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request_cache_plug

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Plug to cache requests declaratively for either GraphQL or Phoenix, this plug is intended to short circuit all json/decoding or parsing a server would normally do

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request_cache_plug lib request_cache util.ex
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lib/request_cache/util.ex 

defmodule RequestCache.Util do

  require Logger



  @moduledoc false



  def parse_gql_name(query_string) do

    case Regex.run(~r/^(?:query) ([^\({]+(?=\(|{))/, query_string, capture: :all_but_first) do

      [query_name] -> String.trim(query_name)

      _ -> nil

    end

  end



  def create_key(url_path, query_string) do

    "#{url_path}:#{hash_string(query_string)}"

  end



  defp hash_string(query_string) do

    :md5 |> :crypto.hash(query_string) |> Base.encode16(padding: false)

  end



  def log_cache_disabled_message do

    Logger.debug("RequestCache requested but hasn't been enabled, ensure query has a name and the RequestCache.Plug is part of your Endpoint")

  end



  def verbose_log(message) do

    if RequestCache.Config.verbose?() do

      Logger.debug(message)

    end

  end

end