package org.dromara.system.service.impl;
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import cn.hutool.core.bean.BeanUtil;
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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.baomidou.mybatisplus.core.toolkit.Wrappers;
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import lombok.RequiredArgsConstructor;
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import org.dromara.common.core.constant.CacheNames;
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import org.dromara.common.core.constant.SystemConstants;
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import org.dromara.common.core.domain.dto.DeptDTO;
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import org.dromara.common.core.exception.ServiceException;
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import org.dromara.common.core.service.DeptService;
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import org.dromara.common.core.utils.*;
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import org.dromara.common.mybatis.helper.DataBaseHelper;
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import org.dromara.common.redis.utils.CacheUtils;
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import org.dromara.common.satoken.utils.LoginHelper;
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import org.dromara.system.domain.SysDept;
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import org.dromara.system.domain.SysRole;
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import org.dromara.system.domain.SysUser;
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import org.dromara.system.domain.bo.SysDeptBo;
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import org.dromara.system.domain.vo.SysDeptVo;
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import org.dromara.system.mapper.SysDeptMapper;
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import org.dromara.system.mapper.SysRoleMapper;
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import org.dromara.system.mapper.SysUserMapper;
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import org.dromara.system.service.ISysDeptService;
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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.cache.annotation.Caching;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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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<SysDeptVo> selectDeptList(SysDeptBo dept) {
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LambdaQueryWrapper<SysDept> lqw = buildQueryWrapper(dept);
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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 bo 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(SysDeptBo bo) {
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LambdaQueryWrapper<SysDept> lqw = buildQueryWrapper(bo);
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List<SysDeptVo> depts = baseMapper.selectDeptList(lqw);
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return buildDeptTreeSelect(depts);
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}
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private LambdaQueryWrapper<SysDept> buildQueryWrapper(SysDeptBo bo) {
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LambdaQueryWrapper<SysDept> lqw = Wrappers.lambdaQuery();
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lqw.eq(SysDept::getDelFlag, SystemConstants.NORMAL);
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lqw.eq(ObjectUtil.isNotNull(bo.getDeptId()), SysDept::getDeptId, bo.getDeptId());
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lqw.eq(ObjectUtil.isNotNull(bo.getParentId()), SysDept::getParentId, bo.getParentId());
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lqw.like(StringUtils.isNotBlank(bo.getDeptName()), SysDept::getDeptName, bo.getDeptName());
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lqw.like(StringUtils.isNotBlank(bo.getDeptCategory()), SysDept::getDeptCategory, bo.getDeptCategory());
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lqw.eq(StringUtils.isNotBlank(bo.getStatus()), SysDept::getStatus, bo.getStatus());
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lqw.orderByAsc(SysDept::getAncestors);
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lqw.orderByAsc(SysDept::getParentId);
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lqw.orderByAsc(SysDept::getOrderNum);
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lqw.orderByAsc(SysDept::getDeptId);
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return lqw;
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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<SysDeptVo> depts) {
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if (CollUtil.isEmpty(depts)) {
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return CollUtil.newArrayList();
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}
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// 获取当前列表中每一个节点的parentId，然后在列表中查找是否有id与其parentId对应，若无对应，则表明此时节点列表中，该节点在当前列表中属于顶级节点
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List<Tree<Long>> treeList = CollUtil.newArrayList();
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for (SysDeptVo d : depts) {
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Long parentId = d.getParentId();
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SysDeptVo sysDeptVo = StreamUtils.findFirst(depts, it -> it.getDeptId().longValue() == parentId);
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if (ObjectUtil.isNull(sysDeptVo)) {
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List<Tree<Long>> trees = TreeBuildUtils.build(depts, parentId, (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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.putExtra("disabled", SystemConstants.DISABLE.equals(dept.getStatus())));
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Tree<Long> tree = StreamUtils.findFirst(trees, it -> it.getId().longValue() == d.getDeptId());
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treeList.add(tree);
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}
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}
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return treeList;
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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(Long 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 SysDeptVo selectDeptById(Long deptId) {
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SysDeptVo dept = baseMapper.selectVoById(deptId);
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if (ObjectUtil.isNull(dept)) {
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return null;
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}
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SysDeptVo parentDept = baseMapper.selectVoOne(new LambdaQueryWrapper<SysDept>()
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.select(SysDept::getDeptName).eq(SysDept::getDeptId, dept.getParentId()));
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dept.setParentName(ObjectUtils.notNullGetter(parentDept, SysDeptVo::getDeptName));
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return dept;
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}
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@Override
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public List<SysDeptVo> selectDeptByIds(List<Long> deptIds) {
