public string EditPersonalInfo(
long studentId, string firstName, string lastName, long nameSuffixId,
string email, long favoriteCourseId)
{
Student student = _repository.GetById(studentId);
if (student == null)
{
return("Student not found");
}
Course favoriteCourse = Course.FromId(favoriteCourseId);
if (favoriteCourse == null)
{
return("Course not found");
}
Suffix suffix = Suffix.FromId(nameSuffixId);
if (suffix == null)
{
return("Suffix not found");
}
Result <Email> emailResult = Email.Create(email);
if (emailResult.IsFailure)
{
return(emailResult.Error);
}
Result <Name> nameResult = Name.Create(firstName, lastName, suffix);
if (nameResult.IsFailure)
{
return(nameResult.Error);
}
student.EditPersonalInfo(nameResult.Value, emailResult.Value, favoriteCourse);
// for debugging purposes only:
// var studentEntityState = _context.Entry(student).State;
// var favoriteCourseEntityState = _context.Entry(student.FavoriteCourse).State;
// var enrollmentEntityState = _context.Entry(student.Enrollments[0]).State;
// var courseEntityState = _context.Entry(student.Enrollments[0].Course).State;
_context.SaveChanges();
return("OK");
}
public string RegisterStudent(
string firstName, string lastName, long nameSuffixId, string email,
long favoriteCourseId, Grade favoriteCourseGrade)
{
Course favoriteCourse = Course.FromId(favoriteCourseId);
if (favoriteCourse == null)
{
return("Course not found");
}
Suffix suffix = Suffix.FromId(nameSuffixId);
if (suffix == null)
{
return("Suffix not found");
}
Result <Email> emailResult = Email.Create(email);
if (emailResult.IsFailure)
{
return(emailResult.Error);
}
Result <Name> nameResult = Name.Create(firstName, lastName, suffix);
if (nameResult.IsFailure)
{
return(nameResult.Error);
}
var student = new Student(nameResult.Value, emailResult.Value,
favoriteCourse, favoriteCourseGrade);
_repository.Save(student);
_context.SaveChanges();
return("OK");
}