Refactor to use hooks (#436)

app/(chat)/api/history/route.ts

@@ -0,0 +1,13 @@
+import { auth } from "@/app/(auth)/auth";
+import { getChatsByUserId } from "@/db/queries";
+
+export async function GET() {
+  const session = await auth();
+
+  if (!session || !session.user) {
+    return Response.json("Unauthorized!", { status: 401 });
+  }
+
+  const chats = await getChatsByUserId({ id: session.user.id! });
+  return Response.json(chats);
+}