json.shixun_list @shixuns do |shixun|
  json.shixun_id shixun.id
  json.identifier shixun.identifier
  json.shixun_name shixun.name
  json.description shixun.description
  json.myshixuns_count shixun.myshixuns_count
  json.school shixun.user&.school_name
  json.creator shixun.user&.full_name
  json.level level_to_s(shixun.trainee)
  json.subjects shixun.subjects do |subject|
    json.(subject, :id, :name)
  end
end

json.shixuns_count @total_count