includes/specials/SpecialContributions.php

   1 <?php
   2 /**
   3  * Special:Contributions, show user contributions in a paged list
   4  * @file
   5  * @ingroup SpecialPage
   6  */
   7
   8 class SpecialContributions extends SpecialPage {
   9
  10         public function __construct() {
  11                 parent::__construct( 'Contributions' );
  12         }
  13
  14         public function execute( $par ) {
  15                 global $wgUser, $wgOut, $wgLang, $wgRequest;
  16
  17                 $this->setHeaders();
  18                 $this->outputHeader();
  19
  20                 $this->opts = array();
  21
  22                 if( $par == 'newbies' ) {
  23                         $target = 'newbies';
  24                         $this->opts['contribs'] = 'newbie';
  25                 } elseif( isset( $par ) ) {
  26                         $target = $par;
  27                 } else {
  28                         $target = $wgRequest->getVal( 'target' );
  29                 }
  30
  31                 // check for radiobox
  32                 if( $wgRequest->getVal( 'contribs' ) == 'newbie' ) {
  33                         $target = 'newbies';
  34                         $this->opts['contribs'] = 'newbie';
  35                 }
  36
  37                 if( !strlen( $target ) ) {
  38                         $wgOut->addHTML( $this->getForm() );
  39                         return;
  40                 }
  41
  42                 $this->opts['limit'] = $wgRequest->getInt( 'limit', $wgUser->getOption('rclimit') );
  43                 $this->opts['target'] = $target;
  44
  45                 $nt = Title::makeTitleSafe( NS_USER, $target );
  46                 if( !$nt ) {
  47                         $wgOut->addHTML( $this->getForm() );
  48                         return;
  49                 }
  50                 $id = User::idFromName( $nt->getText() );
  51
  52                 if( $target != 'newbies' ) {
  53                         $target = $nt->getText();
  54                         $wgOut->setSubtitle( $this->contributionsSub( $nt, $id ) );
  55                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsgExt( 'contributions-title', array( 'parsemag' ),$target ) ) );
  56                 } else {
  57                         $wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
  58                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsg( 'sp-contributions-newbies-title' ) ) );
  59                 }
  60
  61                 if( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
  62                         $this->opts['namespace'] = intval( $ns );
  63                 } else {
  64                         $this->opts['namespace'] = '';
  65                 }
  66
  67                 $this->opts['tagfilter'] = (string) $wgRequest->getVal( 'tagfilter' );
  68
  69                 // Allows reverts to have the bot flag in recent changes. It is just here to
  70                 // be passed in the form at the top of the page
  71                 if( $wgUser->isAllowed( 'markbotedits' ) && $wgRequest->getBool( 'bot' ) ) {
  72                         $this->opts['bot'] = '1';
  73                 }
  74
  75                 $skip = $wgRequest->getText( 'offset' ) || $wgRequest->getText( 'dir' ) == 'prev';
  76                 # Offset overrides year/month selection
  77                 if( $skip ) {
  78                         $this->opts['year'] = '';
  79                         $this->opts['month'] = '';
  80                 } else {
  81                         $this->opts['year'] = $wgRequest->getIntOrNull( 'year' );
  82                         $this->opts['month'] = $wgRequest->getIntOrNull( 'month' );
  83                 }
  84
  85                 // Add RSS/atom links
  86                 $this->setSyndicated();
  87                 $feedType = $wgRequest->getVal( 'feed' );
  88                 if( $feedType ) {
  89                         return $this->feed( $feedType );
  90                 }
  91
  92                 wfRunHooks( 'SpecialContributionsBeforeMainOutput', $id );
  93
  94                 $wgOut->addHTML( $this->getForm() );
  95
  96                 $pager = new ContribsPager( $target, $this->opts['namespace'], $this->opts['year'], $this->opts['month'] );
  97                 if( !$pager->getNumRows() ) {
  98                         $wgOut->addWikiMsg( 'nocontribs', $target );
  99                 } else {
 100                         # Show a message about slave lag, if applicable
 101                         if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 102                                 $wgOut->showLagWarning( $lag );
 103
 104                         $wgOut->addHTML(
 105                                 '<p>' . $pager->getNavigationBar() . '</p>' .
 106                                 $pager->getBody() .
