Specs

after_route(payload()) :: any()

Specs

callback(menu :: menu() | map(), api_parameters :: api_parameters()) :: menu()

Specs

callback(
  menu :: menu(),
  api_parameters :: api_parameters(),
  metadata :: metadata()
) :: menu()

Specs

init(menu :: menu(), api_parameters :: api_parameters()) :: menu()

Examples

defmodule MyHomeHandler do
  use ExUssd.Handler

  def navigation do
    %Navigation{
      delimiter: ":",
      routes: [
      %Route{name: "BACK", previous: "0"},
      %Route{name: "MORE", next: "98"},
      %Route{name: "HOME", next: "00"},
    ],
  }
  end

  def ussd_init(menu, _api_parameters) do
    menu |> ExUssd.set(title: "Enter your pin number")
  end

  def ussd_callback(menu, api_parameters) do
    case api_parameters.text == "5555" do
      true ->
        menu
        |> ExUssd.set(title: "success, thank you.")
        |> ExUssd.set(should_close: true)

      _ ->
        menu 
        |> ExUssd.set(error: "Wrong pin number\n")
    end
  end

  def ussd_after_callback(%{state: _, payload: payload}) do
    IO.inspect payload
  end
end

Specs

init(menu :: menu(), api_parameters :: api_parameters(), metadata :: map()) ::
  menu()