/// <summary>
/// Start the stream
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <bool> Start(int id)
{
Stream stream;
// Stream does not exist
if ((stream = await _streamLogic.For(_user).Get(id)) == null)
{
return(false);
}
// Stream already started
if (_state.StreamItems.ContainsKey(id) && _state.StreamItems[id].State == StreamStatusEnum.Started)
{
return(false);
}
var streamRipperInstance = _streamRipperProxy.Proxy(new Uri(stream.Url));
streamRipperInstance.SongChangedEventHandlers += async(_, arg) =>
{
var songMetaData = arg.SongInfo.SongMetadata;
var track = $"{songMetaData.Artist}-{songMetaData.Title}";
var filename = $"{track}.mp3";
if (_filterSongLogic.ShouldInclude(arg.SongInfo.Stream, track, stream.Filter, out var duration))
{
var aggregatedSink = await _sinkService.ResolveStreamSink(stream);
// Upload the stream
await aggregatedSink(arg.SongInfo.Stream.Reset(), filename);
var extendedSongMetadata = await _songMetaDataExtract.Populate(ExtendedSongMetadata.Extend(
arg.SongInfo.SongMetadata, x =>
{
x.Duration = duration;
}));
// Invoke socket
await _hub.Clients.User(_user.Id.ToString()).SendAsync("download",
filename,
extendedSongMetadata,
arg.SongInfo.Stream.Reset().ConvertToBase64(),
new { stream.Name, stream.Id }
);
}
else
{
await _hub.Clients.User(_user.Id.ToString())
.SendAsync("log", $"Stream {id} with name {filename} skipped");
}
};
streamRipperInstance.StreamEndedEventHandlers += async(sender, arg) =>
{
await _hub.Clients.User(_user.Id.ToString()).SendAsync("log", $"Stream {id} ended");
_state.StreamItems[id].State = StreamStatusEnum.Stopped;
};
streamRipperInstance.StreamFailedHandlers += async(sender, arg) =>
{
await _hub.Clients.User(_user.Id.ToString()).SendAsync("log", $"Stream {id} failed", arg.Exception?.Message);
_state.StreamItems[id].State = StreamStatusEnum.Fail;
_logger.LogError($"Failed to start {id}", arg.Exception);
};
streamRipperInstance.StreamStartedEventHandlers += async(sender, arg) =>
{
await _hub.Clients.User(_user.Id.ToString()).SendAsync("log", $"Stream {id} started");
};
streamRipperInstance.StreamUpdateEventHandlers += async(sender, arg) =>
{
await _hub.Clients.User(_user.Id.ToString()).SendAsync("log",
$"Stream {id} updated with {arg.SongRawPartial.Length} bytes");
};
// Start the ripper
streamRipperInstance.Start();
// Add to the dictionary
_state.StreamItems[id] = new StreamItem
{
User = _user,
StreamRipper = streamRipperInstance,
State = StreamStatusEnum.Started
};
await _configLogic.UpdateGlobalConfig(c => new GlobalConfigViewModel(c)
{
StartedStreams = c.StartedStreams.Add(id)
});
return(true);
}
