module DataMapper
  class Property

    class ParseFile < Object

      def dump(value)
        if value.is_a?(Hash)
          value.merge("__type" => "File")
        elsif value.respond_to?(:original_filename) && value.respond_to?(:read)
          adapter   = model.repository.adapter
          filename  = value.original_filename
          content   = value.read
          adapter.upload_file(filename, content).merge("__type" => "File")
        else
          nil
        end
      end

      def load(value)
        value
      end

    end

  end
end