public async Task <IEnumerable <int> > GetTopArticleIdsAsync()
{
var cacheKey = "HackerNewsServiceCaching.GetTopStoriesAsync";
if (_memoryCache.TryGetValue <IEnumerable <int> >(cacheKey, out var storyTask))
{
return(storyTask);
}
else
{
var topStories = await _innerHackerNewsService.GetTopArticleIdsAsync();
_memoryCache.Set(cacheKey, topStories, TimeSpan.FromMinutes(10));
return(topStories);
}
}