public decimal?CalculateAvg(ClassroomOption classroomOption, IEnumerable <StudentAnnouncement> studentAnnouncements, IEnumerable <ClassAnnouncement> classAnnouncements)
{
var classAnns = classAnnouncements.Where(x => x.MaxScore > 0).ToList();
var stAnns = studentAnnouncements.Where(x => x.NumericScore.HasValue).ToList();
stAnns = stAnns.Where(x => classAnns.Any(y => y.SisActivityId == x.ActivityId)).ToList();
classAnns = classAnns.Where(x => stAnns.Any(y => y.ActivityId == x.SisActivityId)).ToList();
decimal?res;
if (classroomOption == null || classroomOption.IsAveragingMethodPoints)
{
var maxScoreSum = classAnns.Sum(x => x.MaxScore);
res = maxScoreSum > 0 ? stAnns.Sum(x => x.NumericScore) / maxScoreSum : null;
}
else
{
res = classAnns.Count > 0 ? classAnns.Average(x => stAnns.FirstOrDefault(y => y.ActivityId == x.SisActivityId)?.NumericScore / x.MaxScore) : null;
}
return(res * 100);
}
public decimal?CalculateAvg(ClassroomOption classroomOption, IEnumerable <StudentAnnouncement> studentAnnouncements, IEnumerable <ClassAnnouncement> classAnnouncements)
{
throw new NotImplementedException();
}
