第191天学习打卡（项目 谷粒商城33 查询分组未关联的属性）

Posted 2021-08-15 doudoutj

查询分组未关联的属性

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

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.doudou.common.constant.ProductConstant;
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.AttrGroupRelationVo;
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.Arrays;
import java.util.Collection;
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
        if (attr.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()){
            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)?ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode():ProductConstant.AttrEnum.ATTR_TYPE_SALE.getCode());
        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);


        if (attrEntity.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()){
            //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);

        if (attrEntity.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()){
            //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);

            }
        }




    }

    /**
     * 根据分组id查找关联的所有基本属性
     * @param attrgroupId
     * @return
     */
    @Override
    public List<AttrEntity> getRelationAttr(Long attrgroupId) {
        List<AttrAttrgroupRelationEntity> entities = relationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>()
                .eq("attr_group_id", attrgroupId));
        List<Long> attrIds = entities.stream().map((attr) -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());
        if(attrIds == null || attrIds.size() == 0){
            return null;
        }

        Collection<AttrEntity> attrEntities = this.listByIds(attrIds);

        return (List<AttrEntity>) attrEntities;
    }

    @Override
    public void deleteRelation(AttrGroupRelationVo[] vos) {
        //relationDao.delete(new QueryWrapper<>().eq("attr_id",1L).eq("attr_group_id",1l))
        List<AttrAttrgroupRelationEntity> entities = Arrays.asList(vos).stream().map((item) -> {
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            BeanUtils.copyProperties(item, relationEntity);
            return relationEntity;
        }).collect(Collectors.toList());
        relationDao.deleteBatchRelation(entities);

    }

}

product.controller

AttrGroupController.java

package com.doudou.gulimall.product.controller;

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

//import org.apache.shiro.authz.annotation.RequiresPermissions;
import com.doudou.gulimall.product.entity.AttrEntity;
import com.doudou.gulimall.product.service.AttrService;
import com.doudou.gulimall.product.service.CategoryService;
import com.doudou.gulimall.product.vo.AttrGroupRelationVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import com.doudou.gulimall.product.entity.AttrGroupEntity;
import com.doudou.gulimall.product.service.AttrGroupService;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.R;



/**
 * 属性分组
 *
 * @author doudoutj111
 *
 * @date 2021-06-19 19:40:52
 */
@RestController
@RequestMapping("product/attrgroup")
public class AttrGroupController {
    @Autowired
    private AttrGroupService attrGroupService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    AttrService attrService;
    //查询分组关联的属性
    //product/attrgroup/{attrgroupId}/attr/relation
    @GetMapping("/{attrgroupId}/attr/relation")
    public R attrRelation(@PathVariable("attrgroupId") Long attrgroupId){
        List<AttrEntity> entities = attrService.getRelationAttr(attrgroupId);
        return R.ok().put("data",entities);


    }
    // 查询分组没有关联的属性
    //product/attrgroup/{attrgroupId}/noattr/relation
    @GetMapping("/{attrgroupId}/noattr/relation")
    public R attrNoRelation(@PathVariable("attrgroupId") Long attrgroupId第192天学习打卡（项目 谷粒商城 34 新增分组和属性关联）

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