第190天学习打卡（项目 谷粒商城 32 销售属性维护 查询分组关联属性和删除关联）

Posted 2021-08-15 doudoutj

销售属性维护

package com.doudou.gulimall.product.controller;

import java.util.Arrays;
import java.util.Map;

//import org.apache.shiro.authz.annotation.RequiresPermissions;
import com.doudou.gulimall.product.vo.AttrRespVo;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.R;



/**
 * 商品属性
 *
 * @author doudoutj111
 *
 * @date 2021-06-19 19:40:53
 */
@RestController
@RequestMapping("product/attr")
public class AttrController {
    @Autowired
    private AttrService attrService;
    //product/attr/sale/list/0?
    //分页查询
    //product/attr/base/list/{catelogId}
    @GetMapping("/{attrType}/list/{catelogId}")
    public R baseAttrList(@RequestParam Map<String, Object> params,
                          @PathVariable("catelogId") Long catelogId,
                          @PathVariable("attrType")String type){
        PageUtils page = attrService.queryBaseAttrPage(params,catelogId,type);
        return R.ok().put("page", page);
    }

    /**
     * 列表
     */
    @RequestMapping("/list")
    //@RequiresPermissions("product:attr:list")
    public R list(@RequestParam Map<String, Object> params){
        PageUtils page = attrService.queryPage(params);

        return R.ok().put("page", page);
    }


    /**
     * 信息
     */
    @RequestMapping("/info/{attrId}")
    // @RequiresPermissions("product:attr:info")
    public R info(@PathVariable("attrId") Long attrId){
       // AttrEntity attr = attrService.getById(attrId);
        AttrRespVo respVo = attrService.getAttrInfo(attrId);

        return R.ok().put("attr", respVo);
    }

    /**
     * 保存
     */
    @RequestMapping("/save")
    //  @RequiresPermissions("product:attr:save")
    public R save(@RequestBody AttrVo attr){
        attrService.saveAttr(attr);

        return R.ok();
    }

    /**
     * 修改
     */
    @RequestMapping("/update")
    //  @RequiresPermissions("product:attr:update")
    public R update(@RequestBody AttrVo attr){
        attrService.updateAttr(attr);

        return R.ok();
    }

    /**
     * 删除
     */
    @RequestMapping("/delete")
    //   @RequiresPermissions("product:attr:delete")
    public R delete(@RequestBody Long[] attrIds){
        attrService.removeByIds(Arrays.asList(attrIds));

        return R.ok();
    }

}

gulimall.product.service.impl

AttrServiceImpl.java

package com.doudou.gulimall.product.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.doudou.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.doudou.gulimall.product.dao.AttrGroupDao;
import com.doudou.gulimall.product.dao.CategoryDao;
import com.doudou.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.doudou.gulimall.product.entity.AttrGroupEntity;
import com.doudou.gulimall.product.entity.CategoryEntity;
import com.doudou.gulimall.product.service.CategoryService;
import com.doudou.gulimall.product.vo.AttrRespVo;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.Query;

import com.doudou.gulimall.product.dao.AttrDao;
import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {
    @Autowired
    AttrAttrgroupRelationDao relationDao;
    @Autowired
    AttrGroupDao attrGroupDao;
    @Autowired
    CategoryDao categoryDao;
    @Autowired
    CategoryService categoryService;


    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }
    @Transactional //事务
    @Override
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();

        BeanUtils.copyProperties(attr,attrEntity);//复制属性
        //1.保存基本数据
        this.save(attrEntity);
        //2.保存关联关系
        AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
        relationEntity.setAttrGroupId(attr.getAttrGroupId());
        relationEntity.setAttrId(attrEntity.getAttrId());
        relationDao.insert(relationEntity);

