package com.dl.system.service.impl;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.lang.tree.Tree;
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import cn.hutool.core.util.ObjectUtil;
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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.dl.common.constant.CacheNames;
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import com.dl.common.constant.UserConstants;
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import com.dl.common.core.domain.entity.SysDept;
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import com.dl.common.core.domain.entity.SysRole;
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import com.dl.common.core.domain.entity.SysUser;
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import com.dl.common.core.service.DeptService;
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import com.dl.common.exception.ServiceException;
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import com.dl.common.helper.DataBaseHelper;
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import com.dl.common.helper.LoginHelper;
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import com.dl.common.utils.StringUtils;
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import com.dl.common.utils.TreeBuildUtils;
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import com.dl.common.utils.redis.CacheUtils;
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import com.dl.common.utils.spring.SpringUtils;
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import com.dl.system.mapper.SysDeptMapper;
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import com.dl.system.mapper.SysRoleMapper;
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import com.dl.system.mapper.SysUserMapper;
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import com.dl.system.service.ISysDeptService;
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import lombok.RequiredArgsConstructor;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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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.List;
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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 Lion Li
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*/
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@RequiredArgsConstructor
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@Service
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public class SysDeptServiceImpl implements ISysDeptService, DeptService {
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private final SysDeptMapper baseMapper;
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private final SysRoleMapper roleMapper;
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private final 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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public List<SysDept> selectDeptList(SysDept dept) {
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LambdaQueryWrapper<SysDept> lqw = new LambdaQueryWrapper<>();
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lqw.eq(SysDept::getDelFlag, "0")
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.eq(ObjectUtil.isNotNull(dept.getDeptId()), SysDept::getDeptId, dept.getDeptId())
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.eq(ObjectUtil.isNotNull(dept.getParentId()), SysDept::getParentId, dept.getParentId())
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.like(StringUtils.isNotBlank(dept.getDeptName()), SysDept::getDeptName, dept.getDeptName())
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.eq(StringUtils.isNotBlank(dept.getStatus()), SysDept::getStatus, dept.getStatus())
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.orderByAsc(SysDept::getParentId)
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.orderByAsc(SysDept::getOrderNum);
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return baseMapper.selectDeptList(lqw);
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}
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/**
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* 查询部门树结构信息
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*
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* @param dept 部门信息
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* @return 部门树信息集合
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*/
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@Override
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public List<Tree<Long>> selectDeptTreeList(SysDept dept) {
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List<SysDept> depts = this.selectDeptList(dept);
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return buildDeptTreeSelect(depts);
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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<Tree<Long>> buildDeptTreeSelect(List<SysDept> depts) {
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if (CollUtil.isEmpty(depts)) {
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return CollUtil.newArrayList();
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}
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return TreeBuildUtils.build(depts, (dept, tree) ->
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tree.setId(dept.getDeptId())
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.setParentId(dept.getParentId())
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.setName(dept.getDeptName())
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.setWeight(dept.getOrderNum()));
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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<Long> selectDeptListByRoleId(String roleId) {
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SysRole role = roleMapper.selectById(roleId);
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return baseMapper.selectDeptListByRoleId(roleId, role.getDeptCheckStrictly());
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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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@Cacheable(cacheNames = CacheNames.SYS_DEPT, key = "#deptId")
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@Override
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public SysDept selectDeptById(Long deptId) {
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SysDept dept = baseMapper.selectById(deptId);
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if (ObjectUtil.isNull(dept)) {
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return null;
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}
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SysDept parentDept = baseMapper.selectOne(new LambdaQueryWrapper<SysDept>()
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.select(SysDept::getDeptName).eq(SysDept::getDeptId, dept.getParentId()));
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dept.setParentName(ObjectUtil.isNotNull(parentDept) ? parentDept.getDeptName() : null);
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return dept;
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}
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/**
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* 通过部门ID查询部门名称
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*
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* @param deptIds 部门ID串逗号分隔
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* @return 部门名称串逗号分隔