 107                                 '<p>' . $pager->getNavigationBar() . '</p>'
 108                         );
 109                 }
 110
 111
 112                 # Show the appropriate "footer" message - WHOIS tools, etc.
 113                 if( $target != 'newbies' ) {
 114                         $message = 'sp-contributions-footer';
 115                         if ( IP::isIPAddress( $target ) ) {
 116                                 $message = 'sp-contributions-footer-anon';
 117                         } else {
 118                                 $user = User::newFromName( $target );
 119                                 if ( !$user || $user->isAnon() ) {
 120                                         // No message for non-existing users
 121                                         return;
 122                                 }
 123                         }
 124
 125                         $text = wfMsgNoTrans( $message, $target );
 126                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 127                                 $wgOut->wrapWikiMsg(
 128                                         "<div class='mw-contributions-footer'>\n$1\n</div>",
 129                                         array( $message, $target ) );
 130                         }
 131                 }
 132         }
 133
 134         protected function setSyndicated() {
 135                 global $wgOut;
 136                 $queryParams = array(
 137                         'namespace' => $this->opts['namespace'],
 138                         'target'  => $this->opts['target']
 139                 );
 140                 $wgOut->setSyndicated( true );
 141                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $queryParams ) );
 142         }
 143
 144         /**
 145         * Generates the subheading with links
 146         * @param Title $nt Title object for the target
 147         * @param integer $id User ID for the target
 148         * @return String: appropriately-escaped HTML to be output literally
 149         */
 150         protected function contributionsSub( $nt, $id ) {
 151                 global $wgSysopUserBans, $wgLang, $wgUser, $wgOut;
 152
 153                 $sk = $wgUser->getSkin();
 154
 155                 if( 0 == $id ) {
 156                         $user = htmlspecialchars( $nt->getText() );
 157                 } else {
 158                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 159                 }
 160                 $talk = $nt->getTalkPage();
 161                 if( $talk ) {
 162                         # Talk page link
 163                         $tools[] = $sk->link( $talk, wfMsgHtml( 'sp-contributions-talk' ) );
 164                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && IP::isIPAddress( $nt->getText() ) ) ) {
 165                                 if( $wgUser->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 166                                         if ( User::newFromId( $id )->isBlocked() ) {
 167                                                 $tools[] = $sk->linkKnown( # Change block link
 168                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 169                                                         wfMsgHtml( 'change-blocklink' )
 170                                                 );
 171                                                 $tools[] = $sk->linkKnown( # Unblock link
 172                                                         SpecialPage::getTitleFor( 'BlockList' ),
 173                                                         wfMsgHtml( 'unblocklink' ),
 174                                                         array(),
 175                                                         array(
 176                                                                 'action' => 'unblock',
 177                                                                 'ip' => $nt->getDBkey()
 178                                                         )
 179                                                 );
 180                                         }
 181                                         else { # User is not blocked
 182                                                 $tools[] = $sk->linkKnown( # Block link
 183                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 184                                                         wfMsgHtml( 'blocklink' )
 185                                                 );
 186                                         }
 187                                 }
 188                                 # Block log link
 189                                 $tools[] = $sk->linkKnown(
 190                                         SpecialPage::getTitleFor( 'Log' ),
 191                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 192                                         array(),
 193                                         array(
 194                                                 'type' => 'block',
 195                                                 'page' => $nt->getPrefixedText()
 196                                         )
 197                                 );
 198                         }
 199                         # Other logs link
 200                         $tools[] = $sk->linkKnown(
 201                                 SpecialPage::getTitleFor( 'Log' ),
 202                                 wfMsgHtml( 'sp-contributions-logs' ),
 203                                 array(),
 204                                 array( 'user' => $nt->getText() )
 205                         );
 206
 207                         # Add link to deleted user contributions for priviledged users
 208                         if( $wgUser->isAllowed( 'deletedhistory' ) ) {
 209                                 $tools[] = $sk->linkKnown(
 210                                         SpecialPage::getTitleFor( 'DeletedContributions', $nt->getDBkey() ),
 211                                         wfMsgHtml( 'sp-contributions-deleted' )
 212                                 );
 213                         }
 214
 215                         # Add a link to change user rights for privileged users
 216                         $userrightsPage = new UserrightsPage();
 217                         if( 0 !== $id && $userrightsPage->userCanChangeRights( User::newFromId( $id ) ) ) {
 218                                 $tools[] = $sk->linkKnown(
 219                                         SpecialPage::getTitleFor( 'Userrights', $nt->getDBkey() ),
 220                                         wfMsgHtml( 'sp-contributions-userrights' )
 221                                 );
 222                         }
 223
 224                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 225
 226                         $links = $wgLang->pipeList( $tools );
 227
 228                         // Show a note if the user is blocked and display the last block log entry.
