package cn.iocoder.yudao.module.mdm.service.category;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.mdm.controller.admin.category.vo.MdmItemCategoryPageReqVO;
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import cn.iocoder.yudao.module.mdm.controller.admin.category.vo.MdmItemCategorySaveReqVO;
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import cn.iocoder.yudao.module.mdm.dal.dataobject.category.MdmItemCategoryDO;
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import cn.iocoder.yudao.module.mdm.dal.mysql.category.MdmItemCategoryMapper;
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import cn.iocoder.yudao.module.mdm.dal.mysql.item.MdmItemMapper;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import org.springframework.validation.annotation.Validated;
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import java.util.*;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.module.mdm.enums.ErrorCodeConstants.*;
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/**
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* MDM 物料分类 Service 实现类
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*
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* @author 芋道源码
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*/
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@Service
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@Validated
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public class MdmItemCategoryServiceImpl implements MdmItemCategoryService {
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@Resource
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private MdmItemCategoryMapper itemCategoryMapper;
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@Resource
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private MdmItemMapper itemMapper;
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@Override
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public Long createItemCategory(MdmItemCategorySaveReqVO createReqVO) {
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// 校验数据
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validateItemCategorySaveData(createReqVO);
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// 插入
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MdmItemCategoryDO itemCategory = BeanUtils.toBean(createReqVO, MdmItemCategoryDO.class);
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itemCategoryMapper.insert(itemCategory);
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return itemCategory.getId();
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}
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@Override
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public void updateItemCategory(MdmItemCategorySaveReqVO updateReqVO) {
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// 校验存在
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validateItemCategoryExists(updateReqVO.getId());
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// 校验数据
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validateItemCategorySaveData(updateReqVO);
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// 更新
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MdmItemCategoryDO updateObj = BeanUtils.toBean(updateReqVO, MdmItemCategoryDO.class);
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itemCategoryMapper.updateById(updateObj);
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}
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@Override
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public void updateItemCategoryStatus(Long id, Integer status) {
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// 校验存在
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validateItemCategoryExists(id);
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// 更新状态
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itemCategoryMapper.updateById(new MdmItemCategoryDO().setId(id).setStatus(status));
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}
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@Override
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public void deleteItemCategory(Long id) {
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// 校验存在
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validateItemCategoryExists(id);
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// 校验是否有子分类
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if (itemCategoryMapper.selectCountByParentId(id) > 0) {
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throw exception(MDM_ITEM_CATEGORY_EXISTS_CHILDREN);
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}
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// 校验分类下是否有物料（直接使用 Mapper 避免循环依赖）
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if (itemMapper.selectCountByCategoryId(id) > 0) {
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throw exception(MDM_ITEM_CATEGORY_EXISTS_ITEM);
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}
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// 删除
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itemCategoryMapper.deleteById(id);
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}
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@Override
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public MdmItemCategoryDO validateItemCategoryExists(Long id) {
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MdmItemCategoryDO itemCategory = itemCategoryMapper.selectById(id);
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if (itemCategory == null) {
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throw exception(MDM_ITEM_CATEGORY_NOT_EXISTS);
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}
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return itemCategory;
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}
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private void validateItemCategorySaveData(MdmItemCategorySaveReqVO reqVO) {
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// 校验编码唯一
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MdmItemCategoryDO category = itemCategoryMapper.selectByCode(reqVO.getCode());
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if (category != null && ObjUtil.notEqual(category.getId(), reqVO.getId())) {
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throw exception(MDM_ITEM_CATEGORY_CODE_DUPLICATE);
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}
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// 校验同一父级下名称唯一
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MdmItemCategoryDO sameName = itemCategoryMapper.selectByParentIdAndName(
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reqVO.getParentId() != null ? reqVO.getParentId() : 0L, reqVO.getName());
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if (sameName != null && ObjUtil.notEqual(sameName.getId(), reqVO.getId())) {
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throw exception(MDM_ITEM_CATEGORY_NAME_DUPLICATE);
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}
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// 校验父分类存在
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if (reqVO.getParentId() != null && reqVO.getParentId() > 0) {
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if (itemCategoryMapper.selectById(reqVO.getParentId()) == null) {
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throw exception(MDM_ITEM_CATEGORY_PARENT_NOT_EXISTS);
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}
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}
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}
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@Override
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public MdmItemCategoryDO getItemCategory(Long id) {
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return itemCategoryMapper.selectById(id);
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}
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@Override
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public PageResult<MdmItemCategoryDO> getItemCategoryPage(MdmItemCategoryPageReqVO pageReqVO) {
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return itemCategoryMapper.selectPage(pageReqVO);
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}
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@Override
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public List<MdmItemCategoryDO> getItemCategoryList(Collection<Long> ids) {
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if (CollUtil.isEmpty(ids)) {
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return Collections.emptyList();
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}
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return itemCategoryMapper.selectBatchIds(ids);
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}
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@Override
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public List<MdmItemCategoryDO> getItemCategoryChildrenList(Long id) {
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List<MdmItemCategoryDO> result = new ArrayList<>();
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// 添加自己
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MdmItemCategoryDO self = itemCategoryMapper.selectById(id);
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if (self != null) {
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result.add(self);
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}
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// 递归获取所有子分类
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loadChildren(id, result);
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return result;
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}
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private void loadChildren(Long parentId, List<MdmItemCategoryDO> result) {
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List<MdmItemCategoryDO> children = itemCategoryMapper.selectListByParentId(parentId);
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if (CollUtil.isNotEmpty(children)) {
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result.addAll(children);
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for (MdmItemCategoryDO child : children) {
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loadChildren(child.getId(), result);
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}
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}
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}
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}
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