public async Task <IActionResult> HackerNewsArticles([FromQuery] int pageIndex, [FromQuery] int pageSize, string filter)
{
_memoryCache.TryGetValue("values", out string stringEntry);
var cacheEntry = string.IsNullOrEmpty(stringEntry) ? null : JsonConvert.DeserializeObject <List <Item> >(stringEntry);
var results = await _service.ReconcileArticleIdsAsync(cacheEntry ?? new List <Item>());
_memoryCache.Set("values", JsonConvert.SerializeObject(results));
var itemsAfterFilter = await _service.FilterItemsAsync(results.ToList(), filter);
if (itemsAfterFilter == null)
{
return(NoContent());
}
return(Ok(new ItemResults
{
Items = itemsAfterFilter
.Skip(pageSize * pageIndex)
.Take(pageSize),
TotalCount = itemsAfterFilter?.Count() ?? 0
}));
}
