package com.yuanchu.mom.service.impl;
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import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
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import com.baomidou.mybatisplus.core.toolkit.Wrappers;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.yuanchu.mom.dto.DepartmentDto;
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import com.yuanchu.mom.mapper.DepartmentMapper;
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import com.yuanchu.mom.pojo.Department;
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import com.yuanchu.mom.service.DepartmentService;
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import lombok.AllArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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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.List;
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import java.util.Objects;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 部门明细 服务实现类
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* </p>
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*
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* @author 江苏鵷雏网络科技有限公司
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* @since 2024-04-15 04:01:48
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*/
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@Service
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@AllArgsConstructor
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@Transactional(rollbackFor = Exception.class)
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@Slf4j
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public class DepartmentServiceImpl extends ServiceImpl<DepartmentMapper, Department> implements DepartmentService {
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DepartmentMapper departmentMapper;
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//添加部门
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@Override
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public int addDepartment(Department department) {
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departmentMapper.insert(department);
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return department.getId();
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}
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//获取部门树
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@Override
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public List<DepartmentDto> selectDepartment() {
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List<DepartmentDto> departments = departmentMapper.selectDepartment();
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departments.addAll(departmentMapper.selectCustomList());
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//获取父节点
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List<DepartmentDto> collect = departments.stream().filter(m -> m.getFatherId() == null).peek(
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(m) -> m.setChildren(getChildren(m, departments))
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).collect(Collectors.toList());
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return collect;
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}
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/**
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* 递归查询子节点
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* @param root 根节点
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* @param all 所有节点
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* @return 根节点信息
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*/
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private List<DepartmentDto> getChildren(DepartmentDto root, List<DepartmentDto> all) {
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return all.stream().filter(m -> Objects.equals(m.getFatherId(), root.getId())).peek(
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(m) -> m.setChildren(getChildren(m, all))
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).collect(Collectors.toList());
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}
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//删除部门
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@Override
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public boolean delDepartment(Integer id) {
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//判断是否有子类,直到没有为止
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List<Department> department = getDepartment(id);
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return removeBatchByIds(department);
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}
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//判断是否有子类,直到没有为止
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public List<Department> getDepartment(Integer id) {
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List<Department> list = new ArrayList<>();
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Department depart = baseMapper.selectById(id);
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list.add(depart);
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List<Department> departments = baseMapper.selectList(Wrappers.<Department>lambdaQuery().eq(Department::getFatherId, id));
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if (ObjectUtils.isNotEmpty(departments)) {
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list.addAll(departments);
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for (Department department : departments) {
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list.addAll(getDepartment(department.getId()));
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}
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}
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return list;
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}
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@Override
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public List<Department> selectDepartmentEnum() {
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return departmentMapper.selectList(Wrappers.<Department>lambdaQuery().isNotNull(Department::getFatherId).select(Department::getId,Department::getName));
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}
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}
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