From cd7cbab5ac4befb6fea0ec5b2da00fb8d6ce255f Mon Sep 17 00:00:00 2001
From: Tom Moor <tom.moor@gmail.com>
Date: Mon, 22 Feb 2021 21:53:20 -0800
Subject: [PATCH] =?UTF-8?q?fixes=20#1879=20=E2=80=93=20race=20condition=20?=
 =?UTF-8?q?in=20websockets=20service?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 server/services/websockets.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/server/services/websockets.js b/server/services/websockets.js
index 1e777198..d5d3334f 100644
--- a/server/services/websockets.js
+++ b/server/services/websockets.js
@@ -369,6 +369,10 @@ export default class Websockets {
             method: ["withMembership", event.userId],
           }).findByPk(collectionGroup.collectionId);
 
+          if (!collection) {
+            continue;
+          }
+
           const hasMemberships =
             collection.memberships.length > 0 ||
             collection.collectionGroupMemberships.length > 0;