AttendanceModel
constructor(subject: String, total: Int = 0, present: Int = 0, teacher: String? = null, fromSyllabus: Boolean? = false, isArchive: Boolean? = false, fromOnlineSyllabus: Boolean? = false, days: Days = Days(), stack: Deque<AttendanceSave> = ArrayDeque(), created: Long? = System.currentTimeMillis(), id: Int = 0)