[evolution-ews] Calendar: Copy 'X-MICROSOFT-SKYPETEAMSMEETINGURL' into 'URL' property

[Milan Crha <mcrha src gnome org>]

commit 91fa4bf537042fcbdab39097a23230f5dd9b2404
Author: Milan Crha <mcrha redhat com>
Date:   Thu Nov 5 14:20:25 2020 +0100

    Calendar: Copy 'X-MICROSOFT-SKYPETEAMSMEETINGURL' into 'URL' property
    
    Let is be a read-only property, to have users a chance to access
    the URL easily. It's copied only if the 'URL' does not exist
    in the component yet.

 src/EWS/calendar/e-cal-backend-ews.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
---
diff --git a/src/EWS/calendar/e-cal-backend-ews.c b/src/EWS/calendar/e-cal-backend-ews.c
index acb6cd15..4ebda28f 100644
--- a/src/EWS/calendar/e-cal-backend-ews.c
+++ b/src/EWS/calendar/e-cal-backend-ews.c
@@ -949,6 +949,20 @@ ecb_ews_item_to_component_sync (ECalBackendEws *cbews,
                }
                g_free (xvalue);
 
+               /* Present the online meeting URL as the 'URL' property, thus it can be found in the UI */
+               xvalue = e_cal_util_component_dup_x_property (icomp, "X-MICROSOFT-SKYPETEAMSMEETINGURL");
+               if (xvalue && *xvalue) {
+                       prop = i_cal_component_get_first_property (icomp, I_CAL_URL_PROPERTY);
+                       if (prop) {
+                               /* Do not overwrite existing property. */
+                               g_object_unref (prop);
+                       } else {
+                               prop = i_cal_property_new_url (xvalue);
+                               i_cal_component_take_property (icomp, prop);
+                       }
+               }
+               g_free (xvalue);
+
                if (e_cal_util_component_has_property (icomp, I_CAL_RECURRENCEID_PROPERTY)) {
                        /* Exchange sets RRULE even on the children, which is broken */
                        e_cal_util_component_remove_property_by_kind (icomp, I_CAL_RRULE_PROPERTY, TRUE);