MediaWiki  REL1_23
RevisionDelete.php
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00001 <?php
00033 class RevDel_RevisionList extends RevDel_List {
00034     var $currentRevId;
00035 
00036     public function getType() {
00037         return 'revision';
00038     }
00039 
00040     public static function getRelationType() {
00041         return 'rev_id';
00042     }
00043 
00044     public static function getRestriction() {
00045         return 'deleterevision';
00046     }
00047 
00048     public static function getRevdelConstant() {
00049         return Revision::DELETED_TEXT;
00050     }
00051 
00052     public static function suggestTarget( $target, array $ids ) {
00053         $rev = Revision::newFromId( $ids[0] );
00054         return $rev ? $rev->getTitle() : $target;
00055     }
00056 
00061     public function doQuery( $db ) {
00062         $ids = array_map( 'intval', $this->ids );
00063         $live = $db->select(
00064             array( 'revision', 'page', 'user' ),
00065             array_merge( Revision::selectFields(), Revision::selectUserFields() ),
00066             array(
00067                 'rev_page' => $this->title->getArticleID(),
00068                 'rev_id' => $ids,
00069             ),
00070             __METHOD__,
00071             array( 'ORDER BY' => 'rev_id DESC' ),
00072             array(
00073                 'page' => Revision::pageJoinCond(),
00074                 'user' => Revision::userJoinCond() )
00075         );
00076 
00077         if ( $live->numRows() >= count( $ids ) ) {
00078             // All requested revisions are live, keeps things simple!
00079             return $live;
00080         }
00081 
00082         // Check if any requested revisions are available fully deleted.
00083         $archived = $db->select( array( 'archive' ), '*',
00084             array(
00085                 'ar_rev_id' => $ids
00086             ),
00087             __METHOD__,
00088             array( 'ORDER BY' => 'ar_rev_id DESC' )
00089         );
00090 
00091         if ( $archived->numRows() == 0 ) {
00092             return $live;
00093         } elseif ( $live->numRows() == 0 ) {
00094             return $archived;
00095         } else {
00096             // Combine the two! Whee
00097             $rows = array();
00098             foreach ( $live as $row ) {
00099                 $rows[$row->rev_id] = $row;
00100             }
00101             foreach ( $archived as $row ) {
00102                 $rows[$row->ar_rev_id] = $row;
00103             }
00104             krsort( $rows );
00105             return new FakeResultWrapper( array_values( $rows ) );
00106         }
00107     }
00108 
00109     public function newItem( $row ) {
00110         if ( isset( $row->rev_id ) ) {
00111             return new RevDel_RevisionItem( $this, $row );
00112         } elseif ( isset( $row->ar_rev_id ) ) {
00113             return new RevDel_ArchivedRevisionItem( $this, $row );
00114         } else {
00115             // This shouldn't happen. :)
00116             throw new MWException( 'Invalid row type in RevDel_RevisionList' );
00117         }
00118     }
00119 
00120     public function getCurrent() {
00121         if ( is_null( $this->currentRevId ) ) {
00122             $dbw = wfGetDB( DB_MASTER );
00123             $this->currentRevId = $dbw->selectField(
00124                 'page', 'page_latest', $this->title->pageCond(), __METHOD__ );
00125         }
00126         return $this->currentRevId;
00127     }
00128 
00129     public function getSuppressBit() {
00130         return Revision::DELETED_RESTRICTED;
00131     }
00132 
00133     public function doPreCommitUpdates() {
00134         $this->title->invalidateCache();
00135         return Status::newGood();
00136     }
00137 
00138     public function doPostCommitUpdates() {
00139         $this->title->purgeSquid();
00140         // Extensions that require referencing previous revisions may need this
00141         wfRunHooks( 'ArticleRevisionVisibilitySet', array( &$this->title ) );
00142         return Status::newGood();
00143     }
00144 }
00145 
00149 class RevDel_RevisionItem extends RevDel_Item {
00150     var $revision;
00151 
00152     public function __construct( $list, $row ) {
00153         parent::__construct( $list, $row );
00154         $this->revision = new Revision( $row );
00155     }
00156 
00157     public function getIdField() {
00158         return 'rev_id';
00159     }
00160 
00161     public function getTimestampField() {
00162         return 'rev_timestamp';
00163     }
00164 
00165     public function getAuthorIdField() {
00166         return 'rev_user';
00167     }
00168 
00169     public function getAuthorNameField() {
00170         return 'user_name'; // see Revision::selectUserFields()
00171     }
00172 
00173     public function canView() {
00174         return $this->revision->userCan( Revision::DELETED_RESTRICTED, $this->list->getUser() );
00175     }
00176 
00177     public function canViewContent() {
00178         return $this->revision->userCan( Revision::DELETED_TEXT, $this->list->getUser() );
00179     }
00180 
00181     public function getBits() {
00182         return $this->revision->getVisibility();
00183     }
00184 
00185     public function setBits( $bits ) {
00186         $dbw = wfGetDB( DB_MASTER );
00187         // Update revision table
00188         $dbw->update( 'revision',
00189             array( 'rev_deleted' => $bits ),
00190             array(
00191                 'rev_id' => $this->revision->getId(),
00192                 'rev_page' => $this->revision->getPage(),
00193                 'rev_deleted' => $this->getBits()
00194             ),
00195             __METHOD__
00196         );
00197         if ( !$dbw->affectedRows() ) {
00198             // Concurrent fail!
