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                 $wgOut->addModuleStyles( 'mediawiki.special' );
  44
  45                 $this->opts = array();
  46
  47                 if( $par == 'newbies' ) {
  48                         $target = 'newbies';
  49                         $this->opts['contribs'] = 'newbie';
  50                 } elseif( isset( $par ) ) {
  51                         $target = $par;
  52                 } else {
  53                         $target = $wgRequest->getVal( 'target' );
  54                 }
  55
  56                 // check for radiobox
  57                 if( $wgRequest->getVal( 'contribs' ) == 'newbie' ) {
  58                         $target = 'newbies';
  59                         $this->opts['contribs'] = 'newbie';
  60                 }
  61
  62                 $this->opts['deletedOnly'] = $wgRequest->getBool( 'deletedOnly' );
  63
  64                 if( !strlen( $target ) ) {
  65                         $wgOut->addHTML( $this->getForm() );
  66                         return;
  67                 }
  68
  69                 $this->opts['limit'] = $wgRequest->getInt( 'limit', $wgUser->getOption('rclimit') );
  70                 $this->opts['target'] = $target;
  71                 $this->opts['topOnly'] = $wgRequest->getBool( 'topOnly' );
  72
  73                 $nt = Title::makeTitleSafe( NS_USER, $target );
  74                 if( !$nt ) {
  75                         $wgOut->addHTML( $this->getForm() );
  76                         return;
  77                 }
  78                 $id = User::idFromName( $nt->getText() );
  79
  80                 if( $target != 'newbies' ) {
  81                         $target = $nt->getText();
  82                         $wgOut->setSubtitle( $this->contributionsSub( $nt, $id ) );
  83                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsgExt( 'contributions-title', array( 'parsemag' ),$target ) ) );
  84                         $user = User::newFromName( $target, false );
  85                         if ( is_object($user) ) {
  86                                 $wgUser->getSkin()->setRelevantUser( $user );
  87                         }
  88                 } else {
  89                         $wgOut->setSubtitle( wfMsgHtml( 'sp-contributions-newbies-sub') );
  90                         $wgOut->setHTMLTitle( wfMsg( 'pagetitle', wfMsg( 'sp-contributions-newbies-title' ) ) );
  91                 }
  92
  93                 if( ( $ns = $wgRequest->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
  94                         $this->opts['namespace'] = intval( $ns );
  95                 } else {
  96                         $this->opts['namespace'] = '';
  97                 }
  98
  99                 $this->opts['tagFilter'] = (string) $wgRequest->getVal( 'tagFilter' );
 100
 101                 // Allows reverts to have the bot flag in recent changes. It is just here to
 102                 // be passed in the form at the top of the page
 103                 if( $wgUser->isAllowed( 'markbotedits' ) && $wgRequest->getBool( 'bot' ) ) {
 104                         $this->opts['bot'] = '1';
 105                 }
 106
 107                 $skip = $wgRequest->getText( 'offset' ) || $wgRequest->getText( 'dir' ) == 'prev';
 108                 # Offset overrides year/month selection
 109                 if( $skip ) {
 110                         $this->opts['year'] = '';
 111                         $this->opts['month'] = '';
 112                 } else {
 113                         $this->opts['year'] = $wgRequest->getIntOrNull( 'year' );
 114                         $this->opts['month'] = $wgRequest->getIntOrNull( 'month' );
 115                 }
 116
 117                 // Add RSS/atom links
 118                 $this->setSyndicated();
 119                 $feedType = $wgRequest->getVal( 'feed' );
 120                 if( $feedType ) {
 121                         return $this->feed( $feedType );
 122                 }
 123
 124                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
 125
 126                         $wgOut->addHTML( $this->getForm() );
 127
 128                         $pager = new ContribsPager( array(
 129                                 'target' => $target,
 130                                 'namespace' => $this->opts['namespace'],
 131                                 'year' => $this->opts['year'],
 132                                 'month' => $this->opts['month'],
 133                                 'deletedOnly' => $this->opts['deletedOnly'],
 134                                 'topOnly' => $this->opts['topOnly'],
 135                         ) );
 136                         if( !$pager->getNumRows() ) {
 137                                 $wgOut->addWikiMsg( 'nocontribs', $target );
 138                         } else {
 139                                 # Show a message about slave lag, if applicable
 140                                 if( ( $lag = $pager->getDatabase()->getLag() ) > 0 )
 141                                         $wgOut->showLagWarning( $lag );
 142
 143                                 $wgOut->addHTML(
 144                                         '<p>' . $pager->getNavigationBar() . '</p>' .
