public function historyBadge(ModelHistory $history): string
    {
        $action = '';
        switch ($history->action) {
            case ModelHistory::ACTION_UPDATE:
                $icon = 'refresh';
                break;
            case ModelHistory::ACTION_DELETE:
                $icon = 'minus-circle';
                break;
            case ModelHistory::ACTION_COMMENT:
                $icon = 'comments';
                break;
            default:
            case ModelHistory::ACTION_CREATE:
                $icon = 'plus-circle';
                break;
        }

        return '<i class="fa fa-' . $icon . '"></i>';
    }