bugfix

internal/redisdao/notification.go

@@ -22,15 +22,6 @@ end
 return v
 `)
 
-// notificationUnreadDecrScript 未读数 -1，保证结果不低于 0
-var notificationUnreadDecrScript = redis.NewScript(`
-local v = redis.call('GET', KEYS[1])
-if v and tonumber(v) > 0 then
-  return redis.call('DECRBY', KEYS[1], 1)
-end
-return 0
-`)
-
 // NotificationUnreadIncr 用户未读消息数 +1，返回最新值
 func NotificationUnreadIncr(ctx context.Context, userID int64) (int64, error) {
 	ctx, span := global.Tracer.Start(ctx, "redisdao.NotificationUnreadIncr")
@@ -45,20 +36,6 @@ func NotificationUnreadIncr(ctx context.Context, userID int64) (int64, error) {
 	return val, nil
 }
 
-// NotificationUnreadDecr 用户未读消息数 -1，返回扣减后的值（不低于 0）
-func NotificationUnreadDecr(ctx context.Context, userID int64) (int64, error) {
-	ctx, span := global.Tracer.Start(ctx, "redisdao.NotificationUnreadDecr")
-	defer span.End()
-
-	key := fmt.Sprintf(redismodel.KeyNotificationUnread, userID)
-	val, err := notificationUnreadDecrScript.Run(ctx, global.RedisEngine, []string{key}).Int64()
-	if err != nil {
-		span.RecordError(err)
-		return 0, err
-	}
-	return val, nil
-}
-
 // NotificationUnreadGet 获取用户未读消息数，不存在时返回 0
 func NotificationUnreadGet(ctx context.Context, userID int64) (int64, error) {
 	ctx, span := global.Tracer.Start(ctx, "redisdao.NotificationUnreadGet")