From 961073ec96bfbb920f9afd952052c20b3791eb4d Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期二, 15 二月 2022 10:45:04 +0800
Subject: [PATCH] update 优化 TreeBuildUtils 工具 使用反射自动获取顶级父id

---
 ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java |   69 ++++++++++++++++------------------
 1 files changed, 33 insertions(+), 36 deletions(-)

diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index 0a2f8e6..621dc07 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -1,17 +1,17 @@
 package com.ruoyi.system.service.impl;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.convert.Convert;
 import cn.hutool.core.lang.tree.Tree;
+import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
-import com.ruoyi.common.annotation.DataScope;
 import com.ruoyi.common.constant.UserConstants;
 import com.ruoyi.common.core.domain.entity.SysDept;
 import com.ruoyi.common.core.domain.entity.SysRole;
 import com.ruoyi.common.core.domain.entity.SysUser;
-import com.ruoyi.common.core.mybatisplus.core.ServicePlusImpl;
 import com.ruoyi.common.exception.ServiceException;
-import com.ruoyi.common.utils.SecurityUtils;
+import com.ruoyi.common.helper.LoginHelper;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.TreeBuildUtils;
 import com.ruoyi.common.utils.spring.SpringUtils;
@@ -19,7 +19,7 @@
 import com.ruoyi.system.mapper.SysRoleMapper;
 import com.ruoyi.system.mapper.SysUserMapper;
 import com.ruoyi.system.service.ISysDeptService;
-import org.springframework.beans.factory.annotation.Autowired;
+import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
 import java.util.Arrays;
@@ -30,14 +30,13 @@
  *
  * @author Lion Li
  */
+@RequiredArgsConstructor
 @Service
-public class SysDeptServiceImpl extends ServicePlusImpl<SysDeptMapper, SysDept, SysDept> implements ISysDeptService {
+public class SysDeptServiceImpl implements ISysDeptService {
 
-    @Autowired
-    private SysRoleMapper roleMapper;
-
-    @Autowired
-    private SysUserMapper userMapper;
+    private final SysDeptMapper baseMapper;
+    private final SysRoleMapper roleMapper;
+    private final SysUserMapper userMapper;
 
     /**
      * 鏌ヨ閮ㄩ棬绠$悊鏁版嵁
@@ -46,7 +45,6 @@
      * @return 閮ㄩ棬淇℃伅闆嗗悎
      */
     @Override
-    @DataScope(deptAlias = "d")
     public List<SysDept> selectDeptList(SysDept dept) {
         return baseMapper.selectDeptList(dept);
     }
@@ -59,6 +57,9 @@
      */
     @Override
     public List<Tree<Long>> buildDeptTreeSelect(List<SysDept> depts) {
+        if (CollUtil.isEmpty(depts)) {
+            return CollUtil.newArrayList();
+        }
         return TreeBuildUtils.build(depts, (dept, tree) ->
             tree.setId(dept.getDeptId())
                 .setParentId(dept.getParentId())
@@ -73,7 +74,7 @@
      * @return 閫変腑閮ㄩ棬鍒楄〃
      */
     @Override
-    public List<Integer> selectDeptListByRoleId(Long roleId) {
+    public List<Long> selectDeptListByRoleId(Long roleId) {
         SysRole role = roleMapper.selectById(roleId);
         return baseMapper.selectDeptListByRoleId(roleId, role.isDeptCheckStrictly());
     }
@@ -86,19 +87,19 @@
      */
     @Override
     public SysDept selectDeptById(Long deptId) {
-        return getById(deptId);
+        return baseMapper.selectById(deptId);
     }
 
     /**
-     * 鏍规嵁ID鏌ヨ鎵�鏈夊瓙閮ㄩ棬锛堟甯哥姸鎬侊級
+     * 鏍规嵁ID鏌ヨ鎵�鏈夊瓙閮ㄩ棬鏁帮紙姝e父鐘舵�侊級
      *
      * @param deptId 閮ㄩ棬ID
      * @return 瀛愰儴闂ㄦ暟
      */
     @Override
     public long selectNormalChildrenDeptById(Long deptId) {
-        return count(new LambdaQueryWrapper<SysDept>()
-            .eq(SysDept::getStatus, 0)
+        return baseMapper.selectCount(new LambdaQueryWrapper<SysDept>()
+            .eq(SysDept::getStatus, UserConstants.DEPT_NORMAL)
             .apply("find_in_set({0}, ancestors)", deptId));
     }
 
@@ -110,10 +111,8 @@
      */
     @Override
     public boolean hasChildByDeptId(Long deptId) {
-        long result = count(new LambdaQueryWrapper<SysDept>()
-            .eq(SysDept::getParentId, deptId)
-            .last("limit 1"));
-        return result > 0;
+        return baseMapper.exists(new LambdaQueryWrapper<SysDept>()
+            .eq(SysDept::getParentId, deptId));
     }
 
