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',
            array( 'rev_deleted' => $bits ),
            array(
                'rev_id' => $this->revision->getId(),
                'rev_page' => $this->revision->getPage(),
                'rev_deleted' => $this->getBits()
            ),
            __METHOD__
        );
        if ( !$dbw->affectedRows() ) {
            // Concurrent fail!
            return false;
        }
        // Update recentchanges table
        $dbw->update( 'recentchanges',
            array(
                'rc_deleted' => $bits,
                'rc_patrolled' => 1
            ),
            array(
                '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 = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
            $this->revision->getTimestamp(), $this->list->getUser() ) );

        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return $date;
        }

        return Linker::linkKnown(
            $this->list->title,
            $date,
            array(),
            array(
                'oldid' => $this->revision->getId(),
                'unhide' => 1
            )
        );
    }

    protected function getDiffLink() {
        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return $this->list->msg( 'diff' )->escaped();
        } else {
            return Linker::linkKnown(
                    $this->list->title,
                    $this->list->msg( 'diff' )->escaped(),
                    array(),
                    array(
                        '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>";
        }

        return "<li>$difflink $revlink $userlink $comment</li>";
    }

    public function getApiData( ApiResult $result ) {
        $rev = $this->revision;
        $user = $this->list->getUser();
        $ret = array(
            'id' => $rev->getId(),
            'timestamp' => wfTimestamp( TS_ISO_8601, $rev->getTimestamp() ),
        );
        $ret += $rev->isDeleted( Revision::DELETED_USER ) ? array( 'userhidden' => '' ) : array();
        $ret += $rev->isDeleted( Revision::DELETED_COMMENT ) ? array( 'commenthidden' => '' ) : array();
        $ret += $rev->isDeleted( Revision::DELETED_TEXT ) ? array( 'texthidden' => '' ) : array();
        if ( $rev->userCan( Revision::DELETED_USER, $user ) ) {
            $ret += array(
                'userid' => $rev->getUser( Revision::FOR_THIS_USER ),
                'user' => $rev->getUserText( Revision::FOR_THIS_USER ),
            );
        }
        if ( $rev->userCan( Revision::DELETED_COMMENT, $user ) ) {
            $ret += array(
                'comment' => $rev->getComment( Revision::FOR_THIS_USER ),
            );
        }

        return $ret;
    }
}