DepartmentDictServiceImpl.java
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package com.subsidy.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.subsidy.common.exception.HttpException;
import com.subsidy.dto.department.GetDepartmentsVO;
import com.subsidy.mapper.MemberDepartmentMappingMapper;
import com.subsidy.model.DepartmentDictDO;
import com.subsidy.mapper.DepartmentDictMapper;
import com.subsidy.model.MemberDepartmentMappingDO;
import com.subsidy.service.DepartmentDictService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.subsidy.util.ConstantUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.List;
/**
* <p>
* 部门字典表 服务实现类
* </p>
*
* @author DengMin
* @since 2021-10-11
*/
@Service
public class DepartmentDictServiceImpl extends ServiceImpl<DepartmentDictMapper, DepartmentDictDO> implements DepartmentDictService {
@Autowired
private MemberDepartmentMappingMapper memberDepartmentMappingMapper;
public List<GetDepartmentsVO> getDepartments(DepartmentDictDO departmentDictDO) {
//返回结果
List<GetDepartmentsVO> getDepartmentsVOS = new ArrayList<>();
List<DepartmentDictDO> parentNodes = this.baseMapper.selectList(new QueryWrapper<DepartmentDictDO>()
.lambda()
.isNull(DepartmentDictDO::getParentId)
.eq(DepartmentDictDO::getCompanyId, departmentDictDO.getCompanyId()));
for (DepartmentDictDO dd : parentNodes) {
GetDepartmentsVO getDepartmentsVO = new GetDepartmentsVO();
BeanUtils.copyProperties(dd,getDepartmentsVO);
Integer count = memberDepartmentMappingMapper.selectCount(new QueryWrapper<MemberDepartmentMappingDO>()
.lambda()
.eq(MemberDepartmentMappingDO::getDepartmentId,dd.getId()));
getDepartmentsVO.setCnt(count);
getDepartmentsVO.setChildren(getChildNodes(getDepartmentsVO));
DepartmentDictDO departmentDictDO1 = this.baseMapper.selectById(dd.getParentId());
if (null != departmentDictDO1){
getDepartmentsVO.setParentDepartmentName(departmentDictDO1.getDepartmentName());
}
getDepartmentsVOS.add(getDepartmentsVO);
}
return getDepartmentsVOS;
}
/**
* 递归部门列表 不包含老师信息和人数信息
*
* @param departmentDictDO
* @return
*/
public List<GetDepartmentsVO> getChildNodes(GetDepartmentsVO departmentDictDO) {
List<GetDepartmentsVO> getDepartmentsVOS = new ArrayList<>();
List<DepartmentDictDO> departmentDictDOS = this.baseMapper.selectList(new QueryWrapper<DepartmentDictDO>()
.lambda()
.eq(DepartmentDictDO::getParentId, departmentDictDO.getId()));
for (DepartmentDictDO departmentDictDO1 : departmentDictDOS) {
GetDepartmentsVO getDepartmentsVO = new GetDepartmentsVO();
BeanUtils.copyProperties(departmentDictDO1,getDepartmentsVO);
getDepartmentsVO.setChildren(getChildNodes(getDepartmentsVO));
Integer count = memberDepartmentMappingMapper.selectCount(new QueryWrapper<MemberDepartmentMappingDO>()
.lambda()
.eq(MemberDepartmentMappingDO::getDepartmentId,getDepartmentsVO.getId()));
getDepartmentsVO.setCnt(count);
DepartmentDictDO departmentDictDO2 = this.baseMapper.selectById(departmentDictDO1.getParentId());
if (null != departmentDictDO2){
getDepartmentsVO.setParentDepartmentName(departmentDictDO2.getDepartmentName());
}
getDepartmentsVOS.add(getDepartmentsVO);
}
if (getDepartmentsVOS.size() == 0) {
return null;
}
return getDepartmentsVOS;
}
public String addDepartment(DepartmentDictDO departmentDictDO) {
Integer counter = this.baseMapper.selectCount(new QueryWrapper<DepartmentDictDO>()
.lambda()
.eq(DepartmentDictDO::getCompanyId, departmentDictDO.getCompanyId())
.eq(DepartmentDictDO::getDepartmentName, departmentDictDO.getDepartmentName()));
if (counter > 0) {
throw new HttpException(30001);
}
this.baseMapper.insert(departmentDictDO);
return ConstantUtils.ADD_SUCCESS;
}
public String deleteDepartment(DepartmentDictDO departmentDictDO) {
this.baseMapper.deleteById(departmentDictDO.getId());
List<DepartmentDictDO> departmentDictDOS = this.baseMapper.selectList(new QueryWrapper<DepartmentDictDO>()
.lambda()
.eq(DepartmentDictDO::getParentId, departmentDictDO.getId())
);
for (DepartmentDictDO departmentDictDO1:departmentDictDOS){
deleteChildNode(departmentDictDO1);
}
return ConstantUtils.DELETE_SUCCESS;
}
void deleteChildNode(DepartmentDictDO departmentDictDO) {
List<DepartmentDictDO> departmentDictDOS = this.baseMapper.selectList(new QueryWrapper<DepartmentDictDO>()
.lambda()
.eq(DepartmentDictDO::getParentId, departmentDictDO.getId()));
for (DepartmentDictDO departmentDictDO1 : departmentDictDOS) {
deleteChildNode(departmentDictDO1);
}
this.baseMapper.deleteById(departmentDictDO.getId());
}
public String updateDepartment(DepartmentDictDO departmentDictDO) {
Integer counter = this.baseMapper.selectCount(new QueryWrapper<DepartmentDictDO>()
.lambda()
.eq(DepartmentDictDO::getCompanyId, departmentDictDO.getCompanyId())
.eq(DepartmentDictDO::getDepartmentName, departmentDictDO.getDepartmentName())
.ne(DepartmentDictDO::getId, departmentDictDO.getId()));
if (counter > 0) {
throw new HttpException(30001);
}
this.baseMapper.updateById(departmentDictDO);
return ConstantUtils.SET_SUCCESS;
}
}