/// <summary>
/// Adiciona novas músicas à playlist utilizando a API do YouTube para realizar a busca.
/// </summary>
/// <param name="numberOfTracksToGrab"> How many songs to search for. </param>
/// <returns></returns>
public static async Task AddSongs(short numberOfTracksToGrab)
{
LavalinkGuildConnection guildConnection = LavalinkNode.GetGuildConnection(await Lavalink.Client.GetGuildAsync(configJson.ServerId).ConfigureAwait(false));
for (int i = 0; i < numberOfTracksToGrab; i++)
{
WordsGenerator _wordsGenerator = new WordsGenerator(_randomNumber);
List <string> wordList = _wordsGenerator.GenerateWordList();
YoutubeSearchEngine _youtubeSearchEngine = new YoutubeSearchEngine(1);
Dictionary <string, string> searchResult = _youtubeSearchEngine.SearchVideos(wordList);
foreach (var result in searchResult)
{
Uri videoUri = new Uri(result.Value);
LavalinkLoadResult loadResult = await LavalinkNode.Rest.GetTracksAsync(videoUri).ConfigureAwait(false);
if (loadResult.LoadResultType == LavalinkLoadResultType.LoadFailed || loadResult.LoadResultType == LavalinkLoadResultType.NoMatches)
{
await guildConnection.Guild.GetChannel(configJson.ComandosBotCanalId).SendMessageAsync($"ERR0! Pesquisa por {searchResult} falhou! Tipo do resultado: {result.Key}").ConfigureAwait(false);
}
else
{
Playlist.Add(loadResult.Tracks.First());
await guildConnection.Guild.GetChannel(configJson.ComandosBotCanalId).SendMessageAsync($"A música: {loadResult.Tracks.First().Title} foi adicionada à playlist de músicas para tocar!").ConfigureAwait(false);
}
}
}
}
public async Task Stop(CommandContext ctx)
{
LavalinkNodeConnection node = ctx.Client.GetLavalink().ConnectedNodes.Values.First();
LavalinkGuildConnection conn = node.GetGuildConnection(ctx.Member.VoiceState.Guild);
if (ctx.Member.VoiceState.Channel != conn.Channel)
{
await ctx.RespondAsync("You are not in a VC with me.");
return;
}
if (conn == null)
{
await ctx.RespondAsync("Lavalink not connected");
return;
}
if (conn.CurrentState.CurrentTrack == null)
{
await ctx.RespondAsync("Nothing playing");
return;
}
try
{
LavalinkService.Instance.Queues.Remove(ctx.Guild);
}
catch { }
await conn.StopAsync();
await conn.DisconnectAsync();
await ctx.RespondAsync("Bye");
}
private async Task Player_PlaybackFinished(LavalinkGuildConnection con, TrackFinishEventArgs e)
{
await Task.Delay(500);
this.IsPlaying = false;
await this.PlayHandlerAsync();
}
public async Task Resume(CommandContext ctx)
{
if (ctx.Member.VoiceState == null || ctx.Member.VoiceState.Channel == null)
{
await ctx.RespondAsync("You are not in a vc.");
return;
}
LavalinkNodeConnection node = ctx.Client.GetLavalink().ConnectedNodes.Values.First();
LavalinkGuildConnection conn = node.GetGuildConnection(ctx.Member.VoiceState.Guild);
if (conn == null)
{
await ctx.RespondAsync("Lavalink not connected");
return;
}
if (conn.CurrentState.CurrentTrack == null)
{
await ctx.RespondAsync("Nothing playing");
return;
}
await conn.ResumeAsync();
await ctx.RespondAsync("Resuming");
}
public async Task Proxima(CommandContext context)
{
if (context.Channel.Id == BotClient.configJson.ComandosBotCanalId)
{
guildConnection = BotClient.LavalinkNode.GetGuildConnection(await BotClient.Lavalink.Client.GetGuildAsync(BotClient.configJson.ServerId).ConfigureAwait(false));
if (context.Member.VoiceState == null || context.Member.VoiceState.Channel == null)
{
await context.RespondAsync($"{context.User.Username} você precisa estar conectado a um canal de voz!").ConfigureAwait(false);
return;
}
if (guildConnection == null)
{
await context.RespondAsync($"{context.User.Username}, eu não estou conectado a nenhum canal de voz!").ConfigureAwait(false);
return;
}
if (BotClient.Playlist.Count == BotClient._currentTrackIndex + 1)
{
await context.RespondAsync($"Não posso pular para a próxima música! Pois estou tocando a música de número {BotClient._currentTrackIndex + 1} e a Playlist só tem {BotClient.Playlist.Count}");
}
else
{
await guildConnection.PlayAsync(BotClient.Playlist[BotClient._currentTrackIndex + 1]).ConfigureAwait(false);