 145                                         $pager->getBody() .
 146                                         '<p>' . $pager->getNavigationBar() . '</p>'
 147                                 );
 148                         }
 149                         $wgOut->preventClickjacking( $pager->getPreventClickjacking() );
 150
 151
 152                         # Show the appropriate "footer" message - WHOIS tools, etc.
 153                         if( $target != 'newbies' ) {
 154                                 $message = 'sp-contributions-footer';
 155                                 if ( IP::isIPAddress( $target ) ) {
 156                                         $message = 'sp-contributions-footer-anon';
 157                                 } else {
 158                                         $user = User::newFromName( $target );
 159                                         if ( !$user || $user->isAnon() ) {
 160                                                 // No message for non-existing users
 161                                                 return;
 162                                         }
 163                                 }
 164
 165                                 if( !wfMessage( $message, $target )->isDisabled() ) {
 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 $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                         $tools = self::getUserLinks( $nt, $talk, $userObj, $wgUser );
 201                         $links = $wgLang->pipeList( $tools );
 202
 203                         // Show a note if the user is blocked and display the last block log entry.
 204                         if ( $userObj->isBlocked() ) {
 205                                 LogEventsList::showLogExtract(
 206                                         $wgOut,
 207                                         'block',
 208                                         $nt->getPrefixedText(),
 209                                         '',
 210                                         array(
 211                                                 'lim' => 1,
 212                                                 'showIfEmpty' => false,
 213                                                 'msgKey' => array(
 214                                                         $userObj->isAnon() ?
 215                                                                 'sp-contributions-blocked-notice-anon' :
 216                                                                 'sp-contributions-blocked-notice',
 217                                                         $nt->getText() # Support GENDER in 'sp-contributions-blocked-notice'
 218                                                 ),
 219                                                 'offset' => '' # don't use $wgRequest parameter offset
 220                                         )
 221                                 );
 222                         }
 223                 }
 224
 225                 // Old message 'contribsub' had one parameter, but that doesn't work for
 226                 // languages that want to put the "for" bit right after $user but before
 227                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
 228                 // otherwise use 'contribsub2'.
 229                 if( wfEmptyMsg( 'contribsub' ) ) {
 230                         return wfMsgHtml( 'contribsub2', $user, $links );
 231                 } else {
 232                         return wfMsgHtml( 'contribsub', "$user ($links)" );
 233                 }
 234         }
 235
 236         /**
 237          * Links to different places.
 238          * @param $userpage Title: Target user page
 239          * @param $talkpage Title: Talk page
 240          * @param $target User: Target user object
 241          * @param $subject User: The viewing user ($wgUser is still checked in some cases, like userrights page!!)
