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