net.mingsoft.cms.biz.impl.CategoryBizImpl Maven / Gradle / Ivy
/**
* Copyright (c) 2020 铭软科技(mingsoft.net)
* 本软件及相关文档文件（以下简称“软件”）的版权归 铭软科技 所有
* 遵循铭软科技《保密协议》
*/
package net.mingsoft.cms.biz.impl;
import cn.hutool.core.lang.Assert;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import net.mingsoft.base.biz.impl.BaseBizImpl;
import net.mingsoft.base.dao.IBaseDao;
import net.mingsoft.basic.util.PinYinUtil;
import net.mingsoft.cms.biz.ICategoryBiz;
import net.mingsoft.cms.dao.ICategoryDao;
import net.mingsoft.cms.dao.IContentDao;
import net.mingsoft.cms.entity.CategoryEntity;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.List;
/**
* 分类管理持久化层
* @author 铭飞开发团队
* 创建日期：2019-11-28 15:12:32
* 历史修订：
*/
@Service("cmscategoryBizImpl")
@Transactional(rollbackFor = RuntimeException.class)
public class CategoryBizImpl extends BaseBizImpl implements ICategoryBiz {
@Autowired
private ICategoryDao categoryDao;
@Autowired
private IContentDao contentDao;
@Override
protected IBaseDao getDao() {
// TODO Auto-generated method stub
return categoryDao;
}
@Override
public List queryChilds(CategoryEntity category) {
// TODO Auto-generated method stub
return categoryDao.queryChildren(category);
}
@Override
public void saveEntity(CategoryEntity categoryEntity) {
// TODO Auto-generated method stub
String pingYin = PinYinUtil.getPingYin(categoryEntity.getCategoryTitle());
//如果用户自己填入了拼音则使用用户的
if (StrUtil.isNotBlank(categoryEntity.getCategoryPinyin())) {
pingYin = categoryEntity.getCategoryPinyin();
}
CategoryEntity category = new CategoryEntity();
category.setCategoryPinyin(pingYin);
Object categoryBizEntity = getEntity(category);
setParentId(categoryEntity);
categoryEntity.setCategoryPinyin(pingYin);
//更新新的父级
if (StrUtil.isNotBlank(categoryEntity.getCategoryId()) && !"0".equals(categoryEntity.getCategoryId())) {
CategoryEntity parent = getById(categoryEntity.getCategoryId());
//如果之前是叶子节点就更新
if (parent.getLeaf()) {
parent.setLeaf(false);
updateById(parent);
}
}
categoryEntity.setLeaf(false);
//如果是新增栏目一定是叶子节点
if (StrUtil.isEmpty(categoryEntity.getId())) {
categoryEntity.setLeaf(true);
}
super.save(categoryEntity);
//拼音存在则拼接id
if (categoryBizEntity != null) {
categoryEntity.setCategoryPinyin(pingYin + categoryEntity.getId());
}
CategoryEntity parentCategory = null;
if (StringUtils.isNotBlank(categoryEntity.getCategoryId())) {
parentCategory = (CategoryEntity) getById(categoryEntity.getCategoryId());
}
//保存链接地址
String path = ObjectUtil.isNotNull(parentCategory) ? parentCategory.getCategoryPath() : "";
categoryEntity.setCategoryPath(path + "/" + categoryEntity.getCategoryPinyin());
setTopId(categoryEntity);
super.updateById(categoryEntity);
}
private void setParentId(CategoryEntity categoryEntity) {
String path = "";
if (StringUtils.isNotEmpty(categoryEntity.getCategoryId()) && Long.parseLong(categoryEntity.getCategoryId()) > 0) {
CategoryEntity category = (CategoryEntity) getById(categoryEntity.getCategoryId());
path = category.getCategoryPath();
if (StringUtils.isEmpty(category.getCategoryParentIds())) {
categoryEntity.setCategoryParentIds(category.getId());
} else {
categoryEntity.setCategoryParentIds(category.getCategoryParentIds() + "," + category.getId());
}
} else {
categoryEntity.setCategoryParentIds(null);
}
//保存时先保存再修改链接地址，修改时直接修改
if (StringUtils.isNotBlank(categoryEntity.getId())) {
categoryEntity.setCategoryPath(path + "/" + categoryEntity.getCategoryPinyin());
}
}
private void setChildParentId(CategoryEntity categoryEntity, String topId) {
CategoryEntity category = new CategoryEntity();
category.setCategoryId(categoryEntity.getId());
List list = categoryDao.query(category);
list.forEach(x -> {
if (StringUtils.isEmpty(categoryEntity.getCategoryParentIds())) {
x.setCategoryParentIds(categoryEntity.getId());
} else {
x.setCategoryParentIds(categoryEntity.getCategoryParentIds() + "," + categoryEntity.getId());
}
//更新topid
x.setTopId(topId);
String path = categoryEntity.getCategoryPath();
//判断是否有parentIds
x.setCategoryPath(path + "/" + x.getCategoryPinyin());
//去除多余的/符号
super.updateEntity(x);
setChildParentId(x, topId);
});
}
@Override
public void updateEntity(CategoryEntity entity) {
setParentId(entity);