 242          */
 243         public static function getUserLinks( Title $userpage, Title $talkpage, User $target, User $subject ) {
 244
 245                 $sk = $subject->getSkin();
 246                 $id = $target->getId();
 247                 $username = $target->getName();
 248
 249                 $tools[] = $sk->link( $talkpage, wfMsgHtml( 'sp-contributions-talk' ) );
 250
 251                 if( ( $id !== null ) || ( $id === null && IP::isIPAddress( $username ) ) ) {
 252                         if( $subject->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
 253                                 if ( $target->isBlocked() ) {
 254                                         $tools[] = $sk->linkKnown( # Change block link
 255                                                 SpecialPage::getTitleFor( 'Block', $username ),
 256                                                 wfMsgHtml( 'change-blocklink' )
 257                                         );
 258                                         $tools[] = $sk->linkKnown( # Unblock link
 259                                                 SpecialPage::getTitleFor( 'Unblock', $username ),
 260                                                 wfMsgHtml( 'unblocklink' )
 261                                         );
 262                                 } else { # User is not blocked
 263                                         $tools[] = $sk->linkKnown( # Block link
 264                                                 SpecialPage::getTitleFor( 'Block', $username ),
 265                                                 wfMsgHtml( 'blocklink' )
 266                                         );
 267                                 }
 268                         }
 269                         # Block log link
 270                         $tools[] = $sk->linkKnown(
 271                                 SpecialPage::getTitleFor( 'Log' ),
 272                                 wfMsgHtml( 'sp-contributions-blocklog' ),
 273                                 array(),
 274                                 array(
 275                                         'type' => 'block',
 276                                         'page' => $userpage->getPrefixedText()
 277                                 )
 278                         );
 279                 }
 280                 # Uploads
 281                 $tools[] = $sk->linkKnown(
 282                         SpecialPage::getTitleFor( 'Listfiles', $username ),
 283                         wfMsgHtml( 'sp-contributions-uploads' )
 284                 );
 285
 286                 # Other logs link
 287                 $tools[] = $sk->linkKnown(
 288                         SpecialPage::getTitleFor( 'Log' ),
 289                         wfMsgHtml( 'sp-contributions-logs' ),
 290                         array(),
 291                         array( 'user' => $username )
 292                 );
 293
 294                 # Add link to deleted user contributions for priviledged users
 295                 if( $subject->isAllowed( 'deletedhistory' ) ) {
 296                         $tools[] = $sk->linkKnown(
 297                                 SpecialPage::getTitleFor( 'DeletedContributions', $username ),
 298                                 wfMsgHtml( 'sp-contributions-deleted' )
 299                         );
 300                 }
 301
 302                 # Add a link to change user rights for privileged users
 303                 $userrightsPage = new UserrightsPage();
 304                 if( $id !== null && $userrightsPage->userCanChangeRights( $target ) ) {
 305                         $tools[] = $sk->linkKnown(
 306                                 SpecialPage::getTitleFor( 'Userrights', $username ),
 307                                 wfMsgHtml( 'sp-contributions-userrights' )
 308                         );
 309                 }
 310
 311                 wfRunHooks( 'ContributionsToolLinks', array( $id, $userpage, &$tools ) );
 312                 return $tools;
 313         }
 314
 315         /**
 316          * Generates the namespace selector form with hidden attributes.
 317          * @return String: HTML fragment
 318          */
 319         protected function getForm() {
 320                 global $wgScript;
 321
 322                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
 323                 if( !isset( $this->opts['target'] ) ) {
 324                         $this->opts['target'] = '';
 325                 } else {
 326                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
 327                 }
 328
 329                 if( !isset( $this->opts['namespace'] ) ) {
 330                         $this->opts['namespace'] = '';
 331                 }
 332
 333                 if( !isset( $this->opts['contribs'] ) ) {
 334                         $this->opts['contribs'] = 'user';
 335                 }
 336
 337                 if( !isset( $this->opts['year'] ) ) {
 338                         $this->opts['year'] = '';
 339                 }
 340
 341                 if( !isset( $this->opts['month'] ) ) {
 342                         $this->opts['month'] = '';
 343                 }
 344
 345                 if( $this->opts['contribs'] == 'newbie' ) {
 346                         $this->opts['target'] = '';
 347                 }
 348
 349                 if( !isset( $this->opts['tagFilter'] ) ) {
 350                         $this->opts['tagFilter'] = '';
 351                 }
 352
 353                 if( !isset( $this->opts['topOnly'] ) ) {
 354                         $this->opts['topOnly'] = false;
 355                 }
 356
 357                 $f = Xml::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
 358
 359                 # Add hidden params for tracking except for parameters in $skipParameters
 360                 $skipParameters = array( 'namespace', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly' );
 361                 foreach ( $this->opts as $name => $value ) {
 362                         if( in_array( $name, $skipParameters ) ) {
 363                                 continue;
 364                         }
 365                         $f .= "\t" . Html::hidden( $name, $value ) . "\n";
 366                 }
 367
 368                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagFilter'] );
 369
 370                 $f .=   Xml::fieldset( wfMsg( 'sp-contributions-search' ) ) .
 371                         Xml::radioLabel( wfMsgExt( 'sp-contributions-newbies', array( 'parsemag' ) ),
 372                                 'contribs', 'newbie' , 'newbie', $this->opts['contribs'] == 'newbie' ) . '<br />' .