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*/
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@Override
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public String selectDeptNameByIds(String deptIds) {
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List<String> list = new ArrayList<>();
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for (Long id : StringUtils.splitTo(deptIds, Convert::toLong)) {
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SysDept dept = SpringUtils.getAopProxy(this).selectDeptById(id);
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if (ObjectUtil.isNotNull(dept)) {
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list.add(dept.getDeptName());
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}
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}
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return String.join(StringUtils.SEPARATOR, list);
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}
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/**
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* 根据ID查询所有子部门数（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 long selectNormalChildrenDeptById(Long deptId) {
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return baseMapper.selectCount(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getStatus, UserConstants.DEPT_NORMAL)
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.apply(DataBaseHelper.findInSet(deptId, "ancestors")));
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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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return baseMapper.exists(new LambdaQueryWrapper<SysDept>()
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.eq(SysDept::getParentId, deptId));
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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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return userMapper.exists(new LambdaQueryWrapper<SysUser>()
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.eq(SysUser::getDeptId, deptId));
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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 boolean checkDeptNameUnique(SysDept dept) {
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boolean exist = baseMapper.exists(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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.ne(ObjectUtil.isNotNull(dept.getDeptId()), SysDept::getDeptId, dept.getDeptId()));
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return !exist;
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}
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/**
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* 校验部门是否有数据权限
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*
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* @param deptId 部门id
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*/
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@Override
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public void checkDeptDataScope(Long deptId) {
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if (!LoginHelper.isAdmin()) {
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SysDept dept = new SysDept();
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dept.setDeptId(deptId);
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List<SysDept> depts = this.selectDeptList(dept);
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if (CollUtil.isEmpty(depts)) {
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throw new ServiceException("没有权限访问部门数据！");
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}
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}
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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 = baseMapper.selectById(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 ServiceException("部门停用，不允许新增");
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}
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dept.setAncestors(info.getAncestors() + StringUtils.SEPARATOR + 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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@CacheEvict(cacheNames = CacheNames.SYS_DEPT, key = "#dept.deptId")
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@Override
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public int updateDept(SysDept dept) {
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SysDept newParentDept = baseMapper.selectById(dept.getParentId());
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SysDept oldDept = baseMapper.selectById(dept.getDeptId());
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if (ObjectUtil.isNotNull(newParentDept) && ObjectUtil.isNotNull(oldDept)) {
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String newAncestors = newParentDept.getAncestors() + StringUtils.SEPARATOR + 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()) && StringUtils.isNotEmpty(dept.getAncestors())
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&& !StringUtils.equals(UserConstants.DEPT_NORMAL, dept.getAncestors())) {
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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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updateParentDeptStatusNormal(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 updateParentDeptStatusNormal(SysDept dept) {
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String ancestors = dept.getAncestors();
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Long[] deptIds = Convert.toLongArray(ancestors);
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baseMapper.update(null, new LambdaUpdateWrapper<SysDept>()
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.set(SysDept::getStatus, UserConstants.DEPT_NORMAL)
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.in(SysDept::getDeptId, Arrays.asList(deptIds)));
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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 = baseMapper.selectList(new LambdaQueryWrapper<SysDept>()
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.apply(DataBaseHelper.findInSet(deptId, "ancestors")));
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List<SysDept> list = new ArrayList<>();
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for (SysDept child : children) {
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SysDept dept = new SysDept();
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dept.setDeptId(child.getDeptId());
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dept.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
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list.add(dept);
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}
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if (CollUtil.isNotEmpty(list)) {
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if (baseMapper.updateBatchById(list)) {
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list.forEach(dept -> CacheUtils.evict(CacheNames.SYS_DEPT, dept.getDeptId()));
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}
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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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@CacheEvict(cacheNames = CacheNames.SYS_DEPT, key = "#deptId")
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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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