[evolution] I#1712 - Tasks: Correct overdue calculation for DATE value type

[Milan Crha <mcrha src gnome org>]

commit 46fb2d9312cfc3683cecac0550996abb71fc7a8d
Author: Milan Crha <mcrha redhat com>
Date:   Wed Nov 24 17:00:41 2021 +0100

    I#1712 - Tasks: Correct overdue calculation for DATE value type
    
    Closes https://gitlab.gnome.org/GNOME/evolution/-/issues/1712

 src/calendar/gui/e-cal-model-tasks.c | 4 +---
 src/calendar/gui/e-to-do-pane.c      | 5 +++--
 2 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/src/calendar/gui/e-cal-model-tasks.c b/src/calendar/gui/e-cal-model-tasks.c
index 81450cf6d6..322f7ed5ea 100644
--- a/src/calendar/gui/e-cal-model-tasks.c
+++ b/src/calendar/gui/e-cal-model-tasks.c
@@ -332,10 +332,8 @@ get_due_status (ECalModelTasks *model,
                        g_object_unref (due_tt);
                        g_object_unref (prop);
 
-                       if (cmp < 0)
+                       if (cmp <= 0)
                                return E_CAL_MODEL_TASKS_DUE_OVERDUE;
-                       else if (cmp == 0)
-                               return E_CAL_MODEL_TASKS_DUE_TODAY;
                        else
                                return E_CAL_MODEL_TASKS_DUE_FUTURE;
                } else {
diff --git a/src/calendar/gui/e-to-do-pane.c b/src/calendar/gui/e-to-do-pane.c
index a1faffd69e..e537aeccd6 100644
--- a/src/calendar/gui/e-to-do-pane.c
+++ b/src/calendar/gui/e-to-do-pane.c
@@ -222,7 +222,8 @@ etdp_date_time_to_string (const ECalComponentDateTime *dt,
 
        etdp_itt_to_zone (*out_itt, e_cal_component_datetime_get_tzid (dt), client, default_zone);
 
-       is_overdue = is_task && etdp_create_date_mark (*out_itt) < today_date_mark;
+       is_overdue = is_task && (etdp_create_date_mark (*out_itt) < today_date_mark ||
+               (i_cal_time_is_date (*out_itt) && etdp_create_date_mark (*out_itt) <= today_date_mark));
 
        if (i_cal_time_is_date (*out_itt) && !is_overdue)
                return NULL;
@@ -903,7 +904,7 @@ etdp_get_comp_colors (EToDoPane *to_do_pane,
 
                        now = i_cal_time_new_current_with_zone (default_zone);
 
-                       if ((is_date && i_cal_time_compare_date_only (itt, now) < 0) ||
+                       if ((is_date && i_cal_time_compare_date_only (itt, now) <= 0) ||
                            (!is_date && i_cal_time_compare (itt, now) <= 0)) {
                                bgcolor = to_do_pane->priv->overdue_color;
                        } else if (out_nearest_due) {