MediaWiki  master
SpecialContributions.php
Go to the documentation of this file.
00001 <?php
00030 class SpecialContributions extends SpecialPage {
00031 
00032         protected $opts;
00033 
00034         public function __construct() {
00035                 parent::__construct( 'Contributions' );
00036         }
00037 
00038         public function execute( $par ) {
00039                 $this->setHeaders();
00040                 $this->outputHeader();
00041                 $out = $this->getOutput();
00042                 $out->addModuleStyles( 'mediawiki.special' );
00043 
00044                 $this->opts = array();
00045                 $request = $this->getRequest();
00046 
00047                 if ( $par !== null ) {
00048                         $target = $par;
00049                 } else {
00050                         $target = $request->getVal( 'target' );
00051                 }
00052 
00053                 // check for radiobox
00054                 if ( $request->getVal( 'contribs' ) == 'newbie' ) {
00055                         $target = 'newbies';
00056                         $this->opts['contribs'] = 'newbie';
00057                 } elseif ( $par === 'newbies' ) { // b/c for WMF
00058                         $target = 'newbies';
00059                         $this->opts['contribs'] = 'newbie';
00060                 } else {
00061                         $this->opts['contribs'] = 'user';
00062                 }
00063 
00064                 $this->opts['deletedOnly'] = $request->getBool( 'deletedOnly' );
00065 
00066                 if ( !strlen( $target ) ) {
00067                         $out->addHTML( $this->getForm() );
00068                         return;
00069                 }
00070 
00071                 $user = $this->getUser();
00072 
00073                 $this->opts['limit'] = $request->getInt( 'limit', $user->getOption( 'rclimit' ) );
00074                 $this->opts['target'] = $target;
00075                 $this->opts['topOnly'] = $request->getBool( 'topOnly' );
00076 
00077                 $nt = Title::makeTitleSafe( NS_USER, $target );
00078                 if ( !$nt ) {
00079                         $out->addHTML( $this->getForm() );
00080                         return;
00081                 }
00082                 $userObj = User::newFromName( $nt->getText(), false );
00083                 if ( !$userObj ) {
00084                         $out->addHTML( $this->getForm() );
00085                         return;
00086                 }
00087                 $id = $userObj->getID();
00088 
00089                 if ( $this->opts['contribs'] != 'newbie' ) {
00090                         $target = $nt->getText();
00091                         $out->addSubtitle( $this->contributionsSub( $userObj ) );
00092                         $out->setHTMLTitle( $this->msg( 'pagetitle', $this->msg( 'contributions-title', $target )->plain() ) );
00093                         $this->getSkin()->setRelevantUser( $userObj );
00094                 } else {
00095                         $out->addSubtitle( $this->msg( 'sp-contributions-newbies-sub' ) );
00096                         $out->setHTMLTitle( $this->msg( 'pagetitle', $this->msg( 'sp-contributions-newbies-title' )->plain() ) );
00097                 }
00098 
00099                 if ( ( $ns = $request->getVal( 'namespace', null ) ) !== null && $ns !== '' ) {
00100                         $this->opts['namespace'] = intval( $ns );
00101                 } else {
00102                         $this->opts['namespace'] = '';
00103                 }
00104 
00105                 $this->opts['associated'] = $request->getBool( 'associated' );
00106 
00107                 $this->opts['nsInvert'] = (bool) $request->getVal( 'nsInvert' );
00108 
00109                 $this->opts['tagfilter'] = (string) $request->getVal( 'tagfilter' );
00110 
00111                 // Allows reverts to have the bot flag in recent changes. It is just here to
00112                 // be passed in the form at the top of the page
00113                 if ( $user->isAllowed( 'markbotedits' ) && $request->getBool( 'bot' ) ) {
00114                         $this->opts['bot'] = '1';
00115                 }
00116 
00117                 $skip = $request->getText( 'offset' ) || $request->getText( 'dir' ) == 'prev';
00118                 # Offset overrides year/month selection
00119                 if ( $skip ) {
00120                         $this->opts['year'] = '';
00121                         $this->opts['month'] = '';
00122                 } else {
00123                         $this->opts['year'] = $request->getIntOrNull( 'year' );
00124                         $this->opts['month'] = $request->getIntOrNull( 'month' );
00125                 }
00126 
00127                 $feedType = $request->getVal( 'feed' );
00128                 if ( $feedType ) {
00129                         // Maintain some level of backwards compatability
00130                         // If people request feeds using the old parameters, redirect to API
00131                         $apiParams = array(
00132                                 'action' => 'feedcontributions',
00133                                 'feedformat' => $feedType,
00134                                 'user' => $target,
00135                         );
00136                         if ( $this->opts['topOnly'] ) {
00137                                 $apiParams['toponly'] = true;
00138                         }
00139                         if ( $this->opts['deletedOnly'] ) {
00140                                 $apiParams['deletedonly'] = true;
00141                         }
00142                         if ( $this->opts['tagfilter'] !== '' ) {
00143                                 $apiParams['tagfilter'] = $this->opts['tagfilter'];
00144                         }
00145                         if ( $this->opts['namespace'] !== '' ) {
