includes/specials/SpecialContributions.php

   1 <?php
   2 /**
   3  * Implements Special:Contributions
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Special:Contributions, show user contributions in a paged list
  26  *
  27  * @ingroup SpecialPage
  28  */
  29
  30 class SpecialContributions extends SpecialPage {
  31
  32         public function __construct() {
  33                 parent::__construct( 'Contributions' );
  34         }
  35
  36         public function execute( $par ) {
  37                 global $wgUser, $wgOut, $wgRequest;
  38
  39                 $this->setHeaders();
  40                 $this->outputHeader();
  41
  42                 $this->opts = array();
  43
  44                 if( $par == 'newbies' ) {
  45                         $target = 'newbies';
  46                         $this->opts['contribs'] = 'newbie';
  47                 } elseif( isset( $par ) ) {
  48                         $target = $par;
  49                 } else {
  50                         $target = $wgRequest->getVal( 'target' );
  51                 }
  52
  53                 // check for radiobox
  54                 if( $wgRequest->getVal( 'contribs' ) == 'newbie' ) {
  55                         $target = 'newbies';
  56                         $this->opts['contribs'] = 'newbie';
  57                 }
  58
  59                 $this->opts['deletedOnly'] = $wgRequest->getCheck( 'deletedOnly' );
  60
  61                 if( !strlen( $target ) ) {
  62                         $wgOut->addHTML( $this->getForm() );
  63                         return;
  64                 }
  65
  66                 $this->opts['limit'] = $wgRequest->getInt( 'limit', $wgUser->getOption('rclimit') );
  67                 $this->opts['target'] = $target;
  68                 $this->opts['topOnly'] = $wgRequest->getCheck( 'topOnly' );
  69
  70                 $nt = Title::makeTitleSafe( NS_USER, $target );
  71                 if( !$nt ) {
  72                         $wgOut->addHTML( $this->getForm() );
  73                         return;
  74                 }
  75                 $id = User::idFromName( $nt->getText() );
  76
  77                 if( $target != 'newbies' ) {
  78                         $target = $nt->getText();
  79                         $wgOut->setSubtitle( $this->contributionsSub( $nt, $id ) );
  80                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsgExt( 'contributions-title', array( 'parsemag' ),$target ) ) );
  81                         $user = User::newFromName( $target, false );
  82                         if ( is_object($user) ) {
  83                                 $wgUser->getSkin()->setRelevantUser( $user );
  84                         }
  85                 } else {
  86                         $wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
  87                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsg( 'sp-contributions-newbies-title' ) ) );
  88                 }
  89
  90                 if( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
  91                         $this->opts['namespace'] = intval( $ns );
  92                 } else {
  93                         $this->opts['namespace'] = '';
  94                 }
  95
  96                 $this->opts['tagFilter'] = (string) $wgRequest->getVal( 'tagFilter' );
  97
  98                 // Allows reverts to have the bot flag in recent changes. It is just here to
  99                 // be passed in the form at the top of the page
 100                 if( $wgUser->isAllowed( 'markbotedits' ) && $wgRequest->getBool( 'bot' ) ) {
 101                         $this->opts['bot'] = '1';
 102                 }
 103
 104                 $skip = $wgRequest->getText( 'offset' ) || $wgRequest->getText( 'dir' ) == 'prev';
 105                 # Offset overrides year/month selection
 106                 if( $skip ) {
 107                         $this->opts['year'] = '';
 108                         $this->opts['month'] = '';
 109                 } else {
 110                         $this->opts['year'] = $wgRequest->getIntOrNull( 'year' );
 111                         $this->opts['month'] = $wgRequest->getIntOrNull( 'month' );
 112                 }
 113
 114                 // Add RSS/atom links
 115                 $this->setSyndicated();
 116                 $feedType = $wgRequest->getVal( 'feed' );
 117                 if( $feedType ) {
 118                         return $this->feed( $feedType );
 119                 }
 120
 121                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
 122
 123                         $wgOut->addHTML( $this->getForm() );
 124
 125                         $pager = new ContribsPager( array(
 126                                 'target' => $target,
 127                                 'namespace' => $this->opts['namespace'],
 128                                 'year' => $this->opts['year'],
 129                                 'month' => $this->opts['month'],
 130                                 'deletedOnly' => $this->opts['deletedOnly'],
 131                                 'topOnly' => $this->opts['topOnly'],
 132                         ) );
 133                         if( !$pager->getNumRows() ) {
 134                                 $wgOut->addWikiMsg( 'nocontribs', $target );
 135                         } else {
 136                                 # Show a message about slave lag, if applicable
 137                                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 138                                         $wgOut->showLagWarning( $lag );
 139
 140                                 $wgOut->addHTML(
 141                                         '<p>' . $pager->getNavigationBar() . '</p>' .