 373                         Xml::radioLabel( wfMsgExt( 'sp-contributions-username', array( 'parsemag' ) ),
 374                                 'contribs' , 'user', 'user', $this->opts['contribs'] == 'user' ) . ' ' .
 375                         Html::input( 'target', $this->opts['target'], 'text', array(
 376                                 'size' => '20',
 377                                 'required' => ''
 378                         ) + ( $this->opts['target'] ? array() : array( 'autofocus' ) ) ) . ' '.
 379                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
 380                                 Xml::label( wfMsg( 'namespace' ), 'namespace' ) . ' ' .
 381                                 Xml::namespaceSelector( $this->opts['namespace'], '' )
 382                         ) .
 383                         Xml::checkLabel( wfMsg( 'history-show-deleted' ),
 384                                 'deletedOnly', 'mw-show-deleted-only', $this->opts['deletedOnly'] ) . '<br />' .
 385                         Xml::tags( 'p', null, Xml::checkLabel( wfMsg( 'sp-contributions-toponly' ),
 386                                 'topOnly', 'mw-show-top-only', $this->opts['topOnly'] ) ) .
 387                         ( $tagFilter ? Xml::tags( 'p', null, implode( '&#160;', $tagFilter ) ) : '' ) .
 388                         Html::rawElement( 'p', array( 'style' => 'white-space: nowrap' ),
 389                                 Xml::dateMenu( $this->opts['year'], $this->opts['month'] ) . ' ' .
 390                                 Xml::submitButton( wfMsg( 'sp-contributions-submit' ) )
 391                         ) . ' ';
 392                 $explain = wfMsgExt( 'sp-contributions-explain', 'parseinline' );
 393                 if( !wfEmptyMsg( 'sp-contributions-explain' ) ) {
 394                         $f .= "<p id='mw-sp-contributions-explain'>{$explain}</p>";
 395                 }
 396                 $f .= Xml::closeElement('fieldset' ) .
 397                         Xml::closeElement( 'form' );
 398                 return $f;
 399         }
 400
 401         /**
 402          * Output a subscription feed listing recent edits to this page.
 403          * @param $type String
 404          */
 405         protected function feed( $type ) {
 406                 global $wgFeed, $wgFeedClasses, $wgFeedLimit, $wgOut;
 407
 408                 if( !$wgFeed ) {
 409                         $wgOut->addWikiMsg( 'feed-unavailable' );
 410                         return;
 411                 }
 412
 413                 if( !isset( $wgFeedClasses[$type] ) ) {
 414                         $wgOut->addWikiMsg( 'feed-invalid' );
 415                         return;
 416                 }
 417
 418                 $feed = new $wgFeedClasses[$type](
 419                         $this->feedTitle(),
 420                         wfMsgExt( 'tagline', 'parsemag' ),
 421                         $this->getTitle()->getFullUrl() . "/" . urlencode($this->opts['target'])
 422                 );
 423
 424                 // Already valid title
 425                 $nt = Title::makeTitleSafe( NS_USER, $this->opts['target'] );
 426                 $target = $this->opts['target'] == 'newbies' ? 'newbies' : $nt->getText();
 427
 428                 $pager = new ContribsPager( array(
 429                         'target' => $target,
 430                         'namespace' => $this->opts['namespace'],
 431                         'year' => $this->opts['year'],
 432                         'month' => $this->opts['month'],
 433                         'tagFilter' => $this->opts['tagFilter'],
 434                         'deletedOnly' => $this->opts['deletedOnly'],
 435                         'topOnly' => $this->opts['topOnly'],
 436                 ) );
 437
 438                 $pager->mLimit = min( $this->opts['limit'], $wgFeedLimit );
 439
 440                 $feed->outHeader();
 441                 if( $pager->getNumRows() > 0 ) {
 442                         foreach ( $pager->mResult as $row ) {
 443                                 $feed->outItem( $this->feedItem( $row ) );
 444                         }
 445                 }
 446                 $feed->outFooter();
 447         }
 448
 449         protected function feedTitle() {
 450                 global $wgLanguageCode, $wgSitename;