00146                                 $apiParams['namespace'] = $this->opts['namespace'];
00147                         }
00148                         if ( $this->opts['year'] !== null ) {
00149                                 $apiParams['year'] = $this->opts['year'];
00150                         }
00151                         if ( $this->opts['month'] !== null ) {
00152                                 $apiParams['month'] = $this->opts['month'];
00153                         }
00154 
00155                         $url = wfScript( 'api' ) . '?' . wfArrayToCGI( $apiParams );
00156 
00157                         $out->redirect( $url, '301' );
00158                         return;
00159                 }
00160 
00161                 // Add RSS/atom links
00162                 $this->addFeedLinks( array( 'action' => 'feedcontributions', 'user' => $target ) );
00163 
00164                 if ( wfRunHooks( 'SpecialContributionsBeforeMainOutput', array( $id ) ) ) {
00165 
00166                         $out->addHTML( $this->getForm() );
00167 
00168                         $pager = new ContribsPager( $this->getContext(), array(
00169                                 'target' => $target,
00170                                 'contribs' => $this->opts['contribs'],
00171                                 'namespace' => $this->opts['namespace'],
00172                                 'year' => $this->opts['year'],
00173                                 'month' => $this->opts['month'],
00174                                 'deletedOnly' => $this->opts['deletedOnly'],
00175                                 'topOnly' => $this->opts['topOnly'],
00176                                 'nsInvert' => $this->opts['nsInvert'],
00177                                 'associated' => $this->opts['associated'],
00178                         ) );
00179                         if ( !$pager->getNumRows() ) {
00180                                 $out->addWikiMsg( 'nocontribs', $target );
00181                         } else {
00182                                 # Show a message about slave lag, if applicable
00183                                 $lag = wfGetLB()->safeGetLag( $pager->getDatabase() );
00184                                 if ( $lag > 0 )
00185                                         $out->showLagWarning( $lag );
00186 
00187                                 $out->addHTML(
00188                                         '<p>' . $pager->getNavigationBar() . '</p>' .
00189                                         $pager->getBody() .
00190                                         '<p>' . $pager->getNavigationBar() . '</p>'
00191                                 );
00192                         }
00193                         $out->preventClickjacking( $pager->getPreventClickjacking() );
00194 
00195 
00196                         # Show the appropriate "footer" message - WHOIS tools, etc.
00197                         if ( $this->opts['contribs'] == 'newbie' ) {
00198                                 $message = 'sp-contributions-footer-newbies';
00199                         } elseif( IP::isIPAddress( $target ) ) {
00200                                 $message = 'sp-contributions-footer-anon';
00201                         } elseif( $userObj->isAnon() ) {
00202                                 // No message for non-existing users
00203                                 $message = '';
00204                         } else {
00205                                 $message = 'sp-contributions-footer';
00206                         }
00207 
00208                         if( $message ) {
00209                                 if ( !$this->msg( $message, $target )->isDisabled() ) {
00210                                         $out->wrapWikiMsg(
00211                                                 "<div class='mw-contributions-footer'>\n$1\n</div>",
00212                                                 array( $message, $target ) );
00213                                 }
00214                         }
00215                 }
00216         }
00217 
00224         protected function contributionsSub( $userObj ) {
00225                 if ( $userObj->isAnon() ) {
00226                         $user = htmlspecialchars( $userObj->getName() );
00227                 } else {
00228                         $user = Linker::link( $userObj->getUserPage(), htmlspecialchars( $userObj->getName() ) );
00229                 }
00230                 $nt = $userObj->getUserPage();
00231                 $talk = $userObj->getTalkPage();
00232                 $links = '';
00233                 if ( $talk ) {
00234                         $tools = $this->getUserLinks( $nt, $talk, $userObj );
00235                         $links = $this->getLanguage()->pipeList( $tools );
00236 
00237                         // Show a note if the user is blocked and display the last block log entry.
00238                         // Do not expose the autoblocks, since that may lead to a leak of accounts' IPs,
00239                         // and also this will display a totally irrelevant log entry as a current block.
00240                         if ( $userObj->isBlocked() && $userObj->getBlock()->getType() != Block::TYPE_AUTO ) {
00241                                 $out = $this->getOutput(); // showLogExtract() wants first parameter by reference
00242                                 LogEventsList::showLogExtract(
00243                                         $out,
00244                                         'block',
00245                                         $nt,
00246                                         '',
00247                                         array(
00248                                                 'lim' => 1,
00249                                                 'showIfEmpty' => false,
00250                                                 'msgKey' => array(
00251                                                         $userObj->isAnon() ?
