public IActionResult SetStudentToCourse(int courseId, [FromBody] SetStudentViewModel student)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
var setStudent = _service.SetStudentToCourse(courseId, student);
string httpAnswer = setStudent.HttpAnswer;
if (httpAnswer == "Created")
{
return(Created("", setStudent));
}
else if (httpAnswer == "Conflict")
{
// There is no Conflict response in core it seems
return(BadRequest());
}
else
{
return(NotFound());
}
}
public SetStudentDTO SetStudentToCourse(int courseId, SetStudentViewModel student)
{
var setCourse = _db.Courses.SingleOrDefault(x => x.ID == courseId);
var setStudent = _db.Students.SingleOrDefault(x => x.SSN == student.SSN);
if (setCourse == null || setStudent == null)
{
return(new SetStudentDTO
{
HttpAnswer = "NotFound"
});
}
var existingEntry = (from cs in _db.CoursesStudents
where cs.CourseID == setCourse.ID && cs.StudentID == setStudent.ID
select cs).SingleOrDefault();
if (existingEntry != null)
{
return(new SetStudentDTO
{
HttpAnswer = "Conflict"
});
}
var courseStudent = new CourseStudent
{
CourseID = setCourse.ID,
StudentID = setStudent.ID
};
_db.CoursesStudents.Add(courseStudent);
_db.SaveChanges();
return(new SetStudentDTO
{
ID = courseStudent.ID,
SSN = setStudent.SSN,
HttpAnswer = "Created"
});
}
