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         protected $opts;
  33
  34         public function __construct() {
  35                 parent::__construct( 'Contributions' );
  36         }
  37
  38         public function execute( $par ) {
  39                 global $wgUser, $wgOut, $wgRequest;
  40
  41                 $this->setHeaders();
  42                 $this->outputHeader();
  43
  44                 $this->opts = array();
  45
  46                 if( $par == 'newbies' ) {
  47                         $target = 'newbies';
  48                         $this->opts['contribs'] = 'newbie';
  49                 } elseif( isset( $par ) ) {
  50                         $target = $par;
  51                 } else {
  52                         $target = $wgRequest->getVal( 'target' );
  53                 }
  54
  55                 // check for radiobox
  56                 if( $wgRequest->getVal( 'contribs' ) == 'newbie' ) {
  57                         $target = 'newbies';
  58                         $this->opts['contribs'] = 'newbie';
  59                 }
  60
  61                 $this->opts['deletedOnly'] = $wgRequest->getCheck( 'deletedOnly' );
  62
  63                 if( !strlen( $target ) ) {
  64                         $wgOut->addHTML( $this->getForm() );
  65                         return;
  66                 }
  67
  68                 $this->opts['limit'] = $wgRequest->getInt( 'limit', $wgUser->getOption('rclimit') );
  69                 $this->opts['target'] = $target;
  70                 $this->opts['topOnly'] = $wgRequest->getCheck( 'topOnly' );
  71
  72                 $nt = Title::makeTitleSafe( NS_USER, $target );
  73                 if( !$nt ) {
  74                         $wgOut->addHTML( $this->getForm() );
  75                         return;
  76                 }
  77                 $id = User::idFromName( $nt->getText() );
  78
  79                 if( $target != 'newbies' ) {
  80                         $target = $nt->getText();
  81                         $wgOut->setSubtitle( $this->contributionsSub( $nt, $id ) );
  82                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsgExt( 'contributions-title', array( 'parsemag' ),$target ) ) );
  83                         $user = User::newFromName( $target, false );
  84                         if ( is_object($user) ) {
  85                                 $wgUser->getSkin()->setRelevantUser( $user );
  86                         }
  87                 } else {
  88                         $wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
  89                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsg( 'sp-contributions-newbies-title' ) ) );
  90                 }
  91
  92                 if( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
  93                         $this->opts['namespace'] = intval( $ns );
  94                 } else {
  95                         $this->opts['namespace'] = '';
  96                 }
  97
  98                 $this->opts['tagFilter'] = (string) $wgRequest->getVal( 'tagFilter' );
  99
 100                 // Allows reverts to have the bot flag in recent changes. It is just here to
 101                 // be passed in the form at the top of the page
 102                 if( $wgUser->isAllowed( 'markbotedits' ) && $wgRequest->getBool( 'bot' ) ) {
 103                         $this->opts['bot'] = '1';
 104                 }
 105
 106                 $skip = $wgRequest->getText( 'offset' ) || $wgRequest->getText( 'dir' ) == 'prev';
 107                 # Offset overrides year/month selection
 108                 if( $skip ) {
 109                         $this->opts['year'] = '';
 110                         $this->opts['month'] = '';
 111                 } else {
 112                         $this->opts['year'] = $wgRequest->getIntOrNull( 'year' );
 113                         $this->opts['month'] = $wgRequest->getIntOrNull( 'month' );
 114                 }
 115
 116                 // Add RSS/atom links
 117                 $this->setSyndicated();
 118                 $feedType = $wgRequest->getVal( 'feed' );
 119                 if( $feedType ) {
 120                         return $this->feed( $feedType );
 121                 }
 122
 123                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
 124
 125                         $wgOut->addHTML( $this->getForm() );
 126
 127                         $pager = new ContribsPager( array(
 128                                 'target' => $target,
 129                                 'namespace' => $this->opts['namespace'],
 130                                 'year' => $this->opts['year'],
 131                                 'month' => $this->opts['month'],
 132                                 'deletedOnly' => $this->opts['deletedOnly'],
 133                                 'topOnly' => $this->opts['topOnly'],
 134                         ) );
 135                         if( !$pager->getNumRows() ) {
 136                                 $wgOut->addWikiMsg( 'nocontribs', $target );
 137                         } else {
 138                                 # Show a message about slave lag, if applicable
 139                                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 140                                         $wgOut->showLagWarning( $lag );
 141
 142                                 $wgOut->addHTML(
 143                                         '<p>' . $pager->getNavigationBar() . '</p>' .
