266 lines
8.9 KiB
Go
266 lines
8.9 KiB
Go
package logic
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import (
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"context"
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"encoding/json"
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"errors"
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"fusenapi/constants"
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"fusenapi/model/gmodel"
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"fusenapi/server/shopping-cart/internal/svc"
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"fusenapi/server/shopping-cart/internal/types"
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"fusenapi/utils/auth"
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"fusenapi/utils/basic"
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"fusenapi/utils/file"
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"fusenapi/utils/hash"
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"gorm.io/gorm"
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"time"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type AddToCartLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewAddToCartLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AddToCartLogic {
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return &AddToCartLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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// 处理进入前逻辑w,r
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// func (l *AddToCartLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
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// }
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func (l *AddToCartLogic) AddToCart(req *types.AddToCartReq, userinfo *auth.UserInfo) (resp *basic.Response) {
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if !userinfo.IsUser() {
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return resp.SetStatusWithMessage(basic.CodeUnAuth, "please sign in")
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}
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//校验参数
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if err := l.AddToCartParamVerify(req); err != nil {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, err.Error())
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}
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//查询该用户购物车数量
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cartCount, err := l.svcCtx.AllModels.FsShoppingCart.CountUserCart(l.ctx, userinfo.UserId)
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if err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get the count of your shopping cart")
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}
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if cartCount >= 100 {
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "sorry,the count of your carts can`t greater than 100")
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}
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if req.RenderImage != "" {
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//上传base64文件
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// 上传文件
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var upload = file.Upload{
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Ctx: l.ctx,
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MysqlConn: l.svcCtx.MysqlConn,
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AwsSession: l.svcCtx.AwsSession,
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}
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uploadRes, err := upload.UploadFileByBase64(&file.UploadBaseReq{
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Source: "webGl render image",
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FileHash: hash.JsonHashKey(req.RenderImage),
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FileData: req.RenderImage,
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Metadata: "",
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UploadBucket: 1,
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ApiType: 2,
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UserId: userinfo.UserId,
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GuestId: userinfo.GuestId,
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FileByte: nil,
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})
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if err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeFileUploadErr, "failed to upload webGl render image")
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}
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req.RenderImage = uploadRes.ResourceUrl
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}
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//获取产品是否存在
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productInfo, err := l.svcCtx.AllModels.FsProduct.FindOne(l.ctx, req.ProductId)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the product is not exists")
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}
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logx.Error("获取产品信息错误:", err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product info")
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}
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var (
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templateJson string //模板表的记录中的json设计信息
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templateTag string //模板表的模板标签
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fittingJson string //配件的json设计信息
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fittingName string //配件名
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lightJson string //灯光设计数据
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lightName string //灯光名字
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)
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//有模板
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if req.TemplateId > 0 {
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templateInfo, err := l.svcCtx.AllModels.FsProductTemplateV2.FindOne(l.ctx, req.TemplateId)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the template is not exists")
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}
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logx.Error("获取模板信息错误:", err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get template info")
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}
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if *templateInfo.IsDel == 1 {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the template is deleted")
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}
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if *templateInfo.Status != 1 {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the template`s status is unNormal")
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}
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if templateInfo.TemplateInfo == nil || *templateInfo.TemplateInfo == "" {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the template`s design info is empty")
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}
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templateJson = *templateInfo.TemplateInfo
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templateTag = *templateInfo.TemplateTag
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}
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//有配件
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if req.FittingId > 0 {
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fittingInfo, err := l.svcCtx.AllModels.FsProductModel3d.FindOne(l.ctx, req.FittingId)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the fitting is not exists")
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}
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logx.Error("获取配件信息错误:", err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get fitting info")
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}
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if *fittingInfo.Status != 1 {
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "the fitting`s status is unNormal")
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}
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if fittingInfo.ModelInfo == nil || *fittingInfo.ModelInfo == "" {
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "the fitting`s design info is empty")
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}
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fittingJson = *fittingInfo.ModelInfo
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fittingName = *fittingInfo.Title
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}
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//获取尺寸信息
