[evolution-exchange/gnome-2-28] Bug #601218 - Accepted meeting doesn't show attachments in calendar view

[Milan Crha <mcrha src gnome org>]

commit e557afad1c038ca98009bbf8eeda0cca5d61d853
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 10 14:30:53 2009 +0100

    Bug #601218 - Accepted meeting doesn't show attachments in calendar view

 calendar/e-cal-backend-exchange-calendar.c |   17 ++++++++
 calendar/e-cal-backend-exchange.c          |   60 ++++++++++++++++++++++++++++
 calendar/e-cal-backend-exchange.h          |    1 +
 3 files changed, 78 insertions(+), 0 deletions(-)
---
diff --git a/calendar/e-cal-backend-exchange-calendar.c b/calendar/e-cal-backend-exchange-calendar.c
index 5cabed2..6efb6a0 100644
--- a/calendar/e-cal-backend-exchange-calendar.c
+++ b/calendar/e-cal-backend-exchange-calendar.c
@@ -1662,6 +1662,14 @@ receive_objects (ECalBackendSync *backend, EDataCal *cal,
 				} else {
 					gchar *new_object = NULL;
 					CalObjModType mod = CALOBJ_MOD_ALL;
+					GSList *attachment_list;
+
+					attachment_list = receive_attachments (cbex, comp);
+					if (attachment_list) {
+						e_cal_component_set_attachment_list (comp, attachment_list);
+						g_slist_foreach (attachment_list, (GFunc) g_free, NULL);
+						g_slist_free (attachment_list);
+					}
 
 					if (e_cal_util_component_is_instance (subcomp))
 						mod = CALOBJ_MOD_THIS;
@@ -1686,6 +1694,15 @@ receive_objects (ECalBackendSync *backend, EDataCal *cal,
 				g_free (old_object);
 			} else if (!check_owner_partstatus_for_declined (backend, subcomp)) {
 				gchar *returned_uid, *object;
+				GSList *attachment_list;
+
+				attachment_list = receive_attachments (cbex, comp);
+				if (attachment_list) {
+					e_cal_component_set_attachment_list (comp, attachment_list);
+					g_slist_foreach (attachment_list, (GFunc) g_free, NULL);
+					g_slist_free (attachment_list);
+				}
+
 				d(printf ("object : %s .. not found in the cache\n", uid));
 				icalobj = (gchar *) icalcomponent_as_ical_string_r (subcomp);
 				d(printf ("Create a new object : %s\n", icalobj));
diff --git a/calendar/e-cal-backend-exchange.c b/calendar/e-cal-backend-exchange.c
index 031ded6..c803452 100644
--- a/calendar/e-cal-backend-exchange.c
+++ b/calendar/e-cal-backend-exchange.c
@@ -1897,6 +1897,66 @@ get_mime_type (const gchar *uri)
 	return mime_type;
 }
 
+/* copies attachments to the backend's attachment store and returns new list of attachment URLs */
+GSList *
+receive_attachments (ECalBackendExchange *cbex, ECalComponent *comp)
+{
+	GSList *attach_urls = NULL;
+	GSList *l, *attach_list = NULL;
+	const gchar *uid = NULL;
+
+	g_return_val_if_fail (cbex != NULL, NULL);
+	g_return_val_if_fail (comp != NULL, NULL);
+
+	if (!e_cal_component_has_attachments (comp))
+		return NULL;
+
+	e_cal_component_get_uid (comp, &uid);
+	g_return_val_if_fail (uid != NULL, NULL);
+
+	e_cal_component_get_attachment_list (comp, &attach_list);
+	for (l = attach_list; l; l = l->next) {
+		gchar *fname, *dest_url, *attach_file = NULL, *file_contents;
+		gint len = 0;
+
+		if (!strncmp ((gchar *)l->data, "file://", 7)) {
+			fname = g_filename_from_uri ((gchar *)l->data, NULL, NULL);
+			attach_file = fname;
+		} else {
+			const gchar *filename;
+
+			fname = (gchar *)(l->data);
+			filename = g_strrstr (fname, "/");
+			if (!filename) {
+				/*
+				 * some vcards contain e.g. ATTACH:CID:0fd601c67efb$ef66760d$_CDOEX
+				 * -> ignore instead of crashing
+				 */
+				continue;
+			}
+			attach_file = g_strdup_printf ("%s/%s-%s", cbex->priv->local_attachment_store, uid, filename + 1);
+		}
+
+		/* attach_file should be g_freed */
+		file_contents = get_attach_file_contents (fname, &len);
+		if (!file_contents) {
+			g_free (attach_file);
+			continue;
+		}
+
+		dest_url = save_attach_file (attach_file, file_contents, len);
+		g_free (attach_file);
+		g_free (file_contents);
+		if (!dest_url) {
+			continue;
+		}
+
+		attach_urls = g_slist_append (attach_urls, dest_url);
+	}
+
+	return attach_urls;
+}
+
 gchar *
 build_msg ( ECalBackendExchange *cbex, ECalComponent *comp, const gchar *subject, gchar **boundary)
 {
diff --git a/calendar/e-cal-backend-exchange.h b/calendar/e-cal-backend-exchange.h
index 22980d0..03f8450 100644
--- a/calendar/e-cal-backend-exchange.h
+++ b/calendar/e-cal-backend-exchange.h
@@ -104,6 +104,7 @@ void e_cal_backend_exchange_get_sender (ECalBackendSync *backend, ECalComponent
 gchar * e_cal_backend_exchange_get_sender_string (ECalBackendSync *backend, ECalComponent *comp);
 gboolean e_cal_backend_exchange_is_online (ECalBackendExchange *cbex);
 GSList * get_attachment (ECalBackendExchange *cbex, const gchar *uid, const gchar *body, gint len);
+GSList *receive_attachments (ECalBackendExchange *cbex, ECalComponent *comp);
 void process_delegated_cal_object (icalcomponent *icalcomp, const gchar *delegator_name,
 					const gchar *delegator_email, const gchar *delegatee_email);
 gchar * build_msg ( ECalBackendExchange *cbex, ECalComponent *comp, const gchar *subject, gchar **boundary);