 144                                         $pager->getBody() .
 145                                         '<p>' . $pager->getNavigationBar() . '</p>'
 146                                 );
 147                         }
 148                         $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
 149
 150
 151                         # Show the appropriate "footer" message - WHOIS tools, etc.
 152                         if( $target != 'newbies' ) {
 153                                 $message = 'sp-contributions-footer';
 154                                 if ( IP::isIPAddress( $target ) ) {
 155                                         $message = 'sp-contributions-footer-anon';
 156                                 } else {
 157                                         $user = User::newFromName( $target );
 158                                         if ( !$user || $user->isAnon() ) {
 159                                                 // No message for non-existing users
 160                                                 return;
 161                                         }
 162                                 }
 163
 164                                 $text = wfMsgNoTrans( $message, $target );
 165                                 if( !wfEmptyMsg( $message, $text ) && $text != '-' ) {
 166                                         $wgOut->wrapWikiMsg(
 167                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
 168                                                 array( $message, $target ) );
 169                                 }
 170                         }
 171                 }
 172         }
 173
 174         protected function setSyndicated() {
 175                 global $wgOut;
 176                 $wgOut->setSyndicated( true );
 177                 $wgOut->setFeedAppendQuery( wfArrayToCGI( $this->opts ) );
 178         }
 179
 180         /**
 181          * Generates the subheading with links
 182          * @param $nt Title object for the target
 183          * @param $id Integer: User ID for the target
 184          * @return String: appropriately-escaped HTML to be output literally
 185          * @todo Fixme: almost the same as getSubTitle in SpecialDeletedContributions.php. Could be combined.
 186          */
 187         protected function contributionsSub( $nt, $id ) {
 188                 global $wgSysopUserBans, $wgLang, $wgUser, $wgOut;
 189
 190                 $sk = $wgUser->getSkin();
 191
 192                 if ( $id === null ) {
 193                         $user = htmlspecialchars( $nt->getText() );
 194                 } else {
 195                         $user = $sk->link( $nt, htmlspecialchars( $nt->getText() ) );
 196                 }
 197                 $userObj = User::newFromName( $nt->getText(), /* check for username validity not needed */ false );
 198                 $talk = $nt->getTalkPage();
 199                 if( $talk ) {
 200                         # Talk page link
 201                         $tools[] = $sk->link( $talk, wfMsgHtml( 'sp-contributions-talk' ) );
 202                         if( ( $id !== null && $wgSysopUserBans ) || ( $id === null && IP::isIPAddress( $nt->getText() ) ) ) {
 203                                 if( $wgUser->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 204                                         if ( $userObj->isBlocked() ) {
 205                                                 $tools[] = $sk->linkKnown( # Change block link
 206                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 207                                                         wfMsgHtml( 'change-blocklink' )
 208                                                 );
 209                                                 $tools[] = $sk->linkKnown( # Unblock link
 210                                                         SpecialPage::getTitleFor( 'Ipblocklist' ),
 211                                                         wfMsgHtml( 'unblocklink' ),
 212                                                         array(),
 213                                                         array(
 214                                                                 'action' => 'unblock',
 215                                                                 'ip' => $nt->getDBkey()
 216                                                         )
 217                                                 );
 218                                         }
 219                                         else { # User is not blocked
 220                                                 $tools[] = $sk->linkKnown( # Block link
 221                                                         SpecialPage::getTitleFor( 'Blockip', $nt->getDBkey() ),
 222                                                         wfMsgHtml( 'blocklink' )
 223                                                 );
 224                                         }