 142                                         $pager->getBody() .
 143                                         '<p>' . $pager->getNavigationBar() . '</p>'
 144                                 );
 145                         }
 146                         $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
 147
 148
 149                         # Show the appropriate "footer" message - WHOIS tools, etc.
 150                         if( $target != 'newbies' ) {
 151                                 $message = 'sp-contributions-footer';
 152                                 if ( IP::isIPAddress( $target ) ) {
 153                                         $message = 'sp-contributions-footer-anon';
 154                                 } else {
 155                                         $user = User::newFromName( $target );
 156                                         if ( !$user || $user->isAnon() ) {
 157                                                 // No message for non-existing users
 158                                                 return;
 159                                         }
 160                                 }
 161
 162                                 $text = wfMsgNoTrans( $message, $target );
 163                                 if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 164                                         $wgOut->wrapWikiMsg(
 165                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
 166                                                 array( $message, $target ) );
 167                                 }
 168                         }
 169                 }
 170         }
 171
 172         protected function setSyndicated() {
 173                 global $wgOut;
 174                 $wgOut->setSyndicated( true );
 175                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $this->opts ) );
 176         }
 177
 178         /**
 179          * Generates the subheading with links
 180          * @param $nt Title object for the target
 181          * @param $id Integer: User ID for the target
 182          * @return String: appropriately-escaped HTML to be output literally
 183          * @todo Fixme: almost the same as getSubTitle in SpecialDeletedContributions.php. Could be combined.
 184          */
 185         protected function contributionsSub( $nt, $id ) {
 186                 global $wgSysopUserBans, $wgLang, $wgUser, $wgOut;
 187
 188                 $sk = $wgUser->getSkin();
 189
 190                 if ( $id === null ) {
 191                         $user = htmlspecialchars( $nt->getText() );
 192                 } else {
 193                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 194                 }
 195                 $userObj = User::newFromName( $nt->getText(), /* check for username validity not needed */ false );
 196                 $talk = $nt->getTalkPage();
 197                 if( $talk ) {
 198                         # Talk page link
 199                         $tools[] = $sk->link( $talk, wfMsgHtml( 'sp-contributions-talk' ) );
 200                         if( ( $id !== null && $wgSysopUserBans ) || ( $id === null && IP::isIPAddress( $nt->getText() ) ) ) {
 201                                 if( $wgUser->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 202                                         if ( $userObj->isBlocked() ) {
 203                                                 $tools[] = $sk->linkKnown( # Change block link
 204                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 205                                                         wfMsgHtml( 'change-blocklink' )
 206                                                 );
 207                                                 $tools[] = $sk->linkKnown( # Unblock link
 208                                                         SpecialPage::getTitleFor( 'Ipblocklist' ),
 209                                                         wfMsgHtml( 'unblocklink' ),
 210                                                         array(),
 211                                                         array(
 212                                                                 'action' => 'unblock',
 213                                                                 'ip' => $nt->getDBkey()
 214                                                         )
 215                                                 );
 216                                         }
 217                                         else { # User is not blocked
 218                                                 $tools[] = $sk->linkKnown( # Block link
 219                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 220                                                         wfMsgHtml( 'blocklink' )
 221                                                 );
 222                                         }
 223                                 }
 224                                 # Block log link
 225                                 $tools[] = $sk->linkKnown(
 226                                         SpecialPage::getTitleFor( 'Log' ),
 227                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 228                                         array(),
 229                                         array(
 230                                                 'type' => 'block',
 231                                                 'page' => $nt->getPrefixedText()
 232                                         )
 233                                 );
 234                         }
 235                         # Uploads
 236                         $tools[] = $sk->linkKnown(
 237                                 SpecialPage::getTitleFor( 'Listfiles' ),
 238                                 wfMsgHtml( 'sp-contributions-uploads' ),
 239                                 array(),
 240                                 array( 'user' => $nt->getText() )
 241                         );
 242
 243                         # Other logs link
