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 = IP::isIPAddress( $target ) ?
 115                                 'sp-contributions-footer-anon' : 'sp-contributions-footer';
 116
 117                         $text = wfMsgNoTrans( $message, $target );
 118                         if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 119                                 $wgOut->wrapWikiMsg(
 120                                         "<div class='mw-contributions-footer'>\n$1\n</div>", $message );
 121                         }
 122                 }
 123         }
 124
 125         protected function setSyndicated() {
 126                 global $wgOut;
 127                 $queryParams = array(
 128                         'namespace' => $this->opts['namespace'],
 129                         'target'  => $this->opts['target']
 130                 );
 131                 $wgOut->setSyndicated( true );
 132                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $queryParams ) );
 133         }
 134
 135         /**
 136         * Generates the subheading with links
 137         * @param Title $nt Title object for the target
 138         * @param integer $id User ID for the target
 139         * @return String: appropriately-escaped HTML to be output literally
 140         */
 141         protected function contributionsSub( $nt, $id ) {
 142                 global $wgSysopUserBans, $wgLang, $wgUser;
 143
 144                 $sk = $wgUser->getSkin();
 145
 146                 if( 0 == $id ) {
 147                         $user = htmlspecialchars( $nt->getText() );
 148                 } else {
 149                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 150                 }
 151                 $talk = $nt->getTalkPage();
 152                 if( $talk ) {
 153                         # Talk page link
 154                         $tools[] = $sk->link( $talk, wfMsgHtml( 'sp-contributions-talk' ) );
 155                         if( ( $id != 0 && $wgSysopUserBans ) || ( $id == 0 && IP::isIPAddress( $nt->getText() ) ) ) {
 156                                 # Block link
 157                                 if( $wgUser->isAllowed( 'block' ) )
 158                                         $tools[] = $sk->linkKnown(
 159                                                 SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 160                                                 wfMsgHtml( 'blocklink' )
 161                                         );
 162                                 # Block log link
 163                                 $tools[] = $sk->linkKnown(
 164                                         SpecialPage::getTitleFor( 'Log' ),
 165                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 166                                         array(),
 167                                         array(
 168                                                 'type' => 'block',
 169                                                 'page' => $nt->getPrefixedText()
 170                                         )
 171                                 );
 172                         }
 173                         # Other logs link
 174                         $tools[] = $sk->linkKnown(
 175                                 SpecialPage::getTitleFor( 'Log' ),
 176                                 wfMsgHtml( 'sp-contributions-logs' ),
 177                                 array(),
 178                                 array( 'user' => $nt->getText() )
 179                         );
 180
 181                         # Add link to deleted user contributions for priviledged users
 182                         if( $wgUser->isAllowed( 'deletedhistory' ) ) {
 183                                 $tools[] = $sk->linkKnown(
 184                                         SpecialPage::getTitleFor( 'DeletedContributions', $nt->getDBkey() ),
 185                                         wfMsgHtml( 'sp-contributions-deleted' )
 186                                 );
 187                         }
 188
 189                         # Add a link to change user rights for privileged users
 190                         $userrightsPage = new UserrightsPage();
 191                         if( 0 !== $id && $userrightsPage->userCanChangeRights( User::newFromId( $id ) ) ) {
 192                                 $tools[] = $sk->linkKnown(
 193                                         SpecialPage::getTitleFor( 'Userrights', $nt->getDBkey() ),
 194                                         wfMsgHtml( 'sp-contributions-userrights' )
 195                                 );
 196                         }
 197
 198                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 199
 200                         $links = $wgLang->pipeList( $tools );
 201                 }
 202
 203                 // Old message 'contribsub' had one parameter, but that doesn't work for
 204                 // languages that want to put the "for" bit right after $user but before
 205                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 206                 // otherwise use 'contribsub2'.
