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Diffstat (limited to 'calendar/pcs/cal-backend.c')
-rw-r--r--calendar/pcs/cal-backend.c135
1 files changed, 114 insertions, 21 deletions
diff --git a/calendar/pcs/cal-backend.c b/calendar/pcs/cal-backend.c
index 2d8807d08a..893a9aab1f 100644
--- a/calendar/pcs/cal-backend.c
+++ b/calendar/pcs/cal-backend.c
@@ -1,3 +1,4 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar backend
*
* Copyright (C) 2000 Helix Code, Inc.
@@ -52,6 +53,9 @@ typedef struct {
/* Whether a calendar has been loaded */
guint loaded : 1;
+
+ /* Do we need to sync to permanent storage? */
+ gboolean dirty : 1;
} CalBackendPrivate;
@@ -90,7 +94,8 @@ cal_backend_get_type (void)
(GtkClassInitFunc) NULL
};
- cal_backend_type = gtk_type_unique (GTK_TYPE_OBJECT, &cal_backend_info);
+ cal_backend_type =
+ gtk_type_unique (GTK_TYPE_OBJECT, &cal_backend_info);
}
return cal_backend_type;
@@ -122,11 +127,82 @@ cal_backend_init (CalBackend *backend)
priv->format = CAL_VCAL;
}
+static void save_to_vcal (CalBackend *backend, char *fname)
+{
+ FILE *fp;
+ CalBackendPrivate *priv = backend->priv;
+
+ if (g_file_exists (fname)){
+ char *backup_name = g_strconcat (fname, "~", NULL);
+
+ if (g_file_exists (backup_name)){
+ unlink (backup_name);
+ }
+ rename (fname, backup_name);
+ g_free (backup_name);
+ }
+
+ fp = fopen(fname,"w");
+ if (fp) {
+ GList *l;
+
+ for (l = priv->events; l; l = l->next) {
+ iCalObject *ical = l->data;
+ VObject *vobject = ical_object_to_vobject (ical);
+ writeVObject(fp, vobject);
+ cleanVObject (vobject);
+ }
+ for (l = priv->todos; l; l = l->next) {
+ iCalObject *ical = l->data;
+ VObject *vobject = ical_object_to_vobject (ical);
+ writeVObject(fp, vobject);
+ cleanVObject (vobject);
+ }
+ for (l = priv->journals; l; l = l->next) {
+ iCalObject *ical = l->data;
+ VObject *vobject = ical_object_to_vobject (ical);
+ writeVObject(fp, vobject);
+ cleanVObject (vobject);
+ }
+
+ fclose(fp);
+ } /*else {
+ report bad problem FIX ME;
+ }*/
+
+ cleanStrTbl ();
+}
+
+
/* Saves a calendar */
static void
save (CalBackend *backend)
{
- /* FIXME */
+ char *str_uri;
+ CalBackendPrivate *priv = backend->priv;
+
+ str_uri = gnome_vfs_uri_to_string (priv->uri,
+ (GNOME_VFS_URI_HIDE_USER_NAME
+ | GNOME_VFS_URI_HIDE_PASSWORD
+ | GNOME_VFS_URI_HIDE_HOST_NAME
+ | GNOME_VFS_URI_HIDE_HOST_PORT
+ | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD));
+
+ if (! priv->dirty)
+ return;
+
+ switch (priv->format) {
+ case CAL_VCAL:
+ save_to_vcal (backend, str_uri);
+ break;
+ case CAL_ICAL:
+ /*icalendar_calendar_save (backend, str_uri);*/
+ /* FIX ME */
+ break;
+ default:
+ /* FIX ME log */
+ break;
+ }
}
/* g_hash_table_foreach() callback to destroy an iCalObject */
@@ -229,7 +305,8 @@ ensure_uid (iCalObject *ico)
/* Is this good enough? */
- buf = g_strdup_printf ("Evolution-Tlacuache-%d-%ld-%u", (int) getpid(), str_time, seqno++);
+ buf = g_strdup_printf ("Evolution-Tlacuache-%d-%ld-%u",
+ (int) getpid(), str_time, seqno++);
ico->uid = buf;
return TRUE;
@@ -259,6 +336,8 @@ add_object (CalBackend *backend, iCalObject *ico)
g_hash_table_insert (priv->object_hash, ico->uid, ico);
+ priv->dirty = TRUE;
+
switch (ico->type) {
case ICAL_EVENT:
priv->events = g_list_prepend (priv->events, ico);
@@ -288,6 +367,8 @@ add_object (CalBackend *backend, iCalObject *ico)
/* FIXME: gnomecal old code */
ico->last_mod = time (NULL);
#endif
+
+ save (backend);
}
/* Removes an object from the backend's hash and lists. Does not perform
@@ -304,6 +385,8 @@ remove_object (CalBackend *backend, iCalObject *ico)
g_assert (ico->uid != NULL);
g_hash_table_remove (priv->object_hash, ico->uid);
+ priv->dirty = TRUE;
+
switch (ico->type) {
case ICAL_EVENT:
list = &priv->events;
@@ -331,6 +414,7 @@ remove_object (CalBackend *backend, iCalObject *ico)
g_list_free_1 (l);
ical_object_destroy (ico);
+ save (backend);
}
/* Load a calendar from a VObject */
@@ -471,8 +555,8 @@ cal_destroy_cb (GtkObject *object, gpointer data)
* @backend: A calendar backend.