 225                                 }
 226                                 # Block log link
 227                                 $tools[] = $sk->linkKnown(
 228                                         SpecialPage::getTitleFor( 'Log' ),
 229                                         wfMsgHtml( 'sp-contributions-blocklog' ),
 230                                         array(),
 231                                         array(
 232                                                 'type' => 'block',
 233                                                 'page' => $nt->getPrefixedText()
 234                                         )
 235                                 );
 236                         }
 237                         # Uploads
 238                         $tools[] = $sk->linkKnown(
 239                                 SpecialPage::getTitleFor( 'Listfiles' ),
 240                                 wfMsgHtml( 'sp-contributions-uploads' ),
 241                                 array(),
 242                                 array( 'user' => $nt->getText() )
 243                         );
 244
 245                         # Other logs link
 246                         $tools[] = $sk->linkKnown(
 247                                 SpecialPage::getTitleFor( 'Log' ),
 248                                 wfMsgHtml( 'sp-contributions-logs' ),
 249                                 array(),
 250                                 array( 'user' => $nt->getText() )
 251                         );
 252
 253                         # Add link to deleted user contributions for priviledged users
 254                         if( $wgUser->isAllowed( 'deletedhistory' ) ) {
 255                                 $tools[] = $sk->linkKnown(
 256                                         SpecialPage::getTitleFor( 'DeletedContributions', $nt->getDBkey() ),
 257                                         wfMsgHtml( 'sp-contributions-deleted' )
 258                                 );
 259                         }
 260
 261                         # Add a link to change user rights for privileged users
 262                         $userrightsPage = new UserrightsPage();
 263                         if( $id !== null && $userrightsPage->userCanChangeRights( User::newFromId( $id ) ) ) {
 264                                 $tools[] = $sk->linkKnown(
 265                                         SpecialPage::getTitleFor( 'Userrights', $nt->getDBkey() ),
 266                                         wfMsgHtml( 'sp-contributions-userrights' )
 267                                 );
 268                         }
 269
 270                         wfRunHooks( 'ContributionsToolLinks', array( $id, $nt, &$tools ) );
 271
 272                         $links = $wgLang->pipeList( $tools );
 273
 274                         // Show a note if the user is blocked and display the last block log entry.
 275                         if ( $userObj->isBlocked() ) {
 276                                 LogEventsList::showLogExtract(
 277                                         $wgOut,
 278                                         'block',
 279                                         $nt->getPrefixedText(),
 280                                         '',
 281                                         array(
 282                                                 'lim' => 1,
 283                                                 'showIfEmpty' => false,
 284                                                 'msgKey' => array(
 285                                                         $userObj->isAnon() ?
 286                                                                 'sp-contributions-blocked-notice-anon' :
 287                                                                 'sp-contributions-blocked-notice',
 288                                                         $nt->getText() # Support GENDER in 'sp-contributions-blocked-notice'
 289                                                 ),
 290                                                 'offset' => '' # don't use $wgRequest parameter offset
 291                                         )
 292                                 );
 293                         }
 294                 }
 295
 296                 // Old message 'contribsub' had one parameter, but that doesn't work for
 297                 // languages that want to put the "for" bit right after $user but before
 298                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 299                 // otherwise use 'contribsub2'.
 300                 if( wfEmptyMsg( 'contribsub', wfMsg( 'contribsub' ) ) ) {
 301                         return wfMsgHtml( 'contribsub2', $user, $links );
 302                 } else {
 303                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 304                 }
 305         }
 306
 307         /**
 308          * Generates the namespace selector form with hidden attributes.
