From 942bdeee0b6fcc92b35e788c851d39c5182a8e40 Mon Sep 17 00:00:00 2001
From: heheng <475597332@qq.com>
Date: 星期二, 10 六月 2025 13:01:20 +0800
Subject: [PATCH] add

---
 multi-system/src/main/java/com/gkhy/exam/system/service/impl/SysDeptServiceImpl.java |  344 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 344 insertions(+), 0 deletions(-)

diff --git a/multi-system/src/main/java/com/gkhy/exam/system/service/impl/SysDeptServiceImpl.java b/multi-system/src/main/java/com/gkhy/exam/system/service/impl/SysDeptServiceImpl.java
new file mode 100644
index 0000000..15df9d6
--- /dev/null
+++ b/multi-system/src/main/java/com/gkhy/exam/system/service/impl/SysDeptServiceImpl.java
@@ -0,0 +1,344 @@
+package com.gkhy.exam.system.service.impl;
+
+
+import cn.hutool.core.convert.Convert;
+import cn.hutool.core.util.ObjectUtil;
+import com.gkhy.exam.common.constant.UserConstant;
+import com.gkhy.exam.common.domain.TreeSelect;
+import com.gkhy.exam.common.domain.entity.SysDept;
+import com.gkhy.exam.common.domain.entity.SysRole;
+import com.gkhy.exam.common.domain.entity.SysUser;
+import com.gkhy.exam.common.exception.ApiException;
+import com.gkhy.exam.common.utils.SecurityUtils;
+import com.gkhy.exam.common.utils.SpringUtils;
+import com.gkhy.exam.system.mapper.SysDeptMapper;
+import com.gkhy.exam.system.mapper.SysRoleMapper;
+import com.gkhy.exam.system.service.ISysDeptService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.Collectors;
+
+/**
+ * 部门管理 服务实现
+ * 
+ * @author expert
+ */
+@Service
+public class SysDeptServiceImpl implements ISysDeptService
+{
+    @Autowired
+    private SysDeptMapper deptMapper;
+
+    @Autowired
+    private SysRoleMapper roleMapper;
+
+    /**
+     * 查询部门管理数据
+     * 
+     * @param dept 部门信息
+     * @return 部门信息集合
+     */
+    @Override
+
+    public List<SysDept> selectDeptList(SysDept dept)
+    {
+        return deptMapper.selectDeptList(dept);
+    }
+
+    @Override
+    public List<SysDept> getOutDeptList(SysDept dept) {
+        return deptMapper.getOutDeptList(dept);
+    }
+
+    /**
+     * 查询部门树结构信息
+     * 
+     * @param dept 部门信息
+     * @return 部门树信息集合
+     */
+    @Override
+    public List<TreeSelect> selectDeptTreeList(SysDept dept)
+    {
+        List<SysDept> depts = SpringUtils.getAopProxy(this).selectDeptList(dept);
+        return buildDeptTreeSelect(depts);
+    }
+
+    /**
+     * 构建前端所需要树结构
+     * 
+     * @param depts 部门列表
+     * @return 树结构列表
+     */
+    @Override
+    public List<SysDept> buildDeptTree(List<SysDept> depts)
+    {
+        List<SysDept> returnList = new ArrayList<SysDept>();
+        List<Long> tempList = depts.stream().map(SysDept::getDeptId).collect(Collectors.toList());
+        for (SysDept dept : depts)
+        {
+            // 如果是顶级节点, 遍历该父节点的所有子节点
+            if (!tempList.contains(dept.getParentId()))
+            {
+                recursionFn(depts, dept);
+                returnList.add(dept);
+            }
+        }
+        if (returnList.isEmpty())
+        {
+            returnList = depts;
+        }
+        return returnList;
+    }
+
+    /**
+     * 构建前端所需要下拉树结构
+     * 
+     * @param depts 部门列表
+     * @return 下拉树结构列表
+     */
+    @Override
+    public List<TreeSelect> buildDeptTreeSelect(List<SysDept> depts)
+    {
+        List<SysDept> deptTrees = buildDeptTree(depts);
+        return deptTrees.stream().map(TreeSelect::new).collect(Collectors.toList());
+    }
+
+    /**
+     * 根据角色ID查询部门树信息
+     * 
+     * @param roleId 角色ID
+     * @return 选中部门列表
+     */
+    @Override
+    public List<Long> selectDeptListByRoleId(Long roleId)
+    {
+        SysRole role = roleMapper.selectRoleById(roleId);
+        return deptMapper.selectDeptListByRoleId(roleId, role.isDeptCheckStrictly());
+    }
+
+    /**
+     * 根据部门ID查询信息
+     * 
+     * @param deptId 部门ID
+     * @return 部门信息
+     */
+    @Override
+    public SysDept selectDeptById(Long deptId)
+    {
+        return deptMapper.selectDeptById(deptId);
+    }
+
+    /**
+     * 根据ID查询所有子部门(正常状态)
+     * 
+     * @param deptId 部门ID
+     * @return 子部门数
+     */
+    @Override
+    public int selectNormalChildrenDeptById(Long deptId)
+    {
+        return deptMapper.selectNormalChildrenDeptById(deptId);
+    }
+
+    /**
+     * 是否存在子节点
+     * 
+     * @param deptId 部门ID
+     * @return 结果
+     */
+    @Override
+    public boolean hasChildByDeptId(Long deptId)
+    {
+        int result = deptMapper.hasChildByDeptId(deptId);
+        return result > 0;
+    }
+
+    /**
+     * 查询部门是否存在用户
+     * 
+     * @param deptId 部门ID
+     * @return 结果 true 存在 false 不存在
+     */
+    @Override
+    public boolean checkDeptExistUser(Long deptId)
+    {
+        int result = deptMapper.checkDeptExistUser(deptId);
+        return result > 0;
+    }
+
+    /**
+     * 校验部门名称是否唯一
+     * 
+     * @param dept 部门信息