 207                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 208                         return wfMsgHtml( 'contribsub2', $user, $links );
 209                 } else {
 210                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 211                 }
 212         }
 213
 214         /**
 215          * Generates the namespace selector form with hidden attributes.
 216          * @param $this->opts Array: the options to be included.
 217          */
 218         protected function getForm() {
 219                 global $wgScript;
 220
 221                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 222                 if( !isset( $this->opts['target'] ) ) {
 223                         $this->opts['target'] = '';
 224                 } else {
 225                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 226                 }
 227
 228                 if( !isset( $this->opts['namespace'] ) ) {
 229                         $this->opts['namespace'] = '';
 230                 }
 231
 232                 if( !isset( $this->opts['contribs'] ) ) {
 233                         $this->opts['contribs'] = 'user';
 234                 }
 235
 236                 if( !isset( $this->opts['year'] ) ) {
 237                         $this->opts['year'] = '';
 238                 }
 239
 240                 if( !isset( $this->opts['month'] ) ) {
 241                         $this->opts['month'] = '';
 242                 }
 243
 244                 if( $this->opts['contribs'] == 'newbie' ) {
 245                         $this->opts['target'] = '';
 246                 }
 247
 248                 if( !isset( $this->opts['tagfilter'] ) ) {
 249                         $this->opts['tagfilter'] = '';
 250                 }
 251
 252                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript ) );
 253                 # Add hidden params for tracking
 254                 foreach ( $this->opts as $name => $value ) {
 255                         if( in_array( $name, array( 'namespace', 'target', 'contribs', 'year', 'month' ) ) ) {
 256                                 continue;
 257                         }
 258                         $f .= "\t" . Xml::hidden( $name, $value ) . "\n";
 259                 }
 260
 261                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
 262
 263                 $f .= '<fieldset>' .
 264                         Xml::element( 'legend', array(), wfMsg( 'sp-contributions-search' ) ) .
 265                         Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parsemag' ) ),
 266                                 'contribs', 'newbie' , 'newbie', $this->opts['contribs'] == 'newbie' ? true : false ) . '<br />' .
 267                         Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parsemag' ) ),
 268                                 'contribs' , 'user', 'user', $this->opts['contribs'] == 'user' ? true : false ) . ' ' .
 269                         Xml::input( 'target', 20, $this->opts['target']) . ' '.
 270                         '<span style="white-space: nowrap">' .
 271                         Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 272                         Xml::namespaceSelector( $this->opts['namespace'], '' ) .
 273                         '</span>' .
 274                         ( $tagFilter ? Xml::tags( 'p', null, implode( '&nbsp;', $tagFilter ) ) : '' ) .
 275                         Xml::openElement( 'p' ) .
 276                         '<span style="white-space: nowrap">' .
 277                         Xml::dateMenu( $this->opts['year'], $this->opts['month'] ) .
 278                         '</span>' . ' ' .
 279                         Xml::submitButton( wfMsg( 'sp-contributions-submit' ) ) .
 280                         Xml::closeElement( 'p' );
 281
 282                 $explain = wfMsgExt( 'sp-contributions-explain', 'parseinline' );
 283                 if( !wfEmptyMsg( 'sp-contributions-explain', $explain ) )
 284                         $f .= "<p>{$explain}</p>";
 285
 286                 $f .= '</fieldset>' .
 287                         Xml::closeElement( 'form' );
 288                 return $f;
 289         }
 290
 291         /**
 292          * Output a subscription feed listing recent edits to this page.