00199             return false;
00200         }
00201         // Update recentchanges table
00202         $dbw->update( 'recentchanges',
00203             array(
00204                 'rc_deleted' => $bits,
00205                 'rc_patrolled' => 1
00206             ),
00207             array(
00208                 'rc_this_oldid' => $this->revision->getId(), // condition
00209                 // non-unique timestamp index
00210                 'rc_timestamp' => $dbw->timestamp( $this->revision->getTimestamp() ),
00211             ),
00212             __METHOD__
00213         );
00214         return true;
00215     }
00216 
00217     public function isDeleted() {
00218         return $this->revision->isDeleted( Revision::DELETED_TEXT );
00219     }
00220 
00221     public function isHideCurrentOp( $newBits ) {
00222         return ( $newBits & Revision::DELETED_TEXT )
00223             && $this->list->getCurrent() == $this->getId();
00224     }
00225 
00231     protected function getRevisionLink() {
00232         $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
00233             $this->revision->getTimestamp(), $this->list->getUser() ) );
00234 
00235         if ( $this->isDeleted() && !$this->canViewContent() ) {
00236             return $date;
00237         }
00238         return Linker::linkKnown(
00239             $this->list->title,
00240             $date,
00241             array(),
00242             array(
00243                 'oldid' => $this->revision->getId(),
00244                 'unhide' => 1
00245             )
00246         );
00247     }
00248 
00254     protected function getDiffLink() {
00255         if ( $this->isDeleted() && !$this->canViewContent() ) {
00256             return $this->list->msg( 'diff' )->escaped();
00257         } else {
00258             return Linker::linkKnown(
00259                     $this->list->title,
00260                     $this->list->msg( 'diff' )->escaped(),
00261                     array(),
00262                     array(
00263                         'diff' => $this->revision->getId(),
00264                         'oldid' => 'prev',
00265                         'unhide' => 1
00266                     )
00267                 );
00268         }
00269     }
00270 
00271     public function getHTML() {
00272         $difflink = $this->list->msg( 'parentheses' )
00273             ->rawParams( $this->getDiffLink() )->escaped();
00274         $revlink = $this->getRevisionLink();
00275         $userlink = Linker::revUserLink( $this->revision );
00276         $comment = Linker::revComment( $this->revision );
00277         if ( $this->isDeleted() ) {
00278             $revlink = "<span class=\"history-deleted\">$revlink</span>";
00279         }
00280         return "<li>$difflink $revlink $userlink $comment</li>";
00281     }
00282 
00283     public function getApiData( ApiResult $result ) {
00284         $rev = $this->revision;
00285         $user = $this->list->getUser();
00286         $ret = array(
00287             'id' => $rev->getId(),
00288             'timestamp' => wfTimestamp( TS_ISO_8601, $rev->getTimestamp() ),
00289         );
00290         $ret += $rev->isDeleted( Revision::DELETED_USER ) ? array( 'userhidden' => '' ) : array();
00291         $ret += $rev->isDeleted( Revision::DELETED_COMMENT ) ? array( 'commenthidden' => '' ) : array();
00292         $ret += $rev->isDeleted( Revision::DELETED_TEXT ) ? array( 'texthidden' => '' ) : array();
00293         if ( $rev->userCan( Revision::DELETED_USER, $user ) ) {
00294             $ret += array(
00295                 'userid' => $rev->getUser( Revision::FOR_THIS_USER ),
00296                 'user' => $rev->getUserText( Revision::FOR_THIS_USER ),
00297             );
00298         }
00299         if ( $rev->userCan( Revision::DELETED_COMMENT, $user ) ) {
00300             $ret += array(
00301                 'comment' => $rev->getComment( Revision::FOR_THIS_USER ),
00302             );
00303         }
00304         return $ret;
