vaccins/lib/vaccins/search.ex

defmodule Vaccins.Search do
  alias Vaccins.Scraper
  alias Vaccins.LocationStore.Location

  def async_trigger_query(q, target \\ nil)
  def async_trigger_query(q, nil), do: async_trigger_query(q, self())

  def async_trigger_query(l, target) when not is_nil(target) do
    ref = make_ref()

    with {:ok, _} <-
           Task.start(fn ->
             send(target, {:location_availabilities, l.id, l |> Location.query_availability()})
           end),
         do: ref
  end
end