dispatch events

event_dispatcher_3.ex

defmodule Rsed.Event do
  @enforce_keys [:name]
  defstruct [:name, :data]

  @type t :: %Rsed.Event{
    name: String.t(),
    data: any(),
  }
end


defmodule Rsed.EventDispatcher do
  @doc """
  Dispatches an event  to all registered listeners and subscribers
  """
  @spec dispatch(event :: Rsed.Event.t) :: term
  def dispatch(event = %Rsed.Event{}) do
    GenServer.cast(my_name(), {:dispatch, event})
  end
  
  def handle_cast({:dispatch, event}, state) do
    Rsed.ListenersBag.get_event_handlers(state, event.name)
    |> Enum.map(fn {module, func_name, _} ->
      apply(module, func_name, [event])
    end)

    {:noreply, state}
  end
  
end