 451                 $desc = $this->getDescription();
 452                 return "$wgSitename - $desc [$wgLanguageCode]";
 453         }
 454
 455         protected function feedItem( $row ) {
 456                 $title = Title::MakeTitle( intval( $row->page_namespace ), $row->page_title );
 457                 if( $title ) {
 458                         $date = $row->rev_timestamp;
 459                         $comments = $title->getTalkPage()->getFullURL();
 460                         $revision = Revision::newFromTitle( $title, $row->rev_id );
 461
 462                         return new FeedItem(
 463                                 $title->getPrefixedText(),
 464                                 $this->feedItemDesc( $revision ),
 465                                 $title->getFullURL(),
 466                                 $date,
 467                                 $this->feedItemAuthor( $revision ),
 468                                 $comments
 469                         );
 470                 } else {
 471                         return null;
 472                 }
 473         }
 474
 475         /**
 476          * @param $revision Revision
 477          * @return string
 478          */
 479         protected function feedItemAuthor( $revision ) {
 480                 return $revision->getUserText();
 481         }
 482
 483         /**
 484          * @param $revision Revision
 485          * @return string
 486          */
 487         protected function feedItemDesc( $revision ) {
 488                 if( $revision ) {
 489                         return '<p>' . htmlspecialchars( $revision->getUserText() ) . wfMsgForContent( 'colon-separator' ) .
 490                                 htmlspecialchars( FeedItem::stripComment( $revision->getComment() ) ) .
 491                                 "</p>\n<hr />\n<div>" .
 492                                 nl2br( htmlspecialchars( $revision->getText() ) ) . "</div>";
 493                 }
 494                 return '';
 495         }
 496 }
 497
 498 /**
 499  * Pager for Special:Contributions
 500  * @ingroup SpecialPage Pager
 501  */
 502 class ContribsPager extends ReverseChronologicalPager {
 503         public $mDefaultDirection = true;
 504         var $messages, $target;
 505         var $namespace = '', $mDb;
 506         var $preventClickjacking = false;
 507
 508         function __construct( $options ) {
 509                 parent::__construct();
 510
 511                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
 512
 513                 foreach( $msgs as $msg ) {
 514                         $this->messages[$msg] = wfMsgExt( $msg, array( 'escapenoentities' ) );
 515                 }
 516
 517                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
 518                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
 519                 $this->tagFilter = isset( $options['tagFilter'] ) ? $options['tagFilter'] : false;
 520
 521                 $this->deletedOnly = !empty( $options['deletedOnly'] );
 522                 $this->topOnly = !empty( $options['topOnly'] );
 523
 524                 $year = isset( $options['year'] ) ? $options['year'] : false;
 525                 $month = isset( $options['month'] ) ? $options['month'] : false;
 526                 $this->getDateCond( $year, $month );
 527
 528                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
 529         }
 530
 531         function getDefaultQuery() {
 532                 $query = parent::getDefaultQuery();
 533                 $query['target'] = $this->target;
 534                 return $query;
 535         }
 536
 537         function getQueryInfo() {
 538                 global $wgUser;
 539                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
 540
 541                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
 542                 // Paranoia: avoid brute force searches (bug 17342)
 543                 if( !$wgUser->isAllowed( 'deletedhistory' ) ) {
 544                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::DELETED_USER) . ' = 0';
 545                 } else if( !$wgUser->isAllowed( 'suppressrevision' ) ) {
 546                         $conds[] = $this->mDb->bitAnd('rev_deleted',Revision::SUPPRESSED_USER) .
