fix

server/shopping-cart-confirmation/internal/logic/cartaddlogic.go

@@ -0,0 +1,126 @@
+package logic
+
+import (
+	"fusenapi/model/gmodel"
+	"fusenapi/utils/auth"
+	"fusenapi/utils/basic"
+	"strings"
+	"time"
+
+	"context"
+
+	"fusenapi/server/shopping-cart-confirmation/internal/svc"
+	"fusenapi/server/shopping-cart-confirmation/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type CartAddLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewCartAddLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CartAddLogic {
+	return &CartAddLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+// 添加入购物车
+func (l *CartAddLogic) CartAdd(req *types.CartAddReq, userinfo *auth.UserInfo) (resp *basic.Response) {
+	if req.BuyNum == 0 {
+		return resp.SetStatusWithMessage(basic.CodeApiErr, "param buy_num can`t be 0")
+	}
+	if req.IsCheck != 0 && req.IsCheck != 1 {
+		return resp.SetStatusWithMessage(basic.CodeApiErr, "param is_check should be 0 or 1")
+	}
+	req.DesignId = strings.Trim(req.DesignId, " ")
+	if req.DesignId == "" {
+		return resp.SetStatusWithMessage(basic.CodeApiErr, "param design_id can`t be empty")
+	}
+	//查询是否有此设计
+	productDesignModel := gmodel.NewFsProductDesignModel(l.svcCtx.MysqlConn)
+	productDesignInfo, err := productDesignModel.FindOneBySn(l.ctx, req.DesignId)
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to get product design info")
+	}
+	if productDesignInfo.Id == 0 {
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "product design info is not exists")
+	}
+	//查找是否有此材质、产品、大小id的阶梯价格
+	productPriceModel := gmodel.NewFsProductPriceModel(l.svcCtx.MysqlConn)
+	priceStatus := int64(1)
+	priceReq := gmodel.FindOneProductPriceByParamsReq{
+		ProductId:  productDesignInfo.ProductId,
+		MaterialId: productDesignInfo.MaterialId,
+		SizeId:     productDesignInfo.SizeId,
+		Status:     &priceStatus,
+	}
+	productPriceInfo, err := productPriceModel.FindOneProductPriceByParams(l.ctx, priceReq)
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to get product price info")
+	}
+	if productPriceInfo.Id == 0 {
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, " product price info is not exists")
+	}
+	if *productPriceInfo.EachBoxNum == 0 {
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, " product price info err: each box num can`t be zero")
+	}
+	//买的数量和每箱数量取余为0 且 份数大于等于最小购买数量才算满足条件
+	if (int64(req.BuyNum) % *productPriceInfo.EachBoxNum) != 0 {
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "invalid buy number,please check")
+	}
+	if int64(float64(req.BuyNum)/float64(*productPriceInfo.EachBoxNum)) < *productPriceInfo.MinBuyNum {
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "invalid buy number,please check!")
+	}
+	//查询购物车
+	cartModel := gmodel.NewFsCartModel(l.svcCtx.MysqlConn)
+	cartStatus := int64(1)
+	cartReq := gmodel.FindOneCartByParamsReq{
+		UserId:     &userinfo.UserId,
+		ProductId:  productDesignInfo.ProductId,
+		TemplateId: productDesignInfo.TemplateId,
+		PriceId:    &productPriceInfo.Id,
+		DesignId:   &productDesignInfo.Id,
+		MaterialId: productDesignInfo.MaterialId,
+		Status:     &cartStatus,
+	}
+	cartInfo, err := cartModel.FindOneCartByParams(l.ctx, cartReq)
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to get cart info")
+	}
+	now := time.Now().Unix()
+	nowTime := time.Now()
+	data := gmodel.FsCart{
+		UserId:     &userinfo.UserId,
+		ProductId:  productPriceInfo.ProductId,
+		TemplateId: productDesignInfo.TemplateId,
+		PriceId:    &productPriceInfo.Id,
+		MaterialId: productDesignInfo.MaterialId,
+		SizeId:     productDesignInfo.SizeId,
+		BuyNum:     &req.BuyNum,
+		Cover:      productDesignInfo.Cover,
+		DesignId:   &productDesignInfo.Id,
+		Ctime:      &now,
+		Status:     &cartStatus,
+		OptionalId: productDesignInfo.OptionalId,
+		IsCheck:    &req.IsCheck,
+		TsTime:     &nowTime,
+	}
+	if cartInfo.Id == 0 {
+		err = cartModel.Create(l.ctx, data)
+	} else {
+		err = cartModel.Update(l.ctx, cartInfo.Id, data)
+	}
+	if err != nil {
+		logx.Error(err)
+		return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to add to cart")
+	}
+	return resp.SetStatus(basic.CodeOK)
+}