00252                                                                 'sp-contributions-blocked-notice-anon' :
00253                                                                 'sp-contributions-blocked-notice',
00254                                                         $userObj->getName() # Support GENDER in 'sp-contributions-blocked-notice'
00255                                                 ),
00256                                                 'offset' => '' # don't use WebRequest parameter offset
00257                                         )
00258                                 );
00259                         }
00260                 }
00261 
00262                 // Old message 'contribsub' had one parameter, but that doesn't work for
00263                 // languages that want to put the "for" bit right after $user but before
00264                 // $links.  If 'contribsub' is around, use it for reverse compatibility,
00265                 // otherwise use 'contribsub2'.
00266                 // @todo Should this be removed at some point?
00267                 $oldMsg = $this->msg( 'contribsub' );
00268                 if ( $oldMsg->exists() ) {
00269                         $linksWithParentheses = $this->msg( 'parentheses' )->rawParams( $links )->escaped();
00270                         return $oldMsg->rawParams( "$user $linksWithParentheses" );
00271                 } else {
00272                         return $this->msg( 'contribsub2' )->rawParams( $user, $links );
00273                 }
00274         }
00275 
00283         public function getUserLinks( Title $userpage, Title $talkpage, User $target ) {
00284 
00285                 $id = $target->getId();
00286                 $username = $target->getName();
00287 
00288                 $tools[] = Linker::link( $talkpage, $this->msg( 'sp-contributions-talk' )->escaped() );
00289 
00290                 if ( ( $id !== null ) || ( $id === null && IP::isIPAddress( $username ) ) ) {
00291                         if ( $this->getUser()->isAllowed( 'block' ) ) { # Block / Change block / Unblock links
00292                                 if ( $target->isBlocked() ) {
00293                                         $tools[] = Linker::linkKnown( # Change block link
00294                                                 SpecialPage::getTitleFor( 'Block', $username ),
00295                                                 $this->msg( 'change-blocklink' )->escaped()
00296                                         );
00297                                         $tools[] = Linker::linkKnown( # Unblock link
00298                                                 SpecialPage::getTitleFor( 'Unblock', $username ),
00299                                                 $this->msg( 'unblocklink' )->escaped()
00300                                         );
00301                                 } else { # User is not blocked
00302                                         $tools[] = Linker::linkKnown( # Block link
00303                                                 SpecialPage::getTitleFor( 'Block', $username ),
00304                                                 $this->msg( 'blocklink' )->escaped()
00305                                         );
00306                                 }
00307                         }
00308                         # Block log link
00309                         $tools[] = Linker::linkKnown(
00310                                 SpecialPage::getTitleFor( 'Log', 'block' ),
00311                                 $this->msg( 'sp-contributions-blocklog' )->escaped(),
00312                                 array(),
00313                                 array(
00314                                         'page' => $userpage->getPrefixedText()
00315                                 )
00316                         );
00317                 }
00318                 # Uploads
00319                 $tools[] = Linker::linkKnown(
00320                         SpecialPage::getTitleFor( 'Listfiles', $username ),
00321                         $this->msg( 'sp-contributions-uploads' )->escaped()
00322                 );
00323 
00324                 # Other logs link
00325                 $tools[] = Linker::linkKnown(
00326                         SpecialPage::getTitleFor( 'Log', $username ),
00327                         $this->msg( 'sp-contributions-logs' )->escaped()
00328                 );
00329 
00330                 # Add link to deleted user contributions for priviledged users
00331                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
00332                         $tools[] = Linker::linkKnown(
00333                                 SpecialPage::getTitleFor( 'DeletedContributions', $username ),
00334                                 $this->msg( 'sp-contributions-deleted' )->escaped()
00335                         );
00336                 }
00337 
00338                 # Add a link to change user rights for privileged users
00339                 $userrightsPage = new UserrightsPage();
00340                 $userrightsPage->setContext( $this->getContext() );
00341                 if ( $userrightsPage->userCanChangeRights( $target ) ) {
00342                         $tools[] = Linker::linkKnown(
00343                                 SpecialPage::getTitleFor( 'Userrights', $username ),
00344                                 $this->msg( 'sp-contributions-userrights' )->escaped()
00345                         );
00346                 }
00347 
00348                 wfRunHooks( 'ContributionsToolLinks', array( $id, $userpage, &$tools ) );
00349                 return $tools;
00350         }
00351 
00356         protected function getForm() {
00357                 global $wgScript;
00358 
00359                 $this->opts['title'] = $this->getTitle()->getPrefixedText();
00360                 if ( !isset( $this->opts['target'] ) ) {
00361                         $this->opts['target'] = '';
00362                 } else {
00363                         $this->opts['target'] = str_replace( '_' , ' ' , $this->opts['target'] );
00364                 }
00365 
00366                 if ( !isset( $this->opts['namespace'] ) ) {
00367                         $this->opts['namespace'] = '';
00368                 }
00369 
00370                 if ( !isset( $this->opts['nsInvert'] ) ) {
00371                         $this->opts['nsInvert'] = '';
00372                 }
00373 
00374                 if ( !isset( $this->opts['associated'] ) ) {
00375                         $this->opts['associated'] = false;
00376                 }
00377 
00378                 if ( !isset( $this->opts['contribs'] ) ) {
00379                         $this->opts['contribs'] = 'user';
00380                 }
00381 
00382                 if ( !isset( $this->opts['year'] ) ) {
00383                         $this->opts['year'] = '';
00384                 }
00385 
