package com.ruoyi.system.service.impl;
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import cn.hutool.core.lang.Validator;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.annotation.DataScope;
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import com.ruoyi.common.constant.UserConstants;
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import com.ruoyi.common.core.domain.TreeSelect;
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import com.ruoyi.common.core.domain.entity.SysDept;
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import com.ruoyi.common.core.domain.entity.SysRole;
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import com.ruoyi.common.core.domain.entity.SysUser;
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import com.ruoyi.common.exception.CustomException;
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import com.ruoyi.system.mapper.SysDeptMapper;
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import com.ruoyi.system.mapper.SysRoleMapper;
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import com.ruoyi.system.mapper.SysUserMapper;
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import com.ruoyi.system.service.ISysDeptService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import java.util.stream.Collectors;
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/**
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* 部门管理 服务实现
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*
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* @author ruoyi
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*/
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@Service
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public class SysDeptServiceImpl extends ServiceImpl<SysDeptMapper, SysDept> implements ISysDeptService {
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@Autowired
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private SysRoleMapper roleMapper;
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@Autowired
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private SysUserMapper userMapper;
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/**
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* 查询部门管理数据
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*
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* @param dept 部门信息
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* @return 部门信息集合
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*/
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@Override
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@DataScope(deptAlias = "d")
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public List<SysDept> selectDeptList(SysDept dept) {
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Object dataScope = dept.getParams().get("dataScope");
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return list(new LambdaQueryWrapper<SysDept>()
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.eq(dept.getParentId() != null && dept.getParentId() != 0,
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SysDept::getParentId, dept.getParentId())
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.like(StrUtil.isNotBlank(dept.getDeptName()), SysDept::getDeptName, dept.getDeptName())
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.eq(StrUtil.isNotBlank(dept.getStatus()), SysDept::getStatus, dept.getStatus())
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.apply(dataScope != null, dataScope != null ? dataScope.toString() : null)
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.orderByAsc(SysDept::getParentId)
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.orderByAsc(SysDept::getOrderNum));
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}
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/**
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* 构建前端所需要树结构
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*
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* @param depts 部门列表
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* @return 树结构列表
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*/
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@Override
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public List<SysDept> buildDeptTree(List<SysDept> depts) {
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List<SysDept> returnList = new ArrayList<SysDept>();
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List<Long> tempList = new ArrayList<Long>();
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for (SysDept dept : depts) {
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tempList.add(dept.getDeptId());
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}
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for (Iterator<SysDept> iterator = depts.iterator(); iterator.hasNext(); ) {
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SysDept dept = (SysDept) iterator.next();
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// 如果是顶级节点, 遍历该父节点的所有子节点
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if (!tempList.contains(dept.getParentId())) {
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recursionFn(depts, dept);
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returnList.add(dept);
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}
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}
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if (returnList.isEmpty()) {
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returnList = depts;
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}
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return returnList;
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}
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/**
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* 构建前端所需要下拉树结构
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*
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* @param depts 部门列表
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* @return 下拉树结构列表
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*/
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@Override
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public List<TreeSelect> buildDeptTreeSelect(List<SysDept> depts) {
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List<SysDept> deptTrees = buildDeptTree(depts);
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return deptTrees.stream().map(TreeSelect::new).collect(Collectors.toList());
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}
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/**
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* 根据角色ID查询部门树信息
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*
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* @param roleId 角色ID
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* @return 选中部门列表
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*/
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@Override
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public List<Integer> selectDeptListByRoleId(Long roleId) {
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SysRole role = roleMapper.selectRoleById(roleId);
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return baseMapper.selectDeptListByRoleId(roleId, role.isDeptCheckStrictly());
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}
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/**
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* 根据部门ID查询信息
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*
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* @param deptId 部门ID
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* @return 部门信息
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*/
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@Override
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public SysDept selectDeptById(Long deptId) {
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return getById(deptId);
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}
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/**
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* 根据ID查询所有子部门（正常状态）
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*
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* @param deptId 部门ID
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* @return 子部门数
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*/
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@Override
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public int selectNormalChildrenDeptById(Long deptId) {
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return count(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getStatus, 0)
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.apply("find_in_set({0}, ancestors)", deptId));
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}
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/**
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* 是否存在子节点
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*
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* @param deptId 部门ID
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* @return 结果
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*/
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@Override
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public boolean hasChildByDeptId(Long deptId) {
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int result = count(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getParentId, deptId)
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.last("limit 1"));
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return result > 0 ? true : false;
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}
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/**
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* 查询部门是否存在用户
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*
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* @param deptId 部门ID
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* @return 结果 true 存在 false 不存在
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*/
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@Override
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public boolean checkDeptExistUser(Long deptId) {
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int result = userMapper.selectCount(new LambdaQueryWrapper<SysUser>()
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.eq(SysUser::getDeptId, deptId));
