success.astro

---
import Layout from "@/layouts/Layout.astro"
import Stripe from "stripe"
import { centsToNanoUSD, centsToString } from "@/lib/utils"

const sessionId = Astro.params.id
if (!sessionId) {
  return new Response("Missing sessionId", { status: 400 })
}

const stripe = new Stripe(Astro.locals.runtime.env.STRIPE_SECRET_KEY)

const session = await stripe.checkout.sessions.retrieve(sessionId)
console.log(session)

if (session.payment_status !== "paid" || session.status !== "complete") {
  return new Response("Payment not completed", { status: 400 })
}

// TODO:
// https://docs.stripe.com/api/checkout/sessions/object#checkout_session_object-currency_conversion
if (session.currency !== "usd") {
  return new Response("Invalid currency", { status: 400 })
}

if (!session.metadata?.appId) {
  return new Response("Invalid sessionId", { status: 400 })
}

if (!session.amount_total) {
  return new Response("Missing amount_total", { status: 400 })
}

const { appId, userId } = session.metadata

if (
  Astro.locals.auth().userId &&
  userId &&
  userId !== Astro.locals.auth().userId
) {
  return new Response("Forbidden", { status: 403 })
}

await Astro.locals.db.payments.create({
  appId,
  userId,
  stripeCheckoutSessionId: sessionId,
  amount: session.amount_total,
})

const billingId: DurableObjectId =
  Astro.locals.runtime.env.BILLING_DURABLE_OBJECT.idFromName(appId)
const billing = Astro.locals.runtime.env.BILLING_DURABLE_OBJECT.get(billingId)
await billing.addWorkerFunds(centsToNanoUSD(session.amount_total))
---

<Layout>
  <main>
    <p>
      Added {centsToString(session.amount_total)} to <a href=`/apps/${appId}`
        >{appId}</a
      >
    </p>
  </main>
</Layout>