public async Task <IActionResult> DeleteOffering(int id)
{
var offering = await repository.GetOffering(id, includeRelated : false);
if (offering == null)
{
return(NotFound());
}
repository.Remove(offering);
await unitOfWork.CompleteAsync();
return(Ok(id));
}
public void Remove(Offering offering, bool forceToRemove)
{
if (offering.Enrollments.Count > 0 && !offering.Term.IsCurrentTerm)
{
throw new ForeignKeyEntityException("The offering could not be removed because it has students enrolled in it, and it was offered in another term.");
}
if (offering.Enrollments.Count > 0 && offering.Term.IsCurrentTerm && !forceToRemove)
{
throw new ForeignKeyEntityException("The offering could not be removed because it has students enrolled in it, and it was offered in another term.");
}
// Send an email to students currently enrolled in the offering that this will be removed
var emailMessage = new EmailMesageService();
foreach (var enrollment in offering.Enrollments)
{
var student = StudentService.Get(enrollment.StudentId);
string subject = "Offering removed!!!";
string body = $"{student.LastName}, {student.FirstName},\n" +
$"{offering.Title} is not longer available.\n" +
"You might want to enroll in a new one if you wish." +
"Sorry for any incoveninence that this causes you.";
emailMessage.Sent(student.Email, subject, body);
}
// Remove enrollment and evaluations
EnrollmentService.RemoveRange(offering.Enrollments);
// Remove schedules for the offering
ScheduleService.RemoveRange(offering.Schedules);
// Remove offering
_offeringRepository.Remove(offering);
}