public boolean loadQuestionRevision(HttpSession session, Long questionNumber) {
String countryrevision = ConcurrencyKeys.COUNTRY_REVISION.toString();
User usr = (User) session.getAttribute(SESSION_USER);
String iso3 = UserUtil.getSingleIso3(usr);
QuestionsUserTable qut = (QuestionsUserTable) context.getAttribute(USER_MAP_NAME);
if (qut == null) {
qut = new QuestionsUserTable();
context.setAttribute(USER_MAP_NAME, qut);
context.getAttribute(USER_MAP_NAME);
}
boolean amITheFirst = qut.amITheFirst(usr, questionNumber.intValue());
qut.addUser(usr, questionNumber.intValue());
session.removeAttribute(countryrevision);
Question question = surveyService.findQuestion(questionNumber);
Country countryEntity = surveyService.searchCountry(iso3);
QuestionRevision qr = surveyService.getQuestionRevisionNumber(countryEntity, question);
if (qr == null) {
QuestionRevision qrNew = new QuestionRevision();
qrNew.setVersion(0l);
qrNew.setQuestion(question);
qrNew.setCountry(countryEntity);
surveyService.insertQuestionRevisionNumber(qrNew);
qr = surveyService.getQuestionRevisionNumber(countryEntity, question);
}
session.setAttribute(countryrevision, qr);
return amITheFirst;
}
@Override
public boolean updateQuestionRevision(QuestionRevision revision) {
QuestionRevision lastRevision =
findQuestionRevision(revision.getCountry(), revision.getQuestion());
Long version = lastRevision.getVersion();
if (lastRevision.getVersion() <= revision.getVersion()) {
if (!questionRevisionDAO.remove(revision)) {
return false;
} else {
lastRevision.setVersion(version + 1);
questionRevisionDAO.merge(lastRevision);
return true;
}
}
return false;
}