btrc-hub/backend/app/representations/material_repr.rb

# frozen_string_literal: true


module MaterialRepr
  BASE = { methods: [:content_type],
           include: { created_by_user: UserRepr::BASE,
                      updated_by_user: UserRepr::BASE } }.freeze

  module_function

  def base(material)
    material.as_json(BASE).merge(
        file: if material.file.attached?
                Rails.application.routes.url_helpers.rails_storage_proxy_url(
                    material.file, only_path: false)
              end,
        tag: TagRepr.base(material.tag))
  end

  def many(materials)
    materials.map { |m| base(m) }
  end
end