/*
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* Copyright (c) 2018-2999 广州市蓝海创新科技有限公司 All rights reserved.
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*
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* https://www.mall4j.com/
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*
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* 未经允许，不可做商业用途！
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*
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* 版权所有，侵权必究！
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*/
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package com.yami.shop.api.controller;
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import cn.hutool.core.collection.CollUtil;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.yami.shop.bean.app.dto.*;
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import com.yami.shop.bean.app.vo.ProductVO;
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import com.yami.shop.bean.enums.ProdStatusEnums;
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import com.yami.shop.bean.enums.ProdType;
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import com.yami.shop.bean.enums.ShopStatus;
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import com.yami.shop.bean.event.LoadProdActivistEvent;
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import com.yami.shop.bean.event.ProcessActivityProdPriceEvent;
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import com.yami.shop.bean.model.*;
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import com.yami.shop.bean.param.EsProductParam;
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import com.yami.shop.bean.param.ProductParam;
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import com.yami.shop.bean.vo.search.EsProductSearchVO;
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import com.yami.shop.bean.vo.search.ProductSearchVO;
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import com.yami.shop.common.config.Constant;
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import com.yami.shop.common.exception.YamiShopBindException;
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import com.yami.shop.common.i18n.I18nMessage;
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import com.yami.shop.common.response.ServerResponseEntity;
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import com.yami.shop.common.util.Json;
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import com.yami.shop.common.util.PageParam;
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import com.yami.shop.delivery.common.model.SameCity;
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import com.yami.shop.delivery.common.service.SameCityService;
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import com.yami.shop.search.common.param.EsPageParam;
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import com.yami.shop.search.common.service.SearchProductService;
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import com.yami.shop.search.common.vo.EsPageVO;
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import com.yami.shop.security.api.model.YamiUser;
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import com.yami.shop.security.api.util.SecurityUtils;
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import com.yami.shop.security.common.bo.UserInfoInTokenBO;
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import com.yami.shop.security.common.util.AuthUserContext;
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import com.yami.shop.service.*;
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import io.swagger.v3.oas.annotations.tags.Tag;
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import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.Parameters;
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import io.swagger.v3.oas.annotations.Operation;
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import ma.glasnost.orika.MapperFacade;
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import org.springdoc.api.annotations.ParameterObject;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.context.ApplicationContext;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* 登录情况下的商品推荐接口
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*
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* @author chiley
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* @date 2022/9/21 10:33
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*/
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@RestController
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@RequestMapping("/p/prod")
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@Tag(name = "商品推荐接口")
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public class ProdRecommendController {
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@Autowired
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private CategoryService categoryService;
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@Autowired
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private SearchProductService searchProductService;
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@Autowired
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private ProdBrowseLogService prodBrowseLogService;
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@GetMapping("/recommendList")
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@Operation(summary = "推荐商品列表" , description = "根据商品ID（prodId）获取商品信息")
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public ServerResponseEntity<EsPageVO<EsProductSearchVO>> recommendList(PageParam page,@ParameterObject ApiProdDto apiProdDto) {
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YamiUser user = SecurityUtils.getUser();
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EsProductParam esProductParam = new EsProductParam();
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if (Objects.isNull(apiProdDto.getProdType())) {
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esProductParam.setProdType(ProdType.PROD_TYPE_NORMAL.value());
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}
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Long primaryCategoryId;
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primaryCategoryId = prodBrowseLogService.recommendCategoryId(apiProdDto.getProdType(), user.getUserId());
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// 已登陆但还没有数据，或未登陆
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boolean subCategoryId = (!Objects.equals(apiProdDto.getProdType(), ProdType.PROD_TYPE_SCORE.value()) && Objects.isNull(primaryCategoryId)) && Objects.nonNull(apiProdDto.getCategoryId());
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if (subCategoryId) {
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List<Category> categoryList = categoryService.getCategoryAndParent(apiProdDto.getCategoryId());
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if (CollUtil.isNotEmpty(categoryList)) {
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primaryCategoryId = categoryList.get(0).getCategoryId();
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}
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}
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esProductParam.setPrimaryCategoryId(primaryCategoryId);
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//如果有商品id则过滤掉
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if (Objects.nonNull(apiProdDto.getProdId())) {
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List<Long> prodIds = new ArrayList<>();
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prodIds.add(apiProdDto.getProdId());
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esProductParam.setSpuIdsExclude(prodIds);
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}
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EsPageParam esPageParam = new EsPageParam();
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esPageParam.setCurrent((int) page.getCurrent());
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esPageParam.setSize((int) page.getSize());
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EsPageVO<EsProductSearchVO> productPage = searchProductService.page(esPageParam, esProductParam, Boolean.FALSE);
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List<ProductSearchVO> products = productPage.getRecords().get(0).getProducts();
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long current = page.getCurrent();
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long size = page.getSize();
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int spuNum = products.size();
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// 推荐商品的数量不足时，查询额外的商品进行填充
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if (Objects.equals(current, 1L) && size > spuNum) {
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esPageParam.setSize(Math.toIntExact(size - spuNum));
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esPageParam.setCurrent(1);
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// 查询该分类以外的商品
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esProductParam.setPrimaryCategoryId(null);
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esProductParam.setNotPrimaryCategoryId(primaryCategoryId);
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EsPageVO<EsProductSearchVO> subProductPage = searchProductService.page(esPageParam, esProductParam, Boolean.FALSE);
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for (EsProductSearchVO productSearchVO : subProductPage.getRecords()) {
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if (CollUtil.isNotEmpty(productSearchVO.getProducts())) {
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products.addAll(productSearchVO.getProducts());
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}
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}
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productPage.setTotal((long) products.size());
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productPage.setPages(productPage.getTotal() > 0 ? (int) page.getCurrent() : 0);
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}
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return ServerResponseEntity.success(productPage);
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}
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}
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