 229                         if ( User::newFromID( $id )->isBlocked() ) {
 230                                 LogEventsList::showLogExtract(
 231                                         $wgOut,
 232                                         'block',
 233                                         $nt->getPrefixedText(),
 234                                         '',
 235                                         array(
 236                                                 'lim' => 1,
 237                                                 'showIfEmpty' => false,
 238                                                 'msgKey' => array( 'sp-contributions-blocked-notice' ),
 239                                                 'offset' => '' # don't use $wgRequest parameter offset
 240                                         )
 241                                 );
 242                         }
 243                 }
 244
 245                 // Old message 'contribsub' had one parameter, but that doesn't work for
 246                 // languages that want to put the "for" bit right after $user but before
 247                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 248                 // otherwise use 'contribsub2'.
 249                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 250                         return wfMsgHtml( 'contribsub2', $user, $links );
 251                 } else {
 252                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 253                 }
 254         }
 255
 256         /**
 257          * Generates the namespace selector form with hidden attributes.
 258          * @param $this->opts Array: the options to be included.
 259          */
 260         protected function getForm() {
 261                 global $wgScript;
 262
 263                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 264                 if( !isset( $this->opts['target'] ) ) {
 265                         $this->opts['target'] = '';
 266                 } else {
 267                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 268                 }
 269
 270                 if( !isset( $this->opts['namespace'] ) ) {
 271                         $this->opts['namespace'] = '';
 272                 }
 273
 274                 if( !isset( $this->opts['contribs'] ) ) {
 275                         $this->opts['contribs'] = 'user';
 276                 }
 277
 278                 if( !isset( $this->opts['year'] ) ) {
 279                         $this->opts['year'] = '';
 280                 }
 281
 282                 if( !isset( $this->opts['month'] ) ) {
 283                         $this->opts['month'] = '';
 284                 }
 285
 286                 if( $this->opts['contribs'] == 'newbie' ) {
 287                         $this->opts['target'] = '';
 288                 }
 289
 290                 if( !isset( $this->opts['tagfilter'] ) ) {
 291                         $this->opts['tagfilter'] = '';
 292                 }
 293
 294                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 295                 # Add hidden params for tracking
 296                 foreach ( $this->opts as $name => $value ) {
 297                         if( in_array( $name, array( 'namespace', 'target', 'contribs', 'year', 'month' ) ) ) {
 298                                 continue;
 299                         }
 300                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 301                 }
 302
 303                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 304
 305                 $f .= '<fieldset>' .
 306                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 307                         Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parsemag' ) ),
 308                                 'contribs', 'newbie' , 'newbie', $this->opts['contribs'] == 'newbie' ? true : false ) . '<br />' .
 309                         Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parsemag' ) ),
 310                                 'contribs' , 'user', 'user', $this->opts['contribs'] == 'user' ? true : false ) . ' ' .
 311                         Html::input( 'target', $this->opts['target'], 'text', array(
 312                                 'size' => '20',
 313                                 'required' => ''
 314                         ) + ( $this->opts['target'] ? array() : array( 'autofocus' ) ) ) . ' '.
 315                         '<span style="white-space: nowrap">' .
 316                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 317                         Xml::namespaceSelector( $this->opts['namespace'], '' ) .
 318                         '</span>' .
 319                         ( $tagFilter ? Xml::tags( 'p', null, implode( '&nbsp;', $tagFilter ) ) : '' ) .
 320                         Xml::openElement( 'p' ) .
 321                         '<span style="white-space: nowrap">' .
 322                         Xml::dateMenu( $this->opts['year'], $this->opts['month'] ) .
 323                         '</span>' . ' ' .