await context.RespondAsync($"Ok {context.User.Username}! Vou pular para a próxima música!").ConfigureAwait(false);
}
}
}
public async Task Shuffle(CommandContext ctx)
{
LavalinkNodeConnection node = ctx.Client.GetLavalink().ConnectedNodes.Values.First();
LavalinkGuildConnection conn = node.GetGuildConnection(ctx.Member.VoiceState?.Guild);
if (ctx.Member.VoiceState == null || ctx.Member.VoiceState.Channel != conn.Channel)
{
await ctx.RespondAsync("We are not in one VC");
return;
}
if (conn == null)
{
await ctx.RespondAsync("Lavalink not connected");
return;
}
if (conn.CurrentState.CurrentTrack == null)
{
await ctx.RespondAsync("Nothing playing.");
return;
}
Random random = new Random();
for (int index = LavalinkService.Instance.Queues[conn.Guild].Count; index > 0; index--)
{
int rngRes = random.Next(0, index);
LavalinkTrack temp = LavalinkService.Instance.Queues[conn.Guild][0];
LavalinkService.Instance.Queues[conn.Guild][0] = LavalinkService.Instance.Queues[conn.Guild][rngRes];
LavalinkService.Instance.Queues[conn.Guild][rngRes] = temp;
}
await ctx.RespondAsync("Queue shuffled!");
}
public async Task Join(CommandContext ctx)
{
if (this.node?.IsConnected == false)
{
await ctx.RespondAsync($"{ctx.User.Mention} :x: Conexão com o lavalink falhou!");
return;
}
if (this.connection?.IsConnected == true)
{
await ctx.RespondAsync($"{ctx.User.Mention} :x: Estou no canal de voz: `{this.connection.Channel.Name}`.");
return;
}
if (ctx.Member.VoiceState?.Channel == null)
{
await ctx.RespondAsync($"{ctx.User.Mention} :x: Você não está no canal de voz!");
return;
}
this.connection = await this.node.ConnectAsync(ctx.Member.VoiceState.Channel);
if (this.connection?.IsConnected == false)
{
await ctx.RespondAsync($"{ctx.User.Mention} :x: Conexão com o canal de voz falhou.");
return;
}
await ctx.RespondAsync($"{ctx.User.Mention} :white_check_mark: Conectado no canal de voz `{this.connection.Channel.Name}`");
}
public LavalinkPlayPartial(LavalinkGuildConnection lvl, LavalinkTrack track, TimeSpan start, TimeSpan stop)
: base("play", lvl.GuildIdString)
{
this.Track = track.TrackString;
this.StartTime = (long)start.TotalMilliseconds;
this.StopTime = (long)stop.TotalMilliseconds;
}
private async Task <bool> CheckVoiceAndChannel(CommandContext ctx, LavalinkGuildConnection lvc)
{
if (lvc == null)
{
await CTX.RespondSanitizedAsync(ctx, "Not connected in this guild.");
return(false);
}
var chn = ctx.Member?.VoiceState?.Channel;
if (chn == null)
{
await CTX.RespondSanitizedAsync(ctx, "You need to be in a voice channel.");
return(false);
}
if (chn != lvc.Channel)
{
await CTX.RespondSanitizedAsync(ctx, "You need to be in the same voice channel.");
return(false);
}
return(true);
}
private async Task PlayNext(LavalinkGuildConnection conn, TrackFinishEventArgs args)
{
if (conn.CurrentState.CurrentTrack != null)
{
if (PrevQueueCount == 0)
{
conn.PlaybackFinished += PlayNext;
}
return;
}
var track = Queue.Dequeue();
await conn.PlayAsync(track);
if (Queue.Count > 0)
{
conn.PlaybackFinished += PlayNext;
}
var builder = new DiscordEmbedBuilder()
.WithTitle("Playing now:")
.WithDescription($"[{track.Title}]({track.Uri.AbsoluteUri})");
var message = await SoundContext.RespondAsync(null, false, builder.Build());
}
private async Task Conn_PlaybackFinished(LavalinkGuildConnection sender, DSharpPlus.Lavalink.EventArgs.TrackFinishEventArgs e)
{
if (m_Queue.Count != 0)
{
var track = m_Queue.Dequeue();
await sender.PlayAsync(track.lavaTrack);
await track.requestChannel.SendMessageAsync($"Playing {track.lavaTrack.Title}");
lastChannel = track.requestChannel;
}
else
{
if (lastChannel != null)
{
await lastChannel.SendMessageAsync("Queue end!");
}
else
{
await sender.Guild.GetDefaultChannel().SendMessageAsync("Queue end!");
}
isPaused = false;
}
}
public MusicPlayer(LavalinkNodeConnection node, DiscordGuild guild)
{
this._node = node;
this.Guild = guild;
this._connection = default;
this._tracks = new List <TrackInfo>();
}
private async Task PlaybackFinished(LavalinkGuildConnection guildConnection, TrackFinishEventArgs e)
