public string CheckStudentFavoriteCourse(long studentId, long courseId)
{
Student student = _repository.GetById(studentId);
if (student == null)
{
return("Student not found");
}
Course course = Course.FromId(courseId);
if (course == null)
{
return("Course not found");
}
return(student.FavoriteCourse == course ? "Yes" : "No");
}
public string EnrollStudent(long studentId, long courseId, Grade grade)
{
Student student = _studentRepo.GetById(studentId);
if (student == null)
{
return("Student not found");
}
Course course = Course.FromId(courseId);
if (course == null)
{
return("Course not found");
}
var result = student.EnrollIn(course, grade);
_contex.SaveChanges();
return(result);
}