public ActionResult SubjectYearlyAverages(int studentId, int subjectId, int year)
{
double? tmpAvg = null; // semester avg
double? markSemester1 = null;
double? markSemester2 = null;
double monthCount = 4; // semester = 1 (9, 10, 11, 12); semester = 2 (2, 3, 4, 5)
List <object> subjectSemesterAverages = new List <object>();
var results = _resultService.GetResultsWithYear(studentId, subjectId, year, null);
// if no results found
if (results.Count() == 0)
{
tmpAvg = null;
for (int i = 1; i <= 3; i++)
{
subjectSemesterAverages.Add(new
{
semesterIndex = i,
average = tmpAvg
});
}
return(Ok(subjectSemesterAverages));
}
// semester 1, 2 averages
foreach (var r in results)
{
if (r.ResultDetails.Count(d => d.MonthlyAverage != null && d.ResultType.Coefficient == 1) == monthCount)
{
tmpAvg = _resultService.CalculateSubjectSemesterSum(r.ResultDetails);
}
else
{
tmpAvg = null;
}
// save to database
r.Average = tmpAvg;
_resultService.Update();
subjectSemesterAverages.Add(new
{
semesterIndex = r.Semester.Label,
average = tmpAvg
});
// if have only 1 result
if (results.Count() == 1)
{
if (r.Semester.Label == 1)
{
tmpAvg = null;
subjectSemesterAverages.Add(new
{
semesterIndex = 2,
average = tmpAvg
});
markSemester2 = tmpAvg;
}
else
{
tmpAvg = null;
subjectSemesterAverages.Add(new
{
semesterIndex = 1,
average = tmpAvg
});
markSemester1 = tmpAvg;
}
}
else
{
if (r.Semester.Label == 1)
{
markSemester1 = tmpAvg;
}
else
{
markSemester2 = tmpAvg;
}
}
}
// year average
tmpAvg = _resultService.CalculateSubjectYearSum(markSemester1, markSemester2);
subjectSemesterAverages.Add(new
{
semesterIndex = 3,
average = tmpAvg
});
return(Ok(subjectSemesterAverages));
}
