goshop/shoppingCart-service/handler/cart_handler.go

package handler

import (
	"context"
	"fmt"
	"goproduct/domain/service"
	"goproduct/proto"
)

type CartHandler struct {
	CartService service.ICartService
}

// 新增购物车
func (u *CartHandler) AddCart(ctx context.Context, req *proto.AddCartReq, resp *proto.AddCartResp) error {
	obj, err := u.CartService.AddCart(req)
	if err != nil {
		println("  AddCart err :", err)
	} else {
		resp.CanSetShoppingCartNumber = int64(obj.Number)
		resp.ShoppingCartNumber = int64(obj.Number)
		resp.IsBeyondMaxLimit = false // 查询sku
		resp.ID = obj.ID              //增加新增cart的ID
		fmt.Println(" AddCart  handler  >>>>>>  ", resp)
	}
	return err
}

//修改购物车

func (u *CartHandler) UpdateCart(ctx context.Context, req *proto.AddCartReq, resp *proto.AddCartResp) error {
	obj, err := u.CartService.UpdateCart(req)
	if err != nil {
		println("  UpdateCart err :", err)
	} else {
		resp.CanSetShoppingCartNumber = int64(obj.Number)
		resp.ShoppingCartNumber = int64(obj.Number)
		resp.IsBeyondMaxLimit = false // 查询sku
		resp.ID = obj.ID              //增加新增cart的ID
		fmt.Println(" UpdateCart  handler  >>>>>>  ", resp)
	}
	return err
}