 547                                 ' != ' . Revision::SUPPRESSED_USER;
 548                 }
 549                 $join_cond['page'] = array( 'INNER JOIN', 'page_id=rev_page' );
 550
 551                 $queryInfo = array(
 552                         'tables' => $tables,
 553                         'fields' => array(
 554                                 'page_namespace', 'page_title', 'page_is_new', 'page_latest', 'page_is_redirect',
 555                                 'page_len','rev_id', 'rev_page', 'rev_text_id', 'rev_timestamp', 'rev_comment',
 556                                 'rev_minor_edit', 'rev_user', 'rev_user_text', 'rev_parent_id', 'rev_deleted'
 557                         ),
 558                         'conds' => $conds,
 559                         'options' => array( 'USE INDEX' => array('revision' => $index) ),
 560                         'join_conds' => $join_cond
 561                 );
 562
 563                 ChangeTags::modifyDisplayQuery(
 564                         $queryInfo['tables'],
 565                         $queryInfo['fields'],
 566                         $queryInfo['conds'],
 567                         $queryInfo['join_conds'],
 568                         $queryInfo['options'],
 569                         $this->tagFilter
 570                 );
 571
 572                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
 573                 return $queryInfo;
 574         }
 575
 576         function getUserCond() {
 577                 $condition = array();
 578                 $join_conds = array();
 579                 if( $this->target == 'newbies' ) {
 580                         $tables = array( 'user_groups', 'page', 'revision' );
 581                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
 582                         $condition[] = 'rev_user >' . (int)($max - $max / 100);
 583                         $condition[] = 'ug_group IS NULL';
 584                         $index = 'user_timestamp';
 585                         # FIXME: other groups may have 'bot' rights
 586                         $join_conds['user_groups'] = array( 'LEFT JOIN', "ug_user = rev_user AND ug_group = 'bot'" );
 587                 } else {
 588                         $tables = array( 'page', 'revision' );
 589                         $condition['rev_user_text'] = $this->target;
 590                         $index = 'usertext_timestamp';
 591                 }
 592                 if( $this->deletedOnly ) {
 593                         $condition[] = "rev_deleted != '0'";
 594                 }
 595                 if( $this->topOnly ) {
 596                         $condition[] = "rev_id = page_latest";
 597                 }
 598                 return array( $tables, $index, $condition, $join_conds );
 599         }
 600
 601         function getNamespaceCond() {
 602                 if( $this->namespace !== '' ) {
 603                         return array( 'page_namespace' => (int)$this->namespace );
 604                 } else {
 605                         return array();
 606                 }
 607         }
 608
 609         function getIndexField() {
 610                 return 'rev_timestamp';
 611         }
 612
 613         function getStartBody() {
 614                 return "<ul>\n";
 615         }
 616
 617         function getEndBody() {
 618                 return "</ul>\n";
 619         }
 620
 621         /**
 622          * Generates each row in the contributions list.
 623          *
 624          * Contributions which are marked "top" are currently on top of the history.
 625          * For these contributions, a [rollback] link is shown for users with roll-
 626          * back privileges. The rollback link restores the most recent version that
 627          * was not written by the target user.
 628          *
 629          * @todo This would probably look a lot nicer in a table.
 630          */
 631         function formatRow( $row ) {
 632                 global $wgUser, $wgLang, $wgContLang;
 633                 wfProfileIn( __METHOD__ );
 634
 635                 $sk = $this->getSkin();
 636                 $rev = new Revision( $row );
 637                 $classes = array();
 638
 639                 $page = Title::newFromRow( $row );
 640                 $link = $sk->link(
 641                         $page,
 642                         htmlspecialchars( $page->getPrefixedText() ),
 643                         array(),
 644                         $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
 645                 );
 646                 # Mark current revisions
 647                 $topmarktext = '';
 648                 if( $row->rev_id == $row->page_latest ) {
 649                         $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
 650                         # Add rollback link
 651                         if( !$row->page_is_new && $page->quickUserCan( 'rollback' )
 652                                 && $page->quickUserCan( 'edit' ) )
 653                         {
 654                                 $this->preventClickjacking();
 655                                 $topmarktext .= ' '.$sk->generateRollback( $rev );
 656                         }
 657                 }
 658                 # Is there a visible previous revision?
