+
+ defp make_date do
+ DateTime.utc_now() |> DateTime.to_iso8601
+ end
+
+ defp get_user(user, params) do
+ case params do
+ %{ "user_id" => user_id } ->
+ Repo.get(User, user_id)
+ %{ "screen_name" => nickname } ->
+ Repo.get_by!(User, nickname: nickname)
+ _ ->
+ user
+ end
+ end