multi-user support

app/lib/auth.ts

@@ -1,6 +1,7 @@
 import NextAuth, { NextAuthConfig } from 'next-auth';
 import GoogleProvider from 'next-auth/providers/google';
 import { Session } from 'next-auth';
+import { AuthenticatedUser } from './types/next-auth';
 
 const authConfig: NextAuthConfig = {
    callbacks: {
@@ -45,4 +46,20 @@ const authConfig: NextAuthConfig = {
    },
 };
 
-export const { auth, handlers: { GET, POST } } = NextAuth(authConfig);
+export const { auth, handlers: { GET, POST } } = NextAuth(authConfig);
+
+export const withUser = (fn: (user: AuthenticatedUser, ...args:any) => Promise<any>) => async (...args:any) => {
+   const session = await auth();
+
+   if(!session) {
+      return({
+         errors: {
+            message: "Not authenticated",
+         },
+         message: "Not authenticated",
+      });
+   }
+   const { user } = session;
+
+   return(fn(user, ...args));
+}