 244                         $tools[] = $sk->linkKnown(
 245                                 SpecialPage::getTitleFor( 'Log' ),
 246                                 wfMsgHtml( 'sp-contributions-logs' ),
 247                                 array(),
 248                                 array( 'user' => $nt->getText() )
 249                         );
 250
 251                         # Add link to deleted user contributions for priviledged users
 252                         if( $wgUser->isAllowed( 'deletedhistory' ) ) {
 253                                 $tools[] = $sk->linkKnown(
 254                                         SpecialPage::getTitleFor( 'DeletedContributions', $nt->getDBkey() ),
 255                                         wfMsgHtml( 'sp-contributions-deleted' )
 256                                 );
 257                         }
 258
 259                         # Add a link to change user rights for privileged users
 260                         $userrightsPage = new UserrightsPage();
 261                         if( $id !== null && $userrightsPage->userCanChangeRights( User::newFromId( $id ) ) ) {
 262                                 $tools[] = $sk->linkKnown(
 263                                         SpecialPage::getTitleFor( 'Userrights', $nt->getDBkey() ),
 264                                         wfMsgHtml( 'sp-contributions-userrights' )
 265                                 );
 266                         }
 267
 268                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 269
 270                         $links = $wgLang->pipeList( $tools );
 271
 272                         // Show a note if the user is blocked and display the last block log entry.
 273                         if ( $userObj->isBlocked() ) {
 274                                 LogEventsList::showLogExtract(
 275                                         $wgOut,
 276                                         'block',
 277                                         $nt->getPrefixedText(),
 278                                         '',
 279                                         array(
 280                                                 'lim' => 1,
 281                                                 'showIfEmpty' => false,
 282                                                 'msgKey' => array(
 283                                                         $userObj->isAnon() ?
 284                                                                 'sp-contributions-blocked-notice-anon' :
 285                                                                 'sp-contributions-blocked-notice',
 286                                                         $nt->getText() # Support GENDER in 'sp-contributions-blocked-notice'
 287                                                 ),
 288                                                 'offset' => '' # don't use $wgRequest parameter offset
 289                                         )
 290                                 );
 291                         }
 292                 }
 293
 294                 // Old message 'contribsub' had one parameter, but that doesn't work for
 295                 // languages that want to put the "for" bit right after $user but before
 296                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 297                 // otherwise use 'contribsub2'.
 298                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 299                         return wfMsgHtml( 'contribsub2', $user, $links );
 300                 } else {
 301                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 302                 }
 303         }
 304
 305         /**
 306          * Generates the namespace selector form with hidden attributes.
 307          * @return String: HTML fragment
 308          */
 309         protected function getForm() {
 310                 global $wgScript;
 311
 312                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 313                 if( !isset( $this->opts['target'] ) ) {
 314                         $this->opts['target'] = '';
 315                 } else {
 316                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 317                 }
 318
 319                 if( !isset( $this->opts['namespace'] ) ) {
 320                         $this->opts['namespace'] = '';
 321                 }
 322
 323                 if( !isset( $this->opts['contribs'] ) ) {
 324                         $this->opts['contribs'] = 'user';
 325                 }
 326
 327                 if( !isset( $this->opts['year'] ) ) {
 328                         $this->opts['year'] = '';
 329                 }
 330
 331                 if( !isset( $this->opts['month'] ) ) {
 332                         $this->opts['month'] = '';
 333                 }
 334
 335                 if( $this->opts['contribs'] == 'newbie' ) {
 336                         $this->opts['target'] = '';
 337                 }
 338
 339                 if( !isset( $this->opts['tagFilter'] ) ) {
 340                         $this->opts['tagFilter'] = '';
 341                 }
 342
 343                 if( !isset( $this->opts['topOnly'] ) ) {
 344                         $this->opts['topOnly'] = false;
 345                 }
 346
 347                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
 348
 349                 # Add hidden params for tracking except for parameters in $skipParameters
 350                 $skipParameters = array( 'namespace', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly' );
 351                 foreach ( $this->opts as $name => $value ) {
 352                         if( in_array( $name, $skipParameters ) ) {
 353                                 continue;
 354                         }
 355                         $f .= "\t" . Html::hidden( $name, $value ) . "\n";
 356                 }
 357
 358                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagFilter'] );
 359
 360                 $f .=   Xml::fieldset( wfMsg( 'sp-contributions-search' ) ) .
