json.schedule do
  json.version @conference.schedule_version if @conference.schedule_version.present?
  if @conference.program_export_base_url.present?
    json.base_url @conference.program_export_base_url
  else
    json.base_url request.base_url
  end
  json.conference do
    json.acronym @conference.acronym
    json.title @conference.title
    unless @conference.days.empty?
      json.start @conference.first_day.start_date.strftime('%Y-%m-%d')
      json.end @conference.last_day.end_date.strftime('%Y-%m-%d')
    end
    json.daysCount @conference.days.length
    json.timeslot_duration duration_to_time(@conference.timeslot_duration)
    index = 1
    json.days @conference.days do |day|
      json.index index
      index += 1
      json.date day.start_date.strftime('%Y-%m-%d')
      json.day_start day.start_date.iso8601
      json.day_end day.end_date.iso8601
      json.rooms do
        @conference.rooms_including_subs.each do |room|
          json.set! room.name, room.events.is_public.accepted.scheduled_on(day).order(:start_time) do |event|
            json.url public_program_event_url(event)
            json.id event.id
            json.guid event.guid
            json.logo event.logo_path
            json.date event.start_time.iso8601
            json.start event.start_time.strftime('%H:%M')
            json.duration format_time_slots(event.time_slots)
            json.room room.name
            json.slug event.slug
            json.title event.title
            json.subtitle event.subtitle
            json.track event.track.try(:name)
            json.type event.event_type
            json.language event.language
            json.abstract event.abstract
            json.description event.description
            json.recording_license event.recording_license
            json.do_not_record event.do_not_record
            json.persons event.speakers, :id, :public_name
            json.links event.links do |link|
              json.url url_for(link.url)
              json.title link.title
            end
            json.attachments event.event_attachments.is_public.each do |attachment|
              json.url attachment.attachment.url
              json.title attachment.link_title
            end
          end
        end
      end
    end
  end
end