RevDelRevisionItem.php

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<?php
class RevDelRevisionItem extends RevDelItem {
    public $revision;
 
    public function __construct( $list, $row ) {
        parent::__construct( $list, $row );
        $this->revision = new Revision( $row );
    }
 
    public function getIdField() {
        return 'rev_id';
    }
 
    public function getTimestampField() {
        return 'rev_timestamp';
    }
 
    public function getAuthorIdField() {
        return 'rev_user';
    }
 
    public function getAuthorNameField() {
        return 'rev_user_text';
    }
 
    public function canView() {
        return $this->revision->userCan( Revision::DELETED_RESTRICTED, $this->list->getUser() );
    }
 
    public function canViewContent() {
        return $this->revision->userCan( Revision::DELETED_TEXT, $this->list->getUser() );
    }
 
    public function getBits() {
        return $this->revision->getVisibility();
    }
 
    public function setBits( $bits ) {
        $dbw = wfGetDB( DB_MASTER );
        // Update revision table
        $dbw->update( 'revision',
            [ 'rev_deleted' => $bits ],
            [
                'rev_id' => $this->revision->getId(),
                'rev_page' => $this->revision->getPage(),
                'rev_deleted' => $this->getBits() // cas
            ],
            __METHOD__
        );
        if ( !$dbw->affectedRows() ) {
            // Concurrent fail!
            return false;
        }
        // Update recentchanges table
        $dbw->update( 'recentchanges',
            [
                'rc_deleted' => $bits,
                'rc_patrolled' => 1
            ],
            [
                'rc_this_oldid' => $this->revision->getId(), // condition
                // non-unique timestamp index
                'rc_timestamp' => $dbw->timestamp( $this->revision->getTimestamp() ),
            ],
            __METHOD__
        );
 
        return true;
    }
 
    public function isDeleted() {
        return $this->revision->isDeleted( Revision::DELETED_TEXT );
    }
 
    public function isHideCurrentOp( $newBits ) {
        return ( $newBits & Revision::DELETED_TEXT )
            && $this->list->getCurrent() == $this->getId();
    }
 
    protected function getRevisionLink() {
        $date = $this->list->getLanguage()->userTimeAndDate(
            $this->revision->getTimestamp(), $this->list->getUser() );
 
        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return htmlspecialchars( $date );
        }
 
        return $this->getLinkRenderer()->makeKnownLink(
            $this->list->title,
            $date,
            [],
            [
                'oldid' => $this->revision->getId(),
                'unhide' => 1
            ]
        );
    }
 
    protected function getDiffLink() {
        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return $this->list->msg( 'diff' )->escaped();
        } else {
            return $this->getLinkRenderer()->makeKnownLink(
                    $this->list->title,
                    $this->list->msg( 'diff' )->text(),
                    [],
                    [
                        'diff' => $this->revision->getId(),
                        'oldid' => 'prev',
                        'unhide' => 1
                    ]
                );
        }
    }
 
    public function getHTML() {
        $difflink = $this->list->msg( 'parentheses' )
            ->rawParams( $this->getDiffLink() )->escaped();
        $revlink = $this->getRevisionLink();
        $userlink = Linker::revUserLink( $this->revision );
        $comment = Linker::revComment( $this->revision );
        if ( $this->isDeleted() ) {
            $revlink = "<span class=\"history-deleted\">$revlink</span>";
        }
        $content = "$difflink $revlink $userlink $comment";
        $attribs = [];
        $tags = $this->getTags();
        if ( $tags ) {
            list( $tagSummary, $classes ) = ChangeTags::formatSummaryRow(
                $tags,
                'revisiondelete',
                $this->list->getContext()
            );
            $content .= " $tagSummary";
            $attribs['class'] = implode( ' ', $classes );
        }
        return Xml::tags( 'li', $attribs, $content );
    }
 
    public function getTags() {
        return $this->row->ts_tags;
    }
 
    public function getApiData( ApiResult $result ) {
        $rev = $this->revision;
        $user = $this->list->getUser();
        $ret = [
            'id' => $rev->getId(),
            'timestamp' => wfTimestamp( TS_ISO_8601, $rev->getTimestamp() ),
            'userhidden' => (bool)$rev->isDeleted( Revision::DELETED_USER ),
            'commenthidden' => (bool)$rev->isDeleted( Revision::DELETED_COMMENT ),
            'texthidden' => (bool)$rev->isDeleted( Revision::DELETED_TEXT ),
        ];
        if ( $rev->userCan( Revision::DELETED_USER, $user ) ) {
            $ret += [
                'userid' => $rev->getUser( Revision::FOR_THIS_USER ),
                'user' => $rev->getUserText( Revision::FOR_THIS_USER ),
            ];
        }
        if ( $rev->userCan( Revision::DELETED_COMMENT, $user ) ) {
            $ret += [
                'comment' => $rev->getComment( Revision::FOR_THIS_USER ),
            ];
        }
 
        return $ret;
    }
}