package com.ruoyi.production.service.impl;
|
|
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
|
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
|
import com.ruoyi.production.dto.ProductStructureDto;
|
import com.ruoyi.production.mapper.ProductStructureMapper;
|
import com.ruoyi.production.pojo.ProductStructure;
|
import com.ruoyi.production.service.ProductStructureService;
|
import lombok.extern.slf4j.Slf4j;
|
import org.springframework.beans.BeanUtils;
|
import org.springframework.beans.factory.annotation.Autowired;
|
import org.springframework.stereotype.Service;
|
import org.springframework.transaction.annotation.Transactional;
|
|
import java.util.*;
|
import java.util.stream.Collectors;
|
|
@Slf4j
|
@Service
|
public class ProductStructureServiceImpl extends ServiceImpl<ProductStructureMapper, ProductStructure> implements ProductStructureService {
|
|
@Autowired
|
private ProductStructureMapper productStructureMapper;
|
|
|
@Override
|
@Transactional
|
public Boolean addProductStructureDto(ProductStructureDto dto) {
|
|
Long bomId = dto.getBomId();
|
|
// 将树扁平化
|
List<ProductStructureDto> flatDtoList = new ArrayList<>();
|
flattenTree(dto.getChildren(), flatDtoList);
|
|
// 查询数据库中已有的 BOM 数据
|
List<ProductStructure> dbList = this.list(new LambdaQueryWrapper<ProductStructure>().eq(ProductStructure::getBomId, bomId));
|
|
// 查找已存在的节点 - ID
|
Set<Long> frontendIds = flatDtoList.stream()
|
.map(ProductStructureDto::getId)
|
.filter(Objects::nonNull)
|
.collect(Collectors.toSet());
|
|
// 需要删除的节点 - ID
|
Set<Long> deleteIds = dbList.stream()
|
.map(ProductStructure::getId)
|
.filter(id -> !frontendIds.contains(id))
|
.collect(Collectors.toSet());
|
|
if (!deleteIds.isEmpty()) {
|
this.removeByIds(deleteIds);
|
}
|
|
// 新增 / 更新
|
List<ProductStructure> insertList = new ArrayList<>();
|
List<ProductStructure> updateList = new ArrayList<>();
|
|
// 用于回写 parentId
|
Map<String, ProductStructure> tempEntityMap = new HashMap<>();
|
|
for (ProductStructureDto psDto : flatDtoList) {
|
ProductStructure entity = new ProductStructure();
|
BeanUtils.copyProperties(psDto, entity);
|
entity.setBomId(bomId);
|
|
if (psDto.getId() == null) {
|
// 新增
|
entity.setId(null);
|
entity.setParentId(null);
|
insertList.add(entity);
|
tempEntityMap.put(psDto.getTempId(), entity);
|
} else {
|
// 更新
|
updateList.add(entity);
|
}
|
}
|
|
// 插入新节点
|
if (!insertList.isEmpty()) {
|
this.saveBatch(insertList);
|
}
|
|
// 回写新增节点 parentId
|
List<ProductStructure> parentFixList = new ArrayList<>();
|
// 真实的父节点 ID
|
Long realParentId;
|
for (ProductStructureDto psDto : flatDtoList) {
|
if (psDto.getId() == null && psDto.getParentTempId() != null) {
|
ProductStructure child = tempEntityMap.get(psDto.getTempId());
|
if (tempEntityMap.containsKey(psDto.getParentTempId())) {
|
// 父节点是新节点
|
realParentId = tempEntityMap.get(psDto.getParentTempId()).getId();
|
} else {
|
// 父节点是老节点
|
realParentId = Long.valueOf(psDto.getParentTempId());
|
}
|
|
child.setParentId(realParentId);
|
parentFixList.add(child);
|
}
|
}
|
|
if (!parentFixList.isEmpty()) {
|
this.updateBatchById(parentFixList);
|
}
|
|
if (!updateList.isEmpty()) {
|
this.updateBatchById(updateList);
|
}
|
|
return true;
|
}
|
|
/**
|
* 将前端传入的树进行扁平化
|
*
|
* @param source 数据树
|
* @param result 扁平化数据
|
*/
|
private void flattenTree(List<ProductStructureDto> source, List<ProductStructureDto> result) {
|
if (source == null) {
|
return;
|
}
|
for (ProductStructureDto node : source) {
|
result.add(node);
|
flattenTree(node.getChildren(), result);
|
}
|
}
|
|
|
@Override
|
public List<ProductStructureDto> listBybomId(Long bomId) {
|
List<ProductStructureDto> list = productStructureMapper.listBybomId(bomId);
|
|
Map<Long, ProductStructureDto> map = new HashMap<>();
|
for (ProductStructureDto node : list) {
|
node.setChildren(new ArrayList<>());
|
map.put(node.getId(), node);
|
}
|
|
List<ProductStructureDto> tree = new ArrayList<>();
|
for (ProductStructureDto node : list) {
|
Long parentId = node.getParentId();
|
if (parentId == null || parentId == 0) {
|
tree.add(node);
|
} else {
|
ProductStructureDto parent = map.get(parentId);
|
if (parent != null) {
|
parent.getChildren().add(node);
|
}
|
}
|
}
|
return tree;
|
}
|
|
}
|
