public void AddStudent(Student student, CourseOffering offering)
{
// Check if the student already exists in the offering
if (_studentRepository.StudentExists(offering, student.StudentNum))
throw new StudentExistsException();
// Insert the student into the offering
_courseOfferingRepository.InsertStudentIntoCourseOffering(student, offering);
}
public void InsertStudentIntoCourseOffering(Student student, CourseOffering courseOffering)
{
// Get the current student from the offering
var currentStudent = _dbContext.Students.FirstOrDefault(s => s.StudentNum == student.StudentNum);
// Add / Register student
courseOffering.Students.Add(currentStudent ?? student);
// Persist to the DB
Save();
}
public static int CustomSort(Student a, Student b)
{
// If the students have different names, sort alphabetically
if (a.Name.Equals(b.Name) == false) return a.CompareTo(b);
// If the students have the same name
if (a.Name.Equals(b.Name))
{
// If students have the same type
return a.ToString().Equals(b.ToString())
// Sort by student number
? string.Compare(a.StudentNum, b.StudentNum, StringComparison.Ordinal)
// Sort by student type
: GetStudentTypeValue(a.GetType()).CompareTo(GetStudentTypeValue(b.GetType()));
}
return -1;
}
public void InsertStudent(Student student)
{
_dbContext.Students.Add(student);
}
// Set default student sorting by name public int CompareTo(Student other) => other == null ? 1 : string.Compare(Name, other.Name, StringComparison.Ordinal);