{
var trackFind = this.Playlist.FirstOrDefault(t => string.Equals(t.Key?.Title, e.Track.Title));
if (!(trackFind.Key is null && trackFind.Value is null))
{
this.Playlist.Remove(trackFind.Key);
}
if (this.Playlist.Any())
{
await this.LavalinkGuildConnection.PlayAsync(this.Playlist.Keys.FirstOrDefault());
}
else
{
await trackFind.Value.RespondAsync("There are no more songs in the playlist, disconnecting me from the voice channel.");
await this.LavalinkGuildConnection.DisconnectAsync(false);
if (this._isPlaying)
{
this._isPlaying = false;
}
if (!this._isPaused)
{
this._isPaused = true;
}
if (!this._isStopped)
{
this._isStopped = true;
}
}
}
private async Task TrackError(LavalinkGuildConnection guildConnection, TrackExceptionEventArgs e)
{
LavalinkTrack track = e.Track;
var kv = this.Playlist.FirstOrDefault(kv => string.Equals(kv.Key.Title, track.Title));
CommandContext ctx = kv.Value;
await ctx.RespondAsync($"{ctx.Member.Mention}, it was not possible to play the song `{track.Title}` by `{track.Author}`.");
}
public async Task RepeatMode(CommandContext ctx)
{
if (ctx.Member.VoiceState == null || ctx.Member.VoiceState.Channel == null)
{
await ctx.RespondAsync("You are not in a vc.");
return;
}
LavalinkNodeConnection node = ctx.Client.GetLavalink().ConnectedNodes.Values.First();
LavalinkGuildConnection conn = node.GetGuildConnection(ctx.Member.VoiceState.Guild);
if (conn == null)
{
await ctx.RespondAsync("Lavalink not connected");
return;
}
if (conn.CurrentState.CurrentTrack == null)
{
await ctx.RespondAsync("Nothing playing");
return;
}
await ctx.TriggerTypingAsync();
Repeaters? current = LavalinkService.Instance.Repeats?[ctx.Guild];
DiscordMessageBuilder builder = new DiscordMessageBuilder
{
Content = ""
};
builder.AddComponents(new List <DiscordButtonComponent>
{
new DiscordButtonComponent(ButtonStyle.Success, "off", "off", current == Repeaters.off, new DiscordComponentEmoji("🚫")),
new DiscordButtonComponent(ButtonStyle.Success, "all", "all", current == Repeaters.all, new DiscordComponentEmoji("🔁")),
new DiscordButtonComponent(ButtonStyle.Success, "single", "single", current == Repeaters.single, new DiscordComponentEmoji("🔂"))
});
var message = await ctx.RespondAsync(builder);
InteractivityExtension interactivity = ctx.Client.GetInteractivity();
var result = await interactivity.WaitForButtonAsync(message, ctx.User, TimeSpan.FromMinutes(1));
var repeatMode = result.Result.Id switch
{
string a when a.ToLower().Contains("all") => Repeaters.all,
string b when b.ToLower().Contains("single") => Repeaters.single,
string b when b.ToLower().Contains("off") => Repeaters.off,
_ => Repeaters.all,
};
LavalinkService.Instance.Repeats?.Remove(ctx.Guild);
LavalinkService.Instance.Repeats.Add(ctx.Guild, repeatMode);
await ctx.RespondAsync($"Repeatmode set to: {LavalinkService.Instance.Repeats[ctx.Guild]}");
}
public async Task Play(CommandContext ctx, [Description("URI to the audio to play.")] string song, [Description("Source to search from. {Youtube, SoundCloud}")] string source = "Youtube")
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
LavalinkTrack track = null;
if (Uri.TryCreate(song, UriKind.Absolute, out Uri uri))
{
LavalinkLoadResult results = await lavalinkNodeConnection.Rest.GetTracksAsync(uri);
if (results.Exception.Message != null)
{
throw new Exception(results.Exception.Message);
}
IEnumerable <LavalinkTrack> tracks = results.Tracks;
if (tracks.Count() == 0)
{
throw new InvalidOperationException($"Could not find `{uri.OriginalString}`.");
}
track = tracks.First();
}
else
{
if (Enum.TryParse(source, true, out LavalinkSearchType lavalinkSearchType))
{
IEnumerable <LavalinkTrack> tracks = lavalinkNodeConnection.Rest.GetTracksAsync(song, lavalinkSearchType).GetAwaiter().GetResult().Tracks;
if (tracks.Count() == 0)
{
throw new InvalidOperationException($"There were 0 results for `{song}`.");
}
track = tracks.First();
}
else
{
throw new InvalidOperationException($"`{source}` is not a valid source.");
}
}
