public void AddUnitGrade(UnitGrade unitgrade)
{
if (unitgrade == null)
{
throw new ArgumentException("Cannot add a null unitgrade to trimester performance");
}
unitGrades.Add(unitgrade);
}
public override bool Equals(object obj)
{
if ((obj == null) || (obj.GetType() != typeof(UnitGrade)))
{
return(false);
}
UnitGrade compGrade = (UnitGrade)obj;
if (compGrade.unitCode == unitCode)
{
return(true);
}
else
{
return(false);
}
}
public void CheckPrerequisites(List <StudyUnit> studyUnits)
{
if (studyUnits == null)
{
throw new ArgumentException("CheckPrerequisites 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>();
List <UnitGrade> unitGrades, previousGrades;
StudyUnit tempUnit, locatedUnit;
UnitGrade tempUnitGrade, locatedUnitGrade;
int indexLocation;
List <string> prerequisites;
bool foundPrerequisite;
string exceptionMessage = "";
if (trimesterPerformanceList == null)
{
return;
}
for (int i = 0; i < trimesterPerformanceList.Count; i++)
{
unitGrades = trimesterPerformanceList[i].unitGrades;
for (int j = 0; j < unitGrades.Count; j++)
{
tempUnit = new StudyUnit(unitGrades[j].unitCode, unitGrades[j].unitName, tempString, 0, UnitClassification.elective, tempTrimesters, tempCampuses, tempString, 40);
locatedUnit = studyUnits[studyUnits.IndexOf(tempUnit)];
prerequisites = locatedUnit.prerequisites;
for (int k = 0; k < locatedUnit.prerequisites.Count; k++)
{
foundPrerequisite = false;
for (int m = i - 1; m >= 0; m--)
{
previousGrades = trimesterPerformanceList[m].unitGrades;
tempUnitGrade = new UnitGrade(prerequisites[k], " ", 0);
indexLocation = previousGrades.IndexOf(tempUnitGrade);
if (indexLocation >= 0)
{
locatedUnitGrade = previousGrades[indexLocation];
if (locatedUnitGrade.mark > locatedUnitGrade.gradingScheme.gradeRanges[0])
{
foundPrerequisite = true;
break;
}
}
}
if (!foundPrerequisite)
{
exceptionMessage += "Unit : " + unitGrades[j].unitCode + " has prerequisite " +
locatedUnit.prerequisites[k] + " which has not been fulfilled yet\n";
}
}
}
}
if (exceptionMessage.Length > 1)
{
throw new ArgumentException(exceptionMessage);
}
}
public TrimesterPerformance CreateTrimesterPerformance(List <string> strings)
{
if (strings == null)
{
throw new ArgumentException("CreateTrimesterPerformance cannot be run on a null string list");
}
char[] delimiters = new char[] { ' ' };
string exceptionMessage = "";
TrimesterMonths month = TrimesterMonths.JAN;
Trimesters trimester = Trimesters.Y1T1;
int year = 0;
IEnumerator ie = strings.GetEnumerator();
ie.MoveNext();
string[] elements = ((string)ie.Current).Trim().Split(delimiters, StringSplitOptions.RemoveEmptyEntries);
if (elements.Length != 3)
{
for (int i = 0; i < elements.Length; i++)
{
exceptionMessage += elements[i] + " ";
}
throw new ArgumentException(exceptionMessage + ": " + DefaultValues.ExceptionMessages[12]);
}
try
{
year = Convert.ToInt32(elements[0]);
}
catch (Exception)
{
exceptionMessage += DefaultValues.ExceptionMessages[13] + "\n";
}
try
{
month = (TrimesterMonths)Enum.Parse(typeof(TrimesterMonths), elements[1].ToUpper());
}
catch (Exception)
{
exceptionMessage += DefaultValues.ExceptionMessages[14] + "\n";
}
try
{
trimester = (Trimesters)Enum.Parse(typeof(Trimesters), elements[2].ToUpper());
}
catch (Exception)
{
exceptionMessage += DefaultValues.ExceptionMessages[15] + "\n";
}
if (exceptionMessage.Length > 1)
{
throw new ArgumentException(elements[0] + " " + elements[1] + " " + elements[2] + " : " + exceptionMessage);
}
TrimesterPerformance trimesterPerformance = new TrimesterPerformance(year, month, trimester);
string curLine;
string[] components;
UnitGrade ugrade;
int mark = 0;
while (ie.MoveNext())
{
curLine = (string)ie.Current;
components = curLine.Trim().Split(':');
if (components.Length != 3)
{
exceptionMessage += (year + " " + month + " " + trimester) + " : " + DefaultValues.ExceptionMessages[16];
throw new ArgumentException(exceptionMessage);
}
try
{
mark = Convert.ToInt32(components[2]);
}
catch (Exception)
{
exceptionMessage += components[0].Trim() + " : " + DefaultValues.ExceptionMessages[17];
throw new ArgumentException(exceptionMessage);
}
ugrade = new UnitGrade(components[0].Trim(), components[1].Trim(), mark);
ugrade.gradingScheme = new GradingScheme();
ugrade.CalculateGrade();
trimesterPerformance.AddUnitGrade(ugrade);
}
return(trimesterPerformance);
}
public List <StudentRecord> GenerateStudentRecords(int numToGenerate, StudentRecord courseStructure, List <string> maleNames, List <string> femaleNames, List <string> surNames)
{
if ((numToGenerate < 0) || (courseStructure == null) || (maleNames == null) || (femaleNames == null) || (surNames == null))
{
throw new ArgumentException("GenerateStudentRecords cannot be run with null or invalid arguments");
}
List <StudentRecord> records = new List <StudentRecord>();
StudentRecord studRecord;
string studName = "";
string idnumber = "";
Gender studGender;
for (int i = 0; i < numToGenerate; i++)
{
studGender = (Gender)rndFunction.ReturnRandomNumber(0, 2);
if (studGender == Gender.male)
{
studName = maleNames[rndFunction.ReturnRandomNumber(0, maleNames.Count)];
}
else if (studGender == Gender.female)
{
studName = femaleNames[rndFunction.ReturnRandomNumber(0, femaleNames.Count)];
}
studName += " " + surNames[rndFunction.ReturnRandomNumber(0, surNames.Count)];
idnumber = courseStructure.programme + rndFunction.ReturnRandomNumber(1000, 10000) + i;
studRecord = new StudentRecord(studName, idnumber, studGender,
studName + DefaultValues.dummyEmailAdd, DefaultValues.dummyContactNumber, courseStructure.programme, courseStructure.creditHrsToGraduate);
List <UnitGrade> newGradeList = new List <UnitGrade>();
UnitGrade tempGrade;
TrimesterPerformance tempTrimester;
int gradeMark;
foreach (TrimesterPerformance tpf in courseStructure.trimesterPerformanceList)
{
tempTrimester = new TrimesterPerformance(tpf.year, tpf.month, tpf.trimester);
newGradeList = new List <UnitGrade>();
foreach (UnitGrade ugrade in tpf.unitGrades)
{
if (rndFunction.ReturnRandomNumber(0, 5) == 1)
{
gradeMark = rndFunction.ReturnRandomNumber(0, 51);
}
else
{
gradeMark = rndFunction.ReturnRandomNumber(51, 100);
}
tempGrade = new UnitGrade(ugrade.unitCode, ugrade.unitName, gradeMark);
tempGrade.CalculateGrade();
newGradeList.Add(tempGrade);
}
tempTrimester.unitGrades = newGradeList;
studRecord.AddTrimesterPerformance(tempTrimester);
}
records.Add(studRecord);
}
return(records);
}