private void facultySelected()
{
if (_selectedFaculty != null)
{
AddOrRemoveFacultyFromFacultyList(_selectedFaculty.Faculty);
FacultiesList.Find(vf => vf.Faculty.Id == _selectedFaculty.Faculty.Id)
.IsImageVisible = !FacultiesList.Find(vf => vf.Faculty.Id == _selectedFaculty.Faculty.Id).IsImageVisible;
}
}
public AverageGradeStatistics Calculate(FacultiesList facultyList,
Func <NamedDoubleLinkedList <Student>, int, bool> shouldIncludeGroupToStatistics)
{
GroupAndAverageGradePairs = null;
float?maxAverage = null;
var pairsList = new List <KeyValuePair <NamedDoubleLinkedList <Student>, float> >();
foreach (var f in facultyList)
{
foreach (var gr in f)
{
int course = GroupNameParser.ParseHypotheticalCourseNumber(gr.Name);
if (!shouldIncludeGroupToStatistics(gr, course))
{
continue;
}
float average = gr.Average(s => s.AverageGrade);
pairsList.Add(new KeyValuePair <NamedDoubleLinkedList <Student>, float>(gr, average));
if (!maxAverage.HasValue || maxAverage < average)
{
maxAverage = average;
}
}
}
if (!maxAverage.HasValue)
{
throw new AverageGradeStatisticsHasNoResultsException(
"There is nothing to calculate for provided list of faculties");
}
MaxAverageOfGrades = maxAverage.Value;
GroupAndAverageGradePairs = pairsList;
return(this);
}
