try:
    data = {"id": params_kw.get('id', '')}
    for f in ['title', 'description', 'content_url', 'thumbnail_url', 'tags',
              'category', 'media_type', 'status', 'is_featured', 'price']:
        v = params_kw.get(f)
        if v is not None:
            data[f] = v
    if 'price' in data:
        data['price'] = float(data['price'])
    data['updated_at'] = curDateString()
    result = await update_showcase_post(data)
    return json.dumps(result, ensure_ascii=False)
except Exception as e:
    return json.dumps({"status": "error", "message": str(e)}, ensure_ascii=False)