From 551adddb6717a56237b4863d08c6f3355e02b853 Mon Sep 17 00:00:00 2001
From: enahum <nahumhbl@gmail.com>
Date: Wed, 1 Mar 2017 05:43:40 -0300
Subject: Prevent msg count subtraction to be less than zero (#5565)

---
 webapp/stores/team_store.jsx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/webapp/stores/team_store.jsx b/webapp/stores/team_store.jsx
index 1601a684a..6f81a9345 100644
--- a/webapp/stores/team_store.jsx
+++ b/webapp/stores/team_store.jsx
@@ -324,8 +324,11 @@ class TeamStoreClass extends EventEmitter {
     subtractUnread(teamId, msgs, mentions) {
         const member = this.my_team_members.filter((m) => m.team_id === teamId)[0];
         if (member) {
-            member.msg_count -= msgs;
-            member.mention_count -= mentions;
+            const msgCount = member.msg_count - msgs;
+            const mentionCount = member.mention_count - mentions;
+
+            member.msg_count = (msgCount > 0) ? msgCount : 0;
+            member.mention_count = (mentionCount > 0) ? mentionCount : 0;
         }
     }
 
-- 
cgit v1.2.3-1-g7c22