rdt-client/server/RdtClient.Service/Services/Torrents.cs
2020-04-18 15:10:59 -06:00

372 lines
No EOL
12 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using MonoTorrent;
using Newtonsoft.Json;
using RDNET;
using RdtClient.Data.Enums;
using RdtClient.Service.Models;
using ITorrentData = RdtClient.Data.Data.ITorrentData;
using Torrent = RdtClient.Data.Models.Data.Torrent;
namespace RdtClient.Service.Services
{
public interface ITorrents
{
Task<IList<Torrent>> Get();
Task<Torrent> GetById(Guid id);
Task<Torrent> GetByHash(String hash);
Task<IList<Torrent>> Update();
Task UpdateStatus(Guid torrentId, TorrentStatus status);
Task UpdateCategory(String hash, String category);
Task UploadMagnet(String magnetLink, Boolean autoDownload, Boolean autoDelete);
Task UploadFile(Byte[] bytes, Boolean autoDownload, Boolean autoDelete);
Task Delete(Guid id);
Task Download(Guid id);
void Reset();
Task<Profile> GetProfile();
}
public class Torrents : ITorrents
{
private static RdNetClient _rdtClient;
private static readonly SemaphoreSlim SemaphoreSlim = new SemaphoreSlim(1, 1);
private readonly IDownloads _downloads;
private readonly ISettings _settings;
private readonly ITorrentData _torrentData;
public Torrents(ITorrentData torrentData, ISettings settings, IDownloads downloads)
{
_torrentData = torrentData;
_settings = settings;
_downloads = downloads;
}
private RdNetClient RdNetClient
{
get
{
if (_rdtClient == null)
{
var apiKey = _settings.GetString("RealDebridApiKey")
.Result;
if (String.IsNullOrWhiteSpace(apiKey))
{
throw new Exception("RealDebrid API Key not set in the settings");
}
_rdtClient = new RdNetClient("X245A4XAIBGVM", null, null, null, apiKey);
}
return _rdtClient;
}
}
public async Task<IList<Torrent>> Get()
{
var torrents = await _torrentData.Get();
foreach (var torrent in torrents)
{
foreach (var download in torrent.Downloads)
{
if (TaskRunner.ActiveDownloads.TryGetValue(download.DownloadId, out var activeDownload))
{
download.Speed = activeDownload.Speed;
download.BytesSize = activeDownload.BytesSize;
download.BytesDownloaded = activeDownload.BytesDownloaded;
if (activeDownload.NewStatus.HasValue)
{
download.Status = activeDownload.NewStatus.Value;
}
}
}
}
return torrents;
}
public async Task<Torrent> GetById(Guid id)
{
var torrent = await _torrentData.GetById(id);
if (torrent != null)
{
var rdTorrent = await RdNetClient.GetTorrentInfoAsync(torrent.RdId);
await Update(torrent, rdTorrent);
}
return torrent;
}
public async Task<Torrent> GetByHash(String hash)
{
var torrent = await _torrentData.GetByHash(hash);
if (torrent != null)
{
var rdTorrent = await RdNetClient.GetTorrentInfoAsync(torrent.RdId);
await Update(torrent, rdTorrent);
}
return torrent;
}
public async Task<IList<Torrent>> Update()
{
var torrents = await _torrentData.Get();
var w = await SemaphoreSlim.WaitAsync(1);
if (!w)
{
return torrents;
}
try
{
var rdTorrents = await RdNetClient.GetTorrentsAsync(0, 100);
foreach (var rdTorrent in rdTorrents)
{
var torrent = torrents.FirstOrDefault(m => m.RdId == rdTorrent.Id);
if (torrent == null)
{
var newTorrent = await _torrentData.Add(rdTorrent.Id, rdTorrent.Hash, false, false);
await GetById(newTorrent.TorrentId);
}
if (rdTorrent.Files == null)
{
var rdTorrent2 = await _rdtClient.GetTorrentInfoAsync(rdTorrent.Id);
await Update(torrent, rdTorrent2);
}
else
{
await Update(torrent, rdTorrent);
}
}
foreach (var torrent in torrents)
{
var rdTorrent = rdTorrents.FirstOrDefault(m => m.Id == torrent.RdId);
if (rdTorrent == null)
{
await _downloads.DeleteForTorrent(torrent.TorrentId);
await _torrentData.Delete(torrent.TorrentId);
}
}
return torrents;
}
finally
{
SemaphoreSlim.Release();
}
}
public async Task UpdateStatus(Guid torrentId, TorrentStatus status)
{
await _torrentData.UpdateStatus(torrentId, status);
}
public async Task UpdateCategory(String hash, String category)
{
var torrent = await _torrentData.GetByHash(hash);
if (torrent == null)
{
return;
}
await _torrentData.UpdateCategory(torrent.TorrentId, category);
