From d5ac13f91c80384d1b23eb5feb4a6ad0c7994ce2 Mon Sep 17 00:00:00 2001
From: Pavel Djundik <xPaw@users.noreply.github.com>
Date: Fri, 17 Jan 2020 12:17:37 +0200
Subject: [PATCH] Notify all connected clients when new version is available

---
 client/js/socket-events/changelog.js | 4 ++++
 src/plugins/changelog.js             | 5 ++++-
 src/server.js                        | 4 ++--
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/client/js/socket-events/changelog.js b/client/js/socket-events/changelog.js
index d647d16e..a952d3ed 100644
--- a/client/js/socket-events/changelog.js
+++ b/client/js/socket-events/changelog.js
@@ -33,3 +33,7 @@ socket.on("changelog", function(data) {
 		}
 	}
 });
+
+socket.on("changelog:newversion", () => {
+	store.state.serverConfiguration.isUpdateAvailable = true;
+});
diff --git a/src/plugins/changelog.js b/src/plugins/changelog.js
index 9c717430..5a64c704 100644
--- a/src/plugins/changelog.js
+++ b/src/plugins/changelog.js
@@ -90,7 +90,7 @@ function updateVersions(response) {
 	}
 }
 
-function checkForUpdates() {
+function checkForUpdates(manager) {
 	fetch().then((versionData) => {
 		if (!module.exports.isUpdateAvailable) {
 			// Check for updates every 24 hours + random jitter of <3 hours
@@ -106,5 +106,8 @@ function checkForUpdates() {
 				versionData.latest.version
 			)} is available. Read more on GitHub: ${versionData.latest.url}`
 		);
+
+		// Notify all connected clients about the new version
+		manager.clients.forEach((client) => client.emit("changelog:newversion"));
 	});
 }
diff --git a/src/server.js b/src/server.js
index 4c771f8d..0ae0334f 100644
--- a/src/server.js
+++ b/src/server.js
@@ -239,9 +239,9 @@ module.exports = function(options = {}) {
 		if (Helper.config.prefetchStorage) {
 			require("./plugins/storage").emptyDir();
 		}
-	});
 
-	changelog.checkForUpdates();
+		changelog.checkForUpdates(manager);
+	});
 
 	return server;
 };