From c463d1ddd354e9ad292f93fd61d8c76f0fde5a4d Mon Sep 17 00:00:00 2001
From: Pavel Djundik <xPaw@users.noreply.github.com>
Date: Fri, 28 Feb 2020 17:01:17 +0200
Subject: [PATCH] Emit an event to clear history on all open clients

---
 client/js/helpers/contextMenu.js         |  6 ------
 client/js/socket-events/history_clear.js | 14 ++++++++++++++
 client/js/socket-events/index.js         |  1 +
 src/client.js                            |  4 ++++
 4 files changed, 19 insertions(+), 6 deletions(-)
 create mode 100644 client/js/socket-events/history_clear.js

diff --git a/client/js/helpers/contextMenu.js b/client/js/helpers/contextMenu.js
index 9f508ebf..49b3834e 100644
--- a/client/js/helpers/contextMenu.js
+++ b/client/js/helpers/contextMenu.js
@@ -147,12 +147,6 @@ export function generateChannelContextMenu($root, channel, network) {
 							return;
 						}
 
-						channel.messages = [];
-						channel.unread = 0;
-						channel.highlight = 0;
-						channel.firstUnread = 0;
-						channel.moreHistoryAvailable = false;
-
 						socket.emit("history:clear", {
 							target: channel.id,
 						});
diff --git a/client/js/socket-events/history_clear.js b/client/js/socket-events/history_clear.js
new file mode 100644
index 00000000..e0d7b2b0
--- /dev/null
+++ b/client/js/socket-events/history_clear.js
@@ -0,0 +1,14 @@
+"use strict";
+
+import socket from "../socket";
+import store from "../store";
+
+socket.on("history:clear", function(data) {
+	const {channel} = store.getters.findChannel(data.target);
+
+	channel.messages = [];
+	channel.unread = 0;
+	channel.highlight = 0;
+	channel.firstUnread = 0;
+	channel.moreHistoryAvailable = false;
+});
diff --git a/client/js/socket-events/index.js b/client/js/socket-events/index.js
index 722ec3a7..0384acd2 100644
--- a/client/js/socket-events/index.js
+++ b/client/js/socket-events/index.js
@@ -23,3 +23,4 @@ import "./sessions_list";
 import "./configuration";
 import "./changelog";
 import "./setting";
+import "./history_clear";
diff --git a/src/client.js b/src/client.js
index ee5f8de5..637f864d 100644
--- a/src/client.js
+++ b/src/client.js
@@ -514,6 +514,10 @@ Client.prototype.clearHistory = function(data) {
 	target.chan.highlight = 0;
 	target.chan.firstUnread = 0;
 
+	client.emit("history:clear", {
+		target: target.chan.id,
+	});
+
 	if (!target.chan.isLoggable()) {
 		return;
 	}