bot_server.ex

defmodule QuotesBot.Bot.Server do
  use GenServer
  alias QuotesBot.{Bot.Logic, Config}

  def start_link(_) do
    GenServer.start_link(__MODULE__, nil, [])
  end

  def handle_cast({:reply, update}, _state) do
    update_id = Logic.reply(update)

    {:noreply, update_id}
  end

  ### Client

  def reply(update) do
    :poolboy.transaction(
      :worker,
      fn pid -> GenServer.cast(pid, {:reply, update}) end,
      Config.poolboy_timeout
    )
  end
end