public async Task <ActionResult> Refresh()
{
_cacheManager.RemoveCache("NewsItems");
await _fileUploader.SaveFileAsync(@"News/NewsItems.json", string.Empty);
return(RedirectToAction("Index", "Home"));
}
private async Task <bool> UpdateVisits(NewsModel model)
{
model.NumberOfVisits++;
var jsonString = JsonSerializer.Serialize(model);
var isSaved = await _fileUploader.SaveFileAsync($@"{newsItems}/{model.Id + ".json"}", jsonString)
.ConfigureAwait(false);
return(true);
}
public async void SetNewsItem(NewsModel newsModel)
{
var newsFromCache = _cache.Get <List <NewsModel> >("NewsItems");
if (newsFromCache.Any(m => m.Id == newsModel.Id))
{
newsFromCache.Remove(newsFromCache.First(n => n.Id == newsModel.Id));
}
newsFromCache.Add(newsModel);
newsFromCache = newsFromCache.OrderByDescending(n => n.DisplayDate).ToList();
await _fileUploader.SaveFileAsync("News/NewsItems.json", JsonConvert.SerializeObject(newsFromCache));
_cache.Set <List <NewsModel> >("NewsItems", newsFromCache);
}
private async Task <List <NewsModel> > GetNewsFromS3()
{
var newsFromCache = _cache.Get <List <NewsModel> >("NewsItems");
if (newsFromCache != null && newsFromCache.Any())
{
return(newsFromCache);
}
var newsItemsFromFile = await _fileUploader.GetFileFromS3(@"News/NewsItems.json"); // _fileUploader.ReadFile("NewsItems.json");
if (!string.IsNullOrWhiteSpace(newsItemsFromFile))
{
// await _fileUploader.UpdateS3ReaderCount(true);
var newsModel = JsonConvert.DeserializeObject <List <NewsModel> >(newsItemsFromFile);
var newsItemsFile = newsModel.OrderByDescending(n => n.DisplayDate).ToList();
_cache.Set("NewsItems", newsItemsFile);
return(newsItemsFile);
}
var newsCollection = new List <NewsModel>();
try
{
var req = new ListObjectsV2Request
{
BucketName = BucketName,
Prefix = "News/NewsItems"
};
var listing = await _s3Client.ListObjectsV2Async(req);
// await _fileUploader.UpdateS3ReaderCount(false);
foreach (var s3 in listing.S3Objects)
{
var responseBody = await _fileUploader.GetFileFromS3(s3.Key);
if (string.IsNullOrEmpty(responseBody))
{
continue;
}
var newsModel = JsonConvert.DeserializeObject <NewsModel>(responseBody);
newsModel.MainImg = newsModel.Images.FirstOrDefault();
newsModel.DisplayDate = newsModel.CreatedDate.AddDays(newsModel.TopNewsForDays);
if (newsModel.DisplayDate >= DateTime.Today)
{
newsModel.CreatedDate = DateTime.Today;
}
else
{
newsModel.DisplayDate = newsModel.CreatedDate;
}
newsCollection.Add(newsModel);
}
}
catch (Exception ex)
{
//ignore
}
var newsItems = newsCollection.OrderByDescending(n => n.DisplayDate).ToList();
_cache.Set("NewsItems", newsItems);
await _fileUploader.SaveFileAsync("News/NewsItems.json", JsonConvert.SerializeObject(newsItems));
return(_cache.Get <List <NewsModel> >("NewsItems"));
}