@Transactional
@Override
public Textbook update(Textbook object) {
Textbook obj = textbookRepo.findOne(object.getId());
if (obj != null) {
updateChapters(object.getChapters(), obj);
updateSubject(object.getSubject(), obj);
updateName(object.getName(), obj);
textbookRepo.saveAndFlush(obj);
}
return obj;
}
@Transactional
@Override
public Textbook delete(Long id) {
Textbook obj = textbookRepo.findOne(id);
if (obj != null) {
Subject subject = obj.getSubject();
if (subject != null) {
subject.removeTextbook(obj);
subjectRepo.saveAndFlush(subject);
}
textbookRepo.delete(obj);
textbookRepo.flush();
}
return null;
}
@Transactional
@Override
public int addEvaluation(Evaluation eval, Textbook textbook) {
textbook.addEvaluation(eval);
return evalRepo.updateTextbook(eval.getId(), textbook);
}
@Transactional
@Override
public int updateChapters(int chapters, Textbook textbook) {
textbook.setChapters(chapters);
return textbookRepo.updateChapters(chapters, textbook.getId());
}
@Transactional
@Override
public int updateSubject(Subject subject, Textbook textbook) {
textbook.setSubject(subject);
return textbookRepo.updateSubject(textbook.getId(), subject);
}
@Transactional
@Override
public int updateName(String name, Textbook object) {
return textbookRepo.updateName(name, object.getId());
}