如何在订阅模式下的支付方式的 Stripe webhook 中访问结帐会话元数据

问题描述 投票:0回答:1

我将 Stripe Checkout 集成到 Django 应用程序中,并处理 Webhooks 以根据支付事件更新用户信息。但是,在处理

Checkout Session
对象时,我在访问与
payment_method
相关的元数据时遇到了问题。

背景:

我对 Stripe Checkout 有以下设置:

  • StripeCheckoutMonthlyView
    StripeCheckoutYearlyView
    :两者都使用元数据创建
    Checkout Session
    (例如,
    user_id
    plan_type
    )。
  • Webhook Handler (
    stripe_webhook
    )
    :处理来自 Stripe 的不同事件类型。

问题:

payment_method.attached
事件中,我需要访问
Checkout Session
中包含的元数据。但是,
payment_method
对象不包含元数据,并且不直接引用
Checkout Session

这是我的 webhook 处理程序的外观:

@csrf_exempt
def stripe_webhook(request):
    payload = request.body
    event = None

    print('Stripe Webhook Received!')

    try:
        event = stripe.Event.construct_from(
            json.loads(payload), stripe.api_key
        )
    except ValueError as e:
        # Invalid payload
        return HttpResponse(status=400)

    if event.type == 'payment_intent.succeeded':
        # Handle payment_intent.succeeded event
        pass
    elif event.type == 'payment_method.attached':
        payment_method = event.data.object
        # Issue: Payment method does not include metadata or session_id
        pass
    elif event.type == 'checkout.session.completed':
        session = event.data.object
        # Retrieve session metadata here
        pass
    else:
        print('Unhandled event type {}'.format(event.type))

    return HttpResponse(status=200)

我需要什么:

我需要根据

Checkout Session
中包含的元数据更新用户信息。具体来说:

  1. payment_method.attached
    事件中访问元数据。
  2. 处理
    Checkout Session
    事件时从
    payment_method
    检索元数据。

尝试的解决方案:

我尝试使用

payment_intent_data

class StripeCheckoutMonthlyView(APIView):
   def post(self, request, *args, **kwargs):
        # try:
        checkout_session = stripe.checkout.Session.create(
            line_items=[
                {
                    'price': settings.STRIPE_PRICE_ID_MONTHLY,
                    'quantity': 1,
                },
            ],
            payment_method_types=['card'],
            mode='subscription',
            success_url=settings.SITE_URL + '/pagamento/?success=true&session_id={CHECKOUT_SESSION_ID}',
            cancel_url=settings.SITE_URL + '/?canceled=true',
            metadata={'user_id': request.user.id,
                        'plan_type': 'monthly'},
            payment_intent_data={
                'metadata': {
                    'user_id': request.user.id,
                }
            }
        )
        return Response({'url': checkout_session.url,
                            'id': checkout_session.id,
                            }, status=status.HTTP_200_OK)

然后在适当的函数中使用它:

def add_info_card(payment_method):
    """
    Update the user's card details and payment date based on the payment intent.
    
    Args:
        payment_method: The payment intent object from Stripe containing card and charge details.
        user: The user object retrieved from the database.
    """
    print('Payment Method: ', payment_method)
    user = get_object_or_404(User, id=payment_method.metadata.user_id)

    last4 = payment_method['card']['last4']
    payment_date = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
    brand_card = payment_method['card']['brand']

    print('Last 4: ', last4)
    print('Payment Date: ', payment_date)
    
    # Update the user with card details and payment date
    user.card_last4 = last4
    user.brand_card = brand_card
    user.payment_date = payment_date
    user.save()
    print(f"User {user.id} updated with card details and payment date.")

但收到错误:

stripe._error.InvalidRequestError: Request req_td3acLmE4ziQqi: You can not pass `payment_intent_data` in `subscription` mode.

问题:

  1. 处理
    Checkout Session
    事件时如何访问
    payment_method
    元数据?
  2. payment_method
    链接到 webhook 中的
    Checkout Session
    元数据的最佳方式是什么?
python django stripe-payments
1个回答
0
投票

对于具有

subscription
模式的结帐会话,应在
subscription_data.metadata
下设置元数据。

元数据将在以下位置提供:

元数据在付款方式或付款意图对象上不可用。

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