paramour

defmodule Paramour.Plug do

  defmacro __using__(_opts) do
    quote do
      use Paramour.Params

      def init(options), do: options

      def call(conn, _options) do
        conn = Map.put(conn, :original_params, conn.params)

        case accept(conn.params) do
          {:ok, params} ->
            conn
            |> Map.put(:params, params)
          {:error, message} ->
            {:error, message}
        end
      end

      defoverridable [init: 1,
                      call: 2]
    end
  end

end