ChangeTagsLogItem.php

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<?php
use MediaWiki\MediaWikiServices;

class ChangeTagsLogItem extends RevisionItemBase {
    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 getAuthorActorField() {
        return 'log_actor';
    }

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

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

    public function getTags() {
        return $this->row->ts_tags;
    }

    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 = MediaWikiServices::getInstance()->getLinkRenderer()->makeLink(
            SpecialPage::getTitleFor( 'Log' ),
            $this->list->msg( 'log' )->text(),
            [],
            [ 'page' => $title->getPrefixedText() ]
        );
        $loglink = $this->list->msg( 'parentheses' )->rawParams( $loglink )->escaped();
        // User links and action text
        $action = $formatter->getActionText();

        $comment = $this->list->getLanguage()->getDirMark() .
            $formatter->getComment();

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

        $content = "$loglink $date $action $comment";
        $attribs = [];
        $tags = $this->getTags();
        if ( $tags ) {
            list( $tagSummary, $classes ) = ChangeTags::formatSummaryRow(
                $tags,
                'edittags',
                $this->list->getContext()
            );
            $content .= " $tagSummary";
            $attribs['class'] = implode( ' ', $classes );
        }
        return Xml::tags( 'li', $attribs, $content );
    }
}