Update myFunctions for Convex Auth

Author: sshader

convex/myFunctions.ts

@@ -1,6 +1,7 @@
 import { v } from "convex/values";
 import { query, mutation, action } from "./_generated/server";
 import { api } from "./_generated/api";
+import { getAuthUserId } from "@convex-dev/auth/server";
 
 // Write your Convex functions in any file inside this directory (`convex`).
 // See https://docs.convex.dev/functions for more.
@@ -21,8 +22,10 @@ export const listNumbers = query({
       // Ordered by _creationTime, return most recent
       .order("desc")
       .take(args.count);
+    const userId = await getAuthUserId(ctx);
+    const user = userId === null ? null : await ctx.db.get(userId);
     return {
-      viewer: (await ctx.auth.getUserIdentity())?.name ?? null,
+      viewer: user?.email ?? null,
       numbers: numbers.reverse().map((number) => number.value),
     };
   },