[evolution-data-server] [File Calendar] Include detailed information in Free/Busy response

[Milan Crha <mcrha src gnome org>]

commit 7f1a111c71a06c351ee8be3bd015ecd3cb922e98
Author: Milan Crha <mcrha redhat com>
Date:   Tue Nov 21 17:08:49 2017 +0100

    [File Calendar] Include detailed information in Free/Busy response
    
    Let the file calendars return also X-SUMMARY and X-LOCATION information
    in the Free/Busy response, thus the UI part can show what the occupied time
    is for.

 src/calendar/backends/file/e-cal-backend-file.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/calendar/backends/file/e-cal-backend-file.c b/src/calendar/backends/file/e-cal-backend-file.c
index 9ab3b8c..33de7bf 100644
--- a/src/calendar/backends/file/e-cal-backend-file.c
+++ b/src/calendar/backends/file/e-cal-backend-file.c
@@ -1969,6 +1969,7 @@ free_busy_instance (ECalComponent *comp,
        icalparameter *param;
        struct icalperiodtype ipt;
        icaltimezone *utc_zone;
+       const gchar *summary, *location;
 
        utc_zone = icaltimezone_get_utc_timezone ();
 
@@ -1983,6 +1984,13 @@ free_busy_instance (ECalComponent *comp,
        param = icalparameter_new_fbtype (ICAL_FBTYPE_BUSY);
        icalproperty_add_parameter (prop, param);
 
+       summary = icalcomponent_get_summary (e_cal_component_get_icalcomponent (comp));
+       if (summary && *summary)
+               icalproperty_set_parameter_from_string (prop, "X-SUMMARY", summary);
+       location = icalcomponent_get_location (e_cal_component_get_icalcomponent (comp));
+       if (location && *location)
+               icalproperty_set_parameter_from_string (prop, "X-LOCATION", location);
+
        icalcomponent_add_property (vfb, prop);
 
        return TRUE;