Airship\Cabin\Bridge\Blueprint\Author::userIsOwner PHP Method

    public function userIsOwner(int $authorId, int $userId = 0) : bool
    {
        if ($userId < 1) {
            $userId = $this->getActiveUserId();
        }
        return (bool) $this->db->cell('SELECT in_charge FROM view_hull_users_authors WHERE authorid = ? AND userid = ?', $authorId, $userId);
    }