public static void CheckPrerequisitesCorrect(List <StudyUnit> studyunits)
{
if (studyunits == null)
{
throw new ArgumentException("CheckPrerequisitesCorrect cannot be run with a null argument");
}
List <string> tempString = new List <string>();
List <Trimesters> tempTrimesters = new List <Trimesters>();
List <Campuses> tempCampuses = new List <Campuses>();
string exceptionMessage = "";
for (int i = 0; i < studyunits.Count; i++)
{
foreach (string prequnit in studyunits[i].prerequisites)
{
StudyUnit tempstudyunit = new StudyUnit(prequnit, "dummy", tempString, 0, UnitClassification.elective, tempTrimesters, tempCampuses, tempString, 0);
if (studyunits.IndexOf(tempstudyunit) == i)
{
exceptionMessage += "Unit " + studyunits[i].unitCode + " has the same prerequisite\n";
}
else if (studyunits.IndexOf(tempstudyunit) < 0)
{
exceptionMessage += "Prerequisite " + prequnit + " for unit " + studyunits[i].unitCode + " does not exist\n";
}
}
}
if (exceptionMessage.Length > 1)
{
throw new ArgumentException(exceptionMessage);
}
}
public override bool Equals(object obj)
{
if ((obj == null))
{
return(false);
}
if ((obj.GetType() != typeof(StudyUnit)) &&
(obj.GetType() != typeof(UndergradUnit)) &&
(obj.GetType() != typeof(PostgradUnit)))
{
return(false);
}
StudyUnit compUnit = (StudyUnit)obj;
if (compUnit.unitCode == unitCode)
{
return(true);
}
else
{
return(false);
}
}