private function relationship($path, $model)
    {
        $lines = file($path, FILE_IGNORE_NEW_LINES);
        $last = count($lines) - 1;
        unset($lines[$last]);
        $result = implode("\n", array_values($lines));
        $model = view('scaffold-interface::template.ManyToMany.model', ['model' => $model])->render();
        $result = $result."\n\n\t".$model."\n".'}'."\n";

        return file_put_contents($path, $result);
    }