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277 lines
9.0 KiB
277 lines
9.0 KiB
package memory
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import (
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"context"
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"encoding/json"
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"fmt"
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"strconv"
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"time"
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"yunyan/comm"
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"yunyan/lego/base"
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"yunyan/lego/core"
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"yunyan/lego/core/cbase"
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"yunyan/lego/sys/cron"
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redissys "yunyan/lego/sys/redis"
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"yunyan/pb"
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)
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/*
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周期报告:cron 建单入队 → N 个 worker BRPop → SQL 算 stat_json → LLM 组织播报文案。
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三条要点,全是踩过或推演出来的:
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1. **金额与完成数走 SQL,LLM 只组织文案**。数字算错比话说得干巴严重得多。
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2. **锁与队列 key 必须过 redissys.RKey 加应用前缀**。测试机上多个应用共用一个
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Redis 实例,锁 key 不带前缀会让 A 应用抢到的锁挡住 B 应用整周不生成报告,
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而且安安静静什么都不报。
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3. **漏跑比重复更可能**。当前 compose 是单副本,"多副本重复生成"是前瞻性风险;
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真会发生的是 00:30 跑到一半容器重启、cron 不补跑,报告永远停在 pending。
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所以 memory_getreport 里有一条超时重新入队的补偿(见 requeueIfStale)。
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*/
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type reportComp struct {
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cbase.ModuleCompBase
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module *Memory
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service base.IRPCXService
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options *Options
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ctx context.Context
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cancel context.CancelFunc
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}
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func (this *reportComp) Init(service core.IService, module core.IModule, comp core.IModuleComp, opt core.IModuleOptions) error {
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this.ModuleCompBase.Init(service, module, comp, opt)
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this.module = module.(*Memory)
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this.service = service.(base.IRPCXService)
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this.options = opt.(*Options)
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this.ctx, this.cancel = context.WithCancel(context.Background())
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return nil
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}
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func (this *reportComp) Start() error {
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if err := this.ModuleCompBase.Start(); err != nil {
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return err
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}
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for i := 0; i < this.options.MaxReportProcess; i++ {
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go this.consume(i)
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}
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if _, err := cron.AddFunc(this.options.ReportCronWeek, func() { this.tick(comm.MemoryPeriodWeek) }); err != nil {
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this.module.Errorf("注册周报 cron 失败 spec:%s err:%v", this.options.ReportCronWeek, err)
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}
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if _, err := cron.AddFunc(this.options.ReportCronMonth, func() { this.tick(comm.MemoryPeriodMonth) }); err != nil {
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this.module.Errorf("注册月报 cron 失败 spec:%s err:%v", this.options.ReportCronMonth, err)
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}
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this.module.Infof("周期报告已启动 workers:%d week:%q month:%q",
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this.options.MaxReportProcess, this.options.ReportCronWeek, this.options.ReportCronMonth)
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return nil
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}
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func (this *reportComp) Destroy() error {
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if this.cancel != nil {
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this.cancel()
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}
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return this.ModuleCompBase.Destroy()
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}
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// ===== key(一律经 RKey 加应用前缀)=====
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func (this *reportComp) awaitKey() string {
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return redissys.RKey(fmt.Sprintf("%s:%s", this.service.GetTag(), QueueReportAwait))
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}
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func (this *reportComp) lockKey(ptype, pkey string) string {
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return redissys.RKey(fmt.Sprintf("%s:%s:%s:%s", this.service.GetTag(), LockReportPrefix, ptype, pkey))
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}
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// ===== cron =====
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// tick 到点建单入队。多副本时用 SET NX EX 抢锁,只有一个实例真的干活。
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func (this *reportComp) tick(ptype string) {
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now := time.Now()
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var start, end time.Time
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var pkey string
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switch ptype {
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case comm.MemoryPeriodWeek:
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// 周一 00:30 跑的是「上周」,往前退一天落到上周日再取那一周
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prev := now.AddDate(0, 0, -1)
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start, end = comm.MemoryWeekRange(prev)
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pkey = comm.MemoryWeekKey(prev)
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case comm.MemoryPeriodMonth:
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prev := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location()).AddDate(0, 0, -1)
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start, end = comm.MemoryMonthRange(prev)
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pkey = comm.MemoryMonthKey(prev)
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default:
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return
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}
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// 锁存 2 小时:足够覆盖一次生成,又不会长到把下一个周期也挡掉
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ok, err := redissys.Conn().SetNX(this.ctx, this.lockKey(ptype, pkey), "1", 2*time.Hour).Result()
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if err != nil {
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this.module.Errorf("报告 cron 抢锁失败 %s/%s err:%v", ptype, pkey, err)
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return
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}
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if !ok {
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this.module.Infof("报告 cron %s/%s 已被其它实例领走,跳过", ptype, pkey)
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return
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}
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sd, ed := comm.FormatMemoryDate(start), comm.FormatMemoryDate(end)
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uids, err := this.module.model.uidsWithItemsBetween(sd, ed, this.options.ReportMinItems)
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if err != nil {
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this.module.Errorf("报告 cron 扫描用户失败 %s/%s err:%v", ptype, pkey, err)
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return
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}
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this.module.Infof("报告 cron %s/%s 范围 %s~%s 命中 %d 个用户", ptype, pkey, sd, ed, len(uids))
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for _, uid := range uids {
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rec := &pb.DBMemoryReport{
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Uid: uid, PeriodType: ptype, PeriodKey: pkey,
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PeriodStart: sd, PeriodEnd: ed,
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State: pb.MemoryReportState_MemoryReportState_Pending,
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}
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if err := this.module.model.upsertReport(rec); err != nil {
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this.module.Errorf("报告建单失败 uid:%s %s/%s err:%v", uid, ptype, pkey, err)
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continue
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}
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if rec.State == pb.MemoryReportState_MemoryReportState_Done && rec.Confirmed {
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continue // upsert 里对已确认的直接返回原记录,不重算
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}
