From 5b3b975e3f8b8f8a6cfab076ac7aeea466f41a4d Mon Sep 17 00:00:00 2001
From: Simey Lameze <simey@moodle.com>
Date: Mon, 16 Dec 2019 08:36:26 +0800
Subject: [PATCH] MDL-66871 calendar: fix ics importing logic

---
 calendar/lib.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/calendar/lib.php b/calendar/lib.php
index 43e9de89abc..381580eec01 100644
--- a/calendar/lib.php
+++ b/calendar/lib.php
@@ -3066,7 +3066,8 @@ function calendar_import_icalendar_events($ical, $unused = null, $subscriptionid
         }
     }
 
-    if (!empty($subscriptionid)) {
+    $existing = $DB->get_field('event_subscriptions', 'lastupdated', ['id' => $subscriptionid]);
+    if (!empty($existing)) {
         $eventsuuids = $DB->get_records_menu('event', ['subscriptionid' => $subscriptionid], '', 'id, uuid');
 
         $icaleventscount = count($icaluuids);