 324                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 325                         Xml::closeElement( 'p' );
 326
 327                 $explain = wfMsgExt( 'sp-contributions-explain', 'parseinline' );
 328                 if( !wfEmptyMsg( 'sp-contributions-explain', $explain ) )
 329                         $f .= "<p>{$explain}</p>";
 330
 331                 $f .= '</fieldset>' .
 332                         Xml::closeElement( 'form' );
 333                 return $f;
 334         }
 335
 336         /**
 337          * Output a subscription feed listing recent edits to this page.
 338          * @param string $type
 339          */
 340         protected function feed( $type ) {
 341                 global $wgRequest, $wgFeed, $wgFeedClasses, $wgFeedLimit;
 342
 343                 if( !$wgFeed ) {
 344                         global $wgOut;
 345                         $wgOut->addWikiMsg( 'feed-unavailable' );
 346                         return;
 347                 }
 348
 349                 if( !isset( $wgFeedClasses[$type] ) ) {
 350                         global $wgOut;
 351                         $wgOut->addWikiMsg( 'feed-invalid' );
 352                         return;
 353                 }
 354
 355                 $feed = new $wgFeedClasses[$type](
 356                         $this->feedTitle(),
 357                         wfMsgExt( 'tagline', 'parsemag' ),
 358                         $this->getTitle()->getFullUrl() . "/" . urlencode($this->opts['target'])
 359                 );
 360
 361                 // Already valid title
 362                 $nt = Title::makeTitleSafe( NS_USER, $this->opts['target'] );
 363                 $target = $this->opts['target'] == 'newbies' ? 'newbies' : $nt->getText();
 364
 365                 $pager = new ContribsPager( $target, $this->opts['namespace'],
 366                         $this->opts['year'], $this->opts['month'], $this->opts['tagfilter'] );
 367
 368                 $pager->mLimit = min( $this->opts['limit'], $wgFeedLimit );
 369
 370                 $feed->outHeader();
 371                 if( $pager->getNumRows() > 0 ) {
 372                         while( $row = $pager->mResult->fetchObject() ) {
 373                                 $feed->outItem( $this->feedItem( $row ) );
 374                         }
 375                 }
 376                 $feed->outFooter();
 377         }
 378
 379         protected function feedTitle() {
 380                 global $wgContLanguageCode, $wgSitename;
 381                 $page = SpecialPage::getPage( 'Contributions' );
 382                 $desc = $page->getDescription();
 383                 return "$wgSitename - $desc [$wgContLanguageCode]";
 384         }
 385
 386         protected function feedItem( $row ) {
 387                 $title = Title::MakeTitle( intval( $row->page_namespace ), $row->page_title );
 388                 if( $title ) {
 389                         $date = $row->rev_timestamp;
 390                         $comments = $title->getTalkPage()->getFullURL();
 391                         $revision = Revision::newFromTitle( $title, $row->rev_id );
 392
 393                         return new FeedItem(
 394                                 $title->getPrefixedText(),
 395                                 $this->feedItemDesc( $revision ),
 396                                 $title->getFullURL(),
 397                                 $date,
 398                                 $this->feedItemAuthor( $revision ),
 399                                 $comments
 400                         );
 401                 } else {
 402                         return NULL;
 403                 }
 404         }
 405
 406         protected function feedItemAuthor( $revision ) {
 407                 return $revision->getUserText();
 408         }
 409
 410         protected function feedItemDesc( $revision ) {
 411                 if( $revision ) {
 412                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 413                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 414                                 "</p>\n<hr />\n<div>" .
 415                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 416                 }
 417                 return '';
 418         }
 419 }
 420
 421 /**
 422  * Pager for Special:Contributions
 423  * @ingroup SpecialPage Pager
 424  */
 425 class ContribsPager extends ReverseChronologicalPager {
 426         public $mDefaultDirection = true;
 427         var $messages, $target;
 428         var $namespace = '', $mDb;
 429
 430         function __construct( $target, $namespace = false, $year = false, $month = false, $tagFilter = false ) {
 431                 parent::__construct();
 432
 433                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 434
 435                 foreach( $msgs as $msg ) {
 436                         $this->messages[$msg] = wfMsgExt( $msg, 'escapenoentities' );
 437                 }
 438
 439                 $this->target = $target;
 440                 $this->namespace = $namespace;
 441                 $this->tagFilter = $tagFilter;
 442
 443                 $this->getDateCond( $year, $month );
 444
 445                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 446         }
 447
 448         function getDefaultQuery() {
 449                 $query = parent::getDefaultQuery();
 450                 $query['target'] = $this->target;
 451                 return $query;
 452         }
 453
 454         function getQueryInfo() {
 455                 global $wgUser;
 456                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 457
 458                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 459                 // Paranoia: avoid brute force searches (bug 17342)
 460                 if( !$wgUser->isAllowed( 'deleterevision' ) ) {
 461                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::DELETED_USER) . ' = 0';
 462                 } else if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
 463                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::SUPPRESSED_USER) .
