龚焕茏
2024-07-09 c5c10c1bb95f5bb7fdc8b714c5c998e78c26e0f7
src/main/java/com/mindskip/xzs/service/impl/DepartmentServiceImpl.java
@@ -1,24 +1,25 @@
package com.mindskip.xzs.service.impl;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.mindskip.xzs.domain.Department;
import com.mindskip.xzs.domain.UserDepartment;
import com.mindskip.xzs.domain.enums.DeptAdminEnum;
import com.mindskip.xzs.domain.vo.BaseSelect;
import com.mindskip.xzs.domain.vo.CascaderDataVO;
import com.mindskip.xzs.domain.vo.UpdateDeptAdminVO;
import com.mindskip.xzs.repository.BaseMapper;
import com.mindskip.xzs.repository.DepartmentMapper;
import com.mindskip.xzs.repository.UserDepartmentMapper;
import com.mindskip.xzs.repository.UserMapper;
import com.mindskip.xzs.service.DepartmentService;
import com.mindskip.xzs.utility.ModelMapperSingle;
import com.mindskip.xzs.utility.TreeUtils;
import com.mindskip.xzs.viewmodel.admin.department.DepartmentResponseVM;
import org.modelmapper.ModelMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;
import java.util.List;
import java.util.Objects;
import java.util.*;
import java.util.stream.Collectors;
@Service
public class DepartmentServiceImpl extends BaseServiceImpl<Department> implements DepartmentService {
@@ -27,19 +28,19 @@
    private final DepartmentMapper departmentMapper;
    private final UserDepartmentMapper userDepartmentMapper;
    private final UserMapper userMapper;
    public DepartmentServiceImpl(BaseMapper<Department> baseMapper, DepartmentMapper departmentMapper, UserDepartmentMapper userDepartmentMapper) {
    public DepartmentServiceImpl(BaseMapper<Department> baseMapper, DepartmentMapper departmentMapper, UserDepartmentMapper userDepartmentMapper, UserMapper userMapper) {
        super(baseMapper);
        this.departmentMapper = departmentMapper;
        this.userDepartmentMapper = userDepartmentMapper;
        this.userMapper = userMapper;
    }
    @Override
    public Integer add(String name) {
        Department department = new Department();
        department.setDeleted("0");
        department.setName(name);
        return departmentMapper.add(department);
    public Integer add(Department model) {
        model.setDeleted("0");
        return departmentMapper.add(model);
    }
    @Override
@@ -54,14 +55,52 @@
    @Override
    public Integer update(Department department) {
//        userDepartmentMapper.removeByDepartmentId(department.getId());
        return departmentMapper.update(department);
        Department entity = departmentMapper.getById(department.getId());
        if (Objects.isNull(entity)) {
            throw new RuntimeException("该部门不存在");
        }
        if (! CollectionUtils.isEmpty(department.getAdminId())) {
            List<BaseSelect> deptUserList = userDepartmentMapper.getDeptUserList(entity.getId());
            List<Integer> userIds = deptUserList.stream().map(BaseSelect::getId).collect(Collectors.toList());
            if (! CollectionUtils.isEmpty(userIds)) {
                // 先清除之前的管理员标识
                userMapper.clearDeptAdmin(userIds, entity.getId());
            }
            // 标识部门管理员
            userMapper.updateDeptAdmin(department.getAdminId(), DeptAdminEnum.YES.getValue(), entity.getId());
        }
        Integer update = departmentMapper.update(department);
        return update;
    }
    @Override
    public PageInfo<DepartmentResponseVM> gets(DepartmentResponseVM departmentResponseVM) {
        return PageHelper.startPage(departmentResponseVM.getPageIndex(), departmentResponseVM.getPageSize(), "id desc").doSelectPageInfo(() ->
                departmentMapper.page(departmentResponseVM)
        );
    public List<DepartmentResponseVM> gets(DepartmentResponseVM departmentResponseVM) {
        List<DepartmentResponseVM> deptList = departmentMapper.page(departmentResponseVM);
        return this.buildPageTree(deptList);
    }
    public List<DepartmentResponseVM> buildPageTree(List<DepartmentResponseVM> departments) {
        // 用于存储已经放入树的节点,以value为键
        Map<Integer, DepartmentResponseVM> map = new HashMap<>();
        List<DepartmentResponseVM> rootNodes = new ArrayList<>();
        // 第一步:将所有节点放入map中,并初始化children列表
        for (DepartmentResponseVM dept : departments) {
            map.put(dept.getId(), dept);
            dept.setChildren(new ArrayList<>());
        }
        // 第二步:构建树形结构
        for (DepartmentResponseVM dept : departments) {
            if (dept.getParentId() == null) {
                rootNodes.add(dept);
            } else {
                DepartmentResponseVM parent = map.get(dept.getParentId());
                if (parent != null) {
                    parent.getChildren().add(dept);
                }
            }
        }
        return rootNodes;
    }
    @Override
@@ -70,8 +109,8 @@
    }
    @Override
    public List<Department> gets() {
        return departmentMapper.gets();
    public List<Department> gets(List<Integer> deptId) {
        return TreeUtils.build(departmentMapper.gets(deptId));
    }
    @Override
@@ -90,12 +129,57 @@
    }
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void updateAdmin(UpdateDeptAdminVO form) {
        Department department = departmentMapper.getById(form.getId());
        if (Objects.isNull(department)) {
        Department entity = departmentMapper.getById(form.getId());
        if (Objects.isNull(entity)) {
            throw new RuntimeException("该部门不存在");
        }
        department.setAdminId(form.getDeptAdmin());
        departmentMapper.update(department);
        if (! CollectionUtils.isEmpty(form.getAdminIds())) {
            List<BaseSelect> deptUserList = userDepartmentMapper.getDeptUserList(entity.getId());
            List<Integer> userIds = deptUserList.stream().map(BaseSelect::getId).collect(Collectors.toList());
            if (! CollectionUtils.isEmpty(userIds)) {
                // 先清除之前的管理员标识
                userMapper.clearDeptAdmin(userIds, entity.getId());
            }
            // 标识部门管理员
            userMapper.updateDeptAdmin(form.getAdminIds(), DeptAdminEnum.YES.getValue(), entity.getId());
        }
        // 修改被选择的用户为部门管理员
        userMapper.updateUserDeptAdmin(form);
        // 修改没被选择的用户并且不是别的部门管理员的用户角色为1
        userMapper.cancelUserDeptAdmin(form);
    }
    @Override
    public List<CascaderDataVO> cascader() {
        List<CascaderDataVO> deptList = departmentMapper.list();
        List<CascaderDataVO> tree = this.buildTree(deptList);
        return tree;
    }
    public List<CascaderDataVO> buildTree(List<CascaderDataVO> departments) {
        // 用于存储已经放入树的节点,以value为键
        Map<Integer, CascaderDataVO> map = new HashMap<>();
        List<CascaderDataVO> rootNodes = new ArrayList<>();
        // 第一步:将所有节点放入map中,并初始化children列表
        for (CascaderDataVO dept : departments) {
            map.put(dept.getValue(), dept);
            dept.setChildren(new ArrayList<>());
        }
        // 第二步:构建树形结构
        for (CascaderDataVO dept : departments) {
            if (dept.getParentId() == null) { // 假设顶级部门的parentId为null或0
                rootNodes.add(dept);
            } else {
                CascaderDataVO parent = map.get(dept.getParentId());
                if (parent != null) {
                    parent.getChildren().add(dept);
                }
            }
        }
        return rootNodes;
    }
}