String pingYin = entity.getCategoryPinyin();
if (StrUtil.isNotBlank(pingYin)) {
CategoryEntity category = new CategoryEntity();
category.setCategoryPinyin(pingYin);
CategoryEntity categoryBizEntity = (CategoryEntity) getEntity(category);
//拼音存在则拼接id
if (categoryBizEntity != null && !categoryBizEntity.getId().equals(entity.getId())) {
entity.setCategoryPinyin(pingYin + entity.getId());
}
}
setParentLeaf(entity);
setTopId(entity);
//如果父级栏目和父级id为空字符串则转化成null
if (StringUtils.isEmpty(entity.getCategoryId())) {
entity.setCategoryId(null);
}
if (StringUtils.isEmpty(entity.getCategoryParentIds())) {
entity.setCategoryParentIds(null);
}
categoryDao.updateEntity(entity);
//更新子节点所有父节点id和topid
//如果本节点的topid为0（顶级栏目）,则把自身的id作为子栏目的topid，非0所有的子栏目和本栏目使用同一个topid
String topId = entity.getTopId();
if (topId.equals("0")) {
topId = entity.getId();
}
setChildParentId(entity, topId);
}
@Override
public void update(CategoryEntity entity) {
super.updateEntity(entity);
}
@Override
public void delete(String categoryId) {
// TODO Auto-generated method stub
CategoryEntity category = (CategoryEntity) categoryDao.selectById(categoryId);
//删除父类
if (category != null) {
List childrenList = categoryDao.queryChildren(category);
List ids = new ArrayList<>();
for (int i = 0; i < childrenList.size(); i++) {
//删除子类
ids.add(childrenList.get(i).getId());
}
categoryDao.deleteBatchIds(ids);
// 删除文章
contentDao.deleteEntityByCategoryIds(ids.toArray(new String[ids.size()]));
//获取被删节点的父节点
CategoryEntity parentNode = categoryDao.selectById(category.getCategoryId());
//获取被删节点的所属栏目的其他节点
List childNode = categoryDao.queryChildren(parentNode);
//判断删除的是否为主节点
if (parentNode != null) {
UpdateWrapper updateWrapper = new UpdateWrapper<>();
//如果没有子节点进行更新代码
if (childNode.size() == 1) {
updateWrapper.eq("id", parentNode.getId()).set("leaf", 1);
categoryDao.update(null, updateWrapper);
}
}
}
}
/**
* 设置父级叶子节点
* @param entity
*/
private void setParentLeaf(CategoryEntity entity) {
CategoryEntity categoryEntity = getById(entity.getId());
//如果父级不为空并且修改了父级则需要更新父级
if (entity.getCategoryId() != null && !entity.getCategoryId().equals(categoryEntity.getCategoryId())) {
//更新旧的父级
if (StrUtil.isNotBlank(categoryEntity.getCategoryId()) && !"0".equals(categoryEntity.getCategoryId())) {
CategoryEntity parent = getById(categoryEntity.getCategoryId());
//如果修改了父级则需要判断父级是否还有子节点
boolean leaf = parent.getLeaf();
//查找不等于当前更新的分类子集，有则不是叶子节点
QueryWrapper queryWrapper = new QueryWrapper<>();
parent.setLeaf(count(queryWrapper.eq("category_id", parent.getId()).ne("id", entity.getId())) == 0);
if (leaf != parent.getLeaf()) {
updateById(parent);
}
}
//更新新的父级
if (StrUtil.isNotBlank(entity.getCategoryId()) && !"0".equals(entity.getCategoryId())) {
CategoryEntity parent = getById(entity.getCategoryId());
//如果之前是叶子节点就更新
if (parent.getLeaf()) {
parent.setLeaf(false);
updateById(parent);
}
}
}
}
/**
* 设置顶级id
* @param entity
*/
private void setTopId(CategoryEntity entity) {
String categoryParentId = entity.getCategoryParentIds();
if (StrUtil.isNotBlank(categoryParentId)) {
String[] ids = categoryParentId.split(",");
//如果有ParentId就取第一个
if (ids.length > 0) {
entity.setTopId(ids[0]);
return;
}
}
entity.setTopId("0");
}
@Override
public void copyCategory(CategoryEntity category) {
String oldId = category.getId();
//先保存被复制第一层栏目，因为第一层栏目不需要变更父级栏目
category = getById(oldId);
//id、拼音和路径按照原来的业务逻辑生成
category.setId(null);
category.setCategoryPinyin(null);
category.setCategoryPath(null);
saveEntity(category);
//传入简要被复制子栏目的id和复制后的生成的id，复制的子栏目全部使用
recursionCopyChilds(oldId, category.getId());
}
/*
* 递归复制子栏目
* @param oldParentId：被复制的父级栏目id（需要数据库原来存在该数据）
* @param newParentId：复制栏目后新父级的id（新插入数据的id）
* */
private void recursionCopyChilds(String oldParentId, String newParentId) {
CategoryEntity _category = new CategoryEntity();
_category.setCategoryId(oldParentId);
List childs = query(_category);
for (CategoryEntity child : childs) {
String childId = child.getId();
//id、拼音和路径按照原来的业务逻辑生成
child.setId(null);
child.setCategoryPinyin(null);
child.setCategoryPath(null);
child.setCategoryId(newParentId);
saveEntity(child);
//如果该栏目下还有子栏目则继续复制该栏目里的子栏目
recursionCopyChilds(childId, child.getId());
}
}
}