/**
* 判断一个分类是否能被删除 1.该分类下面有商品（无论商品是什么状态）都不能删除 2.二级分类下面有三级分类（无论状态是什么）不能删除该二级分类
* 3.一级分类下面有二级分类（无论状态是什么）不能删除该一级分类
*
* @param objectId
* @return
*/
@Override
public boolean canDelete(Long objectId) {
if (objectId == null) {
return false;
}
ProductCategory category = getByObjectId(objectId);
if (category.getLayer() == 1) {
ProductCategory sample = new ProductCategory();
sample.setFirstId(category.getFirstId());
sample.setLayer(2);
long count = getObjectCount(sample);
if (count != 0) {
return false;
}
} else if (category.getLayer() == 2) {
ProductCategory sample = new ProductCategory();
sample.setSecondId(category.getSecondId());
sample.setLayer(3);
long count = getObjectCount(sample);
if (count != 0) {
return false;
}
} else {
Product sample = new Product();
sample.setCategoryId(objectId);
sample.setDeleted(IBSConstants.STATUS_NO);
long count = productManager.getObjectCount(sample);
if (count != 0) {
return false;
}
}
return true;
}
/**
* 根据二级分类ID得到二级分类
*
* @param 二级分类ID
* @return 二级分类
*/
@Override
public ProductCategory getProductCategoryBySecondId(String secondId) {
ProductCategory productCategory = new ProductCategory();
productCategory.setSecondId(secondId);
productCategory.setLayer(2);
List<ProductCategory> list = getBySample(productCategory);
if (list.size() > 0) {
return list.get(0);
}
return null;
}
/**
* 判断一个分类是否置为无效 1.二级分类下面有有效分类一级分类不能为无效 2.三级分类下面全部为无效则二级可为无效 3.关联的福利商城分类有效则三级分类不能无效
* 4.该分类下面有商品（无论商品是什么状态）都不能置为无效
*
* @param objectId
* @return
*/
@Override
public boolean canInvalid(Long objectId) {
if (objectId == null) {
return true;
}
ProductCategory category = getByObjectId(objectId);
if (category.getLayer() == 1) {
ProductCategory sample = new ProductCategory();
sample.setFirstId(category.getFirstId());
sample.setStatus(IBSConstants.EFFECTIVE);
sample.setLayer(2);
long count = getObjectCount(sample);
if (count != 0) {
return false;
}
} else if (category.getLayer() == 2) {
ProductCategory sample = new ProductCategory();
sample.setSecondId(category.getSecondId());
sample.setStatus(IBSConstants.EFFECTIVE);
sample.setLayer(3);
long count = getObjectCount(sample);
if (count != 0) {
return false;
}
} else {
// 是否有关联的福利商城的分类
long mallCategoryCount =
productMallCategoryDao.getRelatedProductMallCategoryByCategoryId(objectId);
if (mallCategoryCount != 0) {
return false;
}
Product sample = new Product();
sample.setCategoryId(objectId);
sample.setDeleted(IBSConstants.STATUS_NO);
long count = productManager.getObjectCount(sample);
if (count != 0) {
return false;
}
}
return true;
}
/** 保存时三级分类ID的序列化 */
@Override
@Transactional
public ProductCategory save(ProductCategory entity) {
if (entity.getLayer() == 1) {
if (StringUtils.isBlank(entity.getFirstId())) {
String firstId = sequenceManager.getNextId("SEQ_FIRST_ID").toString();
entity.setFirstId(firstId);
}
} else if (entity.getLayer() == 2) {
if (StringUtils.isBlank(entity.getSecondId())) {
String secondId = sequenceManager.getNextId("SEQ_SECOND_ID").toString();
entity.setSecondId(secondId);
}
} else if (entity.getLayer() == 3) {
if (StringUtils.isBlank(entity.getThirdId())) {
String thirdId = sequenceManager.getNextId("SEQ_THIRD_ID").toString();
entity.setThirdId(thirdId);
}
} else {
}
return super.save(entity);
}