private async Task <MemoryStream> DownloadStreamAndCacheAsync(string url, string filename, string filepath, CancellationToken token, TimeSpan?duration, CacheType?cacheType)
{
var responseBytes = await DownloadAsync(url, filename, token).ConfigureAwait(false);
if (responseBytes == null)
{
return(null);
}
var memoryStream = new MemoryStream(responseBytes, false);
memoryStream.Position = 0;
var allowDiskCaching = AllowDiskCaching(cacheType);
if (allowDiskCaching)
{
await _diskCache.AddToSavingQueueIfNotExistsAsync(filename, responseBytes, duration ?? new TimeSpan(30, 0, 0, 0)); // by default we cache data 30 days)
}
return(memoryStream);
}