/// <summary>
/// Gets the maximum number of credit points worth of subjects that can run during a semester
/// </summary>
public int GetMaxCreditPoints(int year, Session session)
{
if (year <= 0)
{
throw new ArgumentException("Year must be positive");
}
if (MaxCreditPoints.TryGetValue(new Time {
year = year, session = session
}, out int value))
{
return(value);
}
return(GetMaxCreditPoints(year - 1, session));
}
/// <summary>
/// Add more time to the plan
/// </summary>
public void AddYear()
{
int year = MaxCreditPoints.Any() ? 1 + MaxCreditPoints.Keys.Max(time => time.year) : 1;
if (year == 1 || year > 20)
{
// Add a standard year
MaxCreditPoints.Add(new Time {
year = year, session = Session.S1
}, 40);
MaxCreditPoints.Add(new Time {
year = year, session = Session.WV
}, 10);
MaxCreditPoints.Add(new Time {
year = year, session = Session.S2
}, 40);
MaxCreditPoints.Add(new Time {
year = year, session = Session.S3
}, 20);
}
else
{
// Copy the previous year
MaxCreditPoints.Add(new Time {
year = year, session = Session.S1
}, GetMaxCreditPoints(year - 1, Session.S1));
MaxCreditPoints.Add(new Time {
year = year, session = Session.WV
}, GetMaxCreditPoints(year - 1, Session.WV));
MaxCreditPoints.Add(new Time {
year = year, session = Session.S2
}, GetMaxCreditPoints(year - 1, Session.S2));
MaxCreditPoints.Add(new Time {
year = year, session = Session.S3
}, GetMaxCreditPoints(year - 1, Session.S3));
}
if (year > 90)
{
throw new InvalidOperationException("Unless the user is a fool, this should not happen");
}
}