 464                                 ' != ' . Revision::SUPPRESSED_USER;
 465                 }
 466                 $join_cond['page'] = array( 'INNER JOIN', 'page_id=rev_page' );
 467
 468                 $queryInfo = array(
 469                         'tables' => $tables,
 470                         'fields' => array(
 471                                 'page_namespace', 'page_title', 'page_is_new', 'page_latest', 'page_is_redirect',
 472                                 'page_len','rev_id', 'rev_page', 'rev_text_id', 'rev_timestamp', 'rev_comment',
 473                                 'rev_minor_edit', 'rev_user', 'rev_user_text', 'rev_parent_id', 'rev_deleted'
 474                         ),
 475                         'conds' => $conds,
 476                         'options' => array( 'USE INDEX' => array('revision' => $index) ),
 477                         'join_conds' => $join_cond
 478                 );
 479
 480                 ChangeTags::modifyDisplayQuery(
 481                         $queryInfo['tables'],
 482                         $queryInfo['fields'],
 483                         $queryInfo['conds'],
 484                         $queryInfo['join_conds'],
 485                         $queryInfo['options'],
 486                         $this->tagFilter
 487                 );
 488
 489                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 490                 return $queryInfo;
 491         }
 492
 493         function getUserCond() {
 494                 $condition = array();
 495                 $join_conds = array();
 496                 if( $this->target == 'newbies' ) {
 497                         $tables = array( 'user_groups', 'page', 'revision' );
 498                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 499                         $condition[] = 'rev_user >' . (int)($max - $max / 100);
 500                         $condition[] = 'ug_group IS NULL';
 501                         $index = 'user_timestamp';
 502                         # FIXME: other groups may have 'bot' rights
 503                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 504                 } else {
 505                         $tables = array( 'page', 'revision' );
 506                         $condition['rev_user_text'] = $this->target;
 507                         $index = 'usertext_timestamp';
 508                 }
 509                 return array( $tables, $index, $condition, $join_conds );
 510         }
 511
 512         function getNamespaceCond() {
 513                 if( $this->namespace !== '' ) {
 514                         return array( 'page_namespace' => (int)$this->namespace );
 515                 } else {
 516                         return array();
 517                 }
 518         }
 519
 520         function getIndexField() {
 521                 return 'rev_timestamp';
 522         }
 523
 524         function getStartBody() {
 525                 return "<ul>\n";
 526         }
 527
 528         function getEndBody() {
 529                 return "</ul>\n";
 530         }
 531
 532         /**
 533          * Generates each row in the contributions list.
 534          *
 535          * Contributions which are marked "top" are currently on top of the history.
 536          * For these contributions, a [rollback] link is shown for users with roll-
 537          * back privileges. The rollback link restores the most recent version that
 538          * was not written by the target user.
 539          *
 540          * @todo This would probably look a lot nicer in a table.
 541          */
 542         function formatRow( $row ) {
 543                 global $wgUser, $wgLang, $wgContLang;
 544                 wfProfileIn( __METHOD__ );
 545
 546                 $sk = $this->getSkin();
 547                 $rev = new Revision( $row );
 548                 $classes = array();
 549
 550                 $page = Title::newFromRow( $row );
 551                 $page->resetArticleId( $row->rev_page ); // use process cache
 552                 $link = $sk->link(
 553                         $page,
 554                         htmlspecialchars( $page->getPrefixedText() ),
 555                         array(),
 556                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 557                 );
 558                 # Mark current revisions
 559                 $difftext = $topmarktext = '';
 560                 if( $row->rev_id == $row->page_latest ) {
 561                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 562                         if( !$row->page_is_new ) {
 563                                 $difflink = $sk->linkKnown(
 564                                         $page,
 565                                         $this->messages['diff'],
 566                                         array(),
 567                                         array( 'diff' => 0 )
 568                                 );
 569                                 $difftext .= wfMsg( 'parentheses', $difflink );
 570                                 # Add rollback link
 571                                 if( $page->quickUserCan( 'rollback') && $page->quickUserCan( 'edit' ) ) {
 572                                         $topmarktext .= ' '.$sk->generateRollback( $rev );
 573                                 }
 574                         } else {
 575                                 $difftext .= $this->messages['newarticle'];
 576                         }
 577                 }
 578                 # Is there a visible previous revision?
