From a8c2e65bfb650a6b3f1cfb9e02670d349ad438f8 Mon Sep 17 00:00:00 2001
From: Sergey Yarkov <serzh.yarkov@gmail.com>
Date: Tue, 1 Mar 2022 22:46:48 +0300
Subject: [PATCH] fix: fixed error on deleting notification

---
 app/Store/NotificationStore.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/Store/NotificationStore.ts b/app/Store/NotificationStore.ts
index 50e90e0..dd98e57 100644
--- a/app/Store/NotificationStore.ts
+++ b/app/Store/NotificationStore.ts
@@ -52,6 +52,8 @@ class RedisNotificationStore {
   }
 
   public async del(userId: string, keys: string[]): Promise<number> {
+    if (keys.length === 0) return 0;
+
     const k = keys.map(v => `notification:${v}`);
     const count = await this.redisClient.zrem(`user:${userId}`, k);
     await this.redisClient.del(k);