 361                         Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parsemag' ) ),
 362                                 'contribs', 'newbie' , 'newbie', $this->opts['contribs'] == 'newbie' ) . '<br />' .
 363                         Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parsemag' ) ),
 364                                 'contribs' , 'user', 'user', $this->opts['contribs'] == 'user' ) . ' ' .
 365                         Html::input( 'target', $this->opts['target'], 'text', array(
 366                                 'size' => '20',
 367                                 'required' => ''
 368                         ) + ( $this->opts['target'] ? array() : array( 'autofocus' ) ) ) . ' '.
 369                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 370                                 Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 371                                 Xml::namespaceSelector( $this->opts['namespace'], '' )
 372                         ) .
 373                         Xml::checkLabel( wfMsg( 'history-show-deleted' ),
 374                                 'deletedOnly', 'mw-show-deleted-only', $this->opts['deletedOnly'] ) . '<br />' .
 375                         Xml::tags( 'p', null, Xml::checkLabel( wfMsg( 'sp-contributions-toponly' ),
 376                                 'topOnly', 'mw-show-top-only', $this->opts['topOnly'] ) ) .
 377                         ( $tagFilter ? Xml::tags( 'p', null, implode( '&#160;', $tagFilter ) ) : '' ) .
 378                         Html::rawElement( 'p', array( 'style' => 'white-space: nowrap' ),
 379                                 Xml::dateMenu( $this->opts['year'], $this->opts['month'] ) . ' ' .
 380                                 Xml::submitButton( wfMsg( 'sp-contributions-submit' ) )
 381                         ) . ' ';
 382                 $explain = wfMsgExt( 'sp-contributions-explain', 'parseinline' );
 383                 if( !wfEmptyMsg( 'sp-contributions-explain', $explain ) ) {
 384                         $f .= "<p id='mw-sp-contributions-explain'>{$explain}</p>";
 385                 }
 386                 $f .= Xml::closeElement('fieldset' ) .
 387                         Xml::closeElement( 'form' );
 388                 return $f;
 389         }
 390
 391         /**
 392          * Output a subscription feed listing recent edits to this page.
