+ defp check_expiry_date({:ok, nil} = res), do: res
+
+ defp check_expiry_date({:ok, in_seconds}) do
+ expiry = NaiveDateTime.utc_now() |> NaiveDateTime.add(in_seconds)
+
+ if ActivityExpiration.expires_late_enough?(expiry) do
+ {:ok, expiry}
+ else
+ {:error, "Expiry date is too soon"}
+ end
+ end
+
+ defp check_expiry_date(expiry_str) do
+ Ecto.Type.cast(:integer, expiry_str)
+ |> check_expiry_date()
+ end
+