package com.ruoyi.system.service.impl.config;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import com.ruoyi.common.core.exception.ServiceException;
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import com.ruoyi.system.api.constant.AppErrorConstant;
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import com.ruoyi.system.api.domain.dto.MgtClassNumDto;
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import com.ruoyi.system.api.domain.poji.config.SysClassification;
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import com.ruoyi.system.api.service.RemoteGoodsService;
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import com.ruoyi.system.domain.dto.MgtClassificationEditDto;
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import com.ruoyi.system.domain.dto.MgtClassificationPageDto;
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import com.ruoyi.system.domain.vo.AppClassListVo;
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import com.ruoyi.system.domain.vo.MgtClassificationPageVo;
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import com.ruoyi.system.mapper.config.SysClassificationMapper;
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import com.ruoyi.system.service.config.ArticleService;
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import com.ruoyi.system.service.config.SysClassificationService;
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import org.springframework.stereotype.Service;
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import javax.annotation.Resource;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* <p>
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* 分类 服务实现类
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* </p>
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*
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* @author jqs
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* @since 2023-04-25
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*/
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@Service
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public class SysClassificationServiceImpl extends ServiceImpl<SysClassificationMapper, SysClassification> implements SysClassificationService {
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@Resource
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private SysClassificationMapper sysClassificationMapper;
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@Resource
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private RemoteGoodsService remoteGoodsService;
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@Resource
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private ArticleService articleService;
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/**
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* @description: TODO
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* @author jqs34
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* @date 2023/6/4 11:59
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* @version 1.0
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*/
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@Override
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public Map<Long,SysClassification> getSysClassificationList(List<Long> classIds){
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Map<Long, SysClassification> sysClassificationMap = new HashMap<>();
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List<SysClassification> sysClassifications = this.listByIds(classIds);
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for (SysClassification sysClassification : sysClassifications) {
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sysClassificationMap.put(sysClassification.getClassId(), sysClassification);
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}
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return sysClassificationMap;
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}
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/**
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* @description 分页获取分类
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* @author jqs
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* @date 2023/6/8 10:11
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* @param page
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* @param mgtClassificationPageDto
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* @return List<MgtClassificationPageVo>
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*/
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@Override
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public List<MgtClassificationPageVo> pageClassification(Page page, MgtClassificationPageDto mgtClassificationPageDto){
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return sysClassificationMapper.pageClassification(page, mgtClassificationPageDto);
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}
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/**
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* @description 修改分类
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* @author jqs
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* @date 2023/6/8 10:23
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* @param mgtClassificationEditDto
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* @return void
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*/
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@Override
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public void editClassification(MgtClassificationEditDto mgtClassificationEditDto){
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// 查询未删除的同类名同分类类型的分类
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LambdaQueryWrapper<SysClassification> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(SysClassification::getDelFlag,0)
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.eq(SysClassification::getClassType,mgtClassificationEditDto.getClassType())
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.eq(SysClassification::getClassName,mgtClassificationEditDto.getClassName());
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SysClassification sysClassificationSame = this.getOne(queryWrapper);
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// 获取分类ID
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Long classId = mgtClassificationEditDto.getClassId();
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SysClassification sysClassification;
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// 如果分类ID不为空
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if(classId != null){
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// 如果存在同类名同分类类型的分类，但是分类ID不同，抛出异常
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if(sysClassificationSame != null && !Objects.equals(sysClassificationSame.getClassId(), classId)){
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throw new ServiceException(AppErrorConstant.CLASS_DOUBLE);
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}
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// 获取要修改的分类
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sysClassification = this.getById(classId);
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}else{ // 如果分类ID为空
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// 如果存在同类名同分类类型的分类，抛出异常
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if(sysClassificationSame!=null){
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throw new ServiceException(AppErrorConstant.CLASS_DOUBLE);
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}
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// 新建分类
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sysClassification = new SysClassification();
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sysClassification.setDelFlag(0);
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sysClassification.setRelationNum(0);
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}
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// 设置分类信息
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sysClassification.setClassType(mgtClassificationEditDto.getClassType());
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sysClassification.setClassName(mgtClassificationEditDto.getClassName());
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sysClassification.setClassSort(mgtClassificationEditDto.getClassSort());
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sysClassification.setCreateTime(new Date());
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// 保存或更新分类
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this.saveOrUpdate(sysClassification);
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}
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/**
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* @description 删除分类
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* @author jqs
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* @date 2023/6/8 10:28
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* @param classId
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* @return void
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*/
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@Override
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public void deleteClassification(Long classId){
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SysClassification sysClassification = this.getById(classId);
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sysClassification.setDelFlag(1);
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if(sysClassification.getClassType()==1){
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articleService.deleteArticleClass(classId);
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}else if(sysClassification.getClassType()==2){
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List<String> goodsNameList = remoteGoodsService.listGoodsNameByGoodsClass(classId).getData();
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if(goodsNameList!=null&&goodsNameList.size()>0){
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throw new ServiceException("无法删除,该分类下还有关联商品-"+goodsNameList.toString());
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}
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}
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this.saveOrUpdate(sysClassification);
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}
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/**
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* @description
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* @author jqs
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* @date 2023/7/13 11:21
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* @param
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* @return List<AppClassListVo>
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*/
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@Override
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public List<AppClassListVo> listByType(Integer classType){
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LambdaQueryWrapper<SysClassification> queryWrapper = new LambdaQueryWrapper<>();
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queryWrapper.eq(SysClassification::getDelFlag,0)
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.eq(SysClassification::getClassType,classType)
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.orderByDesc(SysClassification::getClassSort)
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.orderByDesc(SysClassification::getCreateTime);
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List<SysClassification> sysClassificationList = this.list(queryWrapper);
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List<AppClassListVo> classListVos = sysClassificationList.stream().map(sysClassification ->{
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AppClassListVo appClassListVo = new AppClassListVo();
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appClassListVo.setClassId(sysClassification.getClassId());
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appClassListVo.setClassName(sysClassification.getClassName());
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return appClassListVo;
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}).collect(Collectors.toList());
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return classListVos;
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}
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/**
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* @description 分类变化
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* @author jqs
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* @date 2023/7/20 14:32
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* @param mgtClassNumDto
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* @return void
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*/
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@Override
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public void changeClassNum(MgtClassNumDto mgtClassNumDto){
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if(mgtClassNumDto.getAddClassId()!=null){
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SysClassification addSysClassification = this.getById(mgtClassNumDto.getAddClassId());
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if(addSysClassification!=null){
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addSysClassification.setRelationNum(addSysClassification.getRelationNum()+1);
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this.saveOrUpdate(addSysClassification);
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}
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}
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if(mgtClassNumDto.getSubClassId()!=null){
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SysClassification subSysClassification = this.getById(mgtClassNumDto.getSubClassId());
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if(subSysClassification!=null){
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subSysClassification.setRelationNum(subSysClassification.getRelationNum()-1);
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this.saveOrUpdate(subSysClassification);
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}
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}
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}
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}
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