Inserting Multiple Changesets Into Database - create controller example

person_controller.ex

...

def create(conn, %{"person" => params}) do
    changeset = Person.changeset(%Person{}, class_params)

    case Repo.insert(changeset) do
      {:ok, person} ->
        conn
        |> put_status(:created)
        |> render("show.json", person: person)
      {:error, _, changeset, _} ->
        conn
        |> put_status(:unprocessable_entity)
        |> render(MyApp.ChangesetView, "error.json", changeset: changeset)
    end
  end
  
  ...