static Stream HandleRequest (string request, Catalog catalog, long? rangeStart, long? rangeEnd)
{
LoggingService.LogInfo ("Handling request: {0}", request);
if (request.StartsWith (Messages.FetchTrack, StringComparison.Ordinal)) {
var message = Newtonsoft.Json.JsonConvert.DeserializeObject<FetchTrackMessage> (request.Substring (Messages.FetchTrack.Length));
var track = catalog.FindTrack (message.UUID);
var stream = new MemoryStream (File.ReadAllBytes (track.FilePath), true);
stream.Position = rangeStart ?? message.Offset;
stream.SetLength (rangeEnd ?? stream.Length);
return stream;
} else if (request.StartsWith (Messages.FetchAlbumArt)) {
var message = Newtonsoft.Json.JsonConvert.DeserializeObject<FetchAlbumArtMessage> (request.Substring (Messages.FetchAlbumArt.Length));
var track = catalog.First (t => t.AlbumArtist == message.AlbumArtist && t.Album == message.Album);
return File.OpenRead (track.AlbumArt);
} else if (request.StartsWith (Messages.FetchArtistArt)) {
var message = Newtonsoft.Json.JsonConvert.DeserializeObject<FetchArtistArtMessage> (request.Substring (Messages.FetchArtistArt.Length));
var track = catalog.First (t => t.AlbumArtist == message.AlbumArtist && !string.IsNullOrEmpty (t.AlbumArt));
return File.OpenRead (track.AlbumArt);
} else if (request.StartsWith (Messages.FetchCatalog)) {
var message = Newtonsoft.Json.JsonConvert.DeserializeObject<FetchCatalogMessage> (request.Substring (Messages.FetchCatalog.Length));
if (message?.UUID == catalog.UUID)
return new MemoryStream (new byte [0]);
return new MemoryStream (catalog.ToJson ());
} else if (request.StartsWith (Messages.FetchGzipCompressedCatalog)) {
var message = Newtonsoft.Json.JsonConvert.DeserializeObject<FetchCatalogMessage> (request.Substring (Messages.FetchGzipCompressedCatalog.Length));
if (message?.UUID == catalog.UUID)
return new MemoryStream (new byte [0]);
return new MemoryStream (catalog.ToGzipCompressedJson ());
} else {
return Stream.Null;
}
}