public Lesson(string name, SubjectElement subject, TeacherElement teacher, AudienceElement audience, GroupElement group)
: base(name)
{
Name = name;
Subject = subject;
Teacher = teacher;
Audience = audience;
Group = group;
}
public SchoolLesson(string name, SubjectElement subject, TeacherElement teacher, AudienceElement audience, GroupElement group, int lessonsPerWeek, byte day = 0, byte hour = 0)
: base(name, subject, teacher, audience, group, lessonsPerWeek)
{
Day = day;
Hour = hour;
}