 659                 if( $rev->userCan( Revision::DELETED_TEXT ) && $rev->getParentId() !== 0 ) {
 660                         $difftext = $sk->linkKnown(
 661                                 $page,
 662                                 $this->messages['diff'],
 663                                 array(),
 664                                 array(
 665                                         'diff' => 'prev',
 666                                         'oldid' => $row->rev_id
 667                                 )
 668                         );
 669                 } else {
 670                         $difftext = $this->messages['diff'];
 671                 }
 672                 $histlink = $sk->linkKnown(
 673                         $page,
 674                         $this->messages['hist'],
 675                         array(),
 676                         array( 'action' => 'history' )
 677                 );
 678
 679                 $comment = $wgContLang->getDirMark() . $sk->revComment( $rev, false, true );
 680                 $date = $wgLang->timeanddate( wfTimestamp( TS_MW, $row->rev_timestamp ), true );
 681                 if( $rev->userCan( Revision::DELETED_TEXT ) ) {
 682                         $d = $sk->linkKnown(
 683                                 $page,
 684                                 htmlspecialchars($date),
 685                                 array(),
 686                                 array( 'oldid' => intval( $row->rev_id ) )
 687                         );
 688                 } else {
 689                         $d = htmlspecialchars( $date );
 690                 }
 691                 if( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
 692                         $d = '<span class="history-deleted">' . $d . '</span>';
 693                 }
 694
 695                 if( $this->target == 'newbies' ) {
 696                         $userlink = ' . . ' . $sk->userLink( $row->rev_user, $row->rev_user_text );
 697                         $userlink .= ' ' . wfMsg( 'parentheses', $sk->userTalkLink( $row->rev_user, $row->rev_user_text ) ) . ' ';
 698                 } else {
 699                         $userlink = '';
 700                 }
 701
 702                 if( $rev->getParentId() === 0 ) {
 703                         $nflag = ChangesList::flag( 'newpage' );
 704                 } else {
 705                         $nflag = '';
 706                 }
 707
 708                 if( $rev->isMinor() ) {
 709                         $mflag = ChangesList::flag( 'minor' );
 710                 } else {
 711                         $mflag = '';
 712                 }
 713
 714                 // Don't show useless link to people who cannot hide revisions
 715                 $canHide = $wgUser->isAllowed( 'deleterevision' );
 716                 if( $canHide || ($rev->getVisibility() && $wgUser->isAllowed('deletedhistory')) ) {
 717                         if( !$rev->userCan( Revision::DELETED_RESTRICTED ) ) {
 718                                 $del = $this->mSkin->revDeleteLinkDisabled( $canHide ); // revision was hidden from sysops
 719                         } else {
 720                                 $query = array(
 721                                         'type'   => 'revision',
 722                                         'target' => $page->getPrefixedDbkey(),
 723                                         'ids'    => $rev->getId()
 724                                 );
 725                                 $del = $this->mSkin->revDeleteLink( $query,
 726                                         $rev->isDeleted( Revision::DELETED_RESTRICTED ), $canHide );
 727                         }
 728                         $del .= ' ';
 729                 } else {
 730                         $del = '';
 731                 }
 732
 733                 $diffHistLinks = '(' . $difftext . $this->messages['pipe-separator'] . $histlink . ')';
 734                 $ret = "{$del}{$d} {$diffHistLinks} {$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
 735
 736                 # Denote if username is redacted for this edit
 737                 if( $rev->isDeleted( Revision::DELETED_USER ) ) {
 738                         $ret .= " <strong>" . wfMsgHtml('rev-deleted-user-contribs') . "</strong>";
 739                 }
 740
 741                 # Tags, if any.
 742                 list($tagSummary, $newClasses) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
 743                 $classes = array_merge( $classes, $newClasses );
 744                 $ret .= " $tagSummary";
 745
 746                 // Let extensions add data
 747                 wfRunHooks( 'ContributionsLineEnding', array( &$this, &$ret, $row ) );
 748
 749                 $classes = implode( ' ', $classes );
 750                 $ret = "<li class=\"$classes\">$ret</li>\n";
 751                 wfProfileOut( __METHOD__ );
 752                 return $ret;
 753         }
 754
 755         /**
 756          * Get the Database object in use
 757          *
 758          * @return DatabaseBase
 759          */
 760         public function getDatabase() {
 761                 return $this->mDb;
 762         }
 763
 764         /**
 765          * Overwrite Pager function and return a helpful comment
 766          */
 767         function getSqlComment() {
 768                 if ( $this->namespace || $this->deletedOnly ) {
 769                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
 770                 } else {
 771                         return 'contributions page unfiltered';
 772                 }
 773         }
 774
 775         protected function preventClickjacking() {
 776                 $this->preventClickjacking = true;
 777         }
 778
 779         public function getPreventClickjacking() {
 780                 return $this->preventClickjacking;
 781         }
 782 }