Initial commit

app/api/stripe/checkout/route.ts

@@ -0,0 +1,64 @@
+import { NextResponse } from 'next/server';
+import Stripe from 'stripe';
+
+const stripeSecretKey = process.env.STRIPE_SECRET_KEY;
+
+const stripe = stripeSecretKey
+  ? new Stripe(stripeSecretKey, { apiVersion: '2024-06-20' })
+  : null;
+
+export async function POST(request: Request) {
+  try {
+    if (!stripe) {
+      return NextResponse.json({ error: 'Stripe is not configured.' }, { status: 500 });
+    }
+
+    const body = await request.json();
+    const credits = Number(body?.credits);
+    const amount = Number(body?.amount);
+    const userId = body?.userId as string | undefined;
+
+    // TODO: Get userId from auth token
+    const resolvedUserId = userId ?? 'test-user-id';
+
+    if (!resolvedUserId || !Number.isFinite(credits) || credits <= 0) {
+      return NextResponse.json({ error: 'Invalid checkout payload.' }, { status: 400 });
+    }
+
+    if (!Number.isFinite(amount) || amount <= 0) {
+      return NextResponse.json({ error: 'Invalid amount.' }, { status: 400 });
+    }
+
+    const origin = request.headers.get('origin') ?? 'http://localhost:3000';
+
+    const session = await stripe.checkout.sessions.create({
+      mode: 'payment',
+      payment_method_types: ['card'],
+      line_items: [
+        {
+          quantity: 1,
+          price_data: {
+            currency: 'eur',
+            unit_amount: amount * 100,
+            product_data: {
+              name: `${credits} HolaCompi Credits`,
+              description: 'Pay-as-you-go voice call credits',
+            },
+          },
+        },
+      ],
+      success_url: `${origin}/dashboard/credits?success=true`,
+      cancel_url: `${origin}/dashboard/credits?canceled=true`,
+      metadata: {
+        userId: resolvedUserId,
+        credits: credits.toString(),
+        amount: amount.toString(),
+      },
+    });
+
+    return NextResponse.json({ sessionId: session.id, url: session.url });
+  } catch (error) {
+    console.error('Stripe checkout error:', error);
+    return NextResponse.json({ error: 'Failed to create checkout session.' }, { status: 500 });
+  }
+}