 393          * @param $type String
 394          */
 395         protected function feed( $type ) {
 396                 global $wgFeed, $wgFeedClasses, $wgFeedLimit, $wgOut;
 397
 398                 if( !$wgFeed ) {
 399                         $wgOut->addWikiMsg( 'feed-unavailable' );
 400                         return;
 401                 }
 402
 403                 if( !isset( $wgFeedClasses[$type] ) ) {
 404                         $wgOut->addWikiMsg( 'feed-invalid' );
 405                         return;
 406                 }
 407
 408                 $feed = new $wgFeedClasses[$type](
 409                         $this->feedTitle(),
 410                         wfMsgExt( 'tagline', 'parsemag' ),
 411                         $this->getTitle()->getFullUrl() . "/" . urlencode($this->opts['target'])
 412                 );
 413
 414                 // Already valid title
 415                 $nt = Title::makeTitleSafe( NS_USER, $this->opts['target'] );
 416                 $target = $this->opts['target'] == 'newbies' ? 'newbies' : $nt->getText();
 417
 418                 $pager = new ContribsPager( array(
 419                         'target' => $target,
 420                         'namespace' => $this->opts['namespace'],
 421                         'year' => $this->opts['year'],
 422                         'month' => $this->opts['month'],
 423                         'tagFilter' => $this->opts['tagFilter'],
 424                         'deletedOnly' => $this->opts['deletedOnly'],
 425                         'topOnly' => $this->opts['topOnly'],
 426                 ) );
 427
 428                 $pager->mLimit = min( $this->opts['limit'], $wgFeedLimit );
 429
 430                 $feed->outHeader();
 431                 if( $pager->getNumRows() > 0 ) {
 432                         foreach ( $pager->mResult as $row ) {
 433                                 $feed->outItem( $this->feedItem( $row ) );
 434                         }
 435                 }
 436                 $feed->outFooter();
 437         }
 438
 439         protected function feedTitle() {
 440                 global $wgLanguageCode, $wgSitename;
 441                 $page = SpecialPage::getPage( 'Contributions' );
 442                 $desc = $page->getDescription();
 443                 return "$wgSitename - $desc [$wgLanguageCode]";
 444         }
 445
 446         protected function feedItem( $row ) {
 447                 $title = Title::MakeTitle( intval( $row->page_namespace ), $row->page_title );
 448                 if( $title ) {
 449                         $date = $row->rev_timestamp;
 450                         $comments = $title->getTalkPage()->getFullURL();
 451                         $revision = Revision::newFromTitle( $title, $row->rev_id );
 452
 453                         return new FeedItem(
 454                                 $title->getPrefixedText(),
 455                                 $this->feedItemDesc( $revision ),
 456                                 $title->getFullURL(),
 457                                 $date,
 458                                 $this->feedItemAuthor( $revision ),
 459                                 $comments
 460                         );
 461                 } else {
 462                         return null;
 463                 }
 464         }
 465
 466         protected function feedItemAuthor( $revision ) {
 467                 return $revision->getUserText();
 468         }
 469
 470         protected function feedItemDesc( $revision ) {
 471                 if( $revision ) {
 472                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 473                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 474                                 "</p>\n<hr />\n<div>" .
 475                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 476                 }
 477                 return '';
 478         }
 479 }
 480
 481 /**
 482  * Pager for Special:Contributions
 483  * @ingroup SpecialPage Pager
 484  */
 485 class ContribsPager extends ReverseChronologicalPager {
 486         public $mDefaultDirection = true;
 487         var $messages, $target;
 488         var $namespace = '', $mDb;
 489         var $preventClickjacking = false;
 490
 491         function __construct( $options ) {
 492                 parent::__construct();
 493
 494                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 495
 496                 foreach( $msgs as $msg ) {
 497                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
 498                 }
 499
 500                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 501                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 502                 $this->tagFilter = isset( $options['tagFilter'] ) ? $options['tagFilter'] : false;
 503
 504                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 505                 $this->topOnly = !empty( $options['topOnly'] );
 506
 507                 $year = isset( $options['year'] ) ? $options['year'] : false;
 508                 $month = isset( $options['month'] ) ? $options['month'] : false;
 509                 $this->getDateCond( $year, $month );
 510
 511                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 512         }
 513
 514         function getDefaultQuery() {
 515                 $query = parent::getDefaultQuery();
 516                 $query['target'] = $this->target;
 517                 return $query;
 518         }
 519
 520         function getQueryInfo() {
 521                 global $wgUser;
 522                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 523
 524                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 525                 // Paranoia: avoid brute force searches (bug 17342)
 526                 if( !$wgUser->isAllowed( 'deletedhistory' ) ) {
 527                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::DELETED_USER) . ' = 0';
 528                 } else if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
 529                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::SUPPRESSED_USER) .
