public void AddActivityGrade(PlainText subjectName, RegistrationNumber regNumber, Grade grade)
{
_subjects.Find(d => d.SubjectInfo.Name == subjectName)
.GetSituationForStudent(regNumber)
.AddActivityGrade(grade);
}
public void AddAttendance(PlainText subjectName, RegistrationNumber regNumber, Attendance attendance)
{
_subjects.Find(d => d.SubjectInfo.Name == subjectName)
.GetSituationForStudent(regNumber)
.AddAttendance(attendance);
}
public Grade CalculateStudentAverage(PlainText subjectName, RegistrationNumber regNumber)
{
return _definedSubjects.Find(d => d.SubjectInfo.Name == subjectName).GetAverageForStudent(regNumber);
}