public String getEnrollmentStatus(Course course, List <Registration> registrations, Attendee attendee)
{
String enrollmentStatus = "Wait Listed";
List <Registration> enrolledAttendees = registrations.OrderBy(o => o.getDateTime())
.Where(o => o.getCourseId() == course.getId())
.Take((int)course.getCapacity())
.ToList();
for (int i = 0; i < enrolledAttendees.Count; i++)
{
if (attendee.getId() == enrolledAttendees[i].getAttendeeId())
{
enrollmentStatus = "Registered";
}
}
return(enrollmentStatus);
}