//
// GET: /Home/
public async Task <IActionResult> Index(
[FromServices] IMusicStore musicStore,
[FromServices] IMemoryCache cache)
{
// Get most popular albums
var cacheKey = "topselling";
List <Album> albums;
if (!cache.TryGetValue(cacheKey, out albums))
{
albums = await musicStore.GetTopSellingAlbumsAsync(6);
if (albums != null && albums.Count > 0)
{
if (_appSettings.CacheDbResults)
{
// Refresh it every 10 minutes.
// Let this be the last item to be removed by cache if cache GC kicks in.
cache.Set(
cacheKey,
albums,
new MemoryCacheEntryOptions()
.SetAbsoluteExpiration(TimeSpan.FromMinutes(10))
.SetPriority(CacheItemPriority.High));
}
}
}
return(View(albums));
}
protected override async Task <List <Model.Album> > RunAsync()
{
var top = CheckCache();
if (top != null)
{
_logger.LogInformation("TopAlbum returning from cache!");
return(top);
}
top = await _storeService.GetTopSellingAlbumsAsync(_count);
CacheResults(top);
_logger.LogInformation("TopAlbum returned from store!");
return(top);
}