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sizeInfo, err := l.svcCtx.AllModels.FsProductSize.FindOne(l.ctx, req.SizeId)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the size is not exists")
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}
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logx.Error("获取尺寸信息错误:", err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get size info")
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}
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//状态
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if *sizeInfo.Status != 1 {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "size info status is not normal")
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}
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//获取模型信息
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modelInfo, err := l.svcCtx.AllModels.FsProductModel3d.GetOneBySizeIdTag(l.ctx, sizeInfo.Id, constants.TAG_MODEL)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the template`s model is not exists")
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}
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logx.Error("获取模型信息错误:", err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get template`s model info")
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}
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if *modelInfo.Status != 1 {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the model` status is unNormal")
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}
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//如果模型是配件则返回
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if *modelInfo.Tag != 1 {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the model your post is not a model but fitting")
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}
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if modelInfo.ModelInfo == nil || *modelInfo.ModelInfo == "" {
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "the model`s design info is empty")
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}
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//获取灯光信息
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if *modelInfo.Light > 0 {
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lightInfo, err := l.svcCtx.AllModels.FsProductModel3dLight.FindOne(l.ctx, *modelInfo.Light)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the model`s light info is not exists")
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}
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get light info")
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}
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lightName = *lightInfo.Name
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if lightInfo.Info != nil && *lightInfo.Info != "" {
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lightJson = *lightInfo.Info
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}
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}
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var sizeKeyInfo gmodel.SizeInfo
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if err = json.Unmarshal([]byte(*sizeInfo.Title), &sizeKeyInfo); err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse size info`s title ")
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}
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sizeKeyInfo.Capacity = *sizeInfo.Capacity
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//快照数据
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snapshot := gmodel.CartSnapshot{
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Logo: req.Logo,
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CombineImage: req.CombineImage,
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RenderImage: req.RenderImage,
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TemplateInfo: gmodel.TemplateInfo{
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TemplateJson: templateJson,
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TemplateTag: templateTag,
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},
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ModelInfo: gmodel.ModelInfo{
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ModelJson: *modelInfo.ModelInfo,
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},
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FittingInfo: gmodel.FittingInfo{
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FittingJson: fittingJson,
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FittingName: fittingName,
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},
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SizeInfo: sizeKeyInfo,
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ProductInfo: gmodel.ProductInfo{
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ProductName: *productInfo.Title,
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ProductSn: *productInfo.Sn,
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},
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UserDiyInformation: gmodel.UserDiyInformation{
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Phone: req.DiyInfo.Phone,
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Address: req.DiyInfo.Address,
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Website: req.DiyInfo.Website,
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Qrcode: req.DiyInfo.Qrcode,
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Slogan: req.DiyInfo.Slogan,
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},
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LightInfo: gmodel.LightInfo{
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LightJson: lightJson,
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LightName: lightName,
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},
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}
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snapshotJsonBytes, _ := json.Marshal(snapshot)
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snapshotJsonStr := string(snapshotJsonBytes)
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now := time.Now().UTC()
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err = l.svcCtx.AllModels.FsShoppingCart.Create(l.ctx, &gmodel.FsShoppingCart{
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UserId: &userinfo.UserId,
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ProductId: &req.ProductId,
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TemplateId: &req.TemplateId,
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ModelId: &modelInfo.Id,
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LightId: modelInfo.Light,
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SizeId: &req.SizeId,
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FittingId: &req.FittingId,
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PurchaseQuantity: &req.PurchaseQuantity,
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Snapshot: &snapshotJsonStr,
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Ctime: &now,
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Utime: &now,
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})
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if err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "system err:failed to add to cart ")
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}
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return resp.SetStatus(basic.CodeOK, "success")
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}
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// 参数校验
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func (l *AddToCartLogic) AddToCartParamVerify(req *types.AddToCartReq) error {
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if req.ProductId <= 0 {
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return errors.New("product_id is required")
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}
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if req.SizeId <= 0 {
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return errors.New("product size is required")
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}
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if req.PurchaseQuantity <= 0 {
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return errors.New("purchase quantity can not less than 0 or equal 0")
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}
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return nil
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}
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// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
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// func (l *AddToCartLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
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// // httpx.OkJsonCtx(r.Context(), w, resp)
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// }
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