/** * Disable a category * * @param instance */ @Override public boolean delete(CategoryOfProduct instance) { try { instance.setIsActive(false); if (super.update(instance)) { DiaryEntityManager.createLog("Deleted category \"" + instance.getCateName() + "\""); return true; } else { return false; } } catch (Exception ex) { System.out.println("Failed to disable category: " + ex.getMessage()); return false; } }
/** * Add new category * * @param instance * @return true if succeeded, else false */ public boolean addNew(CategoryOfProduct instance) { if (instance.getCateName().isEmpty()) { return false; } try { if (find(instance.getCateName()) != null) { System.err.println("Category already exists!"); return false; } super.insert(instance); DiaryEntityManager.createLog("Created category \"" + instance.getCateName() + "\""); return true; } catch (Exception ex) { System.out.println("Failed to add new category: " + ex.getMessage()); return false; } }
/** * Update category's information. If the category doesn't exist, create a new one. * * @param instance new information * @return */ public boolean edit(CategoryOfProduct instance) { if (instance.getCateName().isEmpty()) { return false; } try { CategoryOfProduct search = find(instance.getCateName()); // Neu doi ten thi phai bao dam la ten nay chua ton tai if (search == null || Objects.equals(search.getId(), instance.getId())) { super.update(instance); DiaryEntityManager.createLog("Edited category \"" + instance.getCateName() + "\""); return true; } return false; } catch (Exception ex) { System.out.println("Failed to update category: " + ex.getMessage()); return false; } }