/// <summary>
/// Download the whole Playlist from YouTube url and extract it
/// </summary>
/// <param name="url">URL to the YouTube Playlist</param>
/// <returns>The File Path to the downloaded mp3</returns>
private static async Task <string> DownloadPlaylistFromYouTube(string url)
{
TaskCompletionSource <string> tcs = new TaskCompletionSource <string>();
new Thread(() => {
string file;
int count = 0;
do
{
file = Path.Combine(DownloadPath, "tempvideo" + ++count + ".mp3");
} while (File.Exists(file));
MusicBot.Print("Downloading the song under " + file, ConsoleColor.Gray);
//youtube-dl.exe
Process youtubedl;
string args = $"--extract-audio --audio-format mp3 -o \"{file.Replace(".mp3", ".%(ext)s")}\" {url}";
MusicBot.Print("In cmd: " + "youutube-dl " + args, ConsoleColor.Magenta);
//Download Video
ProcessStartInfo youtubedlDownload = new ProcessStartInfo()
{
FileName = "youtube-dl",
Arguments = args,
CreateNoWindow = true,
RedirectStandardOutput = true,
/*UseShellExecute = false*/ //Linux?
};
youtubedl = Process.Start(youtubedlDownload);
//Wait until download is finished
youtubedl.WaitForExit();
if (File.Exists(file))
{
//Return MP3 Path & Video Title
tcs.SetResult(file);
}
else
{
//Error downloading
tcs.SetResult(null);
MusicBot.Print($"Could not download Song, youtube-dl responded with:\n\r{youtubedl.StandardOutput.ReadToEnd()}", ConsoleColor.Red);
}
}).Start();
string result = await tcs.Task;
if (result == null)
{
throw new Exception("youtube-dl.exe failed to download!");
}
//Remove \n at end of Line
result = result.Replace("\n", "").Replace(Environment.NewLine, "");
return(result);
}
/// <summary>
/// Get Video Title from YouTube URL
/// </summary>
/// <param name="url">URL to the YouTube Video</param>
/// <returns>The YouTube Video Title</returns>
private static async Task <Tuple <string, string> > GetInfoFromYouTube(string url)
{
TaskCompletionSource <Tuple <string, string> > tcs = new TaskCompletionSource <Tuple <string, string> >();
MusicBot.Print("Creating new thread with youtube-dl", ConsoleColor.Red);
new Thread(() => {
string title;
string duration;
//youtube-dl.exe
Process youtubedl;
string args = $"-s -e --get-duration {url}";
MusicBot.Print("In cmd: " + "youtube-dl " + args, ConsoleColor.Magenta);
//Get Video Title
ProcessStartInfo youtubedlGetTitle = new ProcessStartInfo()
{
FileName = "youtube-dl",
Arguments = args,
CreateNoWindow = false,
RedirectStandardOutput = true,
/*UseShellExecute = false*/ //Linux?
};
youtubedl = Process.Start(youtubedlGetTitle);
MusicBot.Print("youtube-dl started", ConsoleColor.Green);
youtubedl.WaitForExit();
MusicBot.Print("youtube-dl ended", ConsoleColor.Green);
//Read Title
string[] lines = youtubedl.StandardOutput.ReadToEnd().Split('\n');
if (lines.Length >= 2)
{
title = lines[0];
duration = lines[1];
}
else
{
title = "No Title found";
duration = "0";
}
tcs.SetResult(new Tuple <string, string>(title, duration));
}).Start();
Tuple <string, string> result = await tcs.Task;
if (result == null)
{
throw new Exception("youtube-dl.exe failed to receive title!");
}
return(result);
}
/// <summary>
/// Gets Title of Video or Song
/// </summary>
/// <param name="url">URL to Video or Song</param>
/// <returns>The Title of the Video or Song</returns>
public static async Task <Tuple <string, string> > GetInfo(string url)
{
if (url.ToLower().Contains("youtube.com"))
{
MusicBot.Print("File to play is from youtube.", ConsoleColor.Green);
return(await GetInfoFromYouTube(url));
}
else
{
throw new Exception("Video URL not supported!");
}
}
private static async Task Do()
{
try {
_cts = new CancellationTokenSource();
Bot = new MusicBot();
//Async Thread Block
await Task.Delay(-1, _cts.Token);
} catch (TaskCanceledException) {
// Task Canceled
}
}
private static void Main(string[] args)
{
ConsoleHelper.Set();
Console.Title = "Music Bot (Loading...)";
Console.WriteLine("(Press Ctrl + C or close this Window to exit Bot)");
try {
#region JSON.NET
string json = File.ReadAllText("config.json");
Config cfg = JsonConvert.DeserializeObject <Config>(json);
if (cfg == new Config())
{
throw new Exception("Please insert values into Config.json!");
}
#endregion
#region TXT Reading
//string[] config = File.ReadAllLines("config.txt");
//Config cfg = new Config() {
// BotName = config[0].Split(':')[1],
// ChannelName = config[1].Split(':')[1],
// ClientId = config[2].Split(':')[1],
// ClientSecret = config[3].Split(':')[1],
// ServerName = config[4].Split(':')[1],
// Token = config[5].Split(':')[1],
//};
#endregion
} catch (Exception e) {
MusicBot.Print("Your config.json has incorrect formatting, or is not readable!", ConsoleColor.Red);
MusicBot.Print(e.Message, ConsoleColor.Red);
try {
//Open up for editing
Process.Start("config.json");
} catch {
// file not found, process not started, etc.
}
Console.ReadKey();
return;
}
Do().GetAwaiter().GetResult();
//Thread Block
//Thread.Sleep(-1);
}