00386                 if ( !isset( $this->opts['month'] ) ) {
00387                         $this->opts['month'] = '';
00388                 }
00389 
00390                 if ( $this->opts['contribs'] == 'newbie' ) {
00391                         $this->opts['target'] = '';
00392                 }
00393 
00394                 if ( !isset( $this->opts['tagfilter'] ) ) {
00395                         $this->opts['tagfilter'] = '';
00396                 }
00397 
00398                 if ( !isset( $this->opts['topOnly'] ) ) {
00399                         $this->opts['topOnly'] = false;
00400                 }
00401 
00402                 $form = Html::openElement( 'form', array( 'method' => 'get', 'action' => $wgScript, 'class' => 'mw-contributions-form' ) );
00403 
00404                 # Add hidden params for tracking except for parameters in $skipParameters
00405                 $skipParameters = array( 'namespace', 'nsInvert', 'deletedOnly', 'target', 'contribs', 'year', 'month', 'topOnly', 'associated' );
00406                 foreach ( $this->opts as $name => $value ) {
00407                         if ( in_array( $name, $skipParameters ) ) {
00408                                 continue;
00409                         }
00410                         $form .= "\t" . Html::hidden( $name, $value ) . "\n";
00411                 }
00412 
00413                 $tagFilter = ChangeTags::buildTagFilterSelector( $this->opts['tagfilter'] );
00414 
00415                 if ( $tagFilter ) {
00416                         $filterSelection =
00417                                 Html::rawElement( 'td', array( 'class' => 'mw-label' ), array_shift( $tagFilter ) ) .
00418                                 Html::rawElement( 'td', array( 'class' => 'mw-input' ), implode( '&#160', $tagFilter ) );
00419                 } else {
00420                         $filterSelection = Html::rawElement( 'td', array( 'colspan' => 2 ), '' );
00421                 }
00422 
00423                 $targetSelection = Html::rawElement( 'td', array( 'colspan' => 2 ),
00424                         Xml::radioLabel(
00425                                 $this->msg( 'sp-contributions-newbies' )->text(),
00426                                 'contribs',
00427                                 'newbie' ,
00428                                 'newbie',
00429                                 $this->opts['contribs'] == 'newbie',
00430                                 array( 'class' => 'mw-input' )
00431                         ) . '<br />' .
00432                         Xml::radioLabel(
00433                                 $this->msg( 'sp-contributions-username' )->text(),
00434                                 'contribs',
00435                                 'user',
00436                                 'user',
00437                                 $this->opts['contribs'] == 'user',
00438                                 array( 'class' => 'mw-input' )
00439                         ) . ' ' .
00440                         Html::input(
00441                                 'target',
00442                                 $this->opts['target'],
00443                                 'text',
00444                                 array( 'size' => '40', 'required' => '', 'class' => 'mw-input' ) +
00445                                         ( $this->opts['target'] ? array() : array( 'autofocus' )
00446                                 )
00447                         ) . ' '
00448                 ) ;
00449 
00450                 $namespaceSelection =
00451                         Xml::tags( 'td', array( 'class' => 'mw-label' ),
00452                                 Xml::label(
00453                                         $this->msg( 'namespace' )->text(),
00454                                         'namespace',
00455                                         ''
00456                                 )
00457                         ) .
00458                         Html::rawElement( 'td', null,
00459                                 Html::namespaceSelector( array(
00460                                         'selected' => $this->opts['namespace'],
00461                                         'all'      => '',
00462                                 ), array(
00463                                         'name'  => 'namespace',
00464                                         'id'    => 'namespace',
00465                                         'class' => 'namespaceselector',
00466                                 ) ) .
00467                                 '&#160;' .
00468                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
00469                                         Xml::checkLabel(
00470                                                 $this->msg( 'invert' )->text(),
00471                                                 'nsInvert',
00472                                                 'nsInvert',
00473                                                 $this->opts['nsInvert'],
00474                                                 array( 'title' => $this->msg( 'tooltip-invert' )->text(), 'class' => 'mw-input' )
00475                                         ) . '&#160;'
00476                                 ) .
00477                                 Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
00478                                         Xml::checkLabel(
00479                                                 $this->msg( 'namespace_association' )->text(),
00480                                                 'associated',
00481                                                 'associated',
00482                                                 $this->opts['associated'],
00483                                                 array( 'title' => $this->msg( 'tooltip-namespace_association' )->text(), 'class' => 'mw-input' )
00484                                         ) . '&#160;'
00485                                 )
00486                         ) ;
00487 
00488                 if ( $this->getUser()->isAllowed( 'deletedhistory' ) ) {
00489                         $deletedOnlyCheck = Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
00490                                 Xml::checkLabel(
00491                                         $this->msg( 'history-show-deleted' )->text(),
00492                                         'deletedOnly',
00493                                         'mw-show-deleted-only',
00494                                         $this->opts['deletedOnly'],
00495                                         array( 'class' => 'mw-input' )
00496                                 )
00497                         );
00498                 } else {
00499                         $deletedOnlyCheck = '';
00500                 }
00501 
00502                 $extraOptions = Html::rawElement( 'td', array( 'colspan' => 2 ),
00503                         $deletedOnlyCheck .
