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ex_esdb_gater

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ExESDBGater is a API gateway and load balancer for ExESDB Stores

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ex_esdb_gater lib options.ex
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lib/options.ex 

defmodule ExESDBGater.Options do

  @moduledoc """

    This module contains the options helper functions for ExESDB

  """

  alias ExESDBGater.EnVars, as: EnVars



  @connect_to EnVars.connect_to()

  @pub_sub EnVars.pub_sub()



  def sys_env(key), do: System.get_env(key)

  def api_env, do: Application.get_env(:ex_esdb_gater, :api)

  def api_env(key), do: Keyword.get(api_env(), key)



  def connect_to do

    case sys_env(@connect_to) do

      nil -> api_env(:connect_to) || node()

      connect_to -> String.to_atom(connect_to)

    end

  end



  def pub_sub do

    case sys_env(@pub_sub) do

      nil -> api_env(:pub_sub) || :ex_esdb_pubsub

      pub_sub -> String.to_atom(pub_sub)

    end

  end

end