public FileContentResult Get(string imageName)
{
byte[] image = _loadFile.GetImage(imageName);
if (image == null)
{
image = _restClient.GetFile(imageName);
_loadFile.CacheSet(image, imageName);
}
return(new FileContentResult(image, "image/jpeg"));
}
protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var cacheKey = $"image_{DateTime.UtcNow:yyyy_mm_dd}";
var image = _cache.Get <byte[]>(cacheKey);
if (image == null)
{
image = _restClient.GetFile();
var memoryCacheEntry = new MemoryCacheEntryOptions();
memoryCacheEntry.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(2);
_cache.Set <byte[]>(cacheKey, image, memoryCacheEntry);
}
await Task.Delay(TimeSpan.FromMinutes(2));
}
}
