#_sidharth

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misty cedarBOT
sage marsh
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Hi there!

raw bluff
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Hi soma!

sage marsh
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You can't add anything to the body of a webhook event.

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The only option would be to use the metadata field to store additional information

raw bluff
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ok please hear me out the scenario...
There are 3 plans. A customer chooses a plan and pays to the app using Stripe checkout(I have created 3 plans as 3 products in stripe dashboard). Now after the payment is success, i want to store the payment details like transac id , plan_id .

# 
   def process_payment(request: CheckoutRequest):
        if not PlanRepository.get_plan_by_id(request.plan_id):
            return {"message": "Invalid plan type"}

        plan_details = PlanRepository.get_plan_by_id(request.plan_id)
        plan_name = plan_details.name
        # Check if the customer exists or not. If not, create a new customer
        if request.customer_id:
            customer = stripe.Customer.retrieve(request.customer_id)
        else:
            customer = stripe.Customer.create()

        try:
            session = stripe.checkout.Session.create(
                success_url="",  # need to add
                cancel_url="",  # need to add
                mode="payment",
                line_items=[{
                    "price": PlanUtils.plan_price_mapping()[PlanRepository.get_plan_by_id(request.plan_id).name],
                    "quantity": 1
                }],
            )
            return {"sessionId": session["id"]}

        except stripe.error.StripeError as e:
            logger.error(str(e))
            raise AppHTTPException(
                status_code=status.HTTP_403_FORBIDDEN,
                detail=str(e)
            )

above is fastapi code for the checkout

#

Below is the code which i have wrote inside the route which is mapped for the webhook

 async def get_payment_stats(request: Request, plan_id: str, stripe_signature: str = Header(str)):

        data = await request.body()
        plan_details = PlanRepository.get_plan_by_id(plan_id)
        try:
            event = stripe.Webhook.construct_event(
                payload=data,
                sig_header=stripe_signature,
                secret=config.webhook_secret
            )

        except ValueError as e:
            logger.error(str(e))
            raise AppHTTPException(
                status_code=status.HTTP_403_FORBIDDEN,
                detail=str(e)
            )

        except stripe.error.SignatureVerificationError as e:
            logger.error(str(e))
            raise AppHTTPException(
                status_code=status.HTTP_401_UNAUTHORIZED,
                detail=str(e)
            )

        event_type = event['type']
        session = event['data']['object']

        if event_type == 'checkout.session.expired':
            logger.error(f"Payment failed. {session}")
            return ErrorResponse(body="Payment failed. Please try again")

        elif event_type == 'checkout.session.completed':
            user_id = UserRepository.get_user_by_email(
                session['object']['customer_details']['email'])  # extract user id
            logger.info(f"Payment Success {session['object']['customer_details']['email']}")
            #STORE DETAILS HERE

            return SuccessResponse(body="Payment successful")
        else:
            logger.info(f"{event_type}. {session}")
            return event_type
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according to u, which part would be best to write the logic for storing the payment details to my DB?

sage marsh
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What do you mean by "payment details"? What exactly do you want to store?

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But for this type of things, I would use the checkout.session.completed event to udpate your database.

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And in the payload (plus some extra API call if needed) you can get all the info you need.

raw bluff
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ok so let's say the payment_details be like transac_id , email, transac_time, etc which i would easily get from the response sent by stripe to my webhook. Only concern is to track that plan_id selected by the user

sage marsh
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This way you get access to the Product/Price the customer bought

raw bluff
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ooh...now got it Soma..thanks a lot!

sage marsh
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Happy to help 🙂