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
Messaging messaging = new Messaging(ctx);
if (lavalinkGuildConnection.CurrentState.CurrentTrack == null)
{
await lavalinkGuildConnection.PlayAsync(track);
if (loops[ctx.Guild.Id])
{
queues[ctx.Guild.Id].Enqueue(track);
}
await messaging.RespondContent(true, track.Length)($"🎤 {track.Author} - {track.Title}");
}
else
{
queues[ctx.Guild.Id].Enqueue(track);
await messaging.RespondContent()("Added to the queue.");
}
}
public MusicPlayer(CommandContext ctx, BotContext context)
{
_ctx = ctx;
Queue = new Queue <LavalinkTrack>();
_context = context;
Tracks = new List <LavalinkTrack>();
Lava = _ctx.Client.GetLavalink();
Node = Lava.ConnectedNodes.Values.First();
Connection = Node.GetGuildConnection(_ctx.Member.VoiceState.Guild);
}
public async Task Resume(CommandContext ctx)
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
await lavalinkGuildConnection.ResumeAsync();
Messaging messaging = new Messaging(ctx);
await messaging.RespondContent()("▶️ Resumed.");
}
private void CreatePlayer()
{
if (node is null || node.ConnectedGuilds.Count == 0)
{
throw new NodeNotConnectedException("There is a problem with your Lavalink connection!");
}
Player = node.GetGuildConnection(helper.DiscordGuild);
Player.PlaybackFinished += Player_PlaybackFinished;
}
private async Task LavalinkVoice_PlaybackFinished(LavalinkGuildConnection ll, TrackFinishEventArgs e)
{
if (this.ContextChannel == null)
{
return;
}
await this.ContextChannel.SendMessageAsync($"Playback of {Formatter.Bold(Formatter.Sanitize(e.Track.Title))} by {Formatter.Bold(Formatter.Sanitize(e.Track.Author))} finished.").ConfigureAwait(false);
this.ContextChannel = null;
}
public async Task Skip(CommandContext ctx)
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
LavalinkPlayerState currentState = lavalinkGuildConnection.CurrentState;
if (currentState != null)
{
await SkipSong(ctx, lavalinkNodeConnection, lavalinkGuildConnection);
}
}
public async Task Stop(CommandContext ctx)
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
queues[ctx.Guild.Id].Clear();
loops[ctx.Guild.Id] = false;
await lavalinkGuildConnection.StopAsync();
Messaging messaging = new Messaging(ctx);
await messaging.RespondContent()("⏹️ Queue has been emptied and looping has been turned off.");
}
private async Task LavalinkErrorHandler(LavalinkGuildConnection con, TrackExceptionEventArgs e)
{
if (e.Player?.Guild == null)
{
return;
}
if (!this.data.TryGetValue(e.Player.Guild.Id, out GuildMusicPlayer? gd))
{
return;
}
if (gd.CommandChannel is { })
private async Task Lavalink_TrackExceptionThrown(LavalinkGuildConnection con, TrackExceptionEventArgs e)
{
if (e.Player?.Guild == null)
{
return;
}
if (!this.MusicData.TryGetValue(e.Player.Guild.Id, out var gmd))
{
return;
}
await gmd.CommandChannel.SendMessageAsync($"{DiscordEmoji.FromName(this.Discord, ":msfrown:")} A problem occured while playing {Formatter.Bold(Formatter.Sanitize(e.Track.Title))} by {Formatter.Bold(Formatter.Sanitize(e.Track.Author))}:\n{e.Error}");
}
/// <summary>
/// Destroys the player
/// </summary>
/// <returns>The completed task</returns>
public async Task DestroyPlayerAsync()
{
if (Player == null)
{
await Task.CompletedTask;
}
if (Player.IsConnected)
{
await Player.DisconnectAsync();
}
Player = null;
await Task.CompletedTask;
}
public async Task Join(CommandContext ctx, [Description("The channel to add B-118 to.")] DiscordChannel channel = null)
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx, true);
LavalinkGuildConnection lavalinkGuildConnection = await Connections.GetGuildConnection(ctx, channel, lavalinkNodeConnection);
queues.TryAdd(ctx.Guild.Id, new Queue());
loops.TryAdd(ctx.Guild.Id, false);
await lavalinkGuildConnection.SetVolumeAsync(25);
lavalinkGuildConnection.PlaybackFinished += PlayNextSong(ctx, lavalinkNodeConnection, lavalinkGuildConnection);
Messaging messaging = new Messaging(ctx);
await messaging.RespondContent()($"Joining {lavalinkGuildConnection.Channel.Name}");
}
/// <summary>
/// Destroys a player for this guild.