00305     }
00306 }
00307 
00311 class RevDel_ArchiveList extends RevDel_RevisionList {
00312     public function getType() {
00313         return 'archive';
00314     }
00315 
00316     public static function getRelationType() {
00317         return 'ar_timestamp';
00318     }
00319 
00324     public function doQuery( $db ) {
00325         $timestamps = array();
00326         foreach ( $this->ids as $id ) {
00327             $timestamps[] = $db->timestamp( $id );
00328         }
00329         return $db->select( 'archive', '*',
00330                 array(
00331                     'ar_namespace' => $this->title->getNamespace(),
00332                     'ar_title' => $this->title->getDBkey(),
00333                     'ar_timestamp' => $timestamps
00334                 ),
00335                 __METHOD__,
00336                 array( 'ORDER BY' => 'ar_timestamp DESC' )
00337             );
00338     }
00339 
00340     public function newItem( $row ) {
00341         return new RevDel_ArchiveItem( $this, $row );
00342     }
00343 
00344     public function doPreCommitUpdates() {
00345         return Status::newGood();
00346     }
00347 
00348     public function doPostCommitUpdates() {
00349         return Status::newGood();
00350     }
00351 }
00352 
00356 class RevDel_ArchiveItem extends RevDel_RevisionItem {
00357     public function __construct( $list, $row ) {
00358         RevDel_Item::__construct( $list, $row );
00359         $this->revision = Revision::newFromArchiveRow( $row,
00360             array( 'page' => $this->list->title->getArticleID() ) );
00361     }
00362 
00363     public function getIdField() {
00364         return 'ar_timestamp';
00365     }
00366 
00367     public function getTimestampField() {
00368         return 'ar_timestamp';
00369     }
00370 
00371     public function getAuthorIdField() {
00372         return 'ar_user';
00373     }
00374 
00375     public function getAuthorNameField() {
00376         return 'ar_user_text';
00377     }
00378 
00379     public function getId() {
00380         # Convert DB timestamp to MW timestamp
00381         return $this->revision->getTimestamp();
00382     }
00383 
00384     public function setBits( $bits ) {
00385         $dbw = wfGetDB( DB_MASTER );
00386         $dbw->update( 'archive',
00387             array( 'ar_deleted' => $bits ),
00388             array(
00389                 'ar_namespace' => $this->list->title->getNamespace(),
00390                 'ar_title' => $this->list->title->getDBkey(),
00391                 // use timestamp for index
00392                 'ar_timestamp' => $this->row->ar_timestamp,
00393                 'ar_rev_id' => $this->row->ar_rev_id,
00394                 'ar_deleted' => $this->getBits()
00395             ),
00396             __METHOD__ );
00397         return (bool)$dbw->affectedRows();
00398     }
00399 
00400     protected function getRevisionLink() {
00401         $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
00402             $this->revision->getTimestamp(), $this->list->getUser() ) );
00403 
00404         if ( $this->isDeleted() && !$this->canViewContent() ) {
00405             return $date;
00406         }
00407 
00408         return Linker::link(
00409             SpecialPage::getTitleFor( 'Undelete' ),
00410             $date,
00411             array(),
00412             array(
00413                 'target' => $this->list->title->getPrefixedText(),
00414                 'timestamp' => $this->revision->getTimestamp()
00415             )
00416         );
00417     }
00418 
00419     protected function getDiffLink() {
00420         if ( $this->isDeleted() && !$this->canViewContent() ) {
00421             return $this->list->msg( 'diff' )->escaped();
00422         }
00423 
00424         return Linker::link(
00425             SpecialPage::getTitleFor( 'Undelete' ),
00426             $this->list->msg( 'diff' )->escaped(),
00427             array(),
00428             array(
