field_types.ex

defmodule ModContact.Types.FieldTypes do
  import Utils.Gettext

  @external_resource field_types_path = Path.join([__DIR__, "res", "field_types.json"])

  # Loads field types in module attributes
  Module.register_attribute __MODULE__, :field_types, accumulate: true

  {:ok, json} =
    with {:ok, body} <- File.read(field_types_path),
          {:ok, json} <- Poison.decode(body), do: {:ok, json}

  Enum.filter(json, &Map.has_key?(&1, "id"))
  |> Enum.map(&Module.put_attribute(__MODULE__, :field_types, &1))

  # For each exising locale we define the field_types function that will translate name
  for locale <- Application.get_env(:utils, Utils.Gettext)[:locales] do
    field_types =
      Enum.map(@field_types, fn field_type ->
        if Map.has_key?(field_type, "name") do
          IO.inspect(unquote(field_type["name"]))
          Map.put(field_type, "name", dgettext("field_types", unquote(field_type["name"])))
        else
          field_type
        end
      end)

    def field_types(unquote(locale)), do: unquote(Macro.escape(field_types))
  end

  @doc """
  Returns field types list
  """
  def field_types(_locale), do: field_types(Application.get_env(:utils, :default_locale, "fr"))
end