/// </summary>
/// <returns></returns>
public async Task DestroyPlayerAsync()
{
if (this.Player == null)
{
return;
}
if (this.Player.IsConnected)
{
await this.Player.DisconnectAsync();
}
this.Player = null;
}
public async Task Board(CommandContext ctx, [Description("The sound to play.")] string sound, [Description("The volume to play the sound at.")] int?volume = null, [Description("The volume to set after the sound plays.")] int?postVolume = null)
{
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
FileInfo clip = Program.GetB118SoundClip().LoadClip(sound);
if (Program.GetB118SoundClip().Verify(clip))
{
LavalinkTrack track = lavalinkNodeConnection.Rest.GetTracksAsync(clip).GetAwaiter().GetResult().Tracks.First();
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
if (volume.HasValue && volume >= 0 && volume <= 200)
{
await lavalinkGuildConnection.SetVolumeAsync(volume.Value);
}
if (lavalinkGuildConnection.CurrentState.CurrentTrack == null)
{
await lavalinkGuildConnection.PlayAsync(track);
TimeSpan length = track.Length;
await Task.Delay(length).ContinueWith(async(_) =>
{
if (postVolume.HasValue && postVolume >= 0 && postVolume <= 200)
{
await lavalinkGuildConnection.SetVolumeAsync(postVolume.Value);
}
});
await ctx.Message.DeleteAsync();
}
else
{
LavalinkTrack previousTrack = lavalinkGuildConnection.CurrentState.CurrentTrack;
TimeSpan position = lavalinkGuildConnection.CurrentState.PlaybackPosition;
await lavalinkGuildConnection.PlayAsync(track);
TimeSpan length = track.Length;
await Task.Delay(length).ContinueWith(async(_) =>
{
if (postVolume.HasValue && postVolume >= 0 && postVolume <= 200)
{
await lavalinkGuildConnection.SetVolumeAsync(postVolume.Value);
}
await lavalinkGuildConnection.PlayPartialAsync(previousTrack, position, previousTrack.Length);
});
await ctx.Message.DeleteAsync();
}
}
}
/// <summary>
/// Destroys a player for this guild.
/// </summary>
/// <returns></returns>
public Task DestroyPlayerAsync()
{
if (this.Player == null)
{
return(Task.CompletedTask);
}
if (this.Player.IsConnected)
{
this.Player.Disconnect();
}
this.Player = null;
return(Task.CompletedTask);
}
public async Task Volume(CommandContext ctx, [Description("The volume to set it to. Min. 0, Max. 200.")] int volume)
{
if (volume < 0 || volume > 200)
{
throw new InvalidOperationException($"Volume `{volume}` is not between 0 and 200.");
}
LavalinkNodeConnection lavalinkNodeConnection = await Connections.GetNodeConnection(ctx);
LavalinkGuildConnection lavalinkGuildConnection = lavalinkNodeConnection.GetGuildConnection(ctx.Guild);
await lavalinkGuildConnection.SetVolumeAsync(volume);
Messaging messaging = new Messaging(ctx);
string emoji = volume < 25 ? "🔈" : volume < 75 ? "🔉" : "🔊";
await messaging.RespondContent()($"{emoji} Set the volume to {volume}%");
}
