预警40

internal/biz/vo/cache.go

@@ -30,6 +30,7 @@ const (
 )
 
 var (
+	WarningBudgetCron     CacheKey = "warning_budget_cron"
 	WarningBudgetSendIncr CacheKey = "warning_budget_incr"
 )
 
@@ -49,6 +50,7 @@ var CacheKeyMap = map[CacheKey]time.Duration{
 	ProductQueryLockKey: 30 * time.Second,
 
 	WarningBudgetSendIncr: 3 * time.Hour,
+	WarningBudgetCron:     5 * time.Minute,
 }
 
 type Cache struct {

internal/service/warning_budget.go

@@ -2,7 +2,11 @@ package service
 
 import (
 	"context"
+	"fmt"
 	"github.com/go-kratos/kratos/v2/log"
+	"github.com/redis/go-redis/v9"
+	"time"
+	"voucher/internal/biz/vo"
 )
 
 func (s *VoucherService) CronWarningBudget(ctx context.Context) error {
@@ -24,6 +28,23 @@ func (s *VoucherService) CronWarningBudget(ctx context.Context) error {
 		return nil
 	}
 
+	cv := vo.WarningBudgetCron.BuildCache([]string{""})
+
+	cacheValue, err2 := s.rdb.Rdb.Get(ctx, cv.Key).Result()
+
+	if err2 != nil && err2 != redis.Nil {
+		return fmt.Errorf(fmt.Sprintf("warningBudget定时任务,notice 获取redis缓存%s异常:%v", cv.Key, err2))
+	}
+
+	if len(cacheValue) > 0 {
+		log.Error("warningBudget定时任务,notice 获取redis缓存存在,本台服务不做执行")
+		return nil
+	}
+
+	if err := s.rdb.Rdb.Set(ctx, cv.Key, time.Now().Format(time.DateTime), cv.TTL).Err(); err != nil {
+		return fmt.Errorf(fmt.Sprintf("warningBudget定时任务 设置redis缓存%s异常:%v", cv.Key, err))
+	}
+
 	return s.cron.AddFunc(c.Command, func() {
 
 		s.VoucherBiz.CronWarningBudget(ctx)