     /**
@@ -124,9 +123,8 @@
      */
     @Override
     public boolean checkDeptExistUser(Long deptId) {
-        long result = userMapper.selectCount(new LambdaQueryWrapper<SysUser>()
+        return userMapper.exists(new LambdaQueryWrapper<SysUser>()
             .eq(SysUser::getDeptId, deptId));
-        return result > 0;
     }
 
     /**
@@ -137,12 +135,11 @@
      */
     @Override
     public String checkDeptNameUnique(SysDept dept) {
-        Long deptId = StringUtils.isNull(dept.getDeptId()) ? -1L : dept.getDeptId();
-        SysDept info = getOne(new LambdaQueryWrapper<SysDept>()
+        boolean exist = baseMapper.exists(new LambdaQueryWrapper<SysDept>()
             .eq(SysDept::getDeptName, dept.getDeptName())
             .eq(SysDept::getParentId, dept.getParentId())
-            .last("limit 1"));
-        if (StringUtils.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue()) {
+            .ne(ObjectUtil.isNotNull(dept.getDeptId()), SysDept::getDeptId, dept.getDeptId()));
+        if (exist) {
             return UserConstants.NOT_UNIQUE;
         }
         return UserConstants.UNIQUE;
@@ -155,11 +152,11 @@
      */
     @Override
     public void checkDeptDataScope(Long deptId) {
-        if (!SysUser.isAdmin(SecurityUtils.getUserId())) {
+        if (!SysUser.isAdmin(LoginHelper.getUserId())) {
             SysDept dept = new SysDept();
             dept.setDeptId(deptId);
             List<SysDept> depts = SpringUtils.getAopProxy(this).selectDeptList(dept);
-            if (StringUtils.isEmpty(depts)) {
+            if (CollUtil.isEmpty(depts)) {
                 throw new ServiceException("娌℃湁鏉冮檺璁块棶閮ㄩ棬鏁版嵁锛�");
             }
         }
@@ -173,7 +170,7 @@
      */
     @Override
     public int insertDept(SysDept dept) {
-        SysDept info = getById(dept.getParentId());
+        SysDept info = baseMapper.selectById(dept.getParentId());
         // 濡傛灉鐖惰妭鐐逛笉涓烘甯哥姸鎬�,鍒欎笉鍏佽鏂板瀛愯妭鐐�
         if (!UserConstants.DEPT_NORMAL.equals(info.getStatus())) {
             throw new ServiceException("閮ㄩ棬鍋滅敤锛屼笉鍏佽鏂板");
@@ -190,9 +187,9 @@
      */
     @Override
     public int updateDept(SysDept dept) {
-        SysDept newParentDept = getById(dept.getParentId());
-        SysDept oldDept = getById(dept.getDeptId());
-        if (StringUtils.isNotNull(newParentDept) && StringUtils.isNotNull(oldDept)) {
+        SysDept newParentDept = baseMapper.selectById(dept.getParentId());
+        SysDept oldDept = baseMapper.selectById(dept.getDeptId());
+        if (ObjectUtil.isNotNull(newParentDept) && ObjectUtil.isNotNull(oldDept)) {
             String newAncestors = newParentDept.getAncestors() + "," + newParentDept.getDeptId();
             String oldAncestors = oldDept.getAncestors();
             dept.setAncestors(newAncestors);
@@ -200,7 +197,7 @@
         }
         int result = baseMapper.updateById(dept);
         if (UserConstants.DEPT_NORMAL.equals(dept.getStatus()) && StringUtils.isNotEmpty(dept.getAncestors())
-            && !StringUtils.equals("0", dept.getAncestors())) {
+            && !StringUtils.equals(UserConstants.DEPT_NORMAL, dept.getAncestors())) {
             // 濡傛灉璇ラ儴闂ㄦ槸鍚敤鐘舵�侊紝鍒欏惎鐢ㄨ閮ㄩ棬鐨勬墍鏈変笂绾ч儴闂�
             updateParentDeptStatusNormal(dept);
         }
@@ -215,8 +212,8 @@
     private void updateParentDeptStatusNormal(SysDept dept) {
         String ancestors = dept.getAncestors();
         Long[] deptIds = Convert.toLongArray(ancestors);
-        update(null, new LambdaUpdateWrapper<SysDept>()
-            .set(SysDept::getStatus, "0")
+        baseMapper.update(null, new LambdaUpdateWrapper<SysDept>()
+            .set(SysDept::getStatus, UserConstants.DEPT_NORMAL)
             .in(SysDept::getDeptId, Arrays.asList(deptIds)));
     }
 
@@ -228,7 +225,7 @@
      * @param oldAncestors 鏃х殑鐖禝D闆嗗悎
      */
     public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors) {
-        List<SysDept> children = list(new LambdaQueryWrapper<SysDept>()
+        List<SysDept> children = baseMapper.selectList(new LambdaQueryWrapper<SysDept>()
             .apply("find_in_set({0},ancestors)", deptId));
         for (SysDept child : children) {
             child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));

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