public IActionResult Index()
{
var students = _repository.GetStudents();
var dataForView = new List <StudentViewModel>();
foreach (var st in students)
{
var vm = new StudentViewModel();
vm.IdStudent = st.IdStudent;
vm.FirstName = st.FirstName;
vm.LastName = st.LastName;
vm.Address = st.Address;
var grades = _repository.GetGrades(st.IdStudent);
foreach (var g in grades)
{
if (g.SubjectType == "Group 1")
{
vm.EctsSum += 5;
}
else if (g.Subject == "Group 2")
{
vm.EctsSum += 3;
}
else if (g.SubjectType == "Group 3")
{
vm.EctsSum += 1;
}
vm.AverageGrade += g.GradeValue;
}
if (grades.Count() > 0)
{
vm.AverageGrade = vm.AverageGrade / grades.Count();
}
dataForView.Add(vm);
}
return(View(dataForView));
}