fusenapi/server/product/internal/logic/getsizebypidlogic.go
laodaming 6036b23386 fix
2023-08-18 11:43:50 +08:00

127 lines
3.9 KiB
Go

package logic
import (
"encoding/json"
"errors"
"fusenapi/constants"
"fusenapi/utils/auth"
"fusenapi/utils/basic"
"fusenapi/utils/format"
"gorm.io/gorm"
"sort"
"strings"
"context"
"fusenapi/server/product/internal/svc"
"fusenapi/server/product/internal/types"
"github.com/zeromicro/go-zero/core/logx"
)
type GetSizeByPidLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewGetSizeByPidLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetSizeByPidLogic {
return &GetSizeByPidLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *GetSizeByPidLogic) GetSizeByPid(req *types.GetSizeByPidReq, userinfo *auth.UserInfo) (resp *basic.Response) {
req.Pid = strings.Trim(req.Pid, " ")
if req.Pid == "" {
return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "err param:pid is empty")
}
//获取产品信息(只是获取id)
productInfo, err := l.svcCtx.AllModels.FsProduct.FindOneBySn(l.ctx, req.Pid, "id")
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return resp.SetStatusWithMessage(basic.CodeDbRecordNotFoundErr, "the product is not exists")
}
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get product info")
}
//获取产品尺寸列表(需要正序排序)
sizeList, err := l.svcCtx.AllModels.FsProductSize.GetAllByProductIds(l.ctx, []int64{productInfo.Id}, "is_popular DESC,sort ASC")
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get size list")
}
sizeIds := make([]int64, 0, len(sizeList))
productIds := make([]int64, 0, len(sizeList))
for _, v := range sizeList {
sizeIds = append(sizeIds, v.Id)
productIds = append(productIds, *v.ProductId)
}
//获取产品价格列表
productPriceList, err := l.svcCtx.AllModels.FsProductPrice.GetSimplePriceListByProductIds(l.ctx, productIds)
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeServiceErr, "failed to get product min price list")
}
mapProductMinPrice := make(map[int64]int64)
//存储产品最小价格
for _, v := range productPriceList {
priceStrSlic := strings.Split(v.Price, ",")
priceSlice, err := format.StrSlicToIntSlice(priceStrSlic)
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeServiceErr, err.Error())
}
if len(priceSlice) == 0 {
continue
}
//正序排序价格(注意排序后的阶梯价格不能用作阶梯数量价格计算)
sort.Ints(priceSlice)
if min, ok := mapProductMinPrice[v.ProductId]; ok {
if min > int64(priceSlice[0]) {
mapProductMinPrice[v.ProductId] = int64(priceSlice[0])
}
} else {
mapProductMinPrice[v.ProductId] = int64(priceSlice[0])
}
}
//获取对应模型数据
modelList, err := l.svcCtx.AllModels.FsProductModel3d.GetAllBySizeIdsTag(l.ctx, sizeIds, constants.TAG_MODEL, "id,size_id")
if err != nil {
logx.Error(err)
return resp.SetStatusWithMessage(basic.CodeDbSqlErr, "failed to get model list")
}
mapSizeModel := make(map[int64]int) //size id为key
for k, v := range modelList {
mapSizeModel[*v.SizeId] = k
}
//处理
listRsp := make([]types.GetSizeByPidRsp, 0, len(sizeList))
for _, sizeInfo := range sizeList {
//没有模型的不能使用
modelIndex, ok := mapSizeModel[sizeInfo.Id]
if !ok {
continue
}
var title interface{}
_ = json.Unmarshal([]byte(*sizeInfo.Title), &title)
minPrice := int64(0)
if price, ok := mapProductMinPrice[*sizeInfo.ProductId]; ok {
minPrice = price
}
listRsp = append(listRsp, types.GetSizeByPidRsp{
Id: sizeInfo.Id,
Title: title,
Capacity: *sizeInfo.Capacity,
Cover: *sizeInfo.Cover,
PartsCanDeleted: *sizeInfo.PartsCanDeleted > 0,
ModelId: modelList[modelIndex].Id,
IsPopular: *sizeInfo.IsHot > 0,
MinPrice: float64(minPrice) / 100,
})
}
return resp.SetStatusWithMessage(basic.CodeOK, "success", listRsp)
}