}
public async Task UploadMagnet(String magnetLink, Boolean autoDownload, Boolean autoDelete)
{
var magnet = MagnetLink.Parse(magnetLink);
var rdTorrent = await RdNetClient.AddTorrentMagnetAsync(magnetLink);
await Add(rdTorrent.Id, magnet.InfoHash.ToHex(), autoDownload, autoDelete);
}
public async Task UploadFile(Byte[] bytes, Boolean autoDownload, Boolean autoDelete)
{
var torrent = await MonoTorrent.Torrent.LoadAsync(bytes);
var rdTorrent = await RdNetClient.AddTorrentFileAsync(bytes);
await Add(rdTorrent.Id, torrent.InfoHash.ToHex(), autoDownload, autoDelete);
}
public async Task Delete(Guid id)
{
var torrent = await GetById(id);
if (torrent != null)
{
await _downloads.DeleteForTorrent(torrent.TorrentId);
await _torrentData.Delete(id);
await RdNetClient.DeleteTorrentAsync(torrent.RdId);
}
}
public async Task Download(Guid id)
{
var torrent = await _torrentData.GetById(id);
await _downloads.DeleteForTorrent(id);
await _torrentData.UpdateStatus(id, TorrentStatus.DownloadQueued);
var rdTorrent = await RdNetClient.GetTorrentInfoAsync(torrent.RdId);
var existingDownloads = await _downloads.GetForTorrent(id);
foreach (var link in rdTorrent.Links)
{
var unrestrictedLink = await RdNetClient.UnrestrictLinkAsync(link);
if (existingDownloads.Any(m => m.Link == unrestrictedLink.Download))
{
continue;
}
await _downloads.Add(torrent.TorrentId, unrestrictedLink.Download);
}
}
public void Reset()
{
_rdtClient = null;
}
public async Task<Profile> GetProfile()
{
if (RdNetClient == null)
{
return new Profile();
}
var user = await RdNetClient.GetUserAsync();
var profile = new Profile
{
UserName = user.Username,
Expiration = user.Expiration
};
return profile;
}
private async Task Add(String rdTorrentId, String infoHash, Boolean autoDownload, Boolean autoDelete)
{
var w = await SemaphoreSlim.WaitAsync(1);
if (!w)
{
return;
}
try
{
var torrent = await _torrentData.GetByHash(infoHash);
if (torrent != null)
{
return;
}
var newTorrent = await _torrentData.Add(rdTorrentId, infoHash, autoDownload, autoDelete);
var rdTorrent = await RdNetClient.GetTorrentInfoAsync(rdTorrentId);
await Update(newTorrent, rdTorrent);
}
finally
{
SemaphoreSlim.Release();
}
}
private async Task Update(Torrent torrent, RDNET.Torrent rdTorrent)
{
if (!String.IsNullOrWhiteSpace(rdTorrent.Filename))
{
torrent.RdName = rdTorrent.Filename;
}
else if (!String.IsNullOrWhiteSpace(rdTorrent.OriginalFilename))
{
torrent.RdName = rdTorrent.OriginalFilename;
}
if (rdTorrent.Bytes > 0)
{
torrent.RdSize = rdTorrent.Bytes;
}
else if (rdTorrent.OriginalBytes > 0)
{
torrent.RdSize = rdTorrent.OriginalBytes;
}
if (rdTorrent.Files != null)
{
torrent.RdFiles = JsonConvert.SerializeObject(rdTorrent.Files);
}
torrent.RdHost = rdTorrent.Host;
torrent.RdSplit = rdTorrent.Split;
torrent.RdProgress = rdTorrent.Progress;
torrent.RdStatus = rdTorrent.Status;
torrent.RdAdded = rdTorrent.Added;
torrent.RdEnded = rdTorrent.Ended;
torrent.RdSpeed = rdTorrent.Speed;
torrent.RdSeeders = rdTorrent.Seeders;
await _torrentData.UpdateRdData(torrent);
if (torrent.Status == TorrentStatus.RealDebrid)
{
if (torrent.Status == TorrentStatus.RealDebrid && torrent.RdProgress == 100)
{
await _torrentData.UpdateStatus(torrent.TorrentId, TorrentStatus.WaitingForDownload);
}
else
{
// Current status of the torrent: magnet_error, magnet_conversion, waiting_files_selection, queued, downloading, downloaded, error, virus, compressing, uploading, dead
torrent.Status = rdTorrent.Status switch
{
"magnet_error" => TorrentStatus.Error,
"error" => TorrentStatus.Error,
"virus" => TorrentStatus.Error,
"dead" => TorrentStatus.Error,
_ => TorrentStatus.RealDebrid
};
await _torrentData.UpdateStatus(torrent.TorrentId, torrent.Status);
}
}
if (rdTorrent.Files != null && rdTorrent.Files.Count > 0)
{
if (!rdTorrent.Files.Any(m => m.Selected))
{
var fileIds = rdTorrent.Files
.Where(m => m.Bytes > 1024 * 10)
.Select(m => m.Id.ToString())
.ToArray();
await RdNetClient.SelectTorrentFilesAsync(rdTorrent.Id, fileIds);
}
}
}
}
}