public async Task <string> GetUrlAsync(Guid id, Uri current, UrlProviderMode mode)
{
if (!current.IsAbsoluteUri)
{
throw new ArgumentException("Current url must be absolute.", "current");
}
// will not use cache if previewing
var route = await _contentCache.GetRouteByIdAsync(false, id);
if (route == null)
{
return(null);
}
return(route);
}
