RevisionItem.php

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<?php
class RevisionItem extends RevisionItemBase {
    protected $revision;
 
    protected $context;
 
    public function __construct( $list, $row ) {
        parent::__construct( $list, $row );
        $this->revision = new Revision( $row );
        $this->context = $list->getContext();
    }
 
    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->context->getUser() );
    }
 
    public function canViewContent() {
        return $this->revision->userCan( Revision::DELETED_TEXT, $this->context->getUser() );
    }
 
    public function isDeleted() {
        return $this->revision->isDeleted( Revision::DELETED_TEXT );
    }
 
    protected function getRevisionLink() {
        $date = $this->list->getLanguage()->userTimeAndDate(
            $this->revision->getTimestamp(), $this->list->getUser() );
 
        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return htmlspecialchars( $date );
        }
        $linkRenderer = $this->getLinkRenderer();
        return $linkRenderer->makeKnownLink(
            $this->list->title,
            $date,
            [],
            [
                'oldid' => $this->revision->getId(),
                'unhide' => 1
            ]
        );
    }
 
    protected function getDiffLink() {
        if ( $this->isDeleted() && !$this->canViewContent() ) {
            return $this->context->msg( 'diff' )->escaped();
        } else {
            $linkRenderer = $this->getLinkRenderer();
            return $linkRenderer->makeKnownLink(
                    $this->list->title,
                    $this->list->msg( 'diff' )->text(),
                    [],
                    [
                        'diff' => $this->revision->getId(),
                        'oldid' => 'prev',
                        'unhide' => 1
                    ]
                );
        }
    }
 
    public function getHTML() {
        $difflink = $this->context->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>";
    }
}