clarion/app/views/api/events/index.jbuilder

@events.each do |event|
  json.set! event.id do
    json.title event.title
    json.subtitle event.subtitle
    json.length event.length
    json.language event.language
    json.abstract event.abstract
    json.description event.description
    json.event_type_id event.event_type_id
    json.track_id event.track_id
    json.participant_user_ids event.participations.map(&:participant_id)
  end
end