00504                         Html::rawElement( 'span', array( 'style' => 'white-space: nowrap' ),
00505                                 Xml::checkLabel(
00506                                         $this->msg( 'sp-contributions-toponly' )->text(),
00507                                         'topOnly',
00508                                         'mw-show-top-only',
00509                                         $this->opts['topOnly'],
00510                                         array( 'class' => 'mw-input' )
00511                                 )
00512                         )
00513                 );
00514 
00515                 $dateSelectionAndSubmit = Xml::tags( 'td', array( 'colspan' => 2 ),
00516                         Xml::dateMenu(
00517                                 $this->opts['year'],
00518                                 $this->opts['month']
00519                         ) . ' ' .
00520                         Xml::submitButton(
00521                                 $this->msg( 'sp-contributions-submit' )->text(),
00522                                 array( 'class' => 'mw-submit' )
00523                         )
00524                 ) ;
00525 
00526                 $form .=
00527                         Xml::fieldset( $this->msg( 'sp-contributions-search' )->text() ) .
00528                         Html::rawElement( 'table', array( 'class' => 'mw-contributions-table' ), "\n" .
00529                                 Html::rawElement( 'tr', array(), $targetSelection ) . "\n" .
00530                                 Html::rawElement( 'tr', array(), $namespaceSelection ) . "\n" .
00531                                 Html::rawElement( 'tr', array(), $filterSelection ) . "\n" .
00532                                 Html::rawElement( 'tr', array(), $extraOptions ) . "\n" .
00533                                 Html::rawElement( 'tr', array(), $dateSelectionAndSubmit ) . "\n"
00534                         );
00535 
00536                 $explain = $this->msg( 'sp-contributions-explain' );
00537                 if ( $explain->exists() ) {
00538                         $form .= "<p id='mw-sp-contributions-explain'>{$explain}</p>";
00539                 }
00540                 $form .= Xml::closeElement( 'fieldset' ) .
00541                         Xml::closeElement( 'form' );
00542                 return $form;
00543         }
00544 }
00545 
00550 class ContribsPager extends ReverseChronologicalPager {
00551         public $mDefaultDirection = true;
00552         var $messages, $target;
00553         var $namespace = '', $mDb;
00554         var $preventClickjacking = false;
00555 
00559         protected $mParentLens;
00560 
00561         function __construct( IContextSource $context, array $options ) {
00562                 parent::__construct( $context );
00563 
00564                 $msgs = array( 'uctop', 'diff', 'newarticle', 'rollbacklink', 'diff', 'hist', 'rev-delundel', 'pipe-separator' );
00565 
00566                 foreach ( $msgs as $msg ) {
00567                         $this->messages[$msg] = $this->msg( $msg )->escaped();
00568                 }
00569 
00570                 $this->target = isset( $options['target'] ) ? $options['target'] : '';
00571                 $this->contribs = isset( $options['contribs'] ) ? $options['contribs'] : 'users';
00572                 $this->namespace = isset( $options['namespace'] ) ? $options['namespace'] : '';
00573                 $this->tagFilter = isset( $options['tagfilter'] ) ? $options['tagfilter'] : false;
00574                 $this->nsInvert = isset( $options['nsInvert'] ) ? $options['nsInvert'] : false;
00575                 $this->associated = isset( $options['associated'] ) ? $options['associated'] : false;
00576 
00577                 $this->deletedOnly = !empty( $options['deletedOnly'] );
00578                 $this->topOnly = !empty( $options['topOnly'] );
00579 
00580                 $year = isset( $options['year'] ) ? $options['year'] : false;
00581                 $month = isset( $options['month'] ) ? $options['month'] : false;
00582                 $this->getDateCond( $year, $month );
00583 
00584                 $this->mDb = wfGetDB( DB_SLAVE, 'contributions' );
00585         }
00586 
00587         function getDefaultQuery() {
00588                 $query = parent::getDefaultQuery();
00589                 $query['target'] = $this->target;
00590                 return $query;
00591         }
00592 
00602         function reallyDoQuery( $offset, $limit, $descending ) {
00603                 list( $tables, $fields, $conds, $fname, $options, $join_conds ) = $this->buildQueryInfo( $offset, $limit, $descending );
00604                 $pager = $this;
00605 
00606                 /*
00607                  * This hook will allow extensions to add in additional queries, so they can get their data
00608                  * in My Contributions as well. Extensions should append their results to the $data array.
