public async Task <IActionResult> Atom([FromServices] IBlogCache cache)
        {
            return(await cache.GetOrCreateAsync(CacheDivision.General, "atom", async entry =>
            {
                entry.SlidingExpiration = TimeSpan.FromHours(1);

                var xml = await _syndicationService.GetAtomData();
                return Content(xml, "text/xml");
            }));
        }