WebDAV Notes: Fallback to derive component summary from description

When the component summary is not received, derive it from the first
line of the description, thus the summary is not left empty.

Related to https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/461

1 files changed, 25 insertions, 1 deletions

diff --git a/src/calendar/backends/webdav-notes/e-cal-backend-webdav-notes.c b/src/calendar/backends/webdav-notes/e-cal-backend-webdav-notes.c
index 83e04ed3d..1220e6bac 100644
--- a/src/calendar/backends/webdav-notes/e-cal-backend-webdav-notes.c
+++ b/src/calendar/backends/webdav-notes/e-cal-backend-webdav-notes.c
@@ -458,9 +458,33 @@ ecb_webdav_notes_new_icomp (glong creation_date,
 		i_cal_component_set_summary (icomp, summary);
 	}
 
-	if (description)
+	if (description && *description) {
+		const gchar *current_summary;
+
 		i_cal_component_set_description (icomp, description);
 
+		current_summary = i_cal_component_get_summary (icomp);
+
+		if (!current_summary || !*current_summary) {
+			const gchar *pos;
+
+			pos = strchr (description, '\n');
+			if (pos && pos > description && pos[-1] == '\r')
+				pos--;
+
+			if (!pos) {
+				/* single line description */
+				i_cal_component_set_summary (icomp, description);
+			} else if (pos > description) {
+				gchar *tmp;
+
+				tmp = g_strndup (description, pos - description);
+				i_cal_component_set_summary (icomp, tmp);
+				g_free (tmp);
+			}
+		}
+	}
+
 	e_cal_util_component_set_x_property (icomp, E_WEBDAV_NOTES_X_ETAG, revision);
 
 	return icomp;