fix clear and copy week

common/modules/event/models/timetable/TimeTableMonth.php

@@ -29,4 +29,16 @@ class TimeTableMonth
         ]);
     }
 
+    public function getAllEvents(){
+        $events = [];
+        foreach ($this->days as $day){
+            $events = array_merge($events,$day->events);
+        }
+        return $events;
+    }
+
+    public function getWeekByIndex($index) {
+        return array_values($this->weeks)[$index];
+    }
+
 }