 293          * @param string $type
 294          */
 295         protected function feed( $type ) {
 296                 global $wgRequest, $wgFeed, $wgFeedClasses, $wgFeedLimit;
 297
 298                 if( !$wgFeed ) {
 299                         global $wgOut;
 300                         $wgOut->addWikiMsg( 'feed-unavailable' );
 301                         return;
 302                 }
 303
 304                 if( !isset( $wgFeedClasses[$type] ) ) {
 305                         global $wgOut;
 306                         $wgOut->addWikiMsg( 'feed-invalid' );
 307                         return;
 308                 }
 309
 310                 $feed = new $wgFeedClasses[$type](
 311                         $this->feedTitle(),
 312                         wfMsgExt( 'tagline', 'parsemag' ),
 313                         $this->getTitle()->getFullUrl() . "/" . urlencode($this->opts['target'])
 314                 );
 315
 316                 // Already valid title
 317                 $nt = Title::makeTitleSafe( NS_USER, $this->opts['target'] );
 318                 $target = $this->opts['target'] == 'newbies' ? 'newbies' : $nt->getText();
 319
 320                 $pager = new ContribsPager( $target, $this->opts['namespace'],
 321                         $this->opts['year'], $this->opts['month'], $this->opts['tagfilter'] );
 322
 323                 $pager->mLimit = min( $this->opts['limit'], $wgFeedLimit );
 324
 325                 $feed->outHeader();
 326                 if( $pager->getNumRows() > 0 ) {
 327                         while( $row = $pager->mResult->fetchObject() ) {
 328                                 $feed->outItem( $this->feedItem( $row ) );
 329                         }
 330                 }
 331                 $feed->outFooter();
 332         }
 333
 334         protected function feedTitle() {
 335                 global $wgContLanguageCode, $wgSitename;
 336                 $page = SpecialPage::getPage( 'Contributions' );
 337                 $desc = $page->getDescription();
 338                 return "$wgSitename - $desc [$wgContLanguageCode]";
 339         }
 340
 341         protected function feedItem( $row ) {
 342                 $title = Title::MakeTitle( intval( $row->page_namespace ), $row->page_title );
 343                 if( $title ) {
 344                         $date = $row->rev_timestamp;
 345                         $comments = $title->getTalkPage()->getFullURL();
 346                         $revision = Revision::newFromTitle( $title, $row->rev_id );
 347
 348                         return new FeedItem(
 349                                 $title->getPrefixedText(),
 350                                 $this->feedItemDesc( $revision ),
 351                                 $title->getFullURL(),
 352                                 $date,
 353                                 $this->feedItemAuthor( $revision ),
 354                                 $comments
 355                         );
 356                 } else {
 357                         return NULL;
 358                 }
 359         }
 360
 361         protected function feedItemAuthor( $revision ) {
 362                 return $revision->getUserText();
 363         }
 364
 365         protected function feedItemDesc( $revision ) {
 366                 if( $revision ) {
 367                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 368                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 369                                 "</p>\n<hr />\n<div>" .
 370                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 371                 }
 372                 return '';
 373         }
 374 }
 375
 376 /**
 377  * Pager for Special:Contributions
 378  * @ingroup SpecialPage Pager
 379  */
 380 class ContribsPager extends ReverseChronologicalPager {
 381         public $mDefaultDirection = true;
 382         var $messages, $target;
 383         var $namespace = '', $mDb;
 384
 385         function __construct( $target, $namespace = false, $year = false, $month = false, $tagFilter = false ) {
 386                 parent::__construct();
 387                 foreach( explode( ' ', 'uctop diff newarticle rollbacklink diff hist newpageletter minoreditletter' ) as $msg ) {
 388                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escape') );
 389                 }
 390                 $this->target = $target;
 391                 $this->namespace = $namespace;
 392                 $this->tagFilter = $tagFilter;
 393
 394                 $this->getDateCond( $year, $month );
 395
 396                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 397         }
 398
 399         function getDefaultQuery() {
 400                 $query = parent::getDefaultQuery();
 401                 $query['target'] = $this->target;
 402                 return $query;
 403         }
 404
 405         function getQueryInfo() {
 406                 global $wgUser;
 407                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 408
 409                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 410                 // Paranoia: avoid brute force searches (bug 17342)
 411                 if( !$wgUser->isAllowed( 'deleterevision' ) ) {
 412                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::DELETED_USER) . ' = 0';
 413                 } else if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
 414                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::SUPPRESSED_USER) .