00429                 'target' => $this->list->title->getPrefixedText(),
00430                 'diff' => 'prev',
00431                 'timestamp' => $this->revision->getTimestamp()
00432             )
00433         );
00434     }
00435 }
00436 
00441 class RevDel_ArchivedRevisionItem extends RevDel_ArchiveItem {
00442     public function __construct( $list, $row ) {
00443         RevDel_Item::__construct( $list, $row );
00444 
00445         $this->revision = Revision::newFromArchiveRow( $row,
00446             array( 'page' => $this->list->title->getArticleID() ) );
00447     }
00448 
00449     public function getIdField() {
00450         return 'ar_rev_id';
00451     }
00452 
00453     public function getId() {
00454         return $this->revision->getId();
00455     }
00456 
00457     public function setBits( $bits ) {
00458         $dbw = wfGetDB( DB_MASTER );
00459         $dbw->update( 'archive',
00460             array( 'ar_deleted' => $bits ),
00461             array( 'ar_rev_id' => $this->row->ar_rev_id,
00462                 'ar_deleted' => $this->getBits()
00463             ),
00464             __METHOD__ );
00465         return (bool)$dbw->affectedRows();
00466     }
00467 }
00468 
00472 class RevDel_FileList extends RevDel_List {
00473     public function getType() {
00474         return 'oldimage';
00475     }
00476 
00477     public static function getRelationType() {
00478         return 'oi_archive_name';
00479     }
00480 
00481     public static function getRestriction() {
00482         return 'deleterevision';
00483     }
00484 
00485     public static function getRevdelConstant() {
00486         return File::DELETED_FILE;
00487     }
00488 
00489     var $storeBatch, $deleteBatch, $cleanupBatch;
00490 
00495     public function doQuery( $db ) {
00496         $archiveNames = array();
00497         foreach ( $this->ids as $timestamp ) {
00498             $archiveNames[] = $timestamp . '!' . $this->title->getDBkey();
00499         }
00500         return $db->select(
00501             'oldimage',
00502             OldLocalFile::selectFields(),
00503             array(
00504                 'oi_name' => $this->title->getDBkey(),
00505                 'oi_archive_name' => $archiveNames
00506             ),
00507             __METHOD__,
00508             array( 'ORDER BY' => 'oi_timestamp DESC' )
00509         );
00510     }
00511 
00512     public function newItem( $row ) {
00513         return new RevDel_FileItem( $this, $row );
00514     }
00515 
00516     public function clearFileOps() {
00517         $this->deleteBatch = array();
00518         $this->storeBatch = array();
00519         $this->cleanupBatch = array();
00520     }
00521 
00522     public function doPreCommitUpdates() {
00523         $status = Status::newGood();
00524         $repo = RepoGroup::singleton()->getLocalRepo();
00525         if ( $this->storeBatch ) {
00526             $status->merge( $repo->storeBatch( $this->storeBatch, FileRepo::OVERWRITE_SAME ) );
00527         }
00528         if ( !$status->isOK() ) {
00529             return $status;
00530         }
00531         if ( $this->deleteBatch ) {
00532             $status->merge( $repo->deleteBatch( $this->deleteBatch ) );
00533         }
00534         if ( !$status->isOK() ) {
00535             // Running cleanupDeletedBatch() after a failed storeBatch() with the DB already
00536             // modified (but destined for rollback) causes data loss
00537             return $status;
00538         }
00539         if ( $this->cleanupBatch ) {
00540             $status->merge( $repo->cleanupDeletedBatch( $this->cleanupBatch ) );
00541         }
00542         return $status;
00543     }
00544 
00545     public function doPostCommitUpdates() {
00546         global $wgUseSquid;
00547         $file = wfLocalFile( $this->title );
00548         $file->purgeCache();
00549         $file->purgeDescription();
00550         $purgeUrls = array();
00551         foreach ( $this->ids as $timestamp ) {