 530                                 ' != ' . Revision::SUPPRESSED_USER;
 531                 }
 532                 $join_cond['page'] = array( 'INNER JOIN', 'page_id=rev_page' );
 533
 534                 $queryInfo = array(
 535                         'tables' => $tables,
 536                         'fields' => array(
 537                                 'page_namespace', 'page_title', 'page_is_new', 'page_latest', 'page_is_redirect',
 538                                 'page_len','rev_id', 'rev_page', 'rev_text_id', 'rev_timestamp', 'rev_comment',
 539                                 'rev_minor_edit', 'rev_user', 'rev_user_text', 'rev_parent_id', 'rev_deleted'
 540                         ),
 541                         'conds' => $conds,
 542                         'options' => array( 'USE INDEX' => array('revision' => $index) ),
 543                         'join_conds' => $join_cond
 544                 );
 545
 546                 ChangeTags::modifyDisplayQuery(
 547                         $queryInfo['tables'],
 548                         $queryInfo['fields'],
 549                         $queryInfo['conds'],
 550                         $queryInfo['join_conds'],
 551                         $queryInfo['options'],
 552                         $this->tagFilter
 553                 );
 554
 555                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 556                 return $queryInfo;
 557         }
 558
 559         function getUserCond() {
 560                 $condition = array();
 561                 $join_conds = array();
 562                 if( $this->target == 'newbies' ) {
 563                         $tables = array( 'user_groups', 'page', 'revision' );
 564                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 565                         $condition[] = 'rev_user >' . (int)($max - $max / 100);
 566                         $condition[] = 'ug_group IS NULL';
 567                         $index = 'user_timestamp';
 568                         # FIXME: other groups may have 'bot' rights
 569                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 570                 } else {
 571                         $tables = array( 'page', 'revision' );
 572                         $condition['rev_user_text'] = $this->target;
 573                         $index = 'usertext_timestamp';
 574                 }
 575                 if( $this->deletedOnly ) {
 576                         $condition[] = "rev_deleted != '0'";
 577                 }
 578                 if( $this->topOnly ) {
 579                         $condition[] = "rev_id = page_latest";
 580                 }
 581                 return array( $tables, $index, $condition, $join_conds );
 582         }
 583
 584         function getNamespaceCond() {
 585                 if( $this->namespace !== '' ) {
 586                         return array( 'page_namespace' => (int)$this->namespace );
 587                 } else {
 588                         return array();
 589                 }
 590         }
 591
 592         function getIndexField() {
 593                 return 'rev_timestamp';
 594         }
 595
 596         function getStartBody() {
 597                 return "<ul>\n";
 598         }
 599
 600         function getEndBody() {
 601                 return "</ul>\n";
 602         }
 603
 604         /**
 605          * Generates each row in the contributions list.
 606          *
 607          * Contributions which are marked "top" are currently on top of the history.
 608          * For these contributions, a [rollback] link is shown for users with roll-
 609          * back privileges. The rollback link restores the most recent version that
 610          * was not written by the target user.
 611          *
 612          * @todo This would probably look a lot nicer in a table.
 613          */
 614         function formatRow( $row ) {
 615                 global $wgUser, $wgLang, $wgContLang;
 616                 wfProfileIn( __METHOD__ );
 617
 618                 $sk = $this->getSkin();
 619                 $rev = new Revision( $row );
 620                 $classes = array();
 621
 622                 $page = Title::newFromRow( $row );
 623                 $page->resetArticleId( $row->rev_page ); // use process cache
 624                 $link = $sk->link(
 625                         $page,
 626                         htmlspecialchars( $page->getPrefixedText() ),
 627                         array(),
 628                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 629                 );
 630                 # Mark current revisions
 631                 $topmarktext = '';
 632                 if( $row->rev_id == $row->page_latest ) {
 633                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 634                         # Add rollback link
 635                         if( !$row->page_is_new && $page->quickUserCan( 'rollback' )
 636                                 && $page->quickUserCan( 'edit' ) )
 637                         {
 638                                 $this->preventClickjacking();
 639                                 $topmarktext .= ' '.$sk->generateRollback( $rev );
 640                         }
 641                 }
 642                 # Is there a visible previous revision?
