public function generateRules($attributes)
    {
        $rules = [];
        $safeAttributes = [];
        foreach ($attributes as $attribute) {
            if ($attribute == '_id') {
                continue;
            }
            $safeAttributes[] = $attribute;
        }
        if (!empty($safeAttributes)) {
            $rules[] = "[['" . implode("', '", $safeAttributes) . "'], 'safe']";
        }
        return $rules;
    }