00552             $archiveName = $timestamp . '!' . $this->title->getDBkey();
00553             $file->purgeOldThumbnails( $archiveName );
00554             $purgeUrls[] = $file->getArchiveUrl( $archiveName );
00555         }
00556         if ( $wgUseSquid ) {
00557             // purge full images from cache
00558             SquidUpdate::purge( $purgeUrls );
00559         }
00560         return Status::newGood();
00561     }
00562 
00563     public function getSuppressBit() {
00564         return File::DELETED_RESTRICTED;
00565     }
00566 }
00567 
00571 class RevDel_FileItem extends RevDel_Item {
00572 
00576     var $file;
00577 
00578     public function __construct( $list, $row ) {
00579         parent::__construct( $list, $row );
00580         $this->file = RepoGroup::singleton()->getLocalRepo()->newFileFromRow( $row );
00581     }
00582 
00583     public function getIdField() {
00584         return 'oi_archive_name';
00585     }
00586 
00587     public function getTimestampField() {
00588         return 'oi_timestamp';
00589     }
00590 
00591     public function getAuthorIdField() {
00592         return 'oi_user';
00593     }
00594 
00595     public function getAuthorNameField() {
00596         return 'oi_user_text';
00597     }
00598 
00599     public function getId() {
00600         $parts = explode( '!', $this->row->oi_archive_name );
00601         return $parts[0];
00602     }
00603 
00604     public function canView() {
00605         return $this->file->userCan( File::DELETED_RESTRICTED, $this->list->getUser() );
00606     }
00607 
00608     public function canViewContent() {
00609         return $this->file->userCan( File::DELETED_FILE, $this->list->getUser() );
00610     }
00611 
00612     public function getBits() {
00613         return $this->file->getVisibility();
00614     }
00615 
00616     public function setBits( $bits ) {
00617         # Queue the file op
00618         # @todo FIXME: Move to LocalFile.php
00619         if ( $this->isDeleted() ) {
00620             if ( $bits & File::DELETED_FILE ) {
00621                 # Still deleted
00622             } else {
00623                 # Newly undeleted
00624                 $key = $this->file->getStorageKey();
00625                 $srcRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
00626                 $this->list->storeBatch[] = array(
00627                     $this->file->repo->getVirtualUrl( 'deleted' ) . '/' . $srcRel,
00628                     'public',
00629                     $this->file->getRel()
00630                 );
00631                 $this->list->cleanupBatch[] = $key;
00632             }
00633         } elseif ( $bits & File::DELETED_FILE ) {
00634             # Newly deleted
00635             $key = $this->file->getStorageKey();
00636             $dstRel = $this->file->repo->getDeletedHashPath( $key ) . $key;
00637             $this->list->deleteBatch[] = array( $this->file->getRel(), $dstRel );
00638         }
00639 
00640         # Do the database operations
00641         $dbw = wfGetDB( DB_MASTER );
00642         $dbw->update( 'oldimage',
00643             array( 'oi_deleted' => $bits ),
00644             array(
00645                 'oi_name' => $this->row->oi_name,
00646                 'oi_timestamp' => $this->row->oi_timestamp,
00647                 'oi_deleted' => $this->getBits()
00648             ),
00649             __METHOD__
00650         );
00651         return (bool)$dbw->affectedRows();
00652     }
00653 
00654     public function isDeleted() {
00655         return $this->file->isDeleted( File::DELETED_FILE );
00656     }
00657 
00663     protected function getLink() {
00664         $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
00665             $this->file->getTimestamp(), $this->list->getUser() ) );
00666 
00667         if ( !$this->isDeleted() ) {
00668             # Regular files...
00669             return Html::rawElement( 'a', array( 'href' => $this->file->getUrl() ), $date );
00670         }
00671 
00672         # Hidden files...
