public static List <ClassWithSuccessCountDTO> SuccessReport(IEnumerable <ClassWithGradeDTO> classesWithGrades)
{
List <ClassWithSuccessCountDTO> coursesWithSuccessCount = new List <ClassWithSuccessCountDTO>();
foreach (var course in classesWithGrades)
{
ClassWithSuccessCountDTO successCount = null;
if (coursesWithSuccessCount.Any(x => x.CRN == course.CRN))
{
successCount = coursesWithSuccessCount.Where(x => x.CRN == course.CRN).First();
}
if (successCount != null)
{
DetermineSuccess(course.FinalGrade, successCount);
}
else
{
var successCourse = new ClassWithSuccessCountDTO()
{
ClassName = course.CourseName,
CRN = course.CRN,
DepartmentName = course.DepartmentName
};
DetermineSuccess(course.FinalGrade, successCourse);
coursesWithSuccessCount.Add(successCourse);
}
}
return(coursesWithSuccessCount);
}
private static void DetermineSuccess(Grade grade, ClassWithSuccessCountDTO vm)
{
if (grade <= Grade.I)
{
vm.PassedSuccessfullyCount++;
vm.CompletedCourseCount++;
}
else if (grade <= Grade.F)
{
vm.CompletedCourseCount++;
}
else
{
vm.DroppedStudentCount++;
}
vm.UniqueStudentCount++;
}
