public static async Task EjectAsync(
this LavaNode node,
EmbedHelper embedHelper,
IGuild guild,
SocketCommandContext context = null)
{
if (context == null)
{
return;
}
if (!node.TryGetPlayer(guild, out var player))
{
return;
}
player.Queue.Clear();
await node.LeaveAsync(player.VoiceChannel);
if (context != null && !context.Guild.TextChannels.Where(x => x.Id == Program.BotConfig.ChannelId).Any())
{
return;
}
var embed = await EmbedHelper.BuildDefaultEmbed();
await Program.BotConfig.BotEmbedMessage.ModifyAsync(x => { x.Content = AudioHelper.NoSongsInQueue; x.Embed = embed; });
}
public static async Task NextTrackAsync(
this LavaPlayer player,
EmbedHelper embedHelper,
SocketCommandContext context = null)
{
if (player.Queue.Count >= 1)
{
await player.SkipAsync();
}
else
{
await player.StopAsync();
}
if (context != null && context.Guild.TextChannels.Any(x => x.Id == Program.BotConfig.ChannelId) == false)
{
return;
}
var embed = await EmbedHelper.BuildDefaultEmbed();
await Program.BotConfig.BotEmbedMessage.ModifyAsync(x => { x.Content = AudioHelper.NoSongsInQueue; x.Embed = embed; });
}
public AudioHelper(LavaNode lavanode, EmbedHelper eh)
{
Node = lavanode;
embedHelper = eh;
// TODO: Make SpotifyClient own class
if (Program.BotConfig.SpotifyClientId != "" && Program.BotConfig.SpotifySecret != "")
{
var config = SpotifyClientConfig.CreateDefault();
var request = new ClientCredentialsRequest(Program.BotConfig.SpotifyClientId, Program.BotConfig.SpotifySecret);
var response = new OAuthClient(config).RequestToken(request);
var spotify = new SpotifyClient(config.WithToken(response.Result.AccessToken));
Spotify = spotify;
_disconnectTokens = new ConcurrentDictionary <ulong, CancellationTokenSource>();
SpotifyLogin = true;
}
// Handler for when a LavaTrack is started
// args: TrackStartEventArgs
Node.OnTrackStarted += async(args) =>
{
var player = args.Player;
var queue = await GetNewEmbedQueueString(player);
var embed = await embedHelper.BuildMusicEmbed(player, Color.DarkTeal);
//If for some reason Volume is set to 0 (100%) it will set to default volume
if (player.Volume == 0)
{
await player.UpdateVolumeAsync(Program.BotConfig.Volume);
}
var content = queue switch
{
"" => NoSongsInQueue,
_ => string.Format(QueueMayHaveSongs, queue)
};
await Program.BotConfig.BotEmbedMessage.ModifyAsync(x =>
{
x.Embed = embed;
x.Content = content;
});
if (!_disconnectTokens.TryGetValue(args.Player.VoiceChannel.Id, out var value))
{
return;
}
if (value.IsCancellationRequested)
{
return;
}
value.Cancel(true);
};
// Handler for when a LavaTrack is ended, stopped, or skipped
// args: TrackEndedEventArgs
Node.OnTrackEnded += async(args) =>
{
var player = args.Player;
if (RepeatFlag)
{
await player.PlayAsync(RepeatTrack);
return;
}
RepeatFlag = false;
if (!args.Reason.ShouldPlayNext())
{
return;
}
if (!player.Queue.TryDequeue(out var track) && player.Queue.Count == 0)
{
var embed = await EmbedHelper.BuildDefaultEmbed();
await Program.BotConfig.BotEmbedMessage.ModifyAsync(x =>
{
x.Content = NoSongsInQueue;
x.Embed = embed;
});
if (!StayFlag)
{
_ = InitiateDisconnectAsync(args.Player, TimeSpan.FromMinutes(15));
}
return;
}
await args.Player.PlayAsync(track);
};
// Handler for when a LavaTrack throws an exception
// args: TrackExceptionEventArgs
Node.OnTrackException += async(args) =>
{
var player = args.Player;
var errorMessage = args.ErrorMessage switch
{
"This video cannot be viewed anonymously." => "This video most likely hasn't premiered yet.",
"Received unexpected response from YouTube." => "YouTube is most likely down.",
_ => "Video might still be processing, try again later."
};
var msg = await embedHelper.BuildTrackErrorEmbed($"[{player.Track.Title}]({player.Track.Url})\n{errorMessage}");
await player.TextChannel.SendAndRemove(embed : msg);
if (player.Queue.Count == 0)
{
//If no songs in queue it will stop playback to reset the embed
await player.StopAsync();
return;
}
//If queue has any songs it will skip to the next track
await player.SkipAsync();
return;
};
// Handler for when a LavaTrack gets stuck
// args: TrackStuckEventArgs
Node.OnTrackStuck += async(args) =>
{
var player = args.Player;
var msg = await embedHelper.BuildTrackErrorEmbed($"[{player.Track.Title}]({player.Track.Url})\nTrack got stuck, moving on...");
await player.TextChannel.SendAndRemove(embed : msg);
if (player.Queue.Count == 0)
{
//If no songs in queue it will stop playback to reset the embed
await player.StopAsync();
return;
}
//If queue has any songs it will skip to the next track
await player.SkipAsync();
return;
};
}
/// <summary>
/// Initiates a disconnect from the voice channel
/// </summary>
/// <param name="player">Instance of LavaPlayer for the guild</param>
/// <param name="timeSpan">TimeSpan for length before disconnecting</param>
/// <returns></returns>
private async Task InitiateDisconnectAsync(LavaPlayer player, TimeSpan timeSpan)
{
if (!_disconnectTokens.TryGetValue(player.VoiceChannel.Id, out var value))
{
value = new CancellationTokenSource();
_disconnectTokens.TryAdd(player.VoiceChannel.Id, value);
}
else if (value.IsCancellationRequested)
{
_disconnectTokens.TryUpdate(player.VoiceChannel.Id, new CancellationTokenSource(), value);
value = _disconnectTokens[player.VoiceChannel.Id];
}
var isCancelled = SpinWait.SpinUntil(() => value.IsCancellationRequested, timeSpan);
if (isCancelled)
{
return;
}
await Node.LeaveAsync(player.VoiceChannel);
var msg = await embedHelper.BuildMessageEmbed("Muse has disconnected due to inactivity.");
await player.TextChannel.SendAndRemove(embed : msg);
}