00609                  *
00610                  * Extension queries have to implement the navbar requirement as well. They should
00611                  * - have a column aliased as $pager->getIndexField()
00612                  * - have LIMIT set
00613                  * - have a WHERE-clause that compares the $pager->getIndexField()-equivalent column to the offset
00614                  * - have the ORDER BY specified based upon the details provided by the navbar
00615                  *
00616                  * See includes/Pager.php buildQueryInfo() method on how to build LIMIT, WHERE & ORDER BY
00617                  *
00618                  * &$data: an array of results of all contribs queries
00619                  * $pager: the ContribsPager object hooked into
00620                  * $offset: see phpdoc above
00621                  * $limit: see phpdoc above
00622                  * $descending: see phpdoc above
00623                  */
00624                 $data = array( $this->mDb->select( $tables, $fields, $conds, $fname, $options, $join_conds ) );
00625                 wfRunHooks( 'ContribsPager::reallyDoQuery', array( &$data, $pager, $offset, $limit, $descending ) );
00626 
00627                 $result = array();
00628 
00629                 // loop all results and collect them in an array
00630                 foreach ( $data as $j => $query ) {
00631                         foreach ( $query as $i => $row ) {
00632                                 // use index column as key, allowing us to easily sort in PHP
00633                                 $result[$row->{$this->getIndexField()} . "-$i"] = $row;
00634                         }
00635                 }
00636 
00637                 // sort results
00638                 if ( $descending ) {
00639                         ksort( $result );
00640                 } else {
00641                         krsort( $result );
00642                 }
00643 
00644                 // enforce limit
00645                 $result = array_slice( $result, 0, $limit );
00646 
00647                 // get rid of array keys
00648                 $result = array_values( $result );
00649 
00650                 return new FakeResultWrapper( $result );
00651         }
00652 
00653         function getQueryInfo() {
00654                 list( $tables, $index, $userCond, $join_cond ) = $this->getUserCond();
00655 
00656                 $user = $this->getUser();
00657                 $conds = array_merge( $userCond, $this->getNamespaceCond() );
00658 
00659                 // Paranoia: avoid brute force searches (bug 17342)
00660                 if ( !$user->isAllowed( 'deletedhistory' ) ) {
00661                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0';
00662                 } elseif ( !$user->isAllowed( 'suppressrevision' ) ) {
00663                         $conds[] = $this->mDb->bitAnd( 'rev_deleted', Revision::SUPPRESSED_USER ) .
00664                                 ' != ' . Revision::SUPPRESSED_USER;
00665                 }
00666 
00667                 # Don't include orphaned revisions
00668                 $join_cond['page'] = Revision::pageJoinCond();
00669                 # Get the current user name for accounts
00670                 $join_cond['user'] = Revision::userJoinCond();
00671 
00672                 $queryInfo = array(
00673                         'tables'     => $tables,
00674                         'fields'     => array_merge(
00675                                 Revision::selectFields(),
00676                                 Revision::selectUserFields(),
00677                                 array( 'page_namespace', 'page_title', 'page_is_new',
00678                                         'page_latest', 'page_is_redirect', 'page_len' )
00679                         ),
00680                         'conds'      => $conds,
00681                         'options'    => array( 'USE INDEX' => array( 'revision' => $index ) ),
00682                         'join_conds' => $join_cond
00683                 );
00684 
00685                 ChangeTags::modifyDisplayQuery(
00686                         $queryInfo['tables'],
00687                         $queryInfo['fields'],
00688                         $queryInfo['conds'],
00689                         $queryInfo['join_conds'],
00690                         $queryInfo['options'],
00691                         $this->tagFilter
00692                 );
00693 
00694                 wfRunHooks( 'ContribsPager::getQueryInfo', array( &$this, &$queryInfo ) );
00695                 return $queryInfo;
00696         }
00697 
00698         function getUserCond() {
00699                 $condition = array();
00700                 $join_conds = array();
00701                 $tables = array( 'revision', 'page', 'user' );
00702                 if ( $this->contribs == 'newbie' ) {
00703                         $max = $this->mDb->selectField( 'user', 'max(user_id)', false, __METHOD__ );
00704                         $condition[] = 'rev_user >' . (int)( $max - $max / 100 );
00705                         $index = 'user_timestamp';
00706                         # ignore local groups with the bot right
00707                         # @todo FIXME: Global groups may have 'bot' rights
00708                         $groupsWithBotPermission = User::getGroupsWithPermission( 'bot' );
00709                         if( count( $groupsWithBotPermission ) ) {
00710                                 $tables[] = 'user_groups';
00711                                 $condition[] = 'ug_group IS NULL';
00712                                 $join_conds['user_groups'] = array(
00713                                         'LEFT JOIN', array(
00714                                                 'ug_user = rev_user',
00715                                                 'ug_group' => $groupsWithBotPermission
00716                                         )
00717                                 );
00718                         }
00719                 } else {
00720                         $uid = User::idFromName( $this->target );
00721                         if ( $uid ) {
00722                                 $condition['rev_user'] = $uid;
00723                                 $index = 'user_timestamp';
00724                         } else {
00725                                 $condition['rev_user_text'] = $this->target;
00726                                 $index = 'usertext_timestamp';
00727                         }
00728                 }
00729                 if ( $this->deletedOnly ) {
00730                         $condition[] = "rev_deleted != '0'";
00731                 }
00732                 if ( $this->topOnly ) {
00733                         $condition[] = "rev_id = page_latest";
00734                 }
00735                 return array( $tables, $index, $condition, $join_conds );
00736         }
00737 
00738         function getNamespaceCond() {
00739                 if ( $this->namespace !== '' ) {
00740                         $selectedNS = $this->mDb->addQuotes( $this->namespace );
00741                         $eq_op = $this->nsInvert ? '!=' : '=';
00742                         $bool_op = $this->nsInvert ? 'AND' : 'OR';
00743 
00744                         if ( !$this->associated ) {
00745                                 return array( "page_namespace $eq_op $selectedNS" );
00746                         } else {
00747                                 $associatedNS = $this->mDb->addQuotes (
00748                                         MWNamespace::getAssociated( $this->namespace )
00749                                 );
00750                                 return array(
00751                                         "page_namespace $eq_op $selectedNS " .