 309          * @return String: HTML fragment
 310          */
 311         protected function getForm() {
 312                 global $wgScript;
 313
 314                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 315                 if( !isset( $this->opts['target'] ) ) {
 316                         $this->opts['target'] = '';
 317                 } else {
 318                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 319                 }
 320
 321                 if( !isset( $this->opts['namespace'] ) ) {
 322                         $this->opts['namespace'] = '';
 323                 }
 324
 325                 if( !isset( $this->opts['contribs'] ) ) {
 326                         $this->opts['contribs'] = 'user';
 327                 }
 328
 329                 if( !isset( $this->opts['year'] ) ) {
 330                         $this->opts['year'] = '';
 331                 }
 332
 333                 if( !isset( $this->opts['month'] ) ) {
 334                         $this->opts['month'] = '';
 335                 }
 336
 337                 if( $this->opts['contribs'] == 'newbie' ) {
 338                         $this->opts['target'] = '';
 339                 }
 340
 341                 if( !isset( $this->opts['tagFilter'] ) ) {
 342                         $this->opts['tagFilter'] = '';
 343                 }
 344
 345                 if( !isset( $this->opts['topOnly'] ) ) {
 346                         $this->opts['topOnly'] = false;
 347                 }
 348
 349                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
 350
 351                 # Add hidden params for tracking except for parameters in $skipParameters
 352                 $skipParameters = array( 'namespace', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly' );
 353                 foreach ( $this->opts as $name => $value ) {
 354                         if( in_array( $name, $skipParameters ) ) {
 355                                 continue;
 356                         }
 357                         $f .= "\t" . Html::hidden( $name, $value ) . "\n";
 358                 }
 359
 360                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagFilter'] );
 361
 362                 $f .=   Xml::fieldset( wfMsg( 'sp-contributions-search' ) ) .
 363                         Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parsemag' ) ),
 364                                 'contribs', 'newbie' , 'newbie', $this->opts['contribs'] == 'newbie' ) . '<br />' .
 365                         Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parsemag' ) ),
 366                                 'contribs' , 'user', 'user', $this->opts['contribs'] == 'user' ) . ' ' .
 367                         Html::input( 'target', $this->opts['target'], 'text', array(
 368                                 'size' => '20',
 369                                 'required' => ''
 370                         ) + ( $this->opts['target'] ? array() : array( 'autofocus' ) ) ) . ' '.
 371                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 372                                 Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 373                                 Xml::namespaceSelector( $this->opts['namespace'], '' )
 374                         ) .
 375                         Xml::checkLabel( wfMsg( 'history-show-deleted' ),
 376                                 'deletedOnly', 'mw-show-deleted-only', $this->opts['deletedOnly'] ) . '<br />' .
 377                         Xml::tags( 'p', null, Xml::checkLabel( wfMsg( 'sp-contributions-toponly' ),
 378                                 'topOnly', 'mw-show-top-only', $this->opts['topOnly'] ) ) .
 379                         ( $tagFilter ? Xml::tags( 'p', null, implode( '&#160;', $tagFilter ) ) : '' ) .
 380                         Html::rawElement( 'p', array( 'style' => 'white-space: nowrap' ),
 381                                 Xml::dateMenu( $this->opts['year'], $this->opts['month'] ) . ' ' .
 382                                 Xml::submitButton( wfMsg( 'sp-contributions-submit' ) )
 383                         ) . ' ';
 384                 $explain = wfMsgExt( 'sp-contributions-explain', 'parseinline' );
 385                 if( !wfEmptyMsg( 'sp-contributions-explain', $explain ) ) {
 386                         $f .= "<p id='mw-sp-contributions-explain'>{$explain}</p>";
 387                 }
 388                 $f .= Xml::closeElement('fieldset' ) .
 389                         Xml::closeElement( 'form' );
 390                 return $f;
 391         }
 392
 393         /**
 394          * Output a subscription feed listing recent edits to this page.
