public function GetOperationCount($Operation) {
      if ($Operation == 'edits')
         $Operation = array('edit', 'delete');
      else
         $Operation = explode(',', $Operation);
      
      sort($Operation);
      array_map('ucfirst', $Operation);
      $CacheKey = 'Moderation.LogCount.'.implode('.', $Operation);
      $Count = Gdn::Cache()->Get($CacheKey);
      if ($Count === Gdn_Cache::CACHEOP_FAILURE) {
         $Count = $this->GetCountWhere(array('Operation' => $Operation));
         Gdn::Cache()->Store($CacheKey, $Count, array(
            Gdn_Cache::FEATURE_EXPIRY  => 300 // 5 minutes
         ));
      }
      return $Count;
   }