public ISet <Section> DeleteAllSectionsForExam(int examId)
{
var sections = _sectionRepository.GetSectionsForExam(examId);
if (sections.Any(section => HasQuestions(section.Id)))
{
return(null);
}
_sectionRepository.DeleteSectionsForExam(examId);
_sectionRepository.Save();
return(sections.ToHashSet());
}
public Exam DeleteExam(int examId)
{
Exam foundExam = _examRepository.Find(examId);
if (foundExam != null)
{
_questionRepository.DeleteQuestionsForExam(examId);
_sectionRepository.DeleteSectionsForExam(examId);
_examRepository.Delete(examId);
_examRepository.Save();
}
return(foundExam);
}
