fusenapi/server/shopping-cart/internal/logic/getcartslogic.go
laodaming 5df0a0f184 fix
2023-09-15 10:23:40 +08:00

128 lines
3.8 KiB
Go

package logic
import (
"context"
"fusenapi/constants"
"fusenapi/model/gmodel"
"fusenapi/utils/auth"
"fusenapi/utils/basic"
"fusenapi/utils/shopping_cart"
"math"
"fusenapi/server/shopping-cart/internal/svc"
"fusenapi/server/shopping-cart/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type GetCartsLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewGetCartsLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetCartsLogic {
return &GetCartsLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
// 处理进入前逻辑w,r
// func (l *GetCartsLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
// }
func (l *GetCartsLogic) GetCarts(req *types.GetCartsReq, userinfo *auth.UserInfo) (resp *basic.Response) {
if req.CurrentPage <= 0 {
req.CurrentPage = constants.DEFAULT_PAGE
}
limit := 10
//获取用户购物车列表
carts, total, err := l.svcCtx.AllModels.FsShoppingCart.GetAllCartsByParam(l.ctx, gmodel.GetAllCartsByParamReq{
UserId: userinfo.UserId,
Fields: "",
Sort: "id DESC",
Page: req.CurrentPage,
Limit: limit,
})
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to get your shopping carts")
}
if len(carts) == 0 {
return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetCartsRsp{
Meta: types.Meta{
TotalCount: total,
PageCount: int64(math.Ceil(float64(total) / float64(limit))),
CurrentPage: req.CurrentPage,
PerPage: limit,
},
CartList: nil,
})
}
lenCarts := len(carts)
templateIds := make([]int64, 0, lenCarts)
modelIds := make([]int64, 0, lenCarts) //模型 + 配件
sizeIds := make([]int64, 0, lenCarts)
for index := range carts {
templateIds = append(templateIds, *carts[index].TemplateId)
modelIds = append(modelIds, *carts[index].ModelId, *carts[index].FittingId)
sizeIds = append(sizeIds, *carts[index].SizeId)
}
//获取尺寸列表
sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByIds(l.ctx, sizeIds, "")
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get size list")
}
mapSize := make(map[int64]gmodel.FsProductSize)
for _, v := range sizeList {
mapSize[v.Id] = v
}
//获取模型和配件信息
modelList, err := l.svcCtx.AllModels.FsProductModel3d.GetAllByIds(l.ctx, modelIds, "")
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get model list")
}
mapModel := make(map[int64]gmodel.FsProductModel3d)
for _, v := range modelList {
mapModel[v.Id] = v
}
//获取模板列表
templateList, err := l.svcCtx.AllModels.FsProductTemplateV2.FindAllByIds(l.ctx, templateIds)
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get template list")
}
mapTemplate := make(map[int64]gmodel.FsProductTemplateV2)
for _, v := range templateList {
mapTemplate[v.Id] = v
}
//定义map收集变更信息
mapCartChange := make(map[int64]string)
//校验购物车数据是否变更
err = shopping_cart.VerifyShoppingCartSnapshotDataChange(shopping_cart.VerifyShoppingCartSnapshotDataChangeReq{
Carts: carts,
MapSize: mapSize,
MapModel: mapModel,
MapTemplate: mapTemplate,
MapCartChange: mapCartChange,
})
if err != nil {
logx.Error("VerifyShoppingCartSnapshotDataChange err:", err.Error())
return resp.SetStatusWithMessage(basic.CodeServiceErr, "system err:failed to check shopping cart change data")
}
/*list := make([]types.CartItem, 0, lenCarts)
for index := range carts {
}*/
return resp.SetStatus(basic.CodeOK)
}
// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
// func (l *GetCartsLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
// // httpx.OkJsonCtx(r.Context(), w, resp)
// }