 579                 if( !$rev->isDeleted(Revision::DELETED_TEXT) ) {
 580                         $difftext = $this->messages['pipe-separator'] . $sk->linkKnown(
 581                                 $page,
 582                                 $this->messages['diff'],
 583                                 array(),
 584                                 array(
 585                                         'diff' => 'prev',
 586                                         'oldid' => $row->rev_id
 587                                 )
 588                         ) . ')';
 589                 } else {
 590                         $difftext = $this->messages['pipe-separator'] . $this->messages['diff'] . ')';
 591                 }
 592                 $histlink = '('.$sk->linkKnown(
 593                         $page,
 594                         $this->messages['hist'],
 595                         array(),
 596                         array( 'action' => 'history' )
 597                 );
 598
 599                 $comment = $wgContLang->getDirMark() . $sk->revComment( $rev, false, true );
 600                 $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 601                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 602                         $d = '<span class="history-deleted">' . $date . '</span>';
 603                 } else {
 604                         $d = $sk->linkKnown(
 605                                 $page,
 606                                 htmlspecialchars($date),
 607                                 array(),
 608                                 array( 'oldid' => intval( $row->rev_id ) )
 609                         );
 610                 }
 611
 612                 if( $this->target == 'newbies' ) {
 613                         $userlink = ' . . ' . $sk->userLink( $row->rev_user, $row->rev_user_text );
 614                         $userlink .= ' ' . wfMsgExt( 'parentheses', 'escapenoentities', $sk->userTalkLink( $row->rev_user, $row->rev_user_text ) ) . ' ';
 615                 } else {
 616                         $userlink = '';
 617                 }
 618
 619                 if( $rev->getParentId() === 0 ) {
 620                         $nflag = ChangesList::flag( 'newpage' );
 621                 } else {
 622                         $nflag = '';
 623                 }
 624
 625                 if( $rev->isMinor() ) {
 626                         $mflag = ChangesList::flag( 'minor' );
 627                 } else {
 628                         $mflag = '';
 629                 }
 630
 631                 if( $wgUser->isAllowed( 'deleterevision' ) ) {
 632                         // If revision was hidden from sysops
 633                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 634                                 $del = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ),
 635                                         wfMsg( 'parentheses', $this->messages['rev-delundel'] ) ) . ' ';
 636                         // Otherwise, show the link...
 637                         } else {
 638                                 $query = array(
 639                                         'type' => 'revision',
 640                                         'target' => $page->getPrefixedDbkey(),
 641                                         'ids' => $rev->getId() );
 642                                 $del = $this->mSkin->revDeleteLink( $query,
 643                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ) ) . ' ';
 644                         }
 645                 } else {
 646                         $del = '';
 647                 }
 648
 649                 $ret = "{$del}{$d} {$histlink} {$difftext} {$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 650
 651                 # Denote if username is redacted for this edit
 652                 if( $rev->getVisibility() & Revision::DELETED_USER ) {
 653                         $ret .= " <strong>" . wfMsgHtml('rev-deleted-user') . "</strong>";
 654                 }
 655
 656                 # Tags, if any.
 657                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 658                 $classes = array_merge( $classes, $newClasses );
 659                 $ret .= " $tagSummary";
 660
 661                 // Let extensions add data
 662                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 663
 664                 $classes = implode( ' ', $classes );
 665                 $ret = "<li class=\"$classes\">$ret</li>\n";
 666                 wfProfileOut( __METHOD__ );
 667                 return $ret;
 668         }
 669
 670         /**
 671          * Get the Database object in use
 672          *
 673          * @return Database
 674          */
 675         public function getDatabase() {
 676                 return $this->mDb;
 677         }
 678
 679 }