gistfile1.txt

Part of the code in the controller


if changeset_order.valid? do
      Repo.transaction fn ->
        # Save Order
        order = changeset_order 
                |> Repo.insert! 
                |> Repo.preload(:buyer)
        # Save Order Products
        Enum.map(order_products, fn order_product ->
          order_product = Repo.insert!(order_product) |> Repo.preload(:order)
          changeset = Ecto.Changeset.change(order_product) |> Ecto.Changeset.put_assoc(:order, order)
          Repo.update!(changeset)
        end)
        CheckoutService.charge_customer(total_amount, "fake-valid-nonce")
        render conn, "show.json", order: order
      end
    else
      render conn, ExRushlookApi.ChangesetView, "error.json", changeset: changeset_order
    end


Template Views


defmodule ExRushlookApi.OrderView do
  use ExRushlookApi.Web, :view

  def render("index.json", %{orders: orders}) do
    %{data: render_many(orders, __MODULE__, "order.json")}
  end

  def render("show.json", %{order: order}) do
    %{data: render_one(order, __MODULE__, "order.json")}
  end

  def render("order.json", %{order: order}) do
    order |> IO.inspect
    %{id: Map.get(order, :id)}
  end
  
  def render("errors.json", %{errors: errors}) do
    %{errors: render_many(errors, __MODULE__, "error.json")}
  end

  def render("error.json", %{error: error}) do
    %{
      key: error.key,
      value: error.value
    }
  end

end