feat: Add updatePaymentIntent (#4)

* feat: Add route, function to update a Stripe PaymentIntent

* docs: Add updatePaymentIntent example

* docs: Fix typo

* refactor: Use PUT method

README.md

@@ -59,6 +59,17 @@ const session = await createPaymentIntent({
 })
 ```
 
+#### Update
+
+```js
+import { updatePaymentIntent } from 'next-stripe/client'
+
+const paymentIntent = await updatePaymentIntent('pi_id', {
+  amount: 1000,
+  currency: 'usd'
+})
+```
+
 ## Acknowledgements
 
 - A lot of the patterns in this library were inspred by [NextAuth](https://github.com/nextauthjs/next-auth).

src/client/index.js

@@ -40,4 +40,29 @@ async function createPaymentIntent(body) {
   return res.json()
 }
 
-export default { createCheckoutSession, createPaymentIntent }
+async function updatePaymentIntent(id, body) {
+  const res = await fetch(`/api/stripe/update/payment-intent`, {
+    method: 'PUT',
+    headers: {
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify({ id, body })
+  })
+
+  if (!res.ok) {
+    const error = new Error('An error occurred while performing this request.')
+
+    error.info = await res.json()
+    error.status = res.status
+
+    throw error
+  }
+
+  return res.json()
+}
+
+export default {
+  createCheckoutSession,
+  createPaymentIntent,
+  updatePaymentIntent
+}

src/server/index.js

@@ -15,6 +15,11 @@ async function NextStripeHandler(req, res, options) {
       case 'payment-intent':
         return routes.createPaymentIntent(req, res, options)
     }
+  } else if (method === 'update') {
+    switch (type) {
+      case 'payment-intent':
+        return routes.updatePaymentIntent(req, res, options)
+    }
   }
 }
 

src/server/routes/index.js

@@ -1,3 +1,5 @@
 // Create
 export { default as createCheckoutSession } from './create/checkout-session'
 export { default as createPaymentIntent } from './create/payment-intent'
+// Update
+export { default as updatePaymentIntent } from './update/payment-intent'

src/server/routes/update/payment-intent.js

@@ -0,0 +1,15 @@
+import Stripe from 'stripe'
+
+export default async function updatePaymentIntent(req, res, options) {
+  try {
+    const stripe = new Stripe(options.secret_key)
+
+    const { id, body } = req.body
+
+    const paymentIntent = await stripe.paymentIntents.update(id, body)
+
+    res.status(200).json(paymentIntent)
+  } catch ({ statusCode, raw: { message } }) {
+    res.status(statusCode).json({ message, status: statusCode })
+  }
+}