module Weapps::AttendancesHelper

  def student_attendance_status attendance, user
    st_attendance = attendance.course_member_attendances.find_by(user_id: user.id)
    st_attendance.present? ? st_attendance.attendance_status : "ABSENCE"
  end

  def group_attendance_count attendances, group
    course_member_ids = group.course_members.pluck(:id)
    attendances.select{|attendance| course_member_ids.include?(attendance.course_member_id) && attendance.attendance_status == "NORMAL"}.size
  end
end