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return baseMapper.selectDeptList(new LambdaQueryWrapper<SysDept>()
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.select(SysDept::getDeptId, SysDept::getDeptName, SysDept::getLeader)
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.eq(SysDept::getStatus, SystemConstants.NORMAL)
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.in(CollUtil.isNotEmpty(deptIds), SysDept::getDeptId, deptIds));
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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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SysDeptVo vo = SpringUtils.getAopProxy(this).selectDeptById(id);
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if (ObjectUtil.isNotNull(vo)) {
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list.add(vo.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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* 根据部门ID查询部门负责人
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*
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* @param deptId 部门ID，用于指定需要查询的部门
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* @return 返回该部门的负责人ID
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*/
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@Override
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public Long selectDeptLeaderById(Long deptId) {
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SysDeptVo vo = SpringUtils.getAopProxy(this).selectDeptById(deptId);
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return vo.getLeader();
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}
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/**
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* 查询部门
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*
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* @return 部门列表
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*/
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@Override
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public List<DeptDTO> selectDeptsByList() {
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List<SysDeptVo> list = baseMapper.selectDeptList(new LambdaQueryWrapper<SysDept>()
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.select(SysDept::getDeptId, SysDept::getDeptName, SysDept::getParentId)
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.eq(SysDept::getStatus, SystemConstants.NORMAL));
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return BeanUtil.copyToList(list, DeptDTO.class);
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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, SystemConstants.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(SysDeptBo 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 (ObjectUtil.isNull(deptId)) {
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return;
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}
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if (LoginHelper.isSuperAdmin()) {
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return;
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}
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if (baseMapper.countDeptById(deptId) == 0) {
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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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* 新增保存部门信息
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*
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* @param bo 部门信息
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* @return 结果
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*/
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@CacheEvict(cacheNames = CacheNames.SYS_DEPT_AND_CHILD, allEntries = true)
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@Override
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public int insertDept(SysDeptBo bo) {
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SysDept info = baseMapper.selectById(bo.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 (!SystemConstants.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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SysDept dept = MapstructUtils.convert(bo, SysDept.class);
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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 bo 部门信息
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* @return 结果
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*/
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@Caching(evict = {
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@CacheEvict(cacheNames = CacheNames.SYS_DEPT, key = "#bo.deptId"),
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@CacheEvict(cacheNames = CacheNames.SYS_DEPT_AND_CHILD, allEntries = true)
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})
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@Override
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@Transactional(rollbackFor = Exception.class)
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public int updateDept(SysDeptBo bo) {
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SysDept dept = MapstructUtils.convert(bo, SysDept.class);
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SysDept oldDept = baseMapper.selectById(dept.getDeptId());
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if (ObjectUtil.isNull(oldDept)) {
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throw new ServiceException("部门不存在，无法修改");
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}
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if (!oldDept.getParentId().equals(dept.getParentId())) {
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// 如果是新父部门 则校验是否具有新父部门权限 避免越权
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this.checkDeptDataScope(dept.getParentId());
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SysDept newParentDept = baseMapper.selectById(dept.getParentId());
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if (ObjectUtil.isNotNull(newParentDept)) {
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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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} else {
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dept.setAncestors(oldDept.getAncestors());
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}
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int result = baseMapper.updateById(dept);
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if (SystemConstants.NORMAL.equals(dept.getStatus()) && StringUtils.isNotEmpty(dept.getAncestors())
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&& !StringUtils.equals(SystemConstants.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, SystemConstants.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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private 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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@Caching(evict = {
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@CacheEvict(cacheNames = CacheNames.SYS_DEPT, key = "#deptId"),
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@CacheEvict(cacheNames = CacheNames.SYS_DEPT_AND_CHILD, key = "#deptId")
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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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