tytd/Tesses.YouTubeDownloader/TYTD.cs

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9.5 KiB
C#
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using System;
using YoutubeExplode;
using YoutubeExplode.Videos;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Net.Http;
using System.IO;
using YoutubeExplode.Playlists;
using YoutubeExplode.Channels;
using Newtonsoft.Json;
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namespace Tesses.YouTubeDownloader
{
public abstract partial class TYTDStorage : TYTDBase, IStorage
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{
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private static readonly HttpClient _default = new HttpClient();
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public abstract Task<Stream> CreateAsync(string path);
public abstract void CreateDirectory(string path);
public TYTDStorage(HttpClient clt)
{
HttpClient=clt;
YoutubeClient=new YoutubeClient(HttpClient);
ExtensionContext=null;
}
public TYTDStorage()
{
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HttpClient=_default;
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YoutubeClient=new YoutubeClient(HttpClient);
ExtensionContext=null;
}
public async Task WriteAllBytesAsync(string path,byte[] data,CancellationToken token=default(CancellationToken))
{
using(var s=await CreateAsync(path))
{
await s.WriteAsync(data,0,data.Length,token);
}
}
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public static string TYTDTag {get {return _tytd_tag;}}
private static string _tytd_tag=_getTYTDTag();
private static string _getTYTDTag()
{
string tag=Environment.GetEnvironmentVariable("TYTD_TAG");
if(string.IsNullOrWhiteSpace(tag)) return "UnknownPC";
return tag;
}
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bool can_download=true;
public bool CanDownload {get {return can_download;} set {can_download=value;}}
public IExtensionContext ExtensionContext {get;set;}
public HttpClient HttpClient {get;set;}
public YoutubeClient YoutubeClient {get;set;}
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public abstract void MoveDirectory(string src,string dest);
public abstract void DeleteFile(string file);
public abstract void DeleteDirectory(string dir,bool recursive=false);
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public virtual async Task WriteBestStreamInfoAsync(VideoId id,BestStreamInfo.BestStreamsSerialized serialized)
{
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await WriteAllTextAsync($"StreamInfo/{id.Value}.json",JsonConvert.SerializeObject(serialized));
}
public virtual async Task WriteVideoInfoAsync(SavedVideo info)
{
string file = info.DownloadFrom.StartsWith("NormalDownload,Length=") ? $"FileInfo/{B64.Base64UrlEncodes(info.Id)}.json" : $"Info/{info.Id}.json";
if(!FileExists(file))
{
await WriteAllTextAsync(file,JsonConvert.SerializeObject(info));
}
}
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public virtual async Task WritePlaylistInfoAsync(SavedPlaylist info)
{
string file = $"Playlist/{info.Id}.json";
if(!FileExists(file))
{
await WriteAllTextAsync(file,JsonConvert.SerializeObject(info));
}
}
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public virtual async Task WriteChannelInfoAsync(SavedChannel info)
{
string file = $"Channel/{info.Id}.json";
if(!FileExists(file))
{
await WriteAllTextAsync(file,JsonConvert.SerializeObject(info));
}
}
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public async Task AddPlaylistAsync(PlaylistId id,Resolution resolution=Resolution.PreMuxed)
{
lock(Temporary)
{
Temporary.Add( new PlaylistMediaContext(id,resolution));
}
await Task.FromResult(0);
}
public async Task AddChannelAsync(ChannelId id,Resolution resolution=Resolution.PreMuxed)
{
lock(Temporary)
{
Temporary.Add(new ChannelMediaContext(id,resolution));
}
await Task.FromResult(0);
}
public async Task AddUserAsync(UserName name,Resolution resolution=Resolution.PreMuxed)
{
lock(Temporary)
{
Temporary.Add(new ChannelMediaContext(name,resolution));
}
await Task.FromResult(0);
}
public async Task AddVideoAsync(VideoId videoId,Resolution res=Resolution.PreMuxed)
{
lock(Temporary)
{
Temporary.Add(new VideoMediaContext(videoId,res));
}
await Task.FromResult(0);
}
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public async Task AddFileAsync(string url,bool download=true)
{
lock(Temporary)
{
Temporary.Add(new NormalDownloadMediaContext(url,download));
}
await Task.FromResult(0);
}
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public void CreateDirectoryIfNotExist(string dir)