* @cal: A calendar client interface object.
*
- * Adds a calendar client interface object to a calendar @backend. The calendar
- * backend must already have a loaded calendar.
+ * Adds a calendar client interface object to a calendar @backend.
+ * The calendar backend must already have a loaded calendar.
**/
void
cal_backend_add_cal (CalBackend *backend, Cal *cal)
@@ -549,11 +633,11 @@ icalendar_calendar_load (CalBackend * cal, char* fname)
if (ical->type != ICAL_EVENT &&
ical->type != ICAL_TODO &&
ical->type != ICAL_JOURNAL) {
- g_warning ("Skipping unsupported iCalendar component.");
+ g_warning ("Skipping unsupported iCalendar component.");
} else
add_object (cal, ical);
subcomp = icalcomponent_get_next_component (comp,
- ICAL_ANY_COMPONENT);
+ ICAL_ANY_COMPONENT);
}
}
@@ -614,7 +698,7 @@ cal_backend_load (CalBackend *backend, GnomeVFSURI *uri)
char *str_uri;
g_return_val_if_fail (backend != NULL, CAL_BACKEND_LOAD_ERROR);
- g_return_val_if_fail (IS_CAL_BACKEND (backend), CAL_BACKEND_LOAD_ERROR);
+ g_return_val_if_fail (IS_CAL_BACKEND (backend),CAL_BACKEND_LOAD_ERROR);
priv = backend->priv;
g_return_val_if_fail (!priv->loaded, CAL_BACKEND_LOAD_ERROR);
@@ -626,12 +710,11 @@ cal_backend_load (CalBackend *backend, GnomeVFSURI *uri)
*/
str_uri = gnome_vfs_uri_to_string (uri,
- (GNOME_VFS_URI_HIDE_USER_NAME
- | GNOME_VFS_URI_HIDE_PASSWORD
- | GNOME_VFS_URI_HIDE_HOST_NAME
- | GNOME_VFS_URI_HIDE_HOST_PORT
- | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD));
-
+ (GNOME_VFS_URI_HIDE_USER_NAME
+ | GNOME_VFS_URI_HIDE_PASSWORD
+ | GNOME_VFS_URI_HIDE_HOST_NAME
+ | GNOME_VFS_URI_HIDE_HOST_PORT
+ | GNOME_VFS_URI_HIDE_TOPLEVEL_METHOD));
/* look at the extension on the filename and decide
if this is a ical or vcal file */
@@ -650,7 +733,7 @@ cal_backend_load (CalBackend *backend, GnomeVFSURI *uri)
load_from_vobject (backend, vobject);
cleanVObject (vobject);
cleanStrTbl ();
- break;
+ break;
case CAL_ICAL:
icalendar_calendar_load (backend, str_uri);
break;
@@ -692,12 +775,16 @@ cal_backend_create (CalBackend *backend, GnomeVFSURI *uri)
g_assert (priv->object_hash == NULL);
priv->object_hash = g_hash_table_new (g_str_hash, g_str_equal);
+ priv->dirty = TRUE;
+
/* Done */
gnome_vfs_uri_ref (uri);
priv->uri = uri;
priv->loaded = TRUE;
+
+ save (backend);
}
/**
@@ -886,10 +973,12 @@ cal_backend_get_events_in_range (CalBackend *backend, time_t start, time_t end)
iCalObject *ico;
ico = l->data;
- ical_object_generate_events (ico, start, end, build_event_list, &c);
+ ical_object_generate_events (ico, start, end,
+ build_event_list, &c);
}
c.event_list = g_list_sort (c.event_list, compare_instance_func);
+
return c.event_list;
}
@@ -933,14 +1022,15 @@ notify_remove (CalBackend *backend, const char *uid)
* @uid: Unique identifier of the object to update.
* @calobj: String representation of the new calendar object.
*
- * Updates an object in a calendar backend. It will replace any existing object
- * that has the same UID as the specified one. The backend will in turn notify
- * all of its clients about the change.
+ * Updates an object in a calendar backend. It will replace any existing
+ * object that has the same UID as the specified one. The backend will in
+ * turn notify all of its clients about the change.
*
* Return value: TRUE on success, FALSE on being passed an invalid object.
**/
gboolean
-cal_backend_update_object (CalBackend *backend, const char *uid, const char *calobj)
+cal_backend_update_object (CalBackend *backend, const char *uid,
+ const char *calobj)
{
CalBackendPrivate *priv;
iCalObject *ico, *new_ico;
@@ -1008,8 +1098,11 @@ cal_backend_remove_object (CalBackend *backend, const char *uid)
remove_object (backend, ico);
- /* FIXME: do the notification asynchronously */
+ priv->dirty = TRUE;
+ save (backend);
+ /* FIXME: do the notification asynchronously */
notify_remove (backend, uid);
+
return TRUE;
}