private async Task <MbzUrl> GetMbzUrl(bool forceMusicBrainzProper = false)
{
if (_chosenUrl == null || _mbzUrls == null || (DateTime.UtcNow.Ticks - _lastMbzUrlQueryTicks) > TimeSpan.FromHours(12).Ticks)
{
var urls = await RefreshMzbUrls(forceMusicBrainzProper).ConfigureAwait(false);
if (urls.Count > 1)
{
_chosenUrl = urls[new Random().Next(0, urls.Count)];
}
else
{
_chosenUrl = urls[0];
}
}
return(_chosenUrl);
}
/// <summary>
/// Gets the music brainz response.
/// </summary>
internal async Task <HttpResponseInfo> GetMusicBrainzResponse(string url, bool isSearch, bool forceMusicBrainzProper, CancellationToken cancellationToken)
{
var urlInfo = new MbzUrl(MusicBrainzBaseUrl, 1000);
var throttleMs = urlInfo.throttleMs;
if (throttleMs > 0)
{
// MusicBrainz is extremely adamant about limiting to one request per second
_logger.LogDebug("Throttling MusicBrainz by {0}ms", throttleMs.ToString(CultureInfo.InvariantCulture));
await Task.Delay(throttleMs, cancellationToken).ConfigureAwait(false);
}
url = urlInfo.url.TrimEnd('/') + url;
var options = new HttpRequestOptions
{
Url = url,
CancellationToken = cancellationToken,
UserAgent = _appHost.Name + "/" + _appHost.ApplicationVersion,
BufferContent = throttleMs > 0
};
return(await _httpClient.SendAsync(options, "GET").ConfigureAwait(false));
}