00752                                         $bool_op .
00753                                         " page_namespace $eq_op $associatedNS"
00754                                 );
00755                         }
00756 
00757                 } else {
00758                         return array();
00759                 }
00760         }
00761 
00762         function getIndexField() {
00763                 return 'rev_timestamp';
00764         }
00765 
00766         function doBatchLookups() {
00767                 # Do a link batch query
00768                 $this->mResult->seek( 0 );
00769                 $revIds = array();
00770                 $batch = new LinkBatch();
00771                 # Give some pointers to make (last) links
00772                 foreach ( $this->mResult as $row ) {
00773                         if( isset( $row->rev_parent_id ) && $row->rev_parent_id ) {
00774                                 $revIds[] = $row->rev_parent_id;
00775                         }
00776                         if ( isset( $row->rev_id ) ) {
00777                                 if ( $this->contribs === 'newbie' ) { // multiple users
00778                                         $batch->add( NS_USER, $row->user_name );
00779                                         $batch->add( NS_USER_TALK, $row->user_name );
00780                                 }
00781                                 $batch->add( $row->page_namespace, $row->page_title );
00782                         }
00783                 }
00784                 $this->mParentLens = Revision::getParentLengths( $this->getDatabase(), $revIds );
00785                 $batch->execute();
00786                 $this->mResult->seek( 0 );
00787         }
00788 
00792         function getStartBody() {
00793                 return "<ul>\n";
00794         }
00795 
00799         function getEndBody() {
00800                 return "</ul>\n";
00801         }
00802 
00815         function formatRow( $row ) {
00816                 wfProfileIn( __METHOD__ );
00817 
00818                 $ret = '';
00819                 $classes = array();
00820 
00821                 /*
00822                  * There may be more than just revision rows. To make sure that we'll only be processing
00823                  * revisions here, let's _try_ to build a revision out of our row (without displaying
00824                  * notices though) and then trying to grab data from the built object. If we succeed,
00825                  * we're definitely dealing with revision data and we may proceed, if not, we'll leave it
00826                  * to extensions to subscribe to the hook to parse the row.
00827                  */
00828                 wfSuppressWarnings();
00829                 $rev = new Revision( $row );
00830                 $validRevision = $rev->getParentId() !== null;
00831                 wfRestoreWarnings();
00832 
00833                 if ( $validRevision ) {
00834                         $classes = array();
00835 
00836                         $page = Title::newFromRow( $row );
00837                         $link = Linker::link(
00838                                 $page,
00839                                 htmlspecialchars( $page->getPrefixedText() ),
00840                                 array( 'class' => 'mw-contributions-title' ),
00841                                 $page->isRedirect() ? array( 'redirect' => 'no' ) : array()
00842                         );
00843                         # Mark current revisions
00844                         $topmarktext = '';
00845                         $user = $this->getUser();
00846                         if ( $row->rev_id == $row->page_latest ) {
00847                                 $topmarktext .= '<span class="mw-uctop">' . $this->messages['uctop'] . '</span>';
00848                                 # Add rollback link
00849                                 if ( !$row->page_is_new && $page->quickUserCan( 'rollback', $user )
00850                                         && $page->quickUserCan( 'edit', $user ) )
00851                                 {
00852                                         $this->preventClickjacking();
00853                                         $topmarktext .= ' ' . Linker::generateRollback( $rev, $this->getContext() );
00854                                 }
00855                         }
00856                         # Is there a visible previous revision?
00857                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) && $rev->getParentId() !== 0 ) {
00858                                 $difftext = Linker::linkKnown(
00859                                         $page,
00860                                         $this->messages['diff'],
00861                                         array(),
00862                                         array(
00863                                                 'diff' => 'prev',
00864                                                 'oldid' => $row->rev_id
00865                                         )
00866                                 );
00867                         } else {
00868                                 $difftext = $this->messages['diff'];
00869                         }
00870                         $histlink = Linker::linkKnown(
00871                                 $page,
00872                                 $this->messages['hist'],
00873                                 array(),
00874                                 array( 'action' => 'history' )
00875                         );
00876 
00877                         if ( $row->rev_parent_id === null ) {
00878                                 // For some reason rev_parent_id isn't populated for this row.
