public IEnumerable <RedirectItem> FindByCurrentSite()
{
var redirects = HttpContext.Current.Cache.Get(_configurationSettings.CacheId) as List <RedirectItem>;
return(redirects != null?
redirects.Where(x => _siteContextRetriever.GetTargetHostName(x.Site) == _sitecoreContext.GetTargetHostName()) :
null);
}