RevDelLogItem.php

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<?php
class RevDelLogItem extends RevDelItem {
    public function getIdField() {
        return 'log_id';
    }

    public function getTimestampField() {
        return 'log_timestamp';
    }

    public function getAuthorIdField() {
        return 'log_user';
    }

    public function getAuthorNameField() {
        return 'log_user_text';
    }

    public function canView() {
        return LogEventsList::userCan( $this->row, Revision::DELETED_RESTRICTED, $this->list->getUser() );
    }

    public function canViewContent() {
        return true; // none
    }

    public function getBits() {
        return $this->row->log_deleted;
    }

    public function setBits( $bits ) {
        $dbw = wfGetDB( DB_MASTER );
        $dbw->update( 'recentchanges',
            array(
                'rc_deleted' => $bits,
                'rc_patrolled' => 1
            ),
            array(
                'rc_logid' => $this->row->log_id,
                'rc_timestamp' => $this->row->log_timestamp // index
            ),
            __METHOD__
        );
        $dbw->update( 'logging',
            array( 'log_deleted' => $bits ),
            array(
                'log_id' => $this->row->log_id,
                'log_deleted' => $this->getBits()
            ),
            __METHOD__
        );

        return (bool)$dbw->affectedRows();
    }

    public function getHTML() {
        $date = htmlspecialchars( $this->list->getLanguage()->userTimeAndDate(
            $this->row->log_timestamp, $this->list->getUser() ) );
        $title = Title::makeTitle( $this->row->log_namespace, $this->row->log_title );
        $formatter = LogFormatter::newFromRow( $this->row );
        $formatter->setContext( $this->list->getContext() );
        $formatter->setAudience( LogFormatter::FOR_THIS_USER );

        // Log link for this page
        $loglink = Linker::link(
            SpecialPage::getTitleFor( 'Log' ),
            $this->list->msg( 'log' )->escaped(),
            array(),
            array( 'page' => $title->getPrefixedText() )
        );
        $loglink = $this->list->msg( 'parentheses' )->rawParams( $loglink )->escaped();
        // User links and action text
        $action = $formatter->getActionText();
        // Comment
        $comment = $this->list->getLanguage()->getDirMark()
            . Linker::commentBlock( $this->row->log_comment );

        if ( LogEventsList::isDeleted( $this->row, LogPage::DELETED_COMMENT ) ) {
            $comment = '<span class="history-deleted">' . $comment . '</span>';
        }

        return "<li>$loglink $date $action $comment</li>";
    }

    public function getApiData( ApiResult $result ) {
        $logEntry = DatabaseLogEntry::newFromRow( $this->row );
        $user = $this->list->getUser();
        $ret = array(
            'id' => $logEntry->getId(),
            'type' => $logEntry->getType(),
            'action' => $logEntry->getSubtype(),
        );
        $ret += $logEntry->isDeleted( LogPage::DELETED_USER )
            ? array( 'userhidden' => '' )
            : array();
        $ret += $logEntry->isDeleted( LogPage::DELETED_COMMENT )
            ? array( 'commenthidden' => '' )
            : array();
        $ret += $logEntry->isDeleted( LogPage::DELETED_ACTION )
            ? array( 'actionhidden' => '' )
            : array();

        if ( LogEventsList::userCan( $this->row, LogPage::DELETED_ACTION, $user ) ) {
            ApiQueryLogEvents::addLogParams(
                $result,
                $ret,
                $logEntry->getParameters(),
                $logEntry->getType(),
                $logEntry->getSubtype(),
                $logEntry->getTimestamp(),
                $logEntry->isLegacy()
            );
        }
        if ( LogEventsList::userCan( $this->row, LogPage::DELETED_USER, $user ) ) {
            $ret += array(
                'userid' => $this->row->log_user,
                'user' => $this->row->log_user_text,
            );
        }
        if ( LogEventsList::userCan( $this->row, LogPage::DELETED_COMMENT, $user ) ) {
            $ret += array(
                'comment' => $this->row->log_comment,
            );
        }

        return $ret;
    }
}