 395          * @param $type String
 396          */
 397         protected function feed( $type ) {
 398                 global $wgFeed, $wgFeedClasses, $wgFeedLimit, $wgOut;
 399
 400                 if( !$wgFeed ) {
 401                         $wgOut->addWikiMsg( 'feed-unavailable' );
 402                         return;
 403                 }
 404
 405                 if( !isset( $wgFeedClasses[$type] ) ) {
 406                         $wgOut->addWikiMsg( 'feed-invalid' );
 407                         return;
 408                 }
 409
 410                 $feed = new $wgFeedClasses[$type](
 411                         $this->feedTitle(),
 412                         wfMsgExt( 'tagline', 'parsemag' ),
 413                         $this->getTitle()->getFullUrl() . "/" . urlencode($this->opts['target'])
 414                 );
 415
 416                 // Already valid title
 417                 $nt = Title::makeTitleSafe( NS_USER, $this->opts['target'] );
 418                 $target = $this->opts['target'] == 'newbies' ? 'newbies' : $nt->getText();
 419
 420                 $pager = new ContribsPager( array(
 421                         'target' => $target,
 422                         'namespace' => $this->opts['namespace'],
 423                         'year' => $this->opts['year'],
 424                         'month' => $this->opts['month'],
 425                         'tagFilter' => $this->opts['tagFilter'],
 426                         'deletedOnly' => $this->opts['deletedOnly'],
 427                         'topOnly' => $this->opts['topOnly'],
 428                 ) );
 429
 430                 $pager->mLimit = min( $this->opts['limit'], $wgFeedLimit );
 431
 432                 $feed->outHeader();
 433                 if( $pager->getNumRows() > 0 ) {
 434                         foreach ( $pager->mResult as $row ) {
 435                                 $feed->outItem( $this->feedItem( $row ) );
 436                         }
 437                 }
 438                 $feed->outFooter();
 439         }
 440
 441         protected function feedTitle() {
 442                 global $wgLanguageCode, $wgSitename;
 443                 $page = SpecialPage::getPage( 'Contributions' );
 444                 $desc = $page->getDescription();
 445                 return "$wgSitename - $desc [$wgLanguageCode]";
 446         }
 447
 448         protected function feedItem( $row ) {
 449                 $title = Title::MakeTitle( intval( $row->page_namespace ), $row->page_title );
 450                 if( $title ) {
 451                         $date = $row->rev_timestamp;
 452                         $comments = $title->getTalkPage()->getFullURL();
 453                         $revision = Revision::newFromTitle( $title, $row->rev_id );
 454
 455                         return new FeedItem(
 456                                 $title->getPrefixedText(),
 457                                 $this->feedItemDesc( $revision ),
 458                                 $title->getFullURL(),
 459                                 $date,
 460                                 $this->feedItemAuthor( $revision ),
 461                                 $comments
 462                         );
 463                 } else {
 464                         return null;
 465                 }
 466         }
 467
 468         protected function feedItemAuthor( $revision ) {
 469                 return $revision->getUserText();
 470         }
 471
 472         protected function feedItemDesc( $revision ) {
 473                 if( $revision ) {
 474                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 475                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 476                                 "</p>\n<hr />\n<div>" .
 477                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 478                 }
 479                 return '';
 480         }
 481 }
 482
 483 /**
 484  * Pager for Special:Contributions
 485  * @ingroup SpecialPage Pager
 486  */
 487 class ContribsPager extends ReverseChronologicalPager {
 488         public $mDefaultDirection = true;
 489         var $messages, $target;
 490         var $namespace = '', $mDb;
 491         var $preventClickjacking = false;
 492
 493         function __construct( $options ) {
 494                 parent::__construct();
 495
 496                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 497
 498                 foreach( $msgs as $msg ) {
 499                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
 500                 }
 501
 502                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 503                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 504                 $this->tagFilter = isset( $options['tagFilter'] ) ? $options['tagFilter'] : false;
 505
 506                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 507                 $this->topOnly = !empty( $options['topOnly'] );
 508
 509                 $year = isset( $options['year'] ) ? $options['year'] : false;
 510                 $month = isset( $options['month'] ) ? $options['month'] : false;
 511                 $this->getDateCond( $year, $month );
 512
 513                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 514         }
 515
 516         function getDefaultQuery() {
 517                 $query = parent::getDefaultQuery();
 518                 $query['target'] = $this->target;
 519                 return $query;
 520         }
 521
 522         function getQueryInfo() {
 523                 global $wgUser;
 524                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 525
 526                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 527                 // Paranoia: avoid brute force searches (bug 17342)
 528                 if( !$wgUser->isAllowed( 'deletedhistory' ) ) {
 529                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::DELETED_USER) . ' = 0';
 530                 } else if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
 531                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::SUPPRESSED_USER) .