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return result > 0 ? true : false;
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}
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/**
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* 校验部门名称是否唯一
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*
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* @param dept 部门信息
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* @return 结果
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*/
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@Override
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public String checkDeptNameUnique(SysDept dept) {
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Long deptId = Validator.isNull(dept.getDeptId()) ? -1L : dept.getDeptId();
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SysDept info = getOne(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getDeptName, dept.getDeptName())
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.eq(SysDept::getParentId, dept.getParentId())
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.last("limit 1"));
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if (Validator.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue()) {
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return UserConstants.NOT_UNIQUE;
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}
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return UserConstants.UNIQUE;
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}
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/**
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* 新增保存部门信息
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*
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* @param dept 部门信息
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* @return 结果
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*/
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@Override
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public int insertDept(SysDept dept) {
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SysDept info = getById(dept.getParentId());
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// 如果父节点不为正常状态,则不允许新增子节点
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if (!UserConstants.DEPT_NORMAL.equals(info.getStatus())) {
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throw new CustomException("部门停用，不允许新增");
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}
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dept.setAncestors(info.getAncestors() + "," + dept.getParentId());
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return baseMapper.insert(dept);
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}
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/**
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* 修改保存部门信息
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*
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* @param dept 部门信息
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* @return 结果
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*/
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@Override
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public int updateDept(SysDept dept) {
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SysDept newParentDept = getById(dept.getParentId());
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SysDept oldDept = getById(dept.getDeptId());
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if (Validator.isNotNull(newParentDept) && Validator.isNotNull(oldDept)) {
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String newAncestors = newParentDept.getAncestors() + "," + newParentDept.getDeptId();
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String oldAncestors = oldDept.getAncestors();
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dept.setAncestors(newAncestors);
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updateDeptChildren(dept.getDeptId(), newAncestors, oldAncestors);
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}
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int result = baseMapper.updateById(dept);
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if (UserConstants.DEPT_NORMAL.equals(dept.getStatus())) {
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// 如果该部门是启用状态，则启用该部门的所有上级部门
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updateParentDeptStatus(dept);
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}
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return result;
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}
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/**
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* 修改该部门的父级部门状态
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*
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* @param dept 当前部门
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*/
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private void updateParentDeptStatus(SysDept dept) {
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String updateBy = dept.getUpdateBy();
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dept = getById(dept.getDeptId());
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dept.setUpdateBy(updateBy);
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update(null,new LambdaUpdateWrapper<SysDept>()
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.set(StrUtil.isNotBlank(dept.getStatus()),
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SysDept::getStatus,dept.getStatus())
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.set(StrUtil.isNotBlank(dept.getUpdateBy()),
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SysDept::getUpdateBy,dept.getUpdateBy())
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.in(SysDept::getDeptId, Arrays.asList(dept.getAncestors().split(","))));
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}
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/**
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* 修改子元素关系
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*
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* @param deptId 被修改的部门ID
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* @param newAncestors 新的父ID集合
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* @param oldAncestors 旧的父ID集合
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*/
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public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors) {
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List<SysDept> children = list(new LambdaQueryWrapper<SysDept>()
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.apply("find_in_set({0},ancestors)",deptId));
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for (SysDept child : children) {
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child.setAncestors(child.getAncestors().replace(oldAncestors, newAncestors));
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}
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if (children.size() > 0) {
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updateBatchById(children);
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}
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}
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/**
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* 删除部门管理信息
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*
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* @param deptId 部门ID
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* @return 结果
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*/
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@Override
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public int deleteDeptById(Long deptId) {
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return baseMapper.deleteById(deptId);
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}
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/**
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* 递归列表
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*/
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private void recursionFn(List<SysDept> list, SysDept t) {
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// 得到子节点列表
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List<SysDept> childList = getChildList(list, t);
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t.setChildren(childList);
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for (SysDept tChild : childList) {
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if (hasChild(list, tChild)) {
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recursionFn(list, tChild);
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}
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}
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}
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/**
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* 得到子节点列表
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*/
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private List<SysDept> getChildList(List<SysDept> list, SysDept t) {
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List<SysDept> tlist = new ArrayList<SysDept>();
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Iterator<SysDept> it = list.iterator();
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while (it.hasNext()) {
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SysDept n = (SysDept) it.next();
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if (Validator.isNotNull(n.getParentId()) && n.getParentId().longValue() == t.getDeptId().longValue()) {
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tlist.add(n);
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}
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}
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return tlist;
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}
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/**
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* 判断是否有子节点
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*/
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private boolean hasChild(List<SysDept> list, SysDept t) {
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return getChildList(list, t).size() > 0 ? true : false;
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}
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}
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