 398                         'logParams' => $params
 399                 );
 400                 $rc->save();
 401         }
 402
 403         # Initialises the members of this object from a mysql row object
 404         function loadFromRow( $row )
 405         {
 406                 $this->mAttribs = get_object_vars( $row );
 407                 $this->mAttribs["rc_timestamp"] = wfTimestamp(TS_MW, $this->mAttribs["rc_timestamp"]);
 408                 $this->mExtra = array();
 409         }
 410
 411         # Makes a pseudo-RC entry from a cur row, for watchlists and things
 412         function loadFromCurRow( $row )
 413         {
 414                 $this->mAttribs = array(
 415                         'rc_timestamp' => wfTimestamp(TS_MW, $row->rev_timestamp),
 416                         'rc_cur_time' => $row->rev_timestamp,
 417                         'rc_user' => $row->rev_user,
 418                         'rc_user_text' => $row->rev_user_text,
 419                         'rc_namespace' => $row->page_namespace,
 420                         'rc_title' => $row->page_title,
 421                         'rc_comment' => $row->rev_comment,
 422                         'rc_minor' => $row->rev_minor_edit ? 1 : 0,
 423                         'rc_type' => $row->page_is_new ? RC_NEW : RC_EDIT,
 424                         'rc_cur_id' => $row->page_id,
 425                         'rc_this_oldid' => $row->rev_id,
 426                         'rc_last_oldid' => isset($row->rc_last_oldid) ? $row->rc_last_oldid : 0,
 427                         'rc_bot'        => 0,
 428                         'rc_moved_to_ns'        => 0,
 429                         'rc_moved_to_title'     => '',
 430                         'rc_ip' => '',
 431                         'rc_id' => $row->rc_id,
 432                         'rc_patrolled' => $row->rc_patrolled,
 433                         'rc_new' => $row->page_is_new # obsolete
 434                 );
 435
 436                 $this->mExtra = array();
 437         }
 438
 439
 440         /**
 441          * Gets the end part of the diff URL associated with this object
 442          * Blank if no diff link should be displayed
 443          */
 444         function diffLinkTrail( $forceCur )
 445         {
 446                 if ( $this->mAttribs['rc_type'] == RC_EDIT ) {
 447                         $trail = "curid=" . (int)($this->mAttribs['rc_cur_id']) .
 448                                 "&oldid=" . (int)($this->mAttribs['rc_last_oldid']);
 449                         if ( $forceCur ) {
 450                                 $trail .= '&diff=0' ;
 451                         } else {
 452                                 $trail .= '&diff=' . (int)($this->mAttribs['rc_this_oldid']);
 453                         }
 454                 } else {
 455                         $trail = '';
 456                 }
 457                 return $trail;
 458         }
 459
 460         function cleanupForIRC( $text ) {
 461                 return str_replace(array("\n", "\r"), array("", ""), $text);
 462         }
 463
 464         function getIRCLine() {
 465                 global $wgUseRCPatrol;
 466
 467                 extract($this->mAttribs);
 468                 extract($this->mExtra);
 469
 470                 $titleObj =& $this->getTitle();
 471                 if ( $rc_type == RC_LOG ) {
 472                         $title = Namespace::getCanonicalName( $titleObj->getNamespace() ) . $titleObj->getText();
 473                 } else {
 474                         $title = $titleObj->getPrefixedText();
 475                 }
 476                 $title = $this->cleanupForIRC( $title );
 477
 478                 $bad = array("\n", "\r");
 479                 $empty = array("", "");
 480                 $title = $titleObj->getPrefixedText();
 481                 $title = str_replace($bad, $empty, $title);
 482
 483                 // FIXME: *HACK* these should be getFullURL(), hacked for SSL madness --brion 2005-12-26
 484                 if ( $rc_type == RC_LOG ) {
 485                         $url = '';
 486                 } elseif ( $rc_new && $wgUseRCPatrol ) {
 487                         $url = $titleObj->getInternalURL("rcid=$rc_id");
 488                 } else if ( $rc_new ) {
 489                         $url = $titleObj->getInternalURL();
 490                 } else if ( $wgUseRCPatrol ) {
 491                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid&rcid=$rc_id");
 492                 } else {
 493                         $url = $titleObj->getInternalURL("diff=$rc_this_oldid&oldid=$rc_last_oldid");
 494                 }
 495
 496                 if ( isset( $oldSize ) && isset( $newSize ) ) {
 497                         $szdiff = $newSize - $oldSize;
 498                         if ($szdiff < -500) {
 499                                 $szdiff = "\002$szdiff\002";
 500                         } elseif ($szdiff >= 0) {
 501                                 $szdiff = '+' . $szdiff ;
 502                         }
 503                         $szdiff = '(' . $szdiff . ')' ;
 504                 } else {
 505                         $szdiff = '';
 506                 }
 507
 508                 $user = $this->cleanupForIRC( $rc_user_text );
 509
 510                 if ( $rc_type == RC_LOG ) {
 511                         $logTargetText = $logTarget->getPrefixedText();
 512                         $comment = $this->cleanupForIRC( str_replace( $logTargetText, "\00302$logTargetText\00310", $rc_comment ) );
 513                         $flag = $logAction;
 514                 } else {
 515                         $comment = $this->cleanupForIRC( $rc_comment );
 516                         $flag = ($rc_minor ? "M" : "") . ($rc_new ? "N" : "");
 517                 }
 518                 # see http://www.irssi.org/documentation/formats for some colour codes. prefix is \003,
 519                 # no colour (\003) switches back to the term default
 520                 $fullString = "\00314[[\00307$title\00314]]\0034 $flag\00310 " .
 521                               "\00302$url\003 \0035*\003 \00303$user\003 \0035*\003 $szdiff \00310$comment\003\n";
 522                 return $fullString;
 523         }
 524
 525 }
 526 ?>