private List <HackerNewsModel> InsertInCached(HackerNewsModel model)
{
var list = GetAllCached();
if (list.Any(x => x.Id == model.Id))
{
return(list);
}
list.Add(model);
_cache.Set("HackerNews", list);
return(list);
}
public async Task <HackerNewsModel> GetNewsByIdAsync(int newsId)
{
using (HttpClient client = new HttpClient())
{
HackerNewsModel newsModel = new HackerNewsModel();
var response = await client.GetAsync(string.Format(Constants.ITEM_URL, newsId));
if (response.IsSuccessStatusCode)
{
var newsResponse = response.Content.ReadAsStringAsync().Result;
newsModel = JsonConvert.DeserializeObject <HackerNewsModel>(newsResponse);
}
return(newsModel);
}
}
public List <HackerNewsModel> GetPage(List <int> ids, int take, string search, CancellationToken cancellationToken)
{
List <HackerNewsModel> resultList = new List <HackerNewsModel>();
List <HackerNewsModel> cachedList = GetAllCached();
foreach (var id in ids)
{
if (cancellationToken.IsCancellationRequested)
{
return(null);
}
HackerNewsModel item = cachedList.FirstOrDefault(x => x.Id == id);
if (item == null)
{
item = this.GetById(id).Result;
if (item == null)
{
continue;
}
cachedList = InsertInCached(item);
}
if (String.IsNullOrEmpty(search))
{
resultList.Add(item);
}
else if (item.Title.ToLower().Contains(search.ToLower()))
{
resultList.Add(item);
}
if (resultList.Count == take)
{
break;
}
}
return(resultList);
}
