add_cart_item.go

// Copyright 2024 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package service

import (
	"context"

	"github.com/cloudwego/biz-demo/gomall/app/frontend/hertz_gen/frontend/cart"
	common "github.com/cloudwego/biz-demo/gomall/app/frontend/hertz_gen/frontend/common"
	"github.com/cloudwego/biz-demo/gomall/app/frontend/infra/rpc"
	frontendutils "github.com/cloudwego/biz-demo/gomall/app/frontend/utils"
	rpccart "github.com/cloudwego/biz-demo/gomall/rpc_gen/kitex_gen/cart"
	"github.com/cloudwego/hertz/pkg/app"
)

type AddCartItemService struct {
	RequestContext *app.RequestContext
	Context        context.Context
}

func NewAddCartItemService(Context context.Context, RequestContext *app.RequestContext) *AddCartItemService {
	return &AddCartItemService{RequestContext: RequestContext, Context: Context}
}

func (h *AddCartItemService) Run(req *cart.AddCartReq) (resp *common.Empty, err error) {
	_, err = rpc.CartClient.AddItem(h.Context, &rpccart.AddItemReq{
		UserId: frontendutils.GetUserIdFromCtx(h.Context),
		Item: &rpccart.CartItem{
			ProductId: req.ProductId,
			Quantity:  req.ProductNum,
		},
	})
	return
}