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this.enqueue(rec.Id)
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}
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}
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func (this *reportComp) enqueue(id uint64) {
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if err := redissys.Conn().LPush(this.ctx, this.awaitKey(), strconv.FormatUint(id, 10)).Err(); err != nil {
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this.module.Errorf("报告入队失败 id:%d err:%v", id, err)
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}
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}
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// requeueIfStale 补偿:报告卡在 pending/processing 超过阈值就重新入队。
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//
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// 由 memory_getreport 驱动(同 echomeet 用 PollTranscribe 兜「转写回调丢了」的思路)。
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// 没有这条,容器在 00:30 重启一次就够让那一周的报告永远停在 pending —— 而且不报任何错。
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func (this *reportComp) requeueIfStale(rec *pb.DBMemoryReport) bool {
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if rec == nil {
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return false
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}
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if rec.State != pb.MemoryReportState_MemoryReportState_Pending &&
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rec.State != pb.MemoryReportState_MemoryReportState_Processing {
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return false
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}
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if time.Now().Unix()-rec.UpdateTime < this.options.ReportStaleSec {
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return false
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}
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this.module.Warnf("报告 id:%d 卡在 state:%d 超过 %ds,重新入队", rec.Id, rec.State, this.options.ReportStaleSec)
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rec.State = pb.MemoryReportState_MemoryReportState_Pending
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if err := this.module.model.saveReport(rec); err != nil {
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this.module.Errorf("报告 id:%d 重置状态失败 err:%v", rec.Id, err)
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return false
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}
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this.enqueue(rec.Id)
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return true
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}
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// ===== worker =====
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func (this *reportComp) consume(idx int) {
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key := this.awaitKey()
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for {
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select {
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case <-this.ctx.Done():
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return
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default:
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}
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res, err := redissys.Conn().BRPop(this.ctx, 5*time.Second, key).Result()
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if err != nil {
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continue // 超时是常态,不刷日志
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}
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if len(res) < 2 {
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continue
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}
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id, e := strconv.ParseUint(res[1], 10, 64)
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if e != nil {
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continue
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}
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this.process(id)
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}
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}
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func (this *reportComp) process(id uint64) {
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defer func() {
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if r := recover(); r != nil {
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this.module.Errorf("报告生成 panic id:%d err:%v", id, r)
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}
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}()
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rec, err := this.module.model.getReport(id)
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if err != nil || rec == nil {
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this.module.Errorf("报告生成取记录失败 id:%d err:%v", id, err)
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return
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}
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if rec.State == pb.MemoryReportState_MemoryReportState_Done {
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return
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}
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rec.State = pb.MemoryReportState_MemoryReportState_Processing
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_ = this.module.model.saveReport(rec)
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// 1) 统计走 SQL,确定性的
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st, err := this.module.computeStats(rec.Uid, rec.PeriodStart, rec.PeriodEnd)
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if err != nil {
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this.fail(rec, "统计失败: "+err.Error())
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return
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}
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if !st.hasContent() {
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// 到这儿说明入队后数据被删光了。空报告没有播报价值,直接标完成并确认掉,
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// 免得它挂在「待确认」里天天弹。
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rec.StatJson = toJSON(st)
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rec.Summary = ""
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rec.State = pb.MemoryReportState_MemoryReportState_Done
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rec.Confirmed = true
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rec.ConfirmTime = time.Now().Unix()
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_ = this.module.model.saveReport(rec)
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return
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}
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rec.StatJson = toJSON(st)
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// 2) LLM 只把 stat_json 组织成一段适合朗读的话
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if this.module.echo != nil {
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ctx, cancel := context.WithTimeout(this.ctx, 60*time.Second)
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text, svcId, e := this.module.echo.ChatLLM(ctx, "", this.options.ReportPrompt, rec.StatJson)
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cancel()
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rec.LlmSvcId = svcId
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if e != nil {
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// 文案生成失败**不算整体失败**:统计数据是完整的,客户端拿 stat_json
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// 一样能显示,只是少一段朗读文案。宁可少一句话,不可让报告整个没有。
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this.module.Warnf("报告 id:%d 文案生成失败,仅保留统计 err:%v", rec.Id, e)
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} else {
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rec.Summary = text
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}
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}
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rec.State = pb.MemoryReportState_MemoryReportState_Done
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rec.ErrorMsg = ""
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if err := this.module.model.saveReport(rec); err != nil {
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this.module.Errorf("报告 id:%d 回写失败 err:%v", rec.Id, err)
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return
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}
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this.module.Infof("报告生成完成 id:%d uid:%s %s/%s svc:%s",
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rec.Id, rec.Uid, rec.PeriodType, rec.PeriodKey, rec.LlmSvcId)
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}
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func (this *reportComp) fail(rec *pb.DBMemoryReport, msg string) {
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rec.State = pb.MemoryReportState_MemoryReportState_Failed
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if len([]rune(msg)) > 400 {
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msg = string([]rune(msg)[:400])
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}
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rec.ErrorMsg = msg
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_ = this.module.model.saveReport(rec)
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this.module.Errorf("报告生成失败 id:%d uid:%s %s", rec.Id, rec.Uid, msg)
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}
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func toJSON(v interface{}) string {
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b, err := json.Marshal(v)
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if err != nil {
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return "{}"
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}
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return string(b)
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}
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