sandbox-web-ide/frontend/app/(app)/layout.tsx

import { User } from "@/lib/types";
import { currentUser } from "@clerk/nextjs";
import { redirect } from "next/navigation";

export default async function AppAuthLayout({
  children,
}: {
  children: React.ReactNode;
}) {
  const user = await currentUser();

  if (!user) {
    redirect("/");
  }

  const dbUser = await fetch(
    `https://database.ishaan1013.workers.dev/api/user?id=${user.id}`
  );
  const dbUserJSON = (await dbUser.json()) as User;

  if (!dbUserJSON.id) {
    const res = await fetch(
      "https://database.ishaan1013.workers.dev/api/user",
      {
        method: "POST",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({
          id: user.id,
          name: user.firstName + " " + user.lastName,
          email: user.emailAddresses[0].emailAddress,
        }),
      }
    );
  }

  return <>{children}</>;
}