306 lines
9.9 KiB
Go
306 lines
9.9 KiB
Go
package logic
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"fusenapi/constants"
|
|
"fusenapi/model/gmodel"
|
|
"fusenapi/server/shopping-cart/internal/svc"
|
|
"fusenapi/server/shopping-cart/internal/types"
|
|
"fusenapi/service/repositories"
|
|
"fusenapi/utils/auth"
|
|
"fusenapi/utils/basic"
|
|
"fusenapi/utils/format"
|
|
"fusenapi/utils/s3url_to_s3id"
|
|
"math"
|
|
|
|
"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 !userinfo.IsUser() {
|
|
return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
|
|
}
|
|
currentPage := constants.DEFAULT_PAGE
|
|
limit := 300
|
|
//获取用户购物车列表
|
|
var cartIds []int64
|
|
if req.CartId > 0 {
|
|
cartIds = append(cartIds, req.CartId)
|
|
}
|
|
carts, total, err := l.svcCtx.AllModels.FsShoppingCart.GetAllCartsByParam(l.ctx, gmodel.GetAllCartsByParamReq{
|
|
Ids: cartIds,
|
|
UserId: userinfo.UserId,
|
|
Sort: "id DESC",
|
|
Page: currentPage,
|
|
Limit: limit,
|
|
})
|
|
if err != nil {
|
|
logx.Error(err)
|
|
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to get your shopping carts")
|
|
}
|
|
var (
|
|
mapSize = make(map[int64]gmodel.FsProductSize)
|
|
mapModel = make(map[int64]gmodel.FsProductModel3d)
|
|
mapTemplate = make(map[int64]gmodel.FsProductTemplateV2)
|
|
mapProduct = make(map[int64]gmodel.FsProduct)
|
|
mapResourceMetadata = make(map[string]interface{})
|
|
)
|
|
//获取相关信息
|
|
err = l.GetRelationInfo(GetRelationInfoReq{
|
|
Carts: carts,
|
|
MapSize: mapSize,
|
|
MapModel: mapModel,
|
|
MapTemplate: mapTemplate,
|
|
MapProduct: mapProduct,
|
|
MapResourceMetadata: mapResourceMetadata,
|
|
})
|
|
if err != nil {
|
|
return resp.SetStatusWithMessage(basic.CodeServiceErr, err.Error())
|
|
}
|
|
//定义map收集变更信息
|
|
mapCartChange := make(map[int64]string)
|
|
mapSnapshot := make(map[int64]gmodel.CartSnapshot)
|
|
//校验购物车数据是否变更
|
|
err = l.svcCtx.Repositories.NewShoppingCart.VerifyShoppingCartSnapshotDataChange(repositories.VerifyShoppingCartSnapshotDataChangeReq{
|
|
Carts: carts,
|
|
MapSize: mapSize,
|
|
MapModel: mapModel,
|
|
MapTemplate: mapTemplate,
|
|
MapCartChange: mapCartChange,
|
|
MapSnapshot: mapSnapshot,
|
|
MapProduct: mapProduct,
|
|
})
|
|
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, len(carts))
|
|
for _, cart := range carts {
|
|
snapShot := mapSnapshot[cart.Id]
|
|
modelInfo, ok := mapModel[*cart.ModelId]
|
|
if !ok {
|
|
return resp.SetStatusWithMessage(basic.CodeServiceErr, fmt.Sprintf("the size`s model info is not exists:%d_%d", *cart.ProductId, *cart.SizeId))
|
|
}
|
|
var stepPrice gmodel.StepPriceJsonStruct
|
|
if modelInfo.StepPrice != nil && len(*modelInfo.StepPrice) != 0 {
|
|
if err = json.Unmarshal(*modelInfo.StepPrice, &stepPrice); err != nil {
|
|
logx.Error(err)
|
|
return resp.SetStatusWithMessage(basic.CodeJsonErr, fmt.Sprintf("failed to parse model step price:%d", *cart.ModelId))
|
|
}
|
|
}
|
|
//购买数量步进量
|
|
stepPurchaseQuantity := *modelInfo.PackedUnit
|
|
//如果有配件，单价也要加入配件价格
|
|
fittingPrice := int64(0)
