bug fix + use id instead of username for lookup

pages/api/payment/index.ts

@@ -8,7 +8,7 @@ export default async function users(req: NextApiRequest, res: NextApiResponse) {
   const PRICE_ID = process.env.PRICE_ID;
   const session = await getServerSession(req, res, authOptions);
 
-  if (!session?.user?.username)
+  if (!session?.user?.id)
     return res.status(401).json({ response: "You must be logged in." });
   else if (!STRIPE_SECRET_KEY || !PRICE_ID) {
     return res.status(400).json({ response: "Payment is disabled." });
@@ -18,7 +18,6 @@ export default async function users(req: NextApiRequest, res: NextApiResponse) {
     const users = await paymentCheckout(
       STRIPE_SECRET_KEY,
       session?.user.email,
-      "register",
       PRICE_ID
     );
     return res.status(users.status).json({ response: users.response });