naive.ex

defmodule NaiveSolution do
  def process(tickets_batch) do
    tickets
    |> Enum.map(&async_process/1)
    |> Enum.map(&Task.await/1)
  end
  
  def async_process(ticket) do
    Task.async fn() ->
      ticket 
      # fetching messages for ticket from 3rd party api
      |> fetch_messages
      # fetching customer data from 3rd party api
      |> fetch_customer
      # insert fetched data
      |> update
    end
  end
end