From 4f0ca55cf021b5daa4efb8036d31778a0d043b28 Mon Sep 17 00:00:00 2001
From: fiaxh <git@lightrise.org>
Date: Tue, 27 Oct 2020 16:19:59 +0100
Subject: [PATCH] Fix for older glib versions

---
 .../src/module/xep/0082_date_time_profiles.vala   | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/xmpp-vala/src/module/xep/0082_date_time_profiles.vala b/xmpp-vala/src/module/xep/0082_date_time_profiles.vala
index 17ed9e09..32d4d3ac 100644
--- a/xmpp-vala/src/module/xep/0082_date_time_profiles.vala
+++ b/xmpp-vala/src/module/xep/0082_date_time_profiles.vala
@@ -1,12 +1,23 @@
 namespace Xmpp.Xep.DateTimeProfiles {
 
 public DateTime? parse_string(string time_string) {
-    return new DateTime.from_iso8601(time_string, null);
+    // TODO with glib >= 2.56
+    // return new DateTime.from_iso8601(time_string, null);
+
+    TimeVal time_val = TimeVal();
+    if (time_val.from_iso8601(time_string)) {
+        return new DateTime.from_unix_utc(time_val.tv_sec);
+    }
+    return null;
+
 }
 
 
 public string to_datetime(DateTime time) {
-    return time.to_utc().format_iso8601().to_string();
+    // TODO with glib >= 2.62
+    // return time.to_utc().format_iso8601().to_string();
+
+    return time.to_utc().format("%Y-%m-%dT%H:%M:%SZ");
 }
 
 }