商品模块代码提交
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Tankaikai
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package com.czg.service.product.service.impl;
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import cn.hutool.core.collection.CollUtil;
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import com.czg.enums.DeleteEnum;
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import com.czg.enums.StatusEnum;
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import com.czg.enums.YesNoEnum;
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import com.czg.product.dto.ProdSkuDTO;
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import com.czg.product.dto.ProductDTO;
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import com.czg.product.entity.ProdGroup;
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import com.czg.product.entity.ProdGroupRelation;
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import com.czg.product.entity.ProdSku;
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import com.czg.product.entity.Product;
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import com.czg.product.param.MiniHomeProductParam;
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import com.czg.product.service.UProductService;
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import com.czg.product.vo.MiniAppHomeProdGroupVo;
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import com.czg.product.vo.MiniAppHomeProductInfoVo;
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import com.czg.product.vo.MiniAppHomeProductVo;
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import com.czg.sa.StpKit;
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import com.czg.service.product.mapper.ProdGroupMapper;
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import com.czg.service.product.mapper.ProdGroupRelationMapper;
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import com.czg.service.product.mapper.ProdSkuMapper;
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import com.czg.service.product.mapper.ProductMapper;
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import com.mybatisflex.core.query.QueryWrapper;
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import com.mybatisflex.spring.service.impl.ServiceImpl;
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import lombok.AllArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import java.math.BigDecimal;
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import java.time.DayOfWeek;
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import java.time.LocalDate;
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import java.time.LocalTime;
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import java.time.format.TextStyle;
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import java.util.*;
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import java.util.stream.Collectors;
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import static com.czg.product.entity.table.ProductTableDef.PRODUCT;
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import static com.czg.product.entity.table.ShopProdCategoryTableDef.SHOP_PROD_CATEGORY;
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import static com.czg.product.entity.table.ShopProdSpecTableDef.SHOP_PROD_SPEC;
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import static com.czg.product.entity.table.ShopProdUnitTableDef.SHOP_PROD_UNIT;
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/**
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* 商品
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*
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* @author Tankaikai tankaikai@aliyun.com
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* @since 1.0 2025-02-16
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*/
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@Slf4j
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@AllArgsConstructor
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@Service
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public class UProductServiceImpl extends ServiceImpl<ProductMapper, Product> implements UProductService {
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private final ProductMapper productMapper;
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private final ProdSkuMapper prodSkuMapper;
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private final ProdGroupMapper prodGroupMapper;
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private final ProdGroupRelationMapper prodGroupRelationMapper;
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private QueryWrapper buildQueryWrapper(MiniHomeProductParam param) {
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Long shopId = StpKit.USER.getShopId(0L);
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String weekDayEnName = getWeekDayEnName();
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LocalTime now = LocalTime.now().withNano(0);
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QueryWrapper queryWrapper = query();
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queryWrapper.select(PRODUCT.ALL_COLUMNS)
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.select(SHOP_PROD_UNIT.NAME.as(ProductDTO::getUnitName))
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.select(SHOP_PROD_CATEGORY.NAME.as(ProductDTO::getCategoryName))
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.select(SHOP_PROD_SPEC.NAME.as(ProductDTO::getSpecName), SHOP_PROD_SPEC.FULL_NAME.as(ProductDTO::getSpecFullName))
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.from(PRODUCT)
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.leftJoin(SHOP_PROD_UNIT).on(SHOP_PROD_UNIT.ID.eq(PRODUCT.UNIT_ID))
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.leftJoin(SHOP_PROD_CATEGORY).on(SHOP_PROD_CATEGORY.ID.eq(PRODUCT.CATEGORY_ID))
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.leftJoin(SHOP_PROD_SPEC).on(SHOP_PROD_SPEC.ID.eq(PRODUCT.SPEC_ID))
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.where(PRODUCT.SHOP_ID.eq(shopId))
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.and(PRODUCT.DAYS.like(weekDayEnName))
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.and(PRODUCT.START_TIME.le(now))
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.and(PRODUCT.END_TIME.ge(now))
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.and(PRODUCT.IS_DEL.eq(DeleteEnum.NORMAL.value()))
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.and(PRODUCT.IS_SALE.eq(YesNoEnum.YES.value()))
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.orderBy(PRODUCT.SORT, false)
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.orderBy(PRODUCT.ID, false);
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if (CollUtil.isNotEmpty(param.getProductIdList())) {
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queryWrapper.and(PRODUCT.ID.in(param.getProductIdList()));
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}
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return queryWrapper;
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}