+     * @return 结果
+     */
+    @Override
+    public boolean checkDeptNameUnique(SysDept dept)
+    {
+        Long deptId = ObjectUtil.isNull(dept.getDeptId()) ? -1L : dept.getDeptId();
+        SysDept info = deptMapper.checkDeptNameUnique(dept.getDeptName(), dept.getParentId());
+        if (ObjectUtil.isNotNull(info) && info.getDeptId().longValue() != deptId.longValue())
+        {
+            return UserConstant.NOT_UNIQUE;
+        }
+        return UserConstant.UNIQUE;
+    }
+
+    /**
+     * 校验部门是否有数据权限
+     * 
+     * @param deptId 部门id
+     */
+    @Override
+    public void checkDeptDataScope(Long deptId)
+    {
+        if (!SysUser.isAdmin(SecurityUtils.getUserId()) && ObjectUtil.isNotNull(deptId))
+        {
+            SysDept dept = new SysDept();
+            dept.setDeptId(deptId);
+            List<SysDept> depts = SpringUtils.getAopProxy(this).selectDeptList(dept);
+            if (ObjectUtil.isEmpty(depts))
+            {
+                throw new ApiException("没有权限访问部门数据!");
+            }
+        }
+    }
+
+    /**
+     * 新增保存部门信息
+     * 
+     * @param dept 部门信息
+     * @return 结果
+     */
+    @Override
+    public int insertDept(SysDept dept)
+    {
+        SysDept info = deptMapper.selectDeptById(dept.getParentId());
+        // 如果父节点不为正常状态,则不允许新增子节点
+        if (!UserConstant.DEPT_NORMAL.equals(info.getStatus()))
+        {
+            throw new ApiException("部门停用,不允许新增");
+        }
+        dept.setAncestors(info.getAncestors() + "," + dept.getParentId());
+        return deptMapper.insertDept(dept);
+    }
+
+    /**
+     * 修改保存部门信息
+     * 
+     * @param dept 部门信息
+     * @return 结果
+     */
+    @Override
+    public int updateDept(SysDept dept)
+    {
+        SysDept newParentDept = deptMapper.selectDeptById(dept.getParentId());
+        SysDept oldDept = deptMapper.selectDeptById(dept.getDeptId());
+        if (ObjectUtil.isNotNull(newParentDept) && ObjectUtil.isNotNull(oldDept))
+        {
+            String newAncestors = newParentDept.getAncestors() + "," + newParentDept.getDeptId();
+            String oldAncestors = oldDept.getAncestors();
+            dept.setAncestors(newAncestors);
+            updateDeptChildren(dept.getDeptId(), newAncestors, oldAncestors);
+        }
+        int result = deptMapper.updateDept(dept);
+        if (UserConstant.DEPT_NORMAL.equals(dept.getStatus()) && ObjectUtil.isNotEmpty(dept.getAncestors())
+                && !ObjectUtil.equals("0", dept.getAncestors()))
+        {
+            // 如果该部门是启用状态,则启用该部门的所有上级部门
+            updateParentDeptStatusNormal(dept);
+        }
+        return result;
+    }
+
+    /**
+     * 修改该部门的父级部门状态
+     * 
+     * @param dept 当前部门
+     */
+    private void updateParentDeptStatusNormal(SysDept dept)
+    {
+        String ancestors = dept.getAncestors();
+        Long[] deptIds = Convert.toLongArray(ancestors);
+        deptMapper.updateDeptStatusNormal(deptIds);
+    }
+
+    /**
+     * 修改子元素关系
+     * 
+     * @param deptId 被修改的部门ID
+     * @param newAncestors 新的父ID集合
+     * @param oldAncestors 旧的父ID集合
+     */
+    public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors)
+    {
+        List<SysDept> children = deptMapper.selectChildrenDeptById(deptId);
+        for (SysDept child : children)
+        {
+            child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
+        }
+        if (children.size() > 0)
+        {
+            deptMapper.updateDeptChildren(children);
+        }
+    }
+
+    /**
+     * 删除部门管理信息
+     * 
+     * @param deptId 部门ID
+     * @return 结果
+     */
+    @Override
+    public int deleteDeptById(Long deptId)
+    {
+        return deptMapper.deleteDeptById(deptId);
+    }
+
+    /**
+     * 递归列表
+     */
+    private void recursionFn(List<SysDept> list, SysDept t)
+    {
+        // 得到子节点列表
+        List<SysDept> childList = getChildList(list, t);
+        t.setChildren(childList);
+        for (SysDept tChild : childList)
+        {
+            if (hasChild(list, tChild))
+            {
+                recursionFn(list, tChild);
+            }
+        }
+    }
+
+    /**
+     * 得到子节点列表
+     */
+    private List<SysDept> getChildList(List<SysDept> list, SysDept t)
+    {
+        List<SysDept> tlist = new ArrayList<SysDept>();
+        Iterator<SysDept> it = list.iterator();
+        while (it.hasNext())
+        {
+            SysDept n = (SysDept) it.next();
+            if (ObjectUtil.isNotNull(n.getParentId()) && n.getParentId().longValue() == t.getDeptId().longValue())
+            {
+                tlist.add(n);
+            }
+        }
+        return tlist;
+    }
+
+    /**
+     * 判断是否有子节点
+     */
+    private boolean hasChild(List<SysDept> list, SysDept t)
+    {
+        return getChildList(list, t).size() > 0;
+    }
+}

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