{
if(!DirectoryExists(dir))
{
CreateDirectory(dir);
}
}
public async Task DownloadThumbnails(VideoId id)
{
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if(!can_download) return;
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string Id=id.Value;
string[] res=new string[] {"default.jpg","sddefault.jpg","mqdefault.jpg","hqdefault.jpg","maxresdefault.jpg"};
CreateDirectoryIfNotExist($"Thumbnails/{Id}");
foreach(var reso in res)
{
if(await Continue($"Thumbnails/{Id}/{reso}"))
{
try{
var data=await HttpClient.GetByteArrayAsync($"https://s.ytimg.com/vi/{Id}/{reso}");
await WriteAllBytesAsync($"Thumbnails/{Id}/{reso}",data);
}catch(Exception ex)
{
_=ex;
}
}
}
}
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public void CreateDirectories()
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{
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CreateDirectoryIfNotExist("Channel");
CreateDirectoryIfNotExist("Playlist");
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CreateDirectoryIfNotExist("Subscriptions");
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CreateDirectoryIfNotExist("VideoOnly");
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CreateDirectoryIfNotExist("AudioOnly");
CreateDirectoryIfNotExist("Muxed");
CreateDirectoryIfNotExist("PreMuxed");
CreateDirectoryIfNotExist("Info");
CreateDirectoryIfNotExist("Thumbnails");
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CreateDirectoryIfNotExist("config");
CreateDirectoryIfNotExist("config/logs");
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CreateDirectoryIfNotExist("FileInfo");
CreateDirectoryIfNotExist("Download");
CreateDirectoryIfNotExist("StreamInfo");
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}
public void StartLoop(CancellationToken token = default(CancellationToken))
{
CreateDirectories();
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Thread thread0=new Thread(()=>{
DownloadLoop(token).Wait();
});
thread0.Start();
Thread thread1=new Thread(()=>{
QueueLoop(token).Wait();
});
thread1.Start();
}
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internal void ThrowError(TYTDErrorEventArgs e)
{
Error?.Invoke(this,e);
}
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public async Task WriteAllTextAsync(string path,string data)
{
using(var dstStrm= await CreateAsync(path))
{
using(var sw = new StreamWriter(dstStrm))
{
await sw.WriteAsync(data);
}
}
}
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public virtual async Task AddToPersonalPlaylistAsync(string name, IEnumerable<ListContentItem> items)
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{
List<ListContentItem> items0=new List<ListContentItem>();
await foreach(var item in GetPersonalPlaylistContentsAsync(name))
{
items0.Add(item);
}
items0.AddRange(items);
await WriteAllTextAsync($"PersonalPlaylist/{name}.json",JsonConvert.SerializeObject(items0));
}
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public virtual async Task ReplacePersonalPlaylistAsync(string name, IEnumerable<ListContentItem> items)
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{
await WriteAllTextAsync($"PersonalPlaylist/{name}.json",JsonConvert.SerializeObject(items.ToList()));
}
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public virtual void DeletePersonalPlaylist(string name)
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{
DeleteFile($"PersonalPlaylist/{name}.json");
}
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public virtual async Task RemoveItemFromPersonalPlaylistAsync(string name, VideoId id)
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{
List<ListContentItem> items0=new List<ListContentItem>();
await foreach(var item in GetPersonalPlaylistContentsAsync(name))
{
if(item.Id != id)
{
items0.Add(item);
}
}
await WriteAllTextAsync($"PersonalPlaylist/{name}.json",JsonConvert.SerializeObject(items0));
}
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public virtual async Task SetResolutionForItemInPersonalPlaylistAsync(string name, VideoId id, Resolution resolution)
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{
List<ListContentItem> items0=new List<ListContentItem>();
await foreach(var item in GetPersonalPlaylistContentsAsync(name))
{
if(item.Id != id)
{
items0.Add(item);
}else{
items0.Add(new ListContentItem(item.Id,resolution));
}
}
await WriteAllTextAsync($"PersonalPlaylist/{name}.json",JsonConvert.SerializeObject(items0));
}
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}
}