Portmeirion.IdentifyController V1

identify_controller.ex

defp find_or_create_user(params) do
  user = find_user_by_login(params) || find_user_by_device(params) || find_user_by_prism(params)
  ...
end

defp find_user_by_login(%{"login_id" => login_id}), do: Repo.get_by(Portmeirion.User, %{login_id: login_id})
defp find_user_by_login(_), do: nil

defp find_user_by_device(%{"device_id" => device_id}) do
  Repo.one(
    from d in Portmeirion.Device,
    join: u in assoc(d, :user),
    where: d.device_id == ^device_id,
    select: %{warehouse_id: u.warehouse_id}
  )
end
defp find_user_by_device(_), do: nil

# If we have no other information, then we will have to rely on prism_id
defp find_user_by_prism(%{"prism_id" => prism_id}), do: Repo.get_by(Portmeirion.User, %{prism_id: prism_id})
defp find_user_by_prism(_), do: nil