result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid', 'type': 'error'}}

try:
    dbname = get_module_dbname('product_management')
    data = dict(params_kw)
    data['id'] = getID()
    data['created_at'] = timestampstr()
    data['updated_at'] = timestampstr()
    if 'status' not in data:
        data['status'] = '1'
    if 'quota_total' not in data:
        data['quota_total'] = '0'
    if 'quota_used' not in data:
        data['quota_used'] = '0'
    if 'overflow_rate' not in data:
        data['overflow_rate'] = '0'
    if 'purchase_price' not in data:
        data['purchase_price'] = '0'
    if 'purchase_currency' not in data:
        data['purchase_currency'] = 'CNY'
    if 'overflow_mode' not in data:
        data['overflow_mode'] = '1'

    if not data.get('product_id'):
        raise ValueError('产品ID不能为空')
    if not data.get('user_id'):
        raise ValueError('用户ID不能为空')
    if not data.get('user_org_id'):
        raise ValueError('用户机构ID不能为空')
    if not data.get('subscription_type'):
        raise ValueError('订购类型不能为空')
    if not data.get('start_date'):
        raise ValueError('生效日期不能为空')
    if not data.get('end_date'):
        raise ValueError('到期日期不能为空')

    async with DBPools().sqlorContext(dbname) as sor:
        await sor.C('product_subscription', data)

    result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '订购创建成功', 'type': 'success'}}
except Exception as e:
    result['options'] = {'title': 'Error', 'message': '创建失败: ' + str(e), 'type': 'error'}

return json.dumps(result, ensure_ascii=False)