def store_dir
      default_path = "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"

      return File.join(Decidim.base_uploads_path, default_path) if Decidim.base_uploads_path.present?
      default_path
    end
def store_dir
      default_path = "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"

      return File.join(Decidim.base_uploads_path, default_path) if Decidim.base_uploads_path.present?
      default_path
    end
Override the directory where uploaded files will be stored.
 This is a sensible default for uploaders that are meant to be mounted: