/**
  * gets deleted posts,question,answers
  * @param  array $filter
  * @return array|bool
  */
 public function deleted($filter = [])
 {
     try {
         if (isset($filter['last_updated'])) {
             $filter['deleted_at'] = \Carbon::createFromTimestamp($filter['last_updated'])->toDateTimeString();
         }
         $data['posts'] = $this->post->deleted($filter);
         $data['categories'] = $this->category->deleted($filter);
         return $data;
     } catch (\Exception $e) {
         $this->logger->error($e);
         return false;
     }
     return false;
 }