API Anpassungen

* Abwesenenheiten für Kalender implementiert

public/js/pages/Calendar/View.js

@@ -1164,8 +1164,8 @@ if (typeof (EventSource) !== 'undefined') {
                     calendar.render();
                 }
 
-            } else if (event.change_type == '1' || !cevent) {
-                if (event.calendar_id == event.calendar_id) {
+            } else if ((event.change_type == '1' || !cevent) && event.change_type != '3') {
+                if (event.calendar_id == event.calendar_id && event.name) {
                     let info = calendar.addEvent({
                         id: event.cal_events_id,
                         title: event.name,
@@ -1192,7 +1192,7 @@ if (typeof (EventSource) !== 'undefined') {
                         busy: event.busy
                     });
 
-                } else {
+                } else if (event.name) {
                     let info = calendar.addEvent({
                         id: event.cal_events_id,
                         title: event.name,
@@ -1222,7 +1222,9 @@ if (typeof (EventSource) !== 'undefined') {
                 calendar.render();
             } else if (event.change_type == '3') {
                 let cevent = calendar.getEventById(event.cal_events_id);
-                cevent.remove();
+                if (cevent) {
+                    cevent.remove();
+                }
             }
 
         });