00673         if ( !$this->canViewContent() ) {
00674             $link = $date;
00675         } else {
00676             $link = Linker::link(
00677                 SpecialPage::getTitleFor( 'Revisiondelete' ),
00678                 $date,
00679                 array(),
00680                 array(
00681                     'target' => $this->list->title->getPrefixedText(),
00682                     'file' => $this->file->getArchiveName(),
00683                     'token' => $this->list->getUser()->getEditToken(
00684                         $this->file->getArchiveName() )
00685                 )
00686             );
00687         }
00688         return '<span class="history-deleted">' . $link . '</span>';
00689     }
00690 
00695     protected function getUserTools() {
00696         if ( $this->file->userCan( Revision::DELETED_USER, $this->list->getUser() ) ) {
00697             $uid = $this->file->getUser( 'id' );
00698             $name = $this->file->getUser( 'text' );
00699             $link = Linker::userLink( $uid, $name ) . Linker::userToolLinks( $uid, $name );
00700         } else {
00701             $link = $this->list->msg( 'rev-deleted-user' )->escaped();
00702         }
00703         if ( $this->file->isDeleted( Revision::DELETED_USER ) ) {
00704             return '<span class="history-deleted">' . $link . '</span>';
00705         }
00706         return $link;
00707     }
00708 
00715     protected function getComment() {
00716         if ( $this->file->userCan( File::DELETED_COMMENT, $this->list->getUser() ) ) {
00717             $block = Linker::commentBlock( $this->file->getDescription() );
00718         } else {
00719             $block = ' ' . $this->list->msg( 'rev-deleted-comment' )->escaped();
00720         }
00721         if ( $this->file->isDeleted( File::DELETED_COMMENT ) ) {
00722             return "<span class=\"history-deleted\">$block</span>";
00723         }
00724         return $block;
00725     }
00726 
00727     public function getHTML() {
00728         $data =
00729             $this->list->msg( 'widthheight' )->numParams(
00730                 $this->file->getWidth(), $this->file->getHeight() )->text() .
00731             ' (' . $this->list->msg( 'nbytes' )->numParams( $this->file->getSize() )->text() . ')';
00732 
00733         return '<li>' . $this->getLink() . ' ' . $this->getUserTools() . ' ' .
00734             $data . ' ' . $this->getComment() . '</li>';
00735     }
00736 
00737     public function getApiData( ApiResult $result ) {
00738         $file = $this->file;
00739         $user = $this->list->getUser();
00740         $ret = array(
00741             'title' => $this->list->title->getPrefixedText(),
00742             'archivename' => $file->getArchiveName(),
00743             'timestamp' => wfTimestamp( TS_ISO_8601, $file->getTimestamp() ),
00744             'width' => $file->getWidth(),
00745             'height' => $file->getHeight(),
00746             'size' => $file->getSize(),
00747         );
00748         $ret += $file->isDeleted( Revision::DELETED_USER ) ? array( 'userhidden' => '' ) : array();
00749         $ret += $file->isDeleted( Revision::DELETED_COMMENT ) ? array( 'commenthidden' => '' ) : array();
00750         $ret += $this->isDeleted() ? array( 'contenthidden' => '' ) : array();
00751         if ( !$this->isDeleted() ) {
00752             $ret += array(
00753                 'url' => $file->getUrl(),
00754             );
00755         } elseif ( $this->canViewContent() ) {
00756             $ret += array(
00757                 'url' => SpecialPage::getTitleFor( 'Revisiondelete' )->getLinkURL(
00758                     array(
00759                         'target' => $this->list->title->getPrefixedText(),
00760                         'file' => $file->getArchiveName(),
00761                         'token' => $user->getEditToken( $file->getArchiveName() )
00762                     ),
00763                     false, PROTO_RELATIVE
00764                 ),
00765             );
00766         }
00767         if ( $file->userCan( Revision::DELETED_USER, $user ) ) {
00768             $ret += array(
00769                 'userid' => $file->user,
00770                 'user' => $file->user_text,
00771             );
00772         }
00773         if ( $file->userCan( Revision::DELETED_COMMENT, $user ) ) {
00774             $ret += array(
00775                 'comment' => $file->description,
00776             );
00777         }
00778         return $ret;
00779     }
00780 }
00781 
00785 class RevDel_ArchivedFileList extends RevDel_FileList {
00786     public function getType() {
00787         return 'filearchive';
00788     }
00789 
00790     public static function getRelationType() {
00791         return 'fa_id';
00792     }
00793 
