json.shixuns_count @total_count

json.shixun_list do
  json.array! @shixuns.with_highlights(multiple: true) do |obj, highlights|
    puts obj
    json.merge! obj.to_searchable_json
    json.challenge_names obj.challenges.pluck(:subject)

    json.title highlights.delete(:name)&.join('...') || obj.searchable_title
    # json.description highlights.values[0,5].each { |arr| arr.is_a?(Array) ? arr.join('...') : arr }.join('<br/>')
    json.content highlights
    json.level level_to_s(obj.trainee)
    json.subjects obj.subjects.uniq do |subject|
     json.(subject, :id, :name)
   end
  end
end