package com.ruoyi.system.service.impl;
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import java.util.ArrayList;
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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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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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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.core.text.Convert;
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import com.ruoyi.common.exception.ServiceException;
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import com.ruoyi.common.utils.SecurityUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.spring.SpringUtils;
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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.service.ISysDeptService;
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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 implements ISysDeptService
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{
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@Autowired
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private SysDeptMapper deptMapper;
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@Autowired
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private SysRoleMapper roleMapper;
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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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{
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return deptMapper.selectDeptList(dept);
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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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{
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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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{
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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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{
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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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{
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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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{
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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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{
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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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{
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SysRole role = roleMapper.selectRoleById(roleId);
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return deptMapper.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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{
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return deptMapper.selectDeptById(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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{
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return deptMapper.selectNormalChildrenDeptById(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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{
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int result = deptMapper.hasChildByDeptId(deptId);
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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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{
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int result = deptMapper.checkDeptExistUser(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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{
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Long deptId = StringUtils.isNull(dept.getDeptId()) ? -1L : dept.getDeptId();
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SysDept info = deptMapper.checkDeptNameUnique(dept.getDeptName(), dept.getParentId());
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if (StringUtils.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue())
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{
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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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* 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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{
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if (!SysUser.isAdmin(SecurityUtils.getUserId()))
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{
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SysDept dept = new SysDept();
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dept.setDeptId(deptId);
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List<SysDept> depts = SpringUtils.getAopProxy(this).selectDeptList(dept);
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if (StringUtils.isEmpty(depts))
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{
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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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{
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SysDept info = deptMapper.selectDeptById(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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{
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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() + "," + dept.getParentId());
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return deptMapper.insertDept(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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{
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SysDept newParentDept = deptMapper.selectDeptById(dept.getParentId());
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SysDept oldDept = deptMapper.selectDeptById(dept.getDeptId());
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if (StringUtils.isNotNull(newParentDept) && StringUtils.isNotNull(oldDept))
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{
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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 = deptMapper.updateDept(dept);
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if (UserConstants.DEPT_NORMAL.equals(dept.getStatus()) && StringUtils.isNotEmpty(dept.getAncestors())
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&& !StringUtils.equals("0", dept.getAncestors()))
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{
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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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{
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String ancestors = dept.getAncestors();
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Long[] deptIds = Convert.toLongArray(ancestors);
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deptMapper.updateDeptStatusNormal(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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{
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List<SysDept> children = deptMapper.selectChildrenDeptById(deptId);
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for (SysDept child : children)
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{
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child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
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}
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if (children.size() > 0)
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{
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deptMapper.updateDeptChildren(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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{
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return deptMapper.deleteDeptById(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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{
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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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{
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if (hasChild(list, tChild))
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{
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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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{
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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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{
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SysDept n = (SysDept) it.next();
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if (StringUtils.isNotNull(n.getParentId()) && n.getParentId().longValue() == t.getDeptId().longValue())
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{
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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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{
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return getChildList(list, t).size() > 0 ? true : false;
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}
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}
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