00798     public function doQuery( $db ) {
00799         $ids = array_map( 'intval', $this->ids );
00800         return $db->select(
00801             'filearchive',
00802             ArchivedFile::selectFields(),
00803             array(
00804                 'fa_name' => $this->title->getDBkey(),
00805                 'fa_id' => $ids
00806             ),
00807             __METHOD__,
00808             array( 'ORDER BY' => 'fa_id DESC' )
00809         );
00810     }
00811 
00812     public function newItem( $row ) {
00813         return new RevDel_ArchivedFileItem( $this, $row );
00814     }
00815 }
00816 
00820 class RevDel_ArchivedFileItem extends RevDel_FileItem {
00821     public function __construct( $list, $row ) {
00822         RevDel_Item::__construct( $list, $row );
00823         $this->file = ArchivedFile::newFromRow( $row );
00824     }
00825 
00826     public function getIdField() {
00827         return 'fa_id';
00828     }
00829 
00830     public function getTimestampField() {
00831         return 'fa_timestamp';
00832     }
00833 
00834     public function getAuthorIdField() {
00835         return 'fa_user';
00836     }
00837 
00838     public function getAuthorNameField() {
00839         return 'fa_user_text';
00840     }
00841 
00842     public function getId() {
00843         return $this->row->fa_id;
00844     }
00845 
00846     public function setBits( $bits ) {
00847         $dbw = wfGetDB( DB_MASTER );
00848         $dbw->update( 'filearchive',
00849             array( 'fa_deleted' => $bits ),
00850             array(
00851                 'fa_id' => $this->row->fa_id,
00852                 'fa_deleted' => $this->getBits(),
00853             ),
00854             __METHOD__
00855         );
00856         return (bool)$dbw->affectedRows();
00857     }
00858 
00859     protected function getLink() {
00860         $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
00861             $this->file->getTimestamp(), $this->list->getUser() ) );
00862 
00863         # Hidden files...
00864         if ( !$this->canViewContent() ) {
00865             $link = $date;
00866         } else {
00867             $undelete = SpecialPage::getTitleFor( 'Undelete' );
00868             $key = $this->file->getKey();
00869             $link = Linker::link( $undelete, $date, array(),
00870                 array(
00871                     'target' => $this->list->title->getPrefixedText(),
00872                     'file' => $key,
00873                     'token' => $this->list->getUser()->getEditToken( $key )
00874                 )
00875             );
00876         }
00877         if ( $this->isDeleted() ) {
00878             $link = '<span class="history-deleted">' . $link . '</span>';
00879         }
00880         return $link;
00881     }
00882 }
00883 
00887 class RevDel_LogList extends RevDel_List {
00888     public function getType() {
00889         return 'logging';
00890     }
00891 
00892     public static function getRelationType() {
00893         return 'log_id';
00894     }
00895 
00896     public static function getRestriction() {
00897         return 'deletelogentry';
00898     }
00899 
00900     public static function getRevdelConstant() {
00901         return LogPage::DELETED_ACTION;
00902     }
00903 
00904     public static function suggestTarget( $target, array $ids ) {
00905         $result = wfGetDB( DB_SLAVE )->select( 'logging',
00906             'log_type',
00907             array( 'log_id' => $ids ),
00908             __METHOD__,
00909             array( 'DISTINCT' )
00910         );
00911         if ( $result->numRows() == 1 ) {
00912             // If there's only one type, the target can be set to include it.
00913             return SpecialPage::getTitleFor( 'Log', $result->current()->log_type );
00914         }
00915         return SpecialPage::getTitleFor( 'Log' );
00916     }
00917 
00922     public function doQuery( $db ) {
00923         $ids = array_map( 'intval', $this->ids );
00924         return $db->select( 'logging', '*',
00925             array( 'log_id' => $ids ),
00926             __METHOD__,
00927             array( 'ORDER BY' => 'log_id DESC' )
00928         );
00929     }
00930 
00931     public function newItem( $row ) {
00932         return new RevDel_LogItem( $this, $row );
00933     }
00934 
00935     public function getSuppressBit() {
00936         return Revision::DELETED_RESTRICTED;
00937     }
00938 
00939     public function getLogAction() {
00940         return 'event';
00941     }
00942 
00943     public function getLogParams( $params ) {
00944         return array(
00945             implode( ',', $params['ids'] ),
00946             "ofield={$params['oldBits']}",
00947             "nfield={$params['newBits']}"
00948         );
00949     }
00950 }
00951 
