# frozen_string_literal: true


module PostRepr
  BASE = { include: { tags: TagRepr::BASE, uploaded_user: UserRepr::BASE } }.freeze

  module_function

  def base post, current_user = nil
    json = post.as_json(BASE)
    return json.merge(viewed: false) unless current_user

    viewed = current_user.viewed?(post)
    json.merge(viewed:)
  end

  def many posts, current_user = nil
    posts.map { |p| base(p, current_user) }
  end
end