|
|
if *cart.FittingId > 0 {
|
|
curFittingInfo, ok := mapModel[*cart.FittingId]
|
|
if !ok {
|
|
return resp.SetStatusWithMessage(basic.CodeServiceErr, fmt.Sprintf("cart contain some one witch lose fitting:%d", *cart.FittingId))
|
|
}
|
|
fittingPrice = *curFittingInfo.Price
|
|
//取大的为步进量基数
|
|
if *curFittingInfo.PackedUnit > stepPurchaseQuantity {
|
|
stepPurchaseQuantity = *curFittingInfo.PackedUnit
|
|
}
|
|
}
|
|
//计算阶梯价格
|
|
totalPrice, itemPrice, err := l.svcCtx.Repositories.NewShoppingCart.CaculateStepPrice(*cart.PurchaseQuantity, stepPrice, fittingPrice)
|
|
if err != nil {
|
|
logx.Error(err)
|
|
return resp.SetStatusWithMessage(basic.CodeServiceErr, err.Error())
|
|
}
|
|
//尺寸信息
|
|
sizeCapacity := snapShot.SizeInfo.Capacity
|
|
if sizeInfo, ok := mapSize[*cart.SizeId]; ok {
|
|
sizeCapacity = *sizeInfo.Capacity
|
|
}
|
|
//配件信息
|
|
fittingName := snapShot.FittingInfo.FittingName
|
|
if fittingInfo, ok := mapModel[*cart.FittingId]; ok {
|
|
fittingName = *fittingInfo.Name
|
|
}
|
|
productCover := "" //产品封面图
|
|
productName := snapShot.ProductInfo.ProductName
|
|
productSn := snapShot.ProductInfo.ProductSn
|
|
//产品封面图资源元数据
|
|
var productCoverMetadata interface{}
|
|
cartIsSelected := *cart.IsSelected > 0
|
|
//产品信息
|
|
if productInfo, ok := mapProduct[*cart.ProductId]; ok {
|
|
productCover = *productInfo.Cover
|
|
productName = *productInfo.Title
|
|
productSn = *productInfo.Sn
|
|
if metadata, ok := mapResourceMetadata[*productInfo.Cover]; ok {
|
|
productCoverMetadata = metadata
|
|
}
|
|
//产品下架了
|
|
if *productInfo.IsShelf == 0 {
|
|
cartIsSelected = false
|
|
}
|
|
}
|
|
templateTag := ""
|
|
if templateInfo, ok := mapTemplate[*cart.TemplateId]; ok {
|
|
templateTag = *templateInfo.TemplateTag
|
|
}
|
|
item := types.CartItem{
|
|
CartId: cart.Id,
|
|
ProductInfo: types.ProductInfo{
|
|
ProductId: *cart.ProductId,
|
|
ProductName: productName,
|
|
ProductSn: productSn,
|
|
ProductCover: productCover,
|
|
ProductCoverMetadata: productCoverMetadata,
|
|
},
|
|
SizeInfo: types.SizeInfo{
|
|
SizeId: *cart.SizeId,
|
|
Capacity: sizeCapacity,
|
|
Title: types.SizeTitle{
|
|
Cm: snapShot.SizeInfo.Cm,
|
|
Inch: snapShot.SizeInfo.Inch,
|
|
},
|
|
},
|
|
FittingInfo: types.FittingInfo{
|
|
FittingId: *cart.FittingId,
|
|
FittingName: fittingName,
|
|
},
|
|
ItemPrice: format.CentitoDollar(itemPrice, 3),
|
|
TotalPrice: format.CentitoDollarWithNoHalfAdjust(totalPrice, 2),
|
|
DiyInformation: types.DiyInformation{
|
|
Phone: snapShot.UserDiyInformation.Phone,
|
|
Address: snapShot.UserDiyInformation.Address,
|
|
Website: snapShot.UserDiyInformation.Website,
|
|
Qrcode: snapShot.UserDiyInformation.Qrcode,
|
|
Slogan: snapShot.UserDiyInformation.Slogan,
|
|
},
|
|
PurchaseQuantity: *cart.PurchaseQuantity,
|
|
MinPurchaseQuantity: stepPrice.MinBuyUnitsNum,
|
|
StepPurchaseQuantity: stepPurchaseQuantity,
|
|
IsHighlyCustomized: *cart.IsHighlyCustomized > 0,
|
|
IsSelected: cartIsSelected,
|
|
TemplateTag: templateTag,
|
|
Logo: snapShot.Logo,
|
|
