public TrainingModel updateExisting(TrainingModel model) {
Training oldTraining = trainingDao.getById(model.getId());
Training existsWithSameName = trainingDao.getByName(model.getName());
if (oldTraining == null || existsWithSameName != null) {
return null;
}
oldTraining.setDescription(model.getDescription());
Training saved = trainingDao.save(oldTraining);
return saved != null ? model : null;
}
public TrainingModel createNew(TrainingModel model) {
Training exists = trainingDao.getByName(model.getName());
if (exists != null) {
return null;
}
Training training = new Training();
training.setName(model.getName());
training.setDescription(model.getDescription());
training.setDateCreated(model.getDateCreated());
Training savedTraining = trainingDao.save(training);
if (savedTraining != null) {
model.setId(savedTraining.getId());
return model;
}
return null;
}