 532                                 ' != ' . Revision::SUPPRESSED_USER;
 533                 }
 534                 $join_cond['page'] = array( 'INNER JOIN', 'page_id=rev_page' );
 535
 536                 $queryInfo = array(
 537                         'tables' => $tables,
 538                         'fields' => array(
 539                                 'page_namespace', 'page_title', 'page_is_new', 'page_latest', 'page_is_redirect',
 540                                 'page_len','rev_id', 'rev_page', 'rev_text_id', 'rev_timestamp', 'rev_comment',
 541                                 'rev_minor_edit', 'rev_user', 'rev_user_text', 'rev_parent_id', 'rev_deleted'
 542                         ),
 543                         'conds' => $conds,
 544                         'options' => array( 'USE INDEX' => array('revision' => $index) ),
 545                         'join_conds' => $join_cond
 546                 );
 547
 548                 ChangeTags::modifyDisplayQuery(
 549                         $queryInfo['tables'],
 550                         $queryInfo['fields'],
 551                         $queryInfo['conds'],
 552                         $queryInfo['join_conds'],
 553                         $queryInfo['options'],
 554                         $this->tagFilter
 555                 );
 556
 557                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 558                 return $queryInfo;
 559         }
 560
 561         function getUserCond() {
 562                 $condition = array();
 563                 $join_conds = array();
 564                 if( $this->target == 'newbies' ) {
 565                         $tables = array( 'user_groups', 'page', 'revision' );
 566                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 567                         $condition[] = 'rev_user >' . (int)($max - $max / 100);
 568                         $condition[] = 'ug_group IS NULL';
 569                         $index = 'user_timestamp';
 570                         # FIXME: other groups may have 'bot' rights
 571                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 572                 } else {
 573                         $tables = array( 'page', 'revision' );
 574                         $condition['rev_user_text'] = $this->target;
 575                         $index = 'usertext_timestamp';
 576                 }
 577                 if( $this->deletedOnly ) {
 578                         $condition[] = "rev_deleted != '0'";
 579                 }
 580                 if( $this->topOnly ) {
 581                         $condition[] = "rev_id = page_latest";
 582                 }
 583                 return array( $tables, $index, $condition, $join_conds );
 584         }
 585
 586         function getNamespaceCond() {
 587                 if( $this->namespace !== '' ) {
 588                         return array( 'page_namespace' => (int)$this->namespace );
 589                 } else {
 590                         return array();
 591                 }
 592         }
 593
 594         function getIndexField() {
 595                 return 'rev_timestamp';
 596         }
 597
 598         function getStartBody() {
 599                 return "<ul>\n";
 600         }
 601
 602         function getEndBody() {
 603                 return "</ul>\n";
 604         }
 605
 606         /**
 607          * Generates each row in the contributions list.
 608          *
 609          * Contributions which are marked "top" are currently on top of the history.
 610          * For these contributions, a [rollback] link is shown for users with roll-
 611          * back privileges. The rollback link restores the most recent version that
 612          * was not written by the target user.
 613          *
 614          * @todo This would probably look a lot nicer in a table.
 615          */
 616         function formatRow( $row ) {
 617                 global $wgUser, $wgLang, $wgContLang;
 618                 wfProfileIn( __METHOD__ );
 619
 620                 $sk = $this->getSkin();
 621                 $rev = new Revision( $row );
 622                 $classes = array();
 623
 624                 $page = Title::newFromRow( $row );
 625                 $page->resetArticleId( $row->rev_page ); // use process cache
 626                 $link = $sk->link(
 627                         $page,
 628                         htmlspecialchars( $page->getPrefixedText() ),
 629                         array(),
 630                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 631                 );
 632                 # Mark current revisions
 633                 $topmarktext = '';
 634                 if( $row->rev_id == $row->page_latest ) {
 635                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 636                         # Add rollback link
 637                         if( !$row->page_is_new && $page->quickUserCan( 'rollback' )
 638                                 && $page->quickUserCan( 'edit' ) )
 639                         {
 640                                 $this->preventClickjacking();
 641                                 $topmarktext .= ' '.$sk->generateRollback( $rev );
 642                         }
 643                 }
 644                 # Is there a visible previous revision?
