Change callback to only verify id_token

lib/diskuy_web/controllers/user_controller.ex

@@ -58,9 +58,9 @@ defmodule DiskuyWeb.UserController do
   #   end
   # end
 
-  def callback(conn, %{"code" => code}) do
-    with {:ok, token} = GoogleAuth.get_access_token(code, conn),
-         {:ok, user, new_token}= GoogleAuth.create_local_token(token) do
+  def callback(conn, _params) do
+    token = Guardian.Plug.current_token(conn)
+    with {:ok, user, new_token}= GoogleAuth.create_local_token(token) do
       conn
       |> put_status(:created)
       |> render("user_token.json", %{user: user, token: new_token})