[gnome-calendar] data-model: fix boudaries' checks

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

commit 5a75abb52eb074e9a4ed1f3a5a3a183c058b6a52
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Feb 18 03:09:32 2016 +0100

    data-model: fix boudaries' checks
    
    The end date is non-incluse, as defined by the iCalendar
    protocol.

 src/e-cal-data-model.c |   16 +++++-----------
 1 files changed, 5 insertions(+), 11 deletions(-)
---
diff --git a/src/e-cal-data-model.c b/src/e-cal-data-model.c
index 7e421fa..0295345 100644
--- a/src/e-cal-data-model.c
+++ b/src/e-cal-data-model.c
@@ -619,7 +619,7 @@ cal_data_model_foreach_subscriber_in_range (ECalDataModel *data_model,
 
                if ((in_range_start == (time_t) 0 && in_range_end == (time_t) 0) ||
                    (subs_data->range_start == (time_t) 0 && subs_data->range_end == (time_t) 0) ||
-                   (subs_data->range_start <= in_range_end && subs_data->range_end >= in_range_start))
+                   (subs_data->range_start < in_range_end && subs_data->range_end > in_range_start))
                        func (data_model, client, subs_data->subscriber, user_data);
        }
 
@@ -1083,9 +1083,6 @@ cal_data_model_instance_generated (ECalComponent *comp,
        cal_comp_get_instance_times (gid->client, e_cal_component_get_icalcomponent (comp),
                gid->zone, &instance_start, NULL, &instance_end, NULL, NULL);
 
-       if (instance_end > instance_start)
-               instance_end--;
-
        comp_data = component_data_new (comp, instance_start, instance_end, FALSE);
        *gid->pexpanded_recurrences = g_slist_prepend (*gid->pexpanded_recurrences, comp_data);
 
@@ -1239,9 +1236,6 @@ cal_data_model_process_modified_or_added_objects (ECalClientView *view,
 
                                cal_comp_get_instance_times (client, icomp, data_model->priv->zone, 
&instance_start, NULL, &instance_end, NULL, NULL);
 
-                               if (instance_end > instance_start)
-                                       instance_end--;
-
                                comp_data = component_data_new (comp, instance_start, instance_end,
                                        e_cal_util_component_is_instance (icomp));
 
@@ -1761,8 +1755,8 @@ cal_data_model_add_to_subscriber_except_its_range (ECalDataModel *data_model,
        /* subs_data should have set the old time range, which
           means only components which didn't fit into the old
           time range will be added */
-       if (!(instance_start <= subs_data->range_end &&
-           instance_end >= subs_data->range_start))
+       if (!(instance_start < subs_data->range_end &&
+           instance_end > subs_data->range_start))
                e_cal_data_model_subscriber_component_added (subs_data->subscriber, client, component);
 
        return TRUE;
@@ -1785,8 +1779,8 @@ cal_data_model_remove_from_subscriber_except_its_range (ECalDataModel *data_mode
        /* subs_data should have set the new time range, which
           means only components which don't fit into this new
           time range will be removed */
-       if (!(instance_start <= subs_data->range_end &&
-           instance_end >= subs_data->range_start))
+       if (!(instance_start < subs_data->range_end &&
+           instance_end > subs_data->range_start))
                e_cal_data_model_subscriber_component_removed (subs_data->subscriber, client, id->uid, 
id->rid);
 
        return TRUE;