RenderImage: snapShot.RenderImage,
|
|
}
|
|
//是否有失效的
|
|
if description, ok := mapCartChange[cart.Id]; ok {
|
|
item.IsInvalid = true
|
|
item.InvalidDescription = description
|
|
//失效了返回给前端也是不选中
|
|
item.IsSelected = false
|
|
}
|
|
list = append(list, item)
|
|
}
|
|
return resp.SetStatusWithMessage(basic.CodeOK, "success", types.GetCartsRsp{
|
|
Meta: types.Meta{
|
|
TotalCount: total,
|
|
PageCount: int64(math.Ceil(float64(total) / float64(limit))),
|
|
CurrentPage: currentPage,
|
|
PerPage: limit,
|
|
},
|
|
CartList: list,
|
|
})
|
|
}
|
|
|
|
// 获取相关信息
|
|
type GetRelationInfoReq struct {
|
|
Carts []gmodel.FsShoppingCart
|
|
MapSize map[int64]gmodel.FsProductSize
|
|
MapModel map[int64]gmodel.FsProductModel3d
|
|
MapTemplate map[int64]gmodel.FsProductTemplateV2
|
|
MapProduct map[int64]gmodel.FsProduct
|
|
MapResourceMetadata map[string]interface{}
|
|
}
|
|
|
|
func (l *GetCartsLogic) GetRelationInfo(req GetRelationInfoReq) error {
|
|
lenCarts := len(req.Carts)
|
|
templateIds := make([]int64, 0, lenCarts)
|
|
modelIds := make([]int64, 0, lenCarts) //模型 + 配件
|
|
sizeIds := make([]int64, 0, lenCarts)
|
|
productIds := make([]int64, 0, lenCarts)
|
|
for index := range req.Carts {
|
|
templateIds = append(templateIds, *req.Carts[index].TemplateId)
|
|
modelIds = append(modelIds, *req.Carts[index].ModelId, *req.Carts[index].FittingId)
|
|
sizeIds = append(sizeIds, *req.Carts[index].SizeId)
|
|
productIds = append(productIds, *req.Carts[index].ProductId)
|
|
}
|
|
//获取产品集合
|
|
productList, err := l.svcCtx.AllModels.FsProduct.GetProductListByIds(l.ctx, productIds, "")
|
|
if err != nil {
|
|
logx.Error(err)
|
|
return errors.New("failed to get product list")
|
|
}
|
|
resourceIds := make([]string, 0, len(productList))
|
|
for _, v := range productList {
|
|
req.MapProduct[v.Id] = v
|
|
resourceIds = append(resourceIds, s3url_to_s3id.GetS3ResourceIdFormUrl(*v.Cover))
|
|
}
|
|
//根据resourceUrls找到对应的元数据
|
|
resourceMetadataList, err := l.svcCtx.AllModels.FsResource.FindAllByResourceIds(l.ctx, resourceIds)
|
|
if err != nil {
|
|
logx.Error(err)
|
|
return errors.New("failed to get resource list")
|
|
}
|
|
for _, v := range resourceMetadataList {
|
|
var metadata interface{}
|
|
if v.Metadata != nil {
|
|
_ = json.Unmarshal(*v.Metadata, &metadata)
|
|
}
|
|
req.MapResourceMetadata[*v.ResourceUrl] = metadata
|
|
}
|
|
//获取尺寸列表
|
|
sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByIds(l.ctx, sizeIds, "")
|
|
if err != nil {
|
|
logx.Error(err)
|
|
return errors.New("failed to get size list")
|
|
}
|
|
for _, v := range sizeList {
|
|
req.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 errors.New("failed to get model list")
|
|
}
|
|
for _, v := range modelList {
|
|
req.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 errors.New("failed to get template list")
|
|
}
|
|
for _, v := range templateList {
|
|
req.MapTemplate[v.Id] = v
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// 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)
|
|
// }
|