includes/specials/SpecialContributions.php

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