 415                                 ' != ' . Revision::SUPPRESSED_USER;
 416                 }
 417                 $join_cond['page'] = array( 'INNER JOIN', 'page_id=rev_page' );
 418
 419                 $queryInfo = array(
 420                         'tables' => $tables,
 421                         'fields' => array(
 422                                 'page_namespace', 'page_title', 'page_is_new', 'page_latest', 'page_is_redirect',
 423                                 'page_len','rev_id', 'rev_page', 'rev_text_id', 'rev_timestamp', 'rev_comment',
 424                                 'rev_minor_edit', 'rev_user', 'rev_user_text', 'rev_parent_id', 'rev_deleted'
 425                         ),
 426                         'conds' => $conds,
 427                         'options' => array( 'USE INDEX' => array('revision' => $index) ),
 428                         'join_conds' => $join_cond
 429                 );
 430
 431                 ChangeTags::modifyDisplayQuery( $queryInfo['tables'],
 432                                                                                 $queryInfo['fields'],
 433                                                                                 $queryInfo['conds'],
 434                                                                                 $queryInfo['join_conds'],
 435                                                                                 $queryInfo['options'],
 436                                                                                 $this->tagFilter );
 437
 438                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 439                 return $queryInfo;
 440         }
 441
 442         function getUserCond() {
 443                 $condition = array();
 444                 $join_conds = array();
 445                 if( $this->target == 'newbies' ) {
 446                         $tables = array( 'user_groups', 'page', 'revision' );
 447                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 448                         $condition[] = 'rev_user >' . (int)($max - $max / 100);
 449                         $condition[] = 'ug_group IS NULL';
 450                         $index = 'user_timestamp';
 451                         # FIXME: other groups may have 'bot' rights
 452                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 453                 } else {
 454                         $tables = array( 'page', 'revision' );
 455                         $condition['rev_user_text'] = $this->target;
 456                         $index = 'usertext_timestamp';
 457                 }
 458                 return array( $tables, $index, $condition, $join_conds );
 459         }
 460
 461         function getNamespaceCond() {
 462                 if( $this->namespace !== '' ) {
 463                         return array( 'page_namespace' => (int)$this->namespace );
 464                 } else {
 465                         return array();
 466                 }
 467         }
 468
 469         function getIndexField() {
 470                 return 'rev_timestamp';
 471         }
 472
 473         function getStartBody() {
 474                 return "<ul>\n";
 475         }
 476
 477         function getEndBody() {
 478                 return "</ul>\n";
 479         }
 480
 481         /**
 482          * Generates each row in the contributions list.
 483          *
 484          * Contributions which are marked "top" are currently on top of the history.
 485          * For these contributions, a [rollback] link is shown for users with roll-
 486          * back privileges. The rollback link restores the most recent version that
 487          * was not written by the target user.
 488          *
 489          * @todo This would probably look a lot nicer in a table.
 490          */
 491         function formatRow( $row ) {
 492                 global $wgUser, $wgLang, $wgContLang;
 493                 wfProfileIn( __METHOD__ );
 494
 495                 $sk = $this->getSkin();
 496                 $rev = new Revision( $row );
 497                 $classes = array();
 498
 499                 $page = Title::newFromRow( $row );
 500                 $page->resetArticleId( $row->rev_page ); // use process cache
 501                 $link = $sk->link(
 502                         $page,
 503                         htmlspecialchars( $page->getPrefixedText() ),
 504                         array(),
 505                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 506                 );
 507                 # Mark current revisions
 508                 $difftext = $topmarktext = '';
 509                 if( $row->rev_id == $row->page_latest ) {
 510                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 511                         if( !$row->page_is_new ) {
 512                                 $difftext .= '(' . $sk->linkKnown(
 513                                         $page,
 514                                         $this->messages['diff'],
 515                                         array(),
 516                                         array( 'diff' => 0 )
 517                                 ) . ')';
 518                                 # Add rollback link
 519                                 if( $page->quickUserCan( 'rollback') && $page->quickUserCan( 'edit' ) ) {
 520                                         $topmarktext .= ' '.$sk->generateRollback( $rev );
 521                                 }
 522                         } else {
 523                                 $difftext .= $this->messages['newarticle'];
 524                         }
 525                 }
 526                 # Is there a visible previous revision?
