def file_path
      directory_name = Rails.root.join(Decidim::DataPortabilityUploader.new.store_dir)
      FileUtils.mkdir_p(directory_name) unless File.exist?(directory_name)
      directory_name + file_name
    end
def file_path
      directory_name = Rails.root.join(Decidim::DataPortabilityUploader.new.store_dir)
      FileUtils.mkdir_p(directory_name) unless File.exist?(directory_name)
      directory_name + file_name
    end
Returns a String with the absolute file_path to be read or generate.