private void LoadPlaylist(string name)
{
if (m_guild == null || string.IsNullOrWhiteSpace(name))
{
Logging.LogError(LogType.Bot, $"Server or playlist name is empty ignoring playlist.");
m_isValid = false;
return;
}
string fileLocation = Path.Combine(Utilities.DataFolder, m_guild.Id.ToString(), c_playlistFolder, $"{name}.xml");
if (!File.Exists(fileLocation))
{
CreateNew(name, fileLocation);
return;
}
XDocument doc = XDocument.Load(fileLocation);
XElement root = doc.Root;
XElement info = root.Element("Info");
string xmlName = string.Empty;
if (info.TryGetAttribute("Name", out xmlName))
{
if (xmlName != name)
{
Logging.LogError(LogType.Bot, $"Xml document {fileLocation} has info Name {xmlName} but Name {name} was used for loading playlist in server {m_guild.Name}.");
m_isValid = false;
return;
}
m_name = xmlName;
bool repeat = false;
if (info.TryGetAttribute("Repeat", out repeat))
{
m_repeat = repeat;
}
bool shuffle = false;
if (info.TryGetAttribute("Shuffle", out shuffle))
{
m_suffleOnLoad = shuffle;
}
float volume = 1.0f;
if (info.TryGetAttribute("Volume", out volume))
{
m_volume = Utilities.Clamp(0.0f, 1.0f, volume);
SongStream.Volume = m_volume;
}
XElement songs = root.Element("Songs");
if (songs.HasElements)
{
foreach (var song in songs.Elements("Song"))
{
SongInfo songInfo = GetSongInfoFromXml(song);
if (!string.IsNullOrEmpty(songInfo.Title))
{
Song addSong = new Song(songInfo);
addSong.SetPlaylist(this);
m_playlistCollection.Add(addSong);
m_activePlaylist.AddLast(addSong);
}
}
}
if (m_suffleOnLoad)
{
Shuffle();
}
m_playlistFile = fileLocation;
UpdatePlaylist();
m_isValid = true;
return;
}
}
public async Task Play(IAudioClient client)
{
if (Paused)
{
return;
}
if (client != null && client.ConnectionState == ConnectionState.Connected && m_activePlaylist.Count != 0)
{
lock (m_mutex)
{
m_currentSong = m_activePlaylist.First.Value;
m_activePlaylist.RemoveFirst();
if (m_lastSong != null)
{
m_currentQueueTime = m_currentQueueTime.Subtract(m_lastSong.Duration);
}
Logging.LogInfo(LogType.Bot, $"Changing song to {m_currentSong.Name} on server {GuildName}");
}
if (!await Utilities.CheckUriAsync(m_currentSong.Info.Uri))
{
Logging.LogInfo(LogType.Bot, $"Changing song to {m_currentSong.Name} has an dead link re-resolving song on server {GuildName}");
m_currentSong = (await MediaPlayer.ResolveSong(m_currentSong.Info.Query)).FirstOrDefault();
if (m_currentSong != null)
{
m_currentSong.SetPlaylist(this);
UpdateSong(m_currentSong);
}
else
{
Logging.LogInfo(LogType.Bot, $"Song {m_currentSong.Name} failed to re-resolving dead link on server {GuildName}");
RemoveSong(m_currentSong.Name);
m_currentSong = m_lastSong;
return;
}
}
try
{
if (HasSong(m_currentSong.Info))
{
await m_currentSong.Play(client, m_songCancellationSource.Token);
RepeatSong();
m_lastSong = m_currentSong;
m_currentSong = null;
}
}
catch (Exception ex)
{
Logging.LogException(LogType.Bot, ex, $"Exception occured in playlist {Name} for server {GuildName}.");
}
finally
{
if (!m_songCancellationSource.Token.IsCancellationRequested)
{
m_songCancellationSource.Cancel();
}
m_songCancellationSource = new CancellationTokenSource();
}
}
else if (m_activePlaylist.Count == 0 && m_currentSong == null && m_currentQueueTime != new TimeSpan(0))
{
m_currentQueueTime = new TimeSpan(0);
}
await Task.Delay(500).ConfigureAwait(false);
}