fix

server/product/internal/logic/homepagerecommendproductlistlogic.go

@@ -42,6 +42,7 @@ func (l *HomePageRecommendProductListLogic) HomePageRecommendProductList(req *ty
 		return resp.SetStatusWithMessage(basic.CodeServiceErr, "get user info err")
 	}
 	var (
+		merchantInfo                *gmodel.FsMerchantCategory
 		recommendProductList        []gmodel.FsProduct                       //产品列表（select 字段需要看查询的地方）
 		productOptionalPartList     []gmodel.GetGroupPartListByProductIdsRsp //产品配件列表
 		mapProductHaveOptionFitting = make(map[int64]struct{})
@@ -52,13 +53,34 @@ func (l *HomePageRecommendProductListLogic) HomePageRecommendProductList(req *ty
 		mapProductSizeCount         = make(map[int64]int64)              //产品尺寸数量map
 		mapProductTemplate          = make(map[int64]struct{})           //产品模板map
 	)
+	//选了商家类型
+	if req.MerchantType > 0 {
+		merchantInfo, err = l.svcCtx.AllModels.FsMerchantCategory.FindOne(l.ctx, req.MerchantType)
+	} else {
+		//随机获取一个商家类型
+		merchantInfo, err = l.svcCtx.AllModels.FsMerchantCategory.FindRandOne(l.ctx)
+	}
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "none of merchant type found")
+		}
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get merchant type info")
+	}
+	if *merchantInfo.RecommendProduct == "" {
+		return resp.SetStatusWithMessage(basic.CodeOK, "success", []interface{}{})
+	}
+	recommendProductIds, err := format.StrSlicToInt64Slice(strings.Split(*merchantInfo.RecommendProduct, ","))
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to parse recommend product")
+	}
 	//获取列表推荐产品
-	recommendProductList, _, err = l.svcCtx.AllModels.FsProductRecommend.GetRecommendProductList(gmodel.GetRecommendProductListReq{
-		Ctx:          l.ctx,
-		MerchantType: req.MerchantType,
-		Page:         1,
-		Limit:        500, //设置最大500
-	})
+	recommendProductList, err = l.svcCtx.AllModels.FsProduct.GetProductListByIds(l.ctx, recommendProductIds, "sort-desc")
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product list")
+	}
 	if len(recommendProductList) == 0 {
 		return resp.SetStatusWithMessage(basic.CodeOK, "success", []interface{}{})
 	}

server/product/internal/types/types.go

@@ -341,6 +341,7 @@ type GetSizeByPidRsp struct {
 
 type GetTemplateByPidReq struct {
 	Pid                  string `form:"pid"`
+	ProductSizeId        int64  `form:"product_size_id,optional"`
 	ProductTemplateTagId int64  `form:"product_template_tag_id"`
 }