json.normal_count @normal_count
json.leave_count @leave_count
json.absence_count @absence_count
json.all_count @all_count
json.code @attendance.attendance_code
json.mode @attendance.mode
json.edit_auth @user_course_identity < Course::PROFESSOR || @attendance.user_id == User.current.id
json.attendance_date @attendance.attendance_date.strftime("%Y/%m/%d")
json.start_time @attendance.start_time.strftime("%H:%M")
json.end_time @attendance.end_time.strftime("%H:%M")

# json.course_groups @group_ids do |group|
#   json.(group, :id, :name, :course_members_count)
#   json.attendance_count group_attendance_count(@all_attendances, group) if @_is_current_attendance
# end

json.course_groups @group_ids do |group_id|
  if group_id != 0
    group = @groups.select{|group| group.id == group_id}.first
    json.(group, :id, :name, :course_members_count)
  else
    json.id 0
    json.name "未分班"
    json.course_members_count @course.none_group_count
  end
  if @_is_current_attendance
    member_ids = @course_members.select{|member| member.course_group_id == group_id}.map(&:id)
    json.attendance_count group_attendance_count(@all_attendances, member_ids)
  end
end