From 78b16fb4bac326a6897b6fa4341e0568b26dc72c Mon Sep 17 00:00:00 2001
From: Alexander Moisseev <moiseev@mezonplus.ru>
Date: Tue, 11 Sep 2018 20:31:27 +0300
Subject: [PATCH] [WebUI] Notify user on module loading failure

---
 interface/css/rspamd.css |  4 ++++
 interface/js/main.js     | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/interface/css/rspamd.css b/interface/css/rspamd.css
index 0628a25bc..14bb4e669 100644
--- a/interface/css/rspamd.css
+++ b/interface/css/rspamd.css
@@ -526,6 +526,10 @@ td.maps-cell {
 }
 
 /* Some spacing tweaks */
+.notification-area div > button:not(.close) {
+	margin-right: 9px;
+}
+
 #learning p > button {
     margin-top: 10px;
     }
diff --git a/interface/js/main.js b/interface/js/main.js
index 5ed33137d..db9c52942 100644
--- a/interface/js/main.js
+++ b/interface/js/main.js
@@ -32,6 +32,21 @@ define("d3.global", ["d3"], function (d3global) { // eslint-disable-line strict
     d3 = d3global;
 });
 
+// Notify user on module loading failure
+requirejs.onError = function (e) {
+    "use strict";
+    document.getElementsByClassName("notification-area")[0].innerHTML =
+        "<div class=\"alert alert-error\">" +
+            "<strong>Module loading error: " + e.requireType + ", module: " + e.requireModules + "</strong>" +
+            "<button type=\"button\" class=\"btn btn-info btn-xs pull-right\" " +
+                "onClick=\"window.location.reload(); this.parentNode.parentNode.removeChild(this.parentNode);\" " +
+                "title=\"Reload current page\">" +
+                "<i class=\"glyphicon glyphicon-repeat\"></i> Reload" +
+            "</button>" +
+        "</div>";
+    throw e;
+};
+
 // Load main UI
 require(["app/rspamd"],
     function (rspamd) {
-- 
2.39.5