/**
  * @param $id
  * @return mixed
  */
 public function destroy($id)
 {
     $activity = $this->activityManager->getActivityData($id);
     if (Gate::denies('ownership', $activity)) {
         return redirect()->route('activity.index')->withResponse($this->getNoPrivilegesMessage());
     }
     $this->authorize('delete_activity', $activity);
     $response = $this->activityManager->destroy($activity) ? ['type' => 'success', 'code' => ['deleted', ['name' => 'Activity']]] : ['type' => 'danger', 'code' => ['delete_failed', ['name' => 'Activity']]];
     return redirect()->back()->withResponse($response);
 }