use config redirect for /forms/:id to avoid serverless function

apps/web/next.config.js

@@ -14,6 +14,11 @@ const nextConfig = {
         destination: "/forms/",
         permanent: false,
       },
+      {
+        source: "/forms/:id",
+        destination: "/forms/:id/form",
+        permanent: false,
+      },
     ];
   },
   webpack: (config, { buildId, dev, isServer, defaultLoaders, webpack }) => {

apps/web/pages/forms/[id]/index.tsx

@@ -1,52 +0,0 @@
-import { getSession } from "next-auth/react";
-import Loading from "../../../components/Loading";
-import { formHasOwnership } from "../../../lib/api";
-import { prisma } from "database";
-
-export default function FormIndex() {
-  return <Loading />;
-}
-
-export async function getServerSideProps({ req, params, resolvedUrl }) {
-  const session = await getSession({ req });
-  if (!session) {
-    return {
-      redirect: {
-        destination: `/auth/signin?callbackUrl=${encodeURIComponent(resolvedUrl)}`,
-        statusCode: 302,
-      },
-    };
-  }
-  const formId = params.id.toString();
-  const ownership = await formHasOwnership(session, formId);
-  if (!ownership) {
-    return {
-      redirect: {
-        destination: resolvedUrl,
-        statusCode: 404,
-      },
-    };
-  }
-  // redirect based on number of submissionSession
-  const submissionSessionsData = await prisma.submissionSession.findMany({
-    where: {
-      form: { id: formId },
-    },
-  });
-  if (submissionSessionsData.length > 0) {
-    return {
-      redirect: {
-        permanent: false,
-        destination: `/forms/${formId}/results/summary`,
-      },
-    };
-  } else {
-    // redirect to /form if there isn't one submissionSession
-    return {
-      redirect: {
-        permanent: false,
-        destination: `/forms/${formId}/form`,
-      },
-    };
-  }
-}