[gnome-calendar/gbsneto/recurring-event-editing-fixes: 21/24] event-editor/dialog: Improve detection of MOD_ALL exclusion cases

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 102346534a0454a3985632d6ddbf71f4602bb1c1
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Mon Oct 17 14:03:41 2022 -0300

    event-editor/dialog: Improve detection of MOD_ALL exclusion cases

 src/gui/event-editor/gcal-event-editor-dialog.c | 18 +++++++-----------
 src/gui/event-editor/gcal-schedule-section.c    | 17 +++++++++++++++++
 src/gui/event-editor/gcal-schedule-section.h    |  2 ++
 3 files changed, 26 insertions(+), 11 deletions(-)
---
diff --git a/src/gui/event-editor/gcal-event-editor-dialog.c b/src/gui/event-editor/gcal-event-editor-dialog.c
index 3f83e7a1..6c3527db 100644
--- a/src/gui/event-editor/gcal-event-editor-dialog.c
+++ b/src/gui/event-editor/gcal-event-editor-dialog.c
@@ -331,7 +331,7 @@ on_done_button_clicked_cb (GtkButton             *button,
   GcalCalendar *selected_calendar;
   GcalCalendar *calendar;
   GcalManager *manager;
-  gboolean schedule_changed;
+  gboolean can_show_mod_all;
   gboolean was_recurrent;
   gint i;
 
@@ -341,7 +341,7 @@ on_done_button_clicked_cb (GtkButton             *button,
   if (gcal_calendar_is_read_only (calendar))
     GCAL_GOTO (out);
 
-  schedule_changed = FALSE;
+  can_show_mod_all = TRUE;
   if (!self->event_is_new)
     {
       gboolean anything_changed = FALSE;
@@ -352,18 +352,14 @@ on_done_button_clicked_cb (GtkButton             *button,
 
           section_changed = gcal_event_editor_section_changed (self->sections[i]);
           anything_changed |= section_changed;
-
-          if (self->sections[i] == self->schedule_section)
-            schedule_changed = section_changed;
         }
 
-      GCAL_TRACE_MSG ("Event %s changed: %d, schedule changed: %d",
-                      gcal_event_get_uid (self->event),
-                      anything_changed,
-                      schedule_changed);
-
       if (!anything_changed)
         goto out;
+
+      can_show_mod_all =
+        !gcal_schedule_section_recurrence_changed (GCAL_SCHEDULE_SECTION (self->schedule_section)) &&
+        !gcal_schedule_section_day_changed (GCAL_SCHEDULE_SECTION (self->schedule_section));
     }
 
   /*
@@ -399,7 +395,7 @@ on_done_button_clicked_cb (GtkButton             *button,
     {
       gcal_utils_ask_recurrence_modification_type (GTK_WIDGET (self),
                                                    self->event,
-                                                   !schedule_changed,
+                                                   can_show_mod_all,
                                                    on_ask_recurrence_response_save_cb,
                                                    self);
       return;
diff --git a/src/gui/event-editor/gcal-schedule-section.c b/src/gui/event-editor/gcal-schedule-section.c
index 93f5e029..2aed8e30 100644
--- a/src/gui/event-editor/gcal-schedule-section.c
+++ b/src/gui/event-editor/gcal-schedule-section.c
@@ -827,3 +827,20 @@ gcal_schedule_section_recurrence_changed (GcalScheduleSection *self)
 
   GCAL_RETURN (!gcal_recurrence_is_equal (recurrence, gcal_event_get_recurrence (self->event)));
 }
+
+gboolean
+gcal_schedule_section_day_changed (GcalScheduleSection *self)
+{
+  g_autoptr (GDateTime) start_date = NULL;
+  g_autoptr (GDateTime) end_date = NULL;
+
+  g_return_val_if_fail (GCAL_IS_SCHEDULE_SECTION (self), FALSE);
+
+  GCAL_ENTRY;
+
+  start_date = get_date_start (self);
+  end_date = get_date_end (self);
+
+  GCAL_RETURN (gcal_date_time_compare_date (start_date, gcal_event_get_date_start (self->event)) < 0 ||
+               gcal_date_time_compare_date (end_date, gcal_event_get_date_end (self->event)) > 0);
+}
diff --git a/src/gui/event-editor/gcal-schedule-section.h b/src/gui/event-editor/gcal-schedule-section.h
index ee676a82..def974c3 100644
--- a/src/gui/event-editor/gcal-schedule-section.h
+++ b/src/gui/event-editor/gcal-schedule-section.h
@@ -29,4 +29,6 @@ G_DECLARE_FINAL_TYPE (GcalScheduleSection, gcal_schedule_section, GCAL, SCHEDULE
 
 gboolean             gcal_schedule_section_recurrence_changed    (GcalScheduleSection *self);
 
+gboolean             gcal_schedule_section_day_changed           (GcalScheduleSection *self);
+
 G_END_DECLS