public async Task <DownloadedData> GetAsync(string url, CancellationToken token, TimeSpan?duration = null, string key = null)
{
string filename = string.IsNullOrWhiteSpace(key) ? _md5Helper.MD5(url) : _md5Helper.MD5(key);
string basePath = await _diskCache.GetBasePathAsync().ConfigureAwait(false);
string filepath = basePath == null ? filename : Path.Combine(basePath, filename);
byte[] data = await _diskCache.TryGetAsync(filename, token).ConfigureAwait(false);
if (data != null)
{
return new DownloadedData(filepath, data)
{
RetrievedFromDiskCache = true
}
}
;
using (var memoryStream = await DownloadAndCacheAsync(url, filename, filepath, token, duration).ConfigureAwait(false))
{
return(new DownloadedData(filepath, memoryStream == null ? null : memoryStream.ToArray()));
}
}
