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