98 lines
3.5 KiB
Go
98 lines
3.5 KiB
Go
package logic
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import (
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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/utils/auth"
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"fusenapi/utils/basic"
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"fusenapi/utils/format"
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"fusenapi/utils/step_price"
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"gorm.io/gorm"
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"context"
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"fusenapi/server/product/internal/svc"
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"fusenapi/server/product/internal/types"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type CalculateProductPriceLogic 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 NewCalculateProductPriceLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CalculateProductPriceLogic {
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return &CalculateProductPriceLogic{
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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 *CalculateProductPriceLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
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// }
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func (l *CalculateProductPriceLogic) CalculateProductPrice(req *types.CalculateProductPriceReq, userinfo *auth.UserInfo) (resp *basic.Response) {
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if req.ProductId <= 0 {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "err param:product id")
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}
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if req.SizeId <= 0 {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "err param:size id")
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}
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if req.PurchaseQuantity <= 0 {
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return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "err param:purchase quantity")
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}
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//获取产品信息(只是获取id)
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_, err := l.svcCtx.AllModels.FsProduct.FindOne(l.ctx, req.ProductId, "id")
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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(err)
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product info")
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}
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//根据产品跟尺寸获取模型价格信息
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modelInfo, err := l.svcCtx.AllModels.FsProductModel3d.FindOneByProductIdSizeIdTag(l.ctx, req.ProductId, req.SizeId, constants.TAG_MODEL, "id,step_price")
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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, "model info is not exists")
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}
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get model info")
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}
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var stepPrice gmodel.StepPriceJsonStruct
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if err = json.Unmarshal(*modelInfo.StepPrice, &stepPrice); err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeJsonErr, "failed to parse step price")
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}
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//配件
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fittingPrice := int64(0)
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if req.FittingId > 0 {
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fittingInfo, err := l.svcCtx.AllModels.FsProductModel3d.FindOne(l.ctx, req.FittingId, "id,price")
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "fitting info is not exists")
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}
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return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get fitting info")
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fittingPrice = *fittingInfo.Price
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}
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totalPrice, itemPrice, err := step_price.GetNewCentStepPrice(req.PurchaseQuantity, stepPrice, fittingPrice)
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if err != nil {
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logx.Error(err)
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return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to calculate product price ")
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}
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return resp.SetStatusWithMessage(basic.CodeOK, "success", types.CalculateProductPriceRsp{
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ItemPrice: format.CentitoDollar(itemPrice, 3),
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TotalPrice: format.CentitoDollarWithNoHalfAdjust(totalPrice, 2),
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PurchaseQuantity: req.PurchaseQuantity,
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})
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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 *CalculateProductPriceLogic) 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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