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phoenix_api_toolkit

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Library with helper modules for developing an API with Phoenix.

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phoenix_api_toolkit lib internal.ex
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lib/internal.ex 

defmodule PhoenixApiToolkit.Internal do

  @moduledoc false

  # helper functions for macros that cannot be defp because they cannot be expanded

  # put in separate module to prevent accidental import into lib users' code



  @doc false

  def parse_order_by({dir, {bnd, fld}}, _def_bnd, _aliases) do

    {dir, bnd, fld}

  end



  def parse_order_by({dir, fld}, def_bnd, aliases) do

    {bnd, fld} = Keyword.get(aliases, fld, {def_bnd, fld})

    {dir, bnd, fld}

  end



  def parse_order_by(fld, def_bnd, aliases) do

    parse_order_by({:asc, fld}, def_bnd, aliases)

  end



  # OTP 22 introduced a new crypto API, and the old one is hard deprecated in OTP 24

  # we differentiate between the two at compile time

  if :erlang.system_info(:otp_release) |> to_string() |> String.to_integer() < 22 do

    @doc false

    def hmac(alg, secret, body), do: :crypto.hmac(alg, secret, body)

  else

    @doc false

    def hmac(alg, secret, body), do: :crypto.mac(:hmac, alg, secret, body)

  end

end