 645                 if( $rev->userCan( Revision::DELETED_TEXT ) && $rev->getParentId() !== 0 ) {
 646                         $difftext = $sk->linkKnown(
 647                                 $page,
 648                                 $this->messages['diff'],
 649                                 array(),
 650                                 array(
 651                                         'diff' => 'prev',
 652                                         'oldid' => $row->rev_id
 653                                 )
 654                         );
 655                 } else {
 656                         $difftext = $this->messages['diff'];
 657                 }
 658                 $histlink = $sk->linkKnown(
 659                         $page,
 660                         $this->messages['hist'],
 661                         array(),
 662                         array( 'action' => 'history' )
 663                 );
 664
 665                 $comment = $wgContLang->getDirMark() . $sk->revComment( $rev, false, true );
 666                 $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 667                 if( $rev->userCan( Revision::DELETED_TEXT ) ) {
 668                         $d = $sk->linkKnown(
 669                                 $page,
 670                                 htmlspecialchars($date),
 671                                 array(),
 672                                 array( 'oldid' => intval( $row->rev_id ) )
 673                         );
 674                 } else {
 675                         $d = $date;
 676                 }
 677                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 678                         $d = '<span class="history-deleted">' . $d . '</span>';
 679                 }
 680
 681                 if( $this->target == 'newbies' ) {
 682                         $userlink = ' . . ' . $sk->userLink( $row->rev_user, $row->rev_user_text );
 683                         $userlink .= ' ' . wfMsg( 'parentheses', $sk->userTalkLink( $row->rev_user, $row->rev_user_text ) ) . ' ';
 684                 } else {
 685                         $userlink = '';
 686                 }
 687
 688                 if( $rev->getParentId() === 0 ) {
 689                         $nflag = ChangesList::flag( 'newpage' );
 690                 } else {
 691                         $nflag = '';
 692                 }
 693
 694                 if( $rev->isMinor() ) {
 695                         $mflag = ChangesList::flag( 'minor' );
 696                 } else {
 697                         $mflag = '';
 698                 }
 699
 700                 // Don't show useless link to people who cannot hide revisions
 701                 $canHide = $wgUser->isAllowed( 'deleterevision' );
 702                 if( $canHide || ($rev->getVisibility() && $wgUser->isAllowed('deletedhistory')) ) {
 703                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 704                                 $del = $this->mSkin->revDeleteLinkDisabled( $canHide ); // revision was hidden from sysops
 705                         } else {
 706                                 $query = array(
 707                                         'type'   => 'revision',
 708                                         'target' => $page->getPrefixedDbkey(),
 709                                         'ids'    => $rev->getId()
 710                                 );
 711                                 $del = $this->mSkin->revDeleteLink( $query,
 712                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ), $canHide );
 713                         }
 714                         $del .= ' ';
 715                 } else {
 716                         $del = '';
 717                 }
 718
 719                 $diffHistLinks = '(' . $difftext . $this->messages['pipe-separator'] . $histlink . ')';
 720                 $ret = "{$del}{$d} {$diffHistLinks} {$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 721
 722                 # Denote if username is redacted for this edit
 723                 if( $rev->isDeleted( Revision::DELETED_USER ) ) {
 724                         $ret .= " <strong>" . wfMsgHtml('rev-deleted-user-contribs') . "</strong>";
 725                 }
 726
 727                 # Tags, if any.
 728                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 729                 $classes = array_merge( $classes, $newClasses );
 730                 $ret .= " $tagSummary";
 731
 732                 // Let extensions add data
 733                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 734
 735                 $classes = implode( ' ', $classes );
 736                 $ret = "<li class=\"$classes\">$ret</li>\n";
 737                 wfProfileOut( __METHOD__ );
 738                 return $ret;
 739         }
 740
 741         /**
 742          * Get the Database object in use
 743          *
 744          * @return Database
 745          */
 746         public function getDatabase() {
 747                 return $this->mDb;
 748         }
 749
 750         /**
 751          * Overwrite Pager function and return a helpful comment
 752          */
 753         function getSqlComment() {
 754                 if ( $this->namespace || $this->deletedOnly ) {
 755                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 756                 } else {
 757                         return 'contributions page unfiltered';
 758                 }
 759         }
 760
 761         protected function preventClickjacking() {
 762                 $this->preventClickjacking = true;
 763         }
 764
 765         public function getPreventClickjacking() {
 766                 return $this->preventClickjacking;
 767         }
 768 }