def oauth_success():
auth_code = request.args.get('code')
credentials = flow.step2_exchange(auth_code)
unique_id = credentials.id_token['sub']
curr_user = UserDao.does_user_exist(unique_id)
if not curr_user:
curr_user = UserDao.add_user(unique_id,"",_generate_key(),credentials.access_token)
session['logged_in_user'] = curr_user.id
return redirect("/")
