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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
*
* Authors:
* David Trowbridge <trowbrds@cs.colorado.edu>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <time.h>
#include <glib/gi18n.h>
#include <libedataserver/e-source.h>
#include <libedataserver/e-source-list.h>
#include <libedataserverui/e-client-utils.h>
#include <libecal/e-cal-client.h>
#include <libecal/e-cal-util.h>
#include <libecal/e-cal-time-util.h>
#include "publish-format-fb.h"
static void
free_busy_data_cb (ECalClient *client,
const GSList *free_busy_ecalcomps,
GSList **pobjects)
{
const GSList *iter;
g_return_if_fail (pobjects != NULL);
for (iter = free_busy_ecalcomps; iter != NULL; iter = iter->next) {
ECalComponent *comp = iter->data;
if (comp)
*pobjects = g_slist_prepend (*pobjects, g_object_ref (comp));
}
}
static gboolean
write_calendar (const gchar *uid,
ESourceList *source_list,
GOutputStream *stream,
gint dur_type,
gint dur_value,
GError **error)
{
ESource *source;
ECalClient *client = NULL;
GSList *objects = NULL;
icaltimezone *utc;
time_t start = time (NULL), end;
icalcomponent *top_level;
gchar *email = NULL;
GSList *users = NULL;
gboolean res = FALSE;
utc = icaltimezone_get_utc_timezone ();
start = time_day_begin_with_zone (start, utc);
switch (dur_type) {
case FB_DURATION_DAYS:
end = time_add_day_with_zone (start, dur_value, utc);
break;
default:
case FB_DURATION_WEEKS:
end = time_add_week_with_zone (start, dur_value, utc);
break;
case FB_DURATION_MONTHS:
end = time_add_month_with_zone (start, dur_value, utc);
break;
}
source = e_source_list_peek_source_by_uid (source_list, uid);
if (source)
client = e_cal_client_new (source, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, error);
if (!client) {
if (error && !*error)
*error = g_error_new (E_CAL_CLIENT_ERROR, E_CAL_CLIENT_ERROR_NO_SUCH_CALENDAR, _("Could not publish calendar: Calendar backend no longer exists"));
return FALSE;
}
g_signal_connect (
client, "authenticate",
G_CALLBACK (e_client_utils_authenticate_handler), NULL);
if (!e_client_open_sync (E_CLIENT (client), TRUE, NULL, error)) {
g_object_unref (client);
return FALSE;
}
if (e_client_get_backend_property_sync (E_CLIENT (client), CAL_BACKEND_PROPERTY_CAL_EMAIL_ADDRESS, &email, NULL, NULL)) {
if (email && *email)
users = g_slist_append (users, email);
}
top_level = e_cal_util_new_top_level ();
g_signal_connect (
client, "free-busy-data",
G_CALLBACK (free_busy_data_cb), &objects);
if (e_cal_client_get_free_busy_sync (client, start, end, users, NULL, error)) {
gchar *ical_string;
GSList *iter;
for (iter = objects; iter; iter = iter->next) {
ECalComponent *comp = iter->data;
icalcomponent *icalcomp = icalcomponent_new_clone (e_cal_component_get_icalcomponent (comp));
icalcomponent_add_component (top_level, icalcomp);
}
ical_string = icalcomponent_as_ical_string_r (top_level);
res = g_output_stream_write_all (stream, ical_string, strlen (ical_string), NULL, NULL, error);
e_cal_client_free_ecalcomp_slist (objects);
g_free (ical_string);
}
if (users)
g_slist_free (users);
g_free (email);
g_object_unref (client);
icalcomponent_free (top_level);
return res;
}
void
publish_calendar_as_fb (GOutputStream *stream,
EPublishUri *uri,
GError **error)
{
GSList *l;
ESourceList *source_list;
if (!e_cal_client_get_sources (&source_list, E_CAL_CLIENT_SOURCE_TYPE_EVENTS, error))
return;
/* events */
l = uri->events;
while (l) {
gchar *uid = l->data;
if (!write_calendar (uid, source_list, stream, uri->fb_duration_type, uri->fb_duration_value, error))
break;
l = g_slist_next (l);
}
g_object_unref (source_list);
}
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