00955 class RevDel_LogItem extends RevDel_Item {
00956     public function getIdField() {
00957         return 'log_id';
00958     }
00959 
00960     public function getTimestampField() {
00961         return 'log_timestamp';
00962     }
00963 
00964     public function getAuthorIdField() {
00965         return 'log_user';
00966     }
00967 
00968     public function getAuthorNameField() {
00969         return 'log_user_text';
00970     }
00971 
00972     public function canView() {
00973         return LogEventsList::userCan( $this->row, Revision::DELETED_RESTRICTED, $this->list->getUser() );
00974     }
00975 
00976     public function canViewContent() {
00977         return true; // none
00978     }
00979 
00980     public function getBits() {
00981         return $this->row->log_deleted;
00982     }
00983 
00984     public function setBits( $bits ) {
00985         $dbw = wfGetDB( DB_MASTER );
00986         $dbw->update( 'recentchanges',
00987             array(
00988                 'rc_deleted' => $bits,
00989                 'rc_patrolled' => 1
00990             ),
00991             array(
00992                 'rc_logid' => $this->row->log_id,
00993                 'rc_timestamp' => $this->row->log_timestamp // index
00994             ),
00995             __METHOD__
00996         );
00997         $dbw->update( 'logging',
00998             array( 'log_deleted' => $bits ),
00999             array(
01000                 'log_id' => $this->row->log_id,
01001                 'log_deleted' => $this->getBits()
01002             ),
01003             __METHOD__
01004         );
01005         return (bool)$dbw->affectedRows();
01006     }
01007 
01008     public function getHTML() {
01009         $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
01010             $this->row->log_timestamp, $this->list->getUser() ) );
01011         $title = Title::makeTitle( $this->row->log_namespace, $this->row->log_title );
01012         $formatter = LogFormatter::newFromRow( $this->row );
01013         $formatter->setContext( $this->list->getContext() );
01014         $formatter->setAudience( LogFormatter::FOR_THIS_USER );
01015 
01016         // Log link for this page
01017         $loglink = Linker::link(
01018             SpecialPage::getTitleFor( 'Log' ),
01019             $this->list->msg( 'log' )->escaped(),
01020             array(),
01021             array( 'page' => $title->getPrefixedText() )
01022         );
01023         $loglink = $this->list->msg( 'parentheses' )->rawParams( $loglink )->escaped();
01024         // User links and action text
01025         $action = $formatter->getActionText();
01026         // Comment
01027         $comment = $this->list->getLanguage()->getDirMark() . Linker::commentBlock( $this->row->log_comment );
01028         if ( LogEventsList::isDeleted( $this->row, LogPage::DELETED_COMMENT ) ) {
01029             $comment = '<span class="history-deleted">' . $comment . '</span>';
01030         }
01031 
01032         return "<li>$loglink $date $action $comment</li>";
01033     }
01034 
01035     public function getApiData( ApiResult $result ) {
01036         $logEntry = DatabaseLogEntry::newFromRow( $this->row );
01037         $user = $this->list->getUser();
01038         $ret = array(
01039             'id' => $logEntry->getId(),
01040             'type' => $logEntry->getType(),
01041             'action' => $logEntry->getSubtype(),
01042         );
01043         $ret += $logEntry->isDeleted( LogPage::DELETED_USER ) ? array( 'userhidden' => '' ) : array();
01044         $ret += $logEntry->isDeleted( LogPage::DELETED_COMMENT ) ? array( 'commenthidden' => '' ) : array();
01045         $ret += $logEntry->isDeleted( LogPage::DELETED_ACTION ) ? array( 'actionhidden' => '' ) : array();
01046 
01047         if ( LogEventsList::userCan( $this->row, LogPage::DELETED_ACTION, $user ) ) {
01048             ApiQueryLogEvents::addLogParams(
01049                 $result,
01050                 $ret,
01051                 $logEntry->getParameters(),
01052                 $logEntry->getType(),
01053                 $logEntry->getSubtype(),
01054                 $logEntry->getTimestamp(),
01055                 $logEntry->isLegacy()
01056             );
01057         }
01058         if ( LogEventsList::userCan( $this->row, LogPage::DELETED_USER, $user ) ) {
01059             $ret += array(
01060                 'userid' => $this->row->log_user,
01061                 'user' => $this->row->log_user_text,
01062             );
01063         }
01064         if ( LogEventsList::userCan( $this->row, LogPage::DELETED_COMMENT, $user ) ) {
01065             $ret += array(
01066                 'comment' => $this->row->log_comment,
01067             );
01068         }
01069         return $ret;
01070     }
01071 }