feat: 增加分布式锁，防止重复提交

pkg/service/cast/report.go

@@ -34,6 +34,18 @@ func CreateCompetitiveReport(ctx *gin.Context) {
 		service.Error(ctx, err)
 		return
 	}
+
+	loginInfo := login.GetUserInfoFromC(ctx)
+	lockKey := fmt.Sprintf("lock_create_competitive_report_%d", loginInfo.ID)
+	reply := cache.RedisClient.SetNX(lockKey, time.Now().Format("2006-01-02 15:04:05"), time.Second*5)
+	if !reply.Val() {
+		service.Error(ctx, errors.New("请勿重复提交"))
+		return
+	}
+	defer func() {
+		cache.RedisClient.Del(lockKey)
+	}()
+
 	newCtx := NewCtxWithUserInfo(ctx)
 	artistID, _ := strconv.ParseUint(req.ArtistID, 10, 64)