00879                                 // Its rumoured this is true on wikipedia for some revisions (bug 34922).
00880                                 // Next best thing is to have the total number of bytes.
00881                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . Linker::formatRevisionSize( $row->rev_len ) . ' <span class="mw-changeslist-separator">. .</span> ';
00882                         } else {
00883                                 $parentLen = isset( $this->mParentLens[$row->rev_parent_id] ) ? $this->mParentLens[$row->rev_parent_id] : 0;
00884                                 $chardiff = ' <span class="mw-changeslist-separator">. .</span> ' . ChangesList::showCharacterDifference(
00885                                                 $parentLen, $row->rev_len, $this->getContext() ) . ' <span class="mw-changeslist-separator">. .</span> ';
00886                         }
00887 
00888                         $lang = $this->getLanguage();
00889                         $comment = $lang->getDirMark() . Linker::revComment( $rev, false, true );
00890                         $date = $lang->userTimeAndDate( $row->rev_timestamp, $user );
00891                         if ( $rev->userCan( Revision::DELETED_TEXT, $user ) ) {
00892                                 $d = Linker::linkKnown(
00893                                         $page,
00894                                         htmlspecialchars( $date ),
00895                                         array( 'class' => 'mw-changeslist-date' ),
00896                                         array( 'oldid' => intval( $row->rev_id ) )
00897                                 );
00898                         } else {
00899                                 $d = htmlspecialchars( $date );
00900                         }
00901                         if ( $rev->isDeleted( Revision::DELETED_TEXT ) ) {
00902                                 $d = '<span class="history-deleted">' . $d . '</span>';
00903                         }
00904 
00905                         # Show user names for /newbies as there may be different users.
00906                         # Note that we already excluded rows with hidden user names.
00907                         if ( $this->contribs == 'newbie' ) {
00908                                 $userlink = ' . . ' . Linker::userLink( $rev->getUser(), $rev->getUserText() );
00909                                 $userlink .= ' ' . $this->msg( 'parentheses' )->rawParams(
00910                                         Linker::userTalkLink( $rev->getUser(), $rev->getUserText() ) )->escaped() . ' ';
00911                         } else {
00912                                 $userlink = '';
00913                         }
00914 
00915                         if ( $rev->getParentId() === 0 ) {
00916                                 $nflag = ChangesList::flag( 'newpage' );
00917                         } else {
00918                                 $nflag = '';
00919                         }
00920 
00921                         if ( $rev->isMinor() ) {
00922                                 $mflag = ChangesList::flag( 'minor' );
00923                         } else {
00924                                 $mflag = '';
00925                         }
00926 
00927                         $del = Linker::getRevDeleteLink( $user, $rev, $page );
00928                         if ( $del !== '' ) {
00929                                 $del .= ' ';
00930                         }
00931 
00932                         $diffHistLinks = $this->msg( 'parentheses' )->rawParams( $difftext . $this->messages['pipe-separator'] . $histlink )->escaped();
00933                         $ret = "{$del}{$d} {$diffHistLinks}{$chardiff}{$nflag}{$mflag} {$link}{$userlink} {$comment} {$topmarktext}";
00934 
00935                         # Denote if username is redacted for this edit
00936                         if ( $rev->isDeleted( Revision::DELETED_USER ) ) {
00937                                 $ret .= " <strong>" . $this->msg( 'rev-deleted-user-contribs' )->escaped() . "</strong>";
00938                         }
00939 
00940                         # Tags, if any.
00941                         list( $tagSummary, $newClasses ) = ChangeTags::formatSummaryRow( $row->ts_tags, 'contributions' );
00942                         $classes = array_merge( $classes, $newClasses );
00943                         $ret .= " $tagSummary";
00944                 }
00945 
00946                 // Let extensions add data
00947                 wfRunHooks( 'ContributionsLineEnding', array( $this, &$ret, $row, &$classes ) );
00948 
00949                 $classes = implode( ' ', $classes );
00950                 $ret = "<li class=\"$classes\">$ret</li>\n";
00951 
00952                 wfProfileOut( __METHOD__ );
00953                 return $ret;
00954         }
00955 
00960         function getSqlComment() {
00961                 if ( $this->namespace || $this->deletedOnly ) {
00962                         return 'contributions page filtered for namespace or RevisionDeleted edits'; // potentially slow, see CR r58153
00963                 } else {
00964                         return 'contributions page unfiltered';
00965                 }
00966         }
00967 
00968         protected function preventClickjacking() {
00969                 $this->preventClickjacking = true;
00970         }
00971 
00975         public function getPreventClickjacking() {
00976                 return $this->preventClickjacking;
00977         }
00978 }