    }

    @Override
    public PageUtils queryBaseAttrPage(Map<String, Object> params, Long catelogId, String type) {
        QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>().eq("attr_type","base".equalsIgnoreCase(type)?1:0);
        if (catelogId != 0){
            queryWrapper.eq("catelog_id",catelogId);
        }
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)){
            //attr_id attr_name
            queryWrapper.and((wrapper)->{
                wrapper.eq("attr_id",key).or().like("attr_name",key);
            });
        }
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                queryWrapper
        );

        PageUtils pageUtils = new PageUtils(page);
        List<AttrEntity> records = page.getRecords();
        List<AttrRespVo> respVos = records.stream().map((attrEntity) -> {
            AttrRespVo attrRespVo = new AttrRespVo();
            BeanUtils.copyProperties(attrEntity, attrRespVo);

            //1.设置分类和分组的名字
            if ("base".equalsIgnoreCase(type)){
                AttrAttrgroupRelationEntity attrId = relationDao.selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>()
                        .eq("attr_id", attrEntity.getAttrId()));

                if (attrId != null && attrId.getAttrGroupId()!=null) {
                    AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrId.getAttrGroupId());
                    attrRespVo.setGroupName(attrGroupEntity.getAttrGroupName());

                }

            }

            CategoryEntity categoryEntity = categoryDao.selectById(attrEntity.getCatelogId());
            if (categoryEntity != null) {
                attrRespVo.setCatelogName(categoryEntity.getName());
            }


            return attrRespVo;
        }).collect(Collectors.toList());//收集成集合
        pageUtils.setList(respVos);

        return pageUtils;

    }

    @Override
    public AttrRespVo getAttrInfo(Long attrId) {
        AttrRespVo respVo = new AttrRespVo();
        AttrEntity attrEntity = this.getById(attrId);
        BeanUtils.copyProperties(attrEntity,respVo);
        //1.设置分组信息
        AttrAttrgroupRelationEntity attrgroupRelation = relationDao.selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>()
                .eq("attr_id", attrId));
        if(attrgroupRelation != null){
            respVo.setAttrGroupId(attrgroupRelation.getAttrGroupId());
            AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrgroupRelation.getAttrGroupId());
            if (attrGroupEntity != null){
                respVo.setGroupName(attrGroupEntity.getAttrGroupName());
            }
        }
        //2.设置分类信息
        Long catelogId = attrEntity.getCatelogId();
        Long[] catelogPath = categoryService.findCatelogPath(catelogId);//查找分类的完整路径
        respVo.setCatelogPath(catelogPath);
        CategoryEntity categoryEntity = categoryDao.selectById(catelogId);
        if (categoryEntity != null){
            respVo.setCatelogName(categoryEntity.getName());
        }


        return respVo;
    }
    @Transactional
    @Override
    public void updateAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();
        BeanUtils.copyProperties(attr,attrEntity);
        this.updateById(attrEntity);

        //1.修改分组关联
        AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
        relationEntity.setAttrGroupId(attr.getAttrGroupId());
        relationEntity.setAttrId(attr.getAttrId());

        Integer count = relationDao.selectCount(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attr.getAttrId()));
        if (count >0){

            relationDao.update(relationEntity, new UpdateWrapper<AttrAttrgroupRelationEntity>().eq("attr_id",attr.getAttrId()));

        }
        else{
            relationDao.insert(relationEntity);

        }


    }

}

关联关系的判断 是否保存分组关系

销售属性就不用做分组判断了

product.service.impl

AttrServiceImpl.java

package com.doudou.gulimall.product.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.doudou.gulimall.product.dao.AttrAttrgroupRelationDao;
import com.doudou.gulimall.product.dao.AttrGroupDao;
import com.doudou.gulimall.product.dao.CategoryDao;
import com.doudou.gulimall.product.entity.AttrAttrgroupRelationEntity;
import com.doudou.gulimall.product.entity.AttrGroupEntity;
import com.doudou.gulimall.product.entity.CategoryEntity;
import com.doudou.gulimall.product.service.CategoryService;
import com.doudou.gulimall.product.vo.AttrRespVo;
import com.doudou.gulimall.product.vo.AttrVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

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