 643                 if( $rev->userCan( Revision::DELETED_TEXT ) && $rev->getParentId() !== 0 ) {
 644                         $difftext = $sk->linkKnown(
 645                                 $page,
 646                                 $this->messages['diff'],
 647                                 array(),
 648                                 array(
 649                                         'diff' => 'prev',
 650                                         'oldid' => $row->rev_id
 651                                 )
 652                         );
 653                 } else {
 654                         $difftext = $this->messages['diff'];
 655                 }
 656                 $histlink = $sk->linkKnown(
 657                         $page,
 658                         $this->messages['hist'],
 659                         array(),
 660                         array( 'action' => 'history' )
 661                 );
 662
 663                 $comment = $wgContLang->getDirMark() . $sk->revComment( $rev, false, true );
 664                 $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 665                 if( $rev->userCan( Revision::DELETED_TEXT ) ) {
 666                         $d = $sk->linkKnown(
 667                                 $page,
 668                                 htmlspecialchars($date),
 669                                 array(),
 670                                 array( 'oldid' => intval( $row->rev_id ) )
 671                         );
 672                 } else {
 673                         $d = $date;
 674                 }
 675                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 676                         $d = '<span class="history-deleted">' . $d . '</span>';
 677                 }
 678
 679                 if( $this->target == 'newbies' ) {
 680                         $userlink = ' . . ' . $sk->userLink( $row->rev_user, $row->rev_user_text );
 681                         $userlink .= ' ' . wfMsg( 'parentheses', $sk->userTalkLink( $row->rev_user, $row->rev_user_text ) ) . ' ';
 682                 } else {
 683                         $userlink = '';
 684                 }
 685
 686                 if( $rev->getParentId() === 0 ) {
 687                         $nflag = ChangesList::flag( 'newpage' );
 688                 } else {
 689                         $nflag = '';
 690                 }
 691
 692                 if( $rev->isMinor() ) {
 693                         $mflag = ChangesList::flag( 'minor' );
 694                 } else {
 695                         $mflag = '';
 696                 }
 697
 698                 // Don't show useless link to people who cannot hide revisions
 699                 $canHide = $wgUser->isAllowed( 'deleterevision' );
 700                 if( $canHide || ($rev->getVisibility() && $wgUser->isAllowed('deletedhistory')) ) {
 701                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 702                                 $del = $this->mSkin->revDeleteLinkDisabled( $canHide ); // revision was hidden from sysops
 703                         } else {
 704                                 $query = array(
 705                                         'type'   => 'revision',
 706                                         'target' => $page->getPrefixedDbkey(),
 707                                         'ids'    => $rev->getId()
 708                                 );
 709                                 $del = $this->mSkin->revDeleteLink( $query,
 710                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ), $canHide );
 711                         }
 712                         $del .= ' ';
 713                 } else {
 714                         $del = '';
 715                 }
 716
 717                 $diffHistLinks = '(' . $difftext . $this->messages['pipe-separator'] . $histlink . ')';
 718                 $ret = "{$del}{$d} {$diffHistLinks} {$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 719
 720                 # Denote if username is redacted for this edit
 721                 if( $rev->isDeleted( Revision::DELETED_USER ) ) {
 722                         $ret .= " <strong>" . wfMsgHtml('rev-deleted-user-contribs') . "</strong>";
 723                 }
 724
 725                 # Tags, if any.
 726                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 727                 $classes = array_merge( $classes, $newClasses );
 728                 $ret .= " $tagSummary";
 729
 730                 // Let extensions add data
 731                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 732
 733                 $classes = implode( ' ', $classes );
 734                 $ret = "<li class=\"$classes\">$ret</li>\n";
 735                 wfProfileOut( __METHOD__ );
 736                 return $ret;
 737         }
 738
 739         /**
 740          * Get the Database object in use
 741          *
 742          * @return Database
 743          */
 744         public function getDatabase() {
 745                 return $this->mDb;
 746         }
 747
 748         /**
 749          * Overwrite Pager function and return a helpful comment
 750          */
 751         function getSqlComment() {
 752                 if ( $this->namespace || $this->deletedOnly ) {
 753                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 754                 } else {
 755                         return 'contributions page unfiltered';
 756                 }
 757         }
 758
 759         protected function preventClickjacking() {
 760                 $this->preventClickjacking = true;
 761         }
 762
 763         public function getPreventClickjacking() {
 764                 return $this->preventClickjacking;
 765         }
 766 }