#derin_webhooks

1 messages · Page 1 of 1 (latest)

viscid shuttleBOT
#

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hollow bronze
#

I get the error that the amount refund is not accurate.
What is the error? What are the expected and actual behaviors?

vale tendon
#

const createRefund = async (req, res, next) => {
const { paymentIntentId, bookId } = req.body;

try {
const book = await Book.findById(bookId);

if (!book) {
  return res
    .status(404)
    .json({ success: false, message: "Book not found" });
}

const refundAmount = book.price * 100;

const refund = await stripe.refunds.create({
  payment_intent: paymentIntentId,
  amount: refundAmount,
});

res.status(200).json({ success: true, refund });

} catch (error) {
console.error("Error creating refund:", error);
res
.status(500)
.json({ success: false, message: "Failed to create refund" });
}
};

const webhookRefund = (req, res, next) => {
const signature = req.headers["stripe-signature"];

let event;

try {
event = stripe.webhooks.constructEvent(
req.body,
signature,
process.env.STRIPE_REFUND_WEBHOOK_TEST_SECRET
);
} catch (err) {
console.error("Webhook signature verification failed:", err.message);
return res.status(400).send(Webhook Error: ${err.message});
}

if (event.type === "charge.refunded") {
const refund = event.data.object;

if (refund.status === "succeeded") {
  const paymentIntentId = refund.payment_intent;

  const { bookId } = req.body;

  Purchase.findOneAndUpdate(
    { paymentIntentId, book: bookId },
    { refunded: true }
  )
    .then(() => {
      console.log("Purchase marked as refunded");
    })
    .catch((err) => {
      console.error("Error updating refund status:", err);
    });
}

}

res.json({ received: true });
};

#

app.post(
"api/webhook-refund",
express.raw({ type: "application/json" }),
purchaseController.webhookRefund
);

hollow bronze
#

The code looks fine to me. What is the expected behaviour?

#

Could you share your use case in an example?

vale tendon
#

The attachment shows the error on my DigitalOcean Runtime Log. The price of the product to refund is $6.99 and it says something about unrefunded amount being $6.54.

📎 message.txt
#

So I believe the refund amount should be after the Stripe fee, that I don't know how to derive.

hollow bronze
#

Your refund amount isn't calculated correctly, more specifically this line of code:

amount: refundAmount,

Somehow refundAmount became NaN when sending the request to Stripe

#

I'd recommend logging the refundAmount and check why the amount isn't an integer

vale tendon
#

Thank you. I will log the refundAmount to determine where the problem is