public DiscogsTrackDataSearch(DiscogsTrackDataSource dataSource, string query, int tracksPerPage, string format)
{
HasMoreResults = true;
Source = dataSource;
SearchQuery = query;
_perPage = tracksPerPage;
_nextPage = 1;
_format = format;
_results = new List <TrackData>();
InitRoles();
LoadMoreResults();
}
public DiscogsTrackDataSearch(DiscogsTrackDataSource source, Uri releaseUri)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (releaseUri == null)
{
throw new ArgumentNullException("releaseUri");
}
this.SearchQuery = releaseUri.AbsoluteUri;
this.HasMoreResults = false;
this.Source = source;
//Beatport.com URL regex
System.Text.RegularExpressions.Regex releaseURIRegex = new System.Text.RegularExpressions.Regex(@"^http://www.discogs.com/(.*)/release/(\d*)$");
var uriMatch = releaseURIRegex.Match(releaseUri.AbsoluteUri);
if (uriMatch.Success)
{
int releaseId = System.Convert.ToInt32(uriMatch.Groups[2].Value);
Dictionary <string, dynamic> releaseData = GetReleaseData(releaseId);
IEnumerable <TrackData> releaseTracks = ParseReleaseData(releaseData, this.Source.Host);
_results = new List <TrackData>(releaseTracks);
}
else
{
throw new ArgumentException("Invalid Discogs release URI format", "searchUri");
}
}
public Task <bool> BufferAsync(ITrackDataSource source, CancellationToken cancellationToken)
{
_cancellationToken = cancellationToken;
var bufferingCompleted = new TaskCompletionSource <bool>(TaskCreationOptions.RunContinuationsAsynchronously);
Task.Run(async() =>
{
var output = ArrayPool <byte> .Shared.Rent(38400);
try
{
int read;
while (!Stopped && (read = source.Read(output)) > 0)
{
while (!Stopped && FreeSpace <= read)
{
bufferingCompleted.TrySetResult(true);
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
if (Stopped)
{
break;
}
Write(output, read);
}
}
finally
{
ArrayPool <byte> .Shared.Return(output);
bufferingCompleted.TrySetResult(true);
}
}, cancellationToken);
return(bufferingCompleted.Task);
}