[evolution/gnome-42] I#1902 - Tasks: Overdue calculation sometimes incorrect

[Milan Crha <mcrha src gnome org>]

commit 5ad19fb9d720ce4fa5e93c5a85bb31cc77badd92
Author: Milan Crha <mcrha redhat com>
Date:   Tue May 10 20:50:52 2022 +0200

    I#1902 - Tasks: Overdue calculation sometimes incorrect
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1902

 src/calendar/gui/e-cal-model-tasks.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)
---
diff --git a/src/calendar/gui/e-cal-model-tasks.c b/src/calendar/gui/e-cal-model-tasks.c
index 2f5f3afde4..44134cbebd 100644
--- a/src/calendar/gui/e-cal-model-tasks.c
+++ b/src/calendar/gui/e-cal-model-tasks.c
@@ -339,25 +339,27 @@ get_due_status (ECalModelTasks *model,
                } else {
                        ECalModelTasksDueStatus res;
                        ICalParameter *param;
-                       const gchar *tzid;
 
-                       if (!(param = i_cal_property_get_first_parameter (prop, I_CAL_TZID_PARAMETER))) {
-                               g_object_unref (due_tt);
-                               g_object_unref (prop);
-                               return E_CAL_MODEL_TASKS_DUE_FUTURE;
-                       }
+                       param = i_cal_property_get_first_parameter (prop, I_CAL_TZID_PARAMETER);
+
+                       if (param) {
+                               const gchar *tzid;
 
-                       /* Get the current time in the same timezone as the DUE date.*/
-                       tzid = i_cal_parameter_get_tzid (param);
-                       if (!e_cal_client_get_timezone_sync (comp_data->client, tzid, &zone, NULL, NULL))
-                               zone = NULL;
+                               /* Get the current time in the same timezone as the DUE date.*/
+                               tzid = i_cal_parameter_get_tzid (param);
+                               if (!e_cal_client_get_timezone_sync (comp_data->client, tzid, &zone, NULL, 
NULL))
+                                       zone = NULL;
+
+                               g_object_unref (param);
+                       }
 
-                       g_object_unref (param);
                        g_object_unref (prop);
 
-                       if (zone == NULL) {
-                               g_object_unref (due_tt);
-                               return E_CAL_MODEL_TASKS_DUE_FUTURE;
+                       if (!zone) {
+                               if (i_cal_time_is_utc (due_tt))
+                                       zone = i_cal_timezone_get_utc_timezone ();
+                               else
+                                       zone = e_cal_model_get_timezone (E_CAL_MODEL (model));
                        }
 
                        now_tt = i_cal_time_new_current_with_zone (zone);