240 lines
5.9 KiB
Go
240 lines
5.9 KiB
Go
package biz
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import (
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"context"
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"errors"
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"fmt"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/redis/go-redis/v9"
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"golang.org/x/sync/errgroup"
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"time"
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"voucher/internal/biz/bo"
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"voucher/internal/biz/vo"
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"voucher/internal/pkg/lock"
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)
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func (v *VoucherBiz) isCanNotice(ctx context.Context) error {
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if v.bc.Cmb.NoticeStartDays == 0 {
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return errors.New("订单定时通知,noticeStartDays eq 0")
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}
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if v.bc.Cmb.NoticeEndDays == 0 {
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return errors.New("订单定时通知,noticeEndDays eq 0")
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}
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cache := vo.CmbBatchNoticeCacheKey.BuildCache([]string{""})
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_, err := v.rdb.Rdb.Get(ctx, cache.Key).Result()
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if err == nil {
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return fmt.Errorf("订单定时通知,notice 获取redis缓存存在，已被执行,本台服务不做执行")
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}
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if err != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("订单定时通知,notice 获取redis缓存%s异常:%v", cache.Key, err))
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}
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c := vo.CmbBatchNoticeLockKey.BuildCache([]string{""})
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return lock.NewMutex(v.rdb.Rdb, c.TTL).Lock(ctx, c.Key, func(ctx context.Context) error {
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// 二次获取，判定处理，以免获取锁后又执行了一次
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cacheValue, err2 := v.rdb.Rdb.Get(ctx, cache.Key).Result()
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if err2 != nil && err2 != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("订单定时通知,notice 二次获取redis缓存%s异常:%v", cache.Key, err2))
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}
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if len(cacheValue) > 0 {
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return fmt.Errorf("订单定时通知,notice 二次获取redis缓存存在，已被执行,本台服务不做执行")
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}
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if err = v.rdb.Rdb.Set(ctx, cache.Key, fmt.Sprintf("%d_%d", v.bc.Cmb.NoticeStartDays, v.bc.Cmb.NoticeEndDays), c.TTL).Err(); err != nil {
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return fmt.Errorf(fmt.Sprintf("notice 设置redis缓存%s异常:%v", cache.Key, err))
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}
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log.Warnf("订单定时通知,notice 获取redis缓存,不存在，开始处理")
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return nil
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})
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}
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func (v *VoucherBiz) Notice(ctx context.Context) error {
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if err := v.isCanNotice(ctx); err != nil {
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return err
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}
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now := time.Now()
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// 获取 NoticeStartDays 天前的日期
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noticeStartDay := now.AddDate(0, 0, int(-v.bc.Cmb.NoticeStartDays))
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// 获取 NoticeStartDays 天前 00:00:00 的时间
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startTime := time.Date(noticeStartDay.Year(), noticeStartDay.Month(), noticeStartDay.Day(), 0, 0, 0, 0, noticeStartDay.Location())
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// 获取 NoticeEndDays 天前的日期
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noticeEndDay := now.AddDate(0, 0, int(-v.bc.Cmb.NoticeEndDays))
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// 获取 NoticeEndDays 天 23:59:59 的时间
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endTime := time.Date(noticeEndDay.Year(), noticeEndDay.Month(), noticeEndDay.Day(), 23, 59, 59, 0, noticeEndDay.Location())
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return v.timeSliceQuery(ctx, startTime, endTime)
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}
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func (v *VoucherBiz) timeSliceQuery(ctx context.Context, startTime, endTime time.Time) error {
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log.Warnf("订单定时通知,开始处理,按每两个小时分片处理,范围:%s到%s", startTime.Format(time.DateTime), endTime.Format(time.DateTime))
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duration := 2 * time.Hour
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eg := new(errgroup.Group)
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eg.SetLimit(8)
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for start := startTime; start.Before(endTime); start = start.Add(duration) {
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end := start.Add(duration) // 计算每次请求的结束时间
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if end.After(endTime) {
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end = endTime
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} else {
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end = end.Add(-1 * time.Second)
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}
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eg.Go(func() error {
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req := &bo.FindInBatchesUseBo{
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StartTime: &start,
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EndTime: &end,
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}
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select {
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case <-ctx.Done():
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return ctx.Err()
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default:
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// 继续执行
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}
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defer func() {
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if err := recover(); err != nil {
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log.Errorf("订单定时通知,发生错误:req:%+v,err:%v", req, err)
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}
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}()
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return v.ExecuteNotice(ctx, req)
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})
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}
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return eg.Wait() // 仅返回第一个错误
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}
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func (v *VoucherBiz) ExecuteNotice(ctx context.Context, req *bo.FindInBatchesUseBo) error {
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start := time.Now()
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num := 0
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notifyNum := 0
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err := v.OrderRepo.FindInBatches(ctx, req, func(ctx context.Context, rows []*bo.OrderBo) error {
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for _, order := range rows {
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num += 1
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if err := v.notice(ctx, order, ¬ifyNum); err != nil {
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log.Errorf("订单定时通知,err:%v", err)
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}
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}
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return nil
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})
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logFields := map[string]interface{}{
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"searchTime": req.StartTime.Format(time.DateTime) + "到" + req.EndTime.Format(time.DateTime),
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"num": num,
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"notifyNum": notifyNum,
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"elapsed": time.Now().Sub(start).String(),
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}
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log.Warnf("订单定时通知,%+v", logFields)
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return err
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}
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func (v *VoucherBiz) notice(ctx context.Context, order *bo.OrderBo, notifyNum *int) (respErr error) {
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// 批量通知不做数据存储，量会很大
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defer func() {
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if err := recover(); err != nil {
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respErr = fmt.Errorf("panic:%v", err)
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}
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}()
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if order == nil {
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return fmt.Errorf("order is nil")
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}
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status, err := v.WechatCpnRepo.Query(ctx, order)
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if err != nil {
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return err
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}
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if order.Status == status {
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return nil // 券状态未改变，忽略不处理
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}
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event, err := status.GetOrderNotifyEvent()
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if err != nil {
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return err
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}
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notify := &bo.OrderNotifyBo{
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OrderNo: order.OrderNo,
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NotifyUrl: order.NotifyUrl,
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Channel: order.Channel,
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Event: event,
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Type: order.Type,
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}
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if err = v.request(ctx, order, notify); err != nil {
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return err
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}
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if err = v.UpdateOrderStatus(ctx, order.ID, status); err != nil {
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return err
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}
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*notifyNum += 1
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return nil
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}
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func (v *VoucherBiz) request(ctx context.Context, order *bo.OrderBo, notify *bo.OrderNotifyBo) (respErr error) {
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defer func() {
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if err := recover(); err != nil {
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respErr = fmt.Errorf("panic:%v,orderNo:%s", err, order.OrderNo)
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}
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}()
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if notify == nil {
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return fmt.Errorf("notify is nil")
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}
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if !notify.Event.CanNotify() {
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return nil // 不可通知，忽略
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}
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request, err := v.Cmb.NotifyRequest(ctx, order, notify)
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if err != nil {
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return err
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}
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if request == nil {
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return fmt.Errorf("request is nil,orderNo:%s,outBizNo:%s,stockId:%s,err:%s", order.OrderNo, order.OutBizNo, order.BatchNo)
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}
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if _, err = v.CmbMixRepo.Request(ctx, request, order.NotifyUrl); err != nil {
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return fmt.Errorf("orderNo:%s,outBizNo:%s,stockId:%s,err:%s", order.OrderNo, order.OutBizNo, order.BatchNo, err.Error())
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}
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return nil
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}
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