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private QueryWrapper buildHotsQueryWrapper(MiniHomeProductParam param) {
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// 查询在可售时间内的热门商品
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QueryWrapper queryWrapper = buildQueryWrapper(param);
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queryWrapper.and(PRODUCT.IS_HOT.eq(YesNoEnum.YES.value()));
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return queryWrapper;
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}
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private List<MiniAppHomeProductInfoVo> buildProductList(QueryWrapper queryWrapper) {
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List<ProductDTO> dtoList = productMapper.selectListByQueryAs(queryWrapper, ProductDTO.class);
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List<Long> prodIdList = dtoList.stream().map(ProductDTO::getId).distinct().toList();
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List<ProdSkuDTO> skuList = prodSkuMapper.selectListByQueryAs(query().in(ProdSku::getProductId, prodIdList), ProdSkuDTO.class);
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Map<Long, List<ProdSkuDTO>> collect = skuList.stream().collect(Collectors.groupingBy(ProdSkuDTO::getProductId));
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List<MiniAppHomeProductInfoVo> products = new ArrayList<>();
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for (ProductDTO dto : dtoList) {
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MiniAppHomeProductInfoVo prod = new MiniAppHomeProductInfoVo();
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prod.setId(dto.getId());
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prod.setName(dto.getName());
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prod.setCoverImg(dto.getCoverImg());
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prod.setImages(dto.getImages());
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prod.setUnitName(dto.getUnitName());
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prod.setCategoryName(dto.getCategoryName());
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prod.setType(dto.getType());
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prod.setGroupType(dto.getGroupType());
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prod.setSelectSpecInfo(dto.getSelectSpecInfo());
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List<ProdSkuDTO> list = collect.getOrDefault(dto.getId(), Collections.emptyList());
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Optional<BigDecimal> lowPriceIsPresent = list.stream().map(ProdSkuDTO::getSalePrice).min(BigDecimal::compareTo);
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lowPriceIsPresent.ifPresent(prod::setLowPrice);
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Optional<BigDecimal> lowMemberPriceIsPresent = list.stream().map(ProdSkuDTO::getMemberPrice).min(BigDecimal::compareTo);
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lowMemberPriceIsPresent.ifPresent(prod::setLowMemberPrice);
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prod.setSkuList(list);
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products.add(prod);
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}
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return products;
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}
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@Override
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public MiniAppHomeProductVo queryProductForMiniAppHome(MiniHomeProductParam param) {
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Long shopId = StpKit.USER.getShopId(0L);
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MiniAppHomeProductVo vo = new MiniAppHomeProductVo();
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List<MiniAppHomeProductInfoVo> hots = buildProductList(buildHotsQueryWrapper(param));
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vo.setHots(hots);
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// 查询可用商品分组，构建分组商品数据
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QueryWrapper queryWrapper = query()
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.eq(ProdGroup::getShopId, shopId)
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.eq(ProdGroup::getStatus, StatusEnum.ENABLED.value())
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.orderBy(ProdGroup::getSort, true);
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if (param.getProdGroupId() != null) {
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queryWrapper.eq(ProdGroup::getId, param.getProdGroupId());
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}
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List<MiniAppHomeProdGroupVo> groupList = prodGroupMapper.selectListByQueryAs(queryWrapper, MiniAppHomeProdGroupVo.class);
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for (MiniAppHomeProdGroupVo dto : groupList) {
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List<Long> productIdList = prodGroupRelationMapper.selectObjectListByQueryAs(query().select(ProdGroupRelation::getProductId).eq(ProdGroupRelation::getProdGroupId, dto.getId()).orderBy(ProdGroupRelation::getSort, true), Long.class);
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if (CollUtil.isNotEmpty(productIdList)) {
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param.setProductIdList(productIdList);
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List<MiniAppHomeProductInfoVo> products = buildProductList(buildQueryWrapper(param));
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dto.setProducts(products);
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} else {
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dto.setProducts(new ArrayList<>());
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}
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}
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vo.setProductInfo(groupList);
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return vo;
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}
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/**
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* 获取当前日期是星期几的英文名称
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*
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* @return 星期几的英文名称，例如 "Monday" 或 "Friday"
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*/
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private String getWeekDayEnName() {
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// 获取当前日期
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LocalDate currentDate = LocalDate.now();
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// 获取当前日期是星期几，返回一个 DayOfWeek 枚举类型的实例
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DayOfWeek dayOfWeek = currentDate.getDayOfWeek();
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return dayOfWeek.getDisplayName(TextStyle.FULL, Locale.ENGLISH);
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}
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}
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