public string ModStudent(Models2.Student s)
{
string odp = "";
try
{
var student = _context.Student.Where(stu => stu.IndexNumber == s.IndexNumber).ToList();
if (student.Count == 0)
{
//eskaUnik = 0;
return("bad req");
}
var stu = student[0];
_context.Entry(stu).CurrentValues.SetValues(s);//połowocznie działa ale popraw
_context.Entry(stu).State = EntityState.Modified;
_context.SaveChanges();
odp = "zmodyfikowano studenta o idndeksie =" + s.IndexNumber;
}
catch (Exception exc)
{
odp = "Wystapil blad transakcji";
}
return(odp);
}
public IActionResult updateStudent(Models2.Student student)
{
var db = new Models2.s19278Context();
var st = db.Student.Where(e => e.IndexNumber == student.IndexNumber);
if (!st.Any())
{
return(NotFound());
}
if (student.LastName != null)
{
st.FirstOrDefault().LastName = student.LastName;
}
if (student.FirstName != null)
{
st.FirstOrDefault().FirstName = student.FirstName;
}
if (student.BirthDate != null)
{
st.FirstOrDefault().BirthDate = student.BirthDate;
}
if (student.IdEnrollment != 0)
{
st.FirstOrDefault().IdEnrollment = student.IdEnrollment;
}
db.SaveChanges();
return(Ok());
}
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 bool ModifyStudents(Models2.Student s)
{
try
{
_context.Attach(s);
_context.Entry(s).State = EntityState.Modified;
_context.SaveChanges();
return(true);
}
catch (Exception e)
{
return(false);
}
}
public IActionResult ModStudent(Models2.Student s)
{
Student stu = s;
var operacja = _context.ModStudent(stu);
if (operacja == "bad req")
{
return(BadRequest("nie ma takiej eski"));
}
else if (operacja == "Wystapil blad transakcji")
{
return(BadRequest(operacja));
}
return(Ok(operacja));
}
public bool DeleteStudents(Models2.Student d)
{
try
{
/*var d = new Student
* {
* IndexNumber = index
* };*/
_context.Attach(d);
_context.Remove(d);
_context.SaveChanges();
return(true);
}catch (Exception e)
{
return(false);
}
}
public IActionResult updateStudent(Models2.Student student)
{
return(Ok(_dbService.updateStudent(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");
}
}
}
public IActionResult updateStudent(Models2.Student student)
{
throw new NotImplementedException();
}
