From 3c5adeee8af3b080aadec2630f356894dfaabe2c Mon Sep 17 00:00:00 2001
From: Aman Agrawal <amanagr@zulip.com>
Date: Fri, 22 May 2020 20:41:19 +0530
Subject: [PATCH] recent_topics: Update unread count of topics inplace.

---
 static/js/recent_topics.js | 5 +++++
 static/js/unread_ops.js    | 1 +
 2 files changed, 6 insertions(+)

diff --git a/static/js/recent_topics.js b/static/js/recent_topics.js
index 3bdfcb8af7..6985ac2f4c 100644
--- a/static/js/recent_topics.js
+++ b/static/js/recent_topics.js
@@ -152,6 +152,11 @@ exports.update_topic_is_muted = function (stream_id, topic, is_muted) {
     return true;
 };
 
+exports.update_topic_unread_count = function (message) {
+    const topic_key = message.stream_id + ":" + message.topic;
+    exports.inplace_rerender(topic_key);
+};
+
 exports.complete_rerender = function () {
     // NOTE: This function is grows expensive with
     // number of topics. Only call when necessary.
diff --git a/static/js/unread_ops.js b/static/js/unread_ops.js
index c2aaf54191..28575ac514 100644
--- a/static/js/unread_ops.js
+++ b/static/js/unread_ops.js
@@ -15,6 +15,7 @@ function process_newly_read_message(message, options) {
         message_list.narrowed.show_message_as_read(message, options);
     }
     notifications.close_notification(message);
+    recent_topics.update_topic_unread_count(message);
 }
 
 exports.process_read_messages_event = function (message_ids) {