@IdeaJdbcTx
public int downSubject(String id) {
Subject subject = IdeaJdbc.find(Subject.class, id);
if (subject == null) {
throw dataNotFoundException(id);
} else {
int order = subject.getOrder();
Subject nextSubject = subjectDao.querySubjectByOrder(ProductType.TEXT, order + 1);
nextSubject.setOrder(order);
subject.setOrder(order + 1);
IdeaJdbc.update(nextSubject);
IdeaJdbc.update(subject);
return 2;
}
}
@IdeaJdbcTx
public Subject createTextSubject(String name, String desc) {
UserContext uc = UserContext.getCurrentContext();
User user = (User) uc.getContextAttribute(UserContext.SESSION_USER);
List<Subject> existsSubjects = subjectDao.querySubject(ProductType.TEXT, name, false);
if (existsSubjects.size() > 0) {
throw duplicateException(name);
} else {
int maxOrder = subjectDao.queryMaxOrder(ProductType.TEXT);
Subject subject = new Subject();
subject.setName(name);
subject.setDesc(desc);
subject.setOrder(maxOrder + 1);
subject.setCreateTime(new Date());
subject.setCreator(user.getId());
IdeaJdbc.save(subject);
return subject;
}
}