feat: premium workspace usernames

apps/web/src/pages/api/stripe/webhook.ts

@@ -0,0 +1,82 @@
+import type { NextRequest } from "next/server";
+import { NextResponse } from "next/server";
+import { Stripe } from "stripe";
+
+import * as workspaceRepo from "@kan/db/repository/workspace.repo";
+import { createNextClient } from "@kan/supabase/clients";
+
+const stripeSecretKey = process.env.STRIPE_SECRET_KEY;
+
+if (!stripeSecretKey) {
+  throw new Error("STRIPE_SECRET_KEY is not defined");
+}
+
+export const webCrypto = Stripe.createSubtleCryptoProvider();
+
+const stripe: Stripe = new Stripe(stripeSecretKey, {
+  apiVersion: "2024-12-18.acacia",
+  httpClient: Stripe.createFetchHttpClient(),
+});
+
+export default async function handler(req: NextRequest) {
+  if (req.method !== "POST") {
+    return new Response(JSON.stringify({ message: "Method not allowed" }), {
+      status: 405,
+    });
+  }
+
+  const sig = req.headers.get("stripe-signature");
+
+  if (!sig) {
+    return new Response(JSON.stringify({ message: "No signature found" }), {
+      status: 400,
+    });
+  }
+
+  try {
+    const body = await req.text();
+
+    const event = await stripe.webhooks.constructEventAsync(
+      body,
+      sig,
+      process.env.STRIPE_WEBHOOK_SECRET!,
+      undefined,
+      webCrypto,
+    );
+
+    const response = NextResponse.next();
+
+    const db = createNextClient(req, response);
+
+    switch (event.type) {
+      case "checkout.session.completed": {
+        const checkoutSession = event.data.object;
+
+        const metaData = checkoutSession.metadata;
+
+        if (metaData?.workspacePublicId && metaData.username) {
+          await workspaceRepo.update(
+            db,
+            metaData.workspacePublicId,
+            undefined,
+            metaData.username,
+          );
+        }
+        break;
+      }
+      default:
+        console.log(`Unhandled event type: ${event.type}`);
+    }
+
+    return new Response(JSON.stringify({ received: true }), { status: 200 });
+  } catch (err) {
+    console.error("Webhook error:", err);
+    return new Response(JSON.stringify({ message: "Webhook handler failed" }), {
+      status: 400,
+    });
+  }
+}
+
+export const runtime = "edge";
+export const preferredRegion = "lhr1";
+export const dynamic = "force-dynamic";