feat 版本用latest
Some checks failed
Build image / build (push) Failing after 2m48s

This commit is contained in:
timerzz 2024-09-13 21:23:30 +08:00
parent ba83361243
commit a54fe0c880

86
rate/rate.go Normal file
View File

@ -0,0 +1,86 @@
package rate
import (
"context"
"fmt"
"strconv"
"gitea.timerzz.com/kedaya_haitao/common/pkg/subscribe"
"gitea.timerzz.com/kedaya_haitao/common/structs/storage"
"gitea.timerzz.com/kedaya_haitao/common/structs/utils"
"github.com/golang/glog"
"github.com/redis/go-redis/v9"
)
type Controller struct {
ctx context.Context
storage *storage.Storage
subscribe *subscribe.Server
}
func NewController(ctx context.Context, storage *storage.Storage, rdb *redis.Client) *Controller {
return &Controller{
storage: storage,
subscribe: subscribe.NewServer(ctx, rdb),
}
}
func (c *Controller) Run() error {
c.subscribe.SetErrorHandle(func(err error) {
glog.Error(err)
})
if err := c.subscribe.Subscribe(utils.ProfitRate_Channel, c.Rate); err != nil {
return fmt.Errorf("订阅失败:%v", err)
}
c.subscribe.Run()
return nil
}
// 处理接受到的信息
func (c *Controller) Rate(ctx context.Context, idString string) error {
i, _ := strconv.Atoi(idString)
if i <= 0 {
return fmt.Errorf("接收到的id不正确%s", idString)
}
id := uint(i)
article, err := c.storage.Article().Get(storage.NewGetArticleQuery().SetID(id))
if err != nil {
return fmt.Errorf("获取商品 id: %d 失败:%v", id, err)
}
// 拿到最低成本价和最低售价
var cost, sell float64
//检查能不能购买,只要有一个供应商能买,就认为能购买
var available bool
for _, provider := range article.Providers {
final := provider.Cost.FinalPrice
if final > 0 && (final < cost || cost == 0) && !provider.Exclude {
cost = final
}
available = available || provider.Available
}
for _, seller := range article.Sellers {
final := seller.Sell.FinalPrice
if final > 0 && (final < sell || sell == 0) && !seller.Exclude {
sell = final
}
}
// 成本和售价没有改动,不保存,直接返回
if cost == article.CostPrice && sell == article.SellPrice {
return nil
}
// 到这里说明成本和售价有变动
article.CostPrice = Decimal(cost)
article.SellPrice = Decimal(sell)
if cost > 0 {
article.Rate = Decimal((article.SellPrice - article.CostPrice) * 100 / article.CostPrice)
}
// 保存更新
return c.storage.Article().Update(article, "cost_price", "sell_price", "available", "updated_at", "rate")
}
func Decimal(num float64) float64 {
num, _ = strconv.ParseFloat(fmt.Sprintf("%.2f", num), 64)
return num
}