public bool JustifyStudentAbsence(string id, string week)
{
var student = _repository.FindOne(Convert.ToInt32(id));
if (student == null)
{
throw new KeyNotFoundException(nameof(id) + ' ' + id);
}
var updatedStudent = EntityUtils.Clone <Student, int>(student);
updatedStudent.JustifiedAbsences |= 1 << (Convert.ToInt32(week) - 1);
return(_repository.Update(updatedStudent) == null);
}
public bool MarkStudentAbsent(string id, string week)
{
if (string.IsNullOrEmpty(week))
{
week = _weekUtils.GetCurrentDidacticWeek().ToString();
}
if (Convert.ToInt32(week) > _weekUtils.GetCurrentDidacticWeek())
{
throw new ArgumentOutOfRangeException(nameof(week) + ' ' + week);
}
var student = _repository.FindOne(Convert.ToInt32(id));
if (student == null)
{
throw new KeyNotFoundException(nameof(id) + ' ' + id);
}
var updatedStudent = EntityUtils.Clone <Student, int>(student);
updatedStudent.Absences |= 1 << (Convert.ToInt32(week) - 1);
return(_repository.Update(updatedStudent) == null);
}
public bool ExtendTaskDeadline(string id, string newDeadlineWeek)
{
var task = _repository.FindOne(Convert.ToInt32(id));
if (task == null)
{
throw new KeyNotFoundException(nameof(id) + ' ' + id);
}
if (task.DeadlineWeek < _weekUtils.GetCurrentDidacticWeek())
{
throw new InvalidOperationException("Task is finished");
}
if (Convert.ToInt32(newDeadlineWeek) < _weekUtils.GetCurrentDidacticWeek())
{
throw new InvalidOperationException("New deadline is before current week");
}
var updatedTask = EntityUtils.Clone <Task, int>(task);
updatedTask.DeadlineWeek = Convert.ToInt32(newDeadlineWeek);
return(_repository.Update(updatedTask) == null);
}
