private void createResponse(Contact c, Assessment a, int questionNumber, boolean correct) {
AssessmentMessage am = null;
for (AssessmentMessage m : a.getMessages()) {
if (m.getTopicItem() instanceof Question) {
if (--questionNumber < 0) {
am = m;
break;
}
}
}
if (am == null) throw new RuntimeException("Could not find question #" + questionNumber);
Question q = (Question) am.getTopicItem();
int answer = correct ? q.getCorrectAnswer() : q.getCorrectAnswer() + 1 % q.getAnswers().length;
AssessmentMessageResponse r = new AssessmentMessageResponse();
r.setStudent(c);
r.setAnswer(answer);
r.setAssessmentMessage(am);
r.setCorrect(correct);
assessmentMessageResponseDao.save(r);
}
