public Enrollment DoEnrollmentAndRegistration(Student student, StudyPlan studyPlan)
{
var existentEnrollment = _enrollmentRepository.GetByStudent(student.Id);
if (existentEnrollment != null)
{
throw new Exception("The Student is already Enrolled in another StudyPlan");
}
var existentEnrollments = _enrollmentRepository.GetByStudyPlan(studyPlan.Id);
if (existentEnrollments.Any(x => x.Student.Id == student.Id))
{
throw new Exception("The Student is already Enrolled in this StudyPlan");
}
var newEnrollment = new Enrollment()
{
Id = new Guid(), Student = student, StudyPlan = studyPlan
};
return(_enrollmentRepository.Add(newEnrollment));
}
