public string EnrollStudent(Models.Student s)
{
if (!(_context.Studies.Any(st => st.Name == s.Studies)))
{
return("Nie ma takich studiow");
}
if ((_context.Student.Any(st => st.IndexNumber == s.IndexNumber)))
{
// JEST TAKI INDEX
return("Nie jest to unikalny index");
}
var s2 = new Models2.Student()
{
IndexNumber = s.IndexNumber,
FirstName = s.FirstName,
LastName = s.LastName,
BirthDate = DateTime.Parse(s.BirthDate)
};
//var result = _context.Studies.Where(stu => stu.Name == s.Studies).;
var study = _context.Studies.Where(stu => stu.Name == s.Studies).FirstOrDefault();
int idStudy = study.IdStudy;
if (!(_context.Enrollment.Any(en => en.IdStudy == idStudy && en.Semester == 1 && en.StartDate.Date == DateTime.Now.Date)))
{
var setStudent = new HashSet <Student> {
s2
};
var enroll = new Models2.Enrollment()
{
IdEnrollment = _context.Enrollment.Select(en => en.IdEnrollment).Max() + 1,
Semester = 1,
StartDate = DateTime.Now.Date,
Student = setStudent,
};
study.Enrollment.Add(enroll);
_context.Add(enroll);
_context.Attach(study);
_context.Entry(study).State = EntityState.Modified;
_context.SaveChanges();
return("Utworzono enrollment i student");
}
else
{
var enroll = _context.Enrollment.Where(en => en.IdStudy == idStudy && en.Semester == 1 && en.StartDate.Date == DateTime.Now.Date).FirstOrDefault();
enroll.Student.Add(s2);
_context.Attach(enroll);
_context.Entry(enroll).State = EntityState.Modified;
_context.SaveChanges();
return("Utworzono student");
}
}
public string EnrollStudent(Models.Student s)
{
int eskaUnik = 1;
var student = new Student();
var studia = _context.Studies.Where(stu => stu.Name == s.Studies).ToList();
if (studia.Count == 0)
{
return("nie ma takiego kierunku");
}
var unikId = _context.Student.Where(stu => stu.IndexNumber == s.IndexNumber).ToList();
if (unikId.Count != 0)
{
eskaUnik = 0;
student = unikId[0];
}
var stud = new Models2.Student()
{
IndexNumber = s.IndexNumber,
FirstName = s.FirstName,
LastName = s.LastName,
BirthDate = DateTime.Parse(s.BirthDate)
};
var study = _context.Studies.Where(stu => stu.Name == s.Studies).FirstOrDefault();
int idStudy = study.IdStudy;
if ((!(_context.Enrollment.Any(enrl => enrl.IdStudy == idStudy && enrl.Semester == 1 && enrl.StartDate.Date == DateTime.Now.Date))))
{
if (eskaUnik == 1)
{
var setStudent = new HashSet <Student> {
stud
};
var enroll = new Models2.Enrollment()
{
IdEnrollment = _context.Enrollment.Select(en => en.IdEnrollment).Max() + 1,
Semester = 1,
StartDate = DateTime.Now.Date,
Student = setStudent,
};
study.Enrollment.Add(enroll);
_context.Add(enroll);
_context.Attach(study);
_context.Entry(study).State = EntityState.Modified;
_context.SaveChanges();
return("dodano nowego studenta i nowy enroll");
}
else
{
var setStudent = new HashSet <Student> {
student
};
var enroll = new Models2.Enrollment()
{
IdEnrollment = _context.Enrollment.Select(en => en.IdEnrollment).Max() + 1,
Semester = 1,
StartDate = DateTime.Now.Date,
Student = setStudent,
};
study.Enrollment.Add(enroll);
_context.Add(enroll);
_context.Attach(study);
_context.Entry(study).State = EntityState.Modified;
_context.SaveChanges();
return("zapisano studenta na nowy enroll");
}
}
else
{
if (eskaUnik == 1)
{
var enroll = _context.Enrollment.Where(en => en.IdStudy == idStudy && en.Semester == 1 && en.StartDate.Date == DateTime.Now.Date).FirstOrDefault();
enroll.Student.Add(stud);
_context.Attach(study);
_context.Entry(study).State = EntityState.Modified;
_context.SaveChanges();
return("dodano nowego studenta na instniejacy enroll");
}
else
{
var enroll = _context.Enrollment.Where(en => en.IdStudy == idStudy && en.Semester == 1 && en.StartDate.Date == DateTime.Now.Date).FirstOrDefault();
enroll.Student.Add(student);
_context.Attach(study);
_context.Entry(study).State = EntityState.Modified;
_context.SaveChanges();
return("dodano studenta na instniejacy enroll");
}
}
}