 527                 if( !$rev->isDeleted(Revision::DELETED_TEXT) ) {
 528                         $difftext = '(' . $sk->linkKnown(
 529                                 $page,
 530                                 $this->messages['diff'],
 531                                 array(),
 532                                 array(
 533                                         'diff' => 'prev',
 534                                         'oldid' => $row->rev_id
 535                                 )
 536                         ) . ')';
 537                 } else {
 538                         $difftext = '(' . $this->messages['diff'] . ')';
 539                 }
 540                 $histlink = '('.$sk->linkKnown(
 541                         $page,
 542                         $this->messages['hist'],
 543                         array(),
 544                         array( 'action' => 'history' )
 545                 ) . ')';
 546
 547                 $comment = $wgContLang->getDirMark() . $sk->revComment( $rev, false, true );
 548                 $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 549                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 550                         $d = '<span class="history-deleted">' . $date . '</span>';
 551                 } else {
 552                         $d = $sk->linkKnown(
 553                                 $page,
 554                                 htmlspecialchars($date),
 555                                 array(),
 556                                 array( 'oldid' => intval( $row->rev_id ) )
 557                         );
 558                 }
 559
 560                 if( $this->target == 'newbies' ) {
 561                         $userlink = ' . . ' . $sk->userLink( $row->rev_user, $row->rev_user_text );
 562                         $userlink .= ' (' . $sk->userTalkLink( $row->rev_user, $row->rev_user_text ) . ') ';
 563                 } else {
 564                         $userlink = '';
 565                 }
 566
 567                 if( $rev->getParentId() === 0 ) {
 568                         $nflag = '<abbr class="newpage">' . $this->messages['newpageletter'] . '</abbr>';
 569                 } else {
 570                         $nflag = '';
 571                 }
 572
 573                 if( $rev->isMinor() ) {
 574                         $mflag = '<abbr class="minor">' . $this->messages['minoreditletter'] . '</abbr> ';
 575                 } else {
 576                         $mflag = '';
 577                 }
 578
 579                 if( $wgUser->isAllowed( 'deleterevision' ) ) {
 580                         // If revision was hidden from sysops
 581                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 582                                 $del = Xml::tags( 'span', array( 'class'=>'mw-revdelundel-link' ),
 583                                         '(' . $this->message['rev-delundel'] . ')' ) . ' ';
 584                         // Otherwise, show the link...
 585                         } else {
 586                                 $query = array(
 587                                         'type' => 'revision',
 588                                         'target' => $page->getPrefixedDbkey(),
 589                                         'ids' => $rev->getId() );
 590                                 $del = $this->mSkin->revDeleteLink( $query,
 591                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ) ) . ' ';
 592                         }
 593                 } else {
 594                         $del = '';
 595                 }
 596
 597                 $ret = "{$del}{$d} {$histlink} {$difftext} {$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 598
 599                 # Tags, if any.
 600                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 601                 $classes = array_merge( $classes, $newClasses );
 602                 $ret .= " $tagSummary";
 603
 604                 // Let extensions add data
 605                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 606
 607                 $classes = implode( ' ', $classes );
 608                 $ret = "<li class=\"$classes\">$ret</li>\n";
 609                 wfProfileOut( __METHOD__ );
 610                 return $ret;
 611         }
 612
 613         /**
 614          * Get the Database object in use
 615          *
 616          * @return Database
 617          */
 618         public function getDatabase() {
 619                 return $this->mDb;
 620         }
 621
 622 }