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Implement Torrent endpoint
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‎README.md

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@@ -45,6 +45,9 @@ namespace ConsoleApp
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IEnumerable<DownloadedTorrent> hitAndRuns = nCore.HitAndRuns.List()
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.GetAwaiter().GetResult();
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Torrent firstTorrent = nCore.Torrent.Get(2)
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.GetAwaiter().GetResult();
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Console.Read();
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}
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}

‎samples/ConsoleApp/Program.cs

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@@ -27,20 +27,28 @@ public static void Main(string[] args)
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{
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UserConfig userConfig = LoadCredentialsFromFile();
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NcoreClient client = GetAuthenticatedClientFor(userConfig)
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NcoreClient nCore = GetAuthenticatedClientFor(userConfig)
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.ConfigureAwait(false).GetAwaiter().GetResult();
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Thread.Sleep(TimeSpan.FromSeconds(2));
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ISearchResultContainer resultContainer = client.Search.List()
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ISearchResultContainer resultContainer = nCore.Search.List()
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.GetAwaiter().GetResult();
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Thread.Sleep(TimeSpan.FromSeconds(2));
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ISearchResultContainer innaResults = client.Search.For("Inna")
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ISearchResultContainer innaResults = nCore.Search.For("Inna")
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.ConfigureAwait(false).GetAwaiter().GetResult();
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IEnumerable<HitAndRunTorrent> hitAndRunTorrents = client.HitAndRuns.List()
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IEnumerable<HitAndRunTorrent> hitAndRunTorrents = nCore.HitAndRuns.List()
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.ConfigureAwait(false).GetAwaiter().GetResult();
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Torrent torrent = nCore.Torrent.Get(1683491)
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.ConfigureAwait(false).GetAwaiter().GetResult();
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FileStream destination = new FileStream($"{torrent.UploadName}.torrent", FileMode.CreateNew);
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torrent.DownloadAsFileTo(destination)
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.ConfigureAwait(false).GetAwaiter().GetResult();
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Console.Read();

‎src/PoLaKoSz.Ncore/EndPoints/ITorrentEndPoint.cs

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using System.Threading.Tasks;
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using PoLaKoSz.Ncore.Models;
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namespace PoLaKoSz.Ncore.EndPoints
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{
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/// <summary>
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/// Provides access to a specific torrent.
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/// </summary>
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public interface ITorrentEndPoint
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{
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/// <summary>
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/// Gets the details of a torrent.
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/// </summary>
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/// <param name="id">The requested torrent unique ID.</param>
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/// <returns>Async <see cref="Task" />.</returns>
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Task<Torrent> Get(int id);
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/// <summary>
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/// Gets the details of a torrent.
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/// </summary>
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/// <param name="torrent">The requested torrent.</param>
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/// <returns>Async <see cref="Task" />.</returns>
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Task<Torrent> Get(ISearchResultTorrent torrent);
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/// <summary>
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/// Gets the details of a torrent.
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/// </summary>
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/// <param name="torrent">The requested torrent.</param>
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/// <returns>Async <see cref="Task" />.</returns>
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Task<Torrent> Get(HitAndRunTorrent torrent);
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}
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}

‎src/PoLaKoSz.Ncore/EndPoints/TorrentEndPoint.cs

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using System.Net.Http;
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using System.Threading.Tasks;
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using PoLaKoSz.Ncore.Models;
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using PoLaKoSz.Ncore.Parsers;
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namespace PoLaKoSz.Ncore.EndPoints
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{
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/// <inheritdoc cref="ITorrentEndPoint" />
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internal class TorrentEndPoint : ProtectedEndPoint, ITorrentEndPoint
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{
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private readonly TorrentParser _parser;
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internal TorrentEndPoint(HttpClient client, LoginParser authChecker)
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: base(client, authChecker)
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{
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_parser = new TorrentParser(client);
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}
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/// <inheritdoc />
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public async Task<Torrent> Get(int id)
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{
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string html = await GetStringAsync($"/torrents.php?action=details&id={id}").ConfigureAwait(false);
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return await _parser.ExtractResultFrom(html).ConfigureAwait(false);
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}
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/// <inheritdoc />
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public Task<Torrent> Get(ISearchResultTorrent torrent)
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{
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return Get(torrent.ID);
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}
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/// <inheritdoc />
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public Task<Torrent> Get(HitAndRunTorrent torrent)
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{
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return Get(torrent.ID);
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}
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}
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}

‎src/PoLaKoSz.Ncore/Models/Torrent.cs

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using System;
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using System.IO;
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using System.Net.Http;
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using System.Threading.Tasks;
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namespace PoLaKoSz.Ncore.Models
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{
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/// <summary>
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/// Class to hold detailed infromation about an nCore torrent.
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/// </summary>
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public class Torrent
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{
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private readonly HttpClient _client;
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/// <summary>
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/// Initialize a new instance.
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/// </summary>
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/// <param name="id">The unique ID given by nCore.</param>
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/// <param name="uploadName">The name given by the uploader.</param>
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/// <param name="uploadDate">The local time when this torrent was uploaded.</param>
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/// <param name="downloadURL">The absolute path to the .torrent file.</param>
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/// <param name="client">The <see cref="HttpClient" /> to download the .torrent file.</param>
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public Torrent(
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int id,
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string uploadName,
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DateTime uploadDate,
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Uri downloadURL,
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HttpClient client)
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{
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UploadDate = uploadDate;
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ID = id;
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UploadName = uploadName;
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DownloadURL = downloadURL;
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_client = client;
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}
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/// <summary>
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/// Gets the torrent unique ID given by nCore.
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/// </summary>
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public int ID { get; }
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/// <summary>
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/// Gets the uploadname given by the uploader.
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/// </summary>
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public string UploadName { get; }
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/// <summary>
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/// Gets when this torrent was uploaded to nCore (local time).
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/// </summary>
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public DateTime UploadDate { get; }
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/// <summary>
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/// Gets the absolute path for the .torrent file.
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/// </summary>
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public Uri DownloadURL { get; }
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/// <summary>
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/// Downloads this torrent .torrent file.
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/// </summary>
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/// <param name="destination">The path where the file should be placed.</param>
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/// <returns>Async <see cref="Task" />.</returns>
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public async Task DownloadAsFileTo(FileStream destination)
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{
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var response = await _client.GetAsync(DownloadURL).ConfigureAwait(false);
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await response.Content.CopyToAsync(destination).ConfigureAwait(false);
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}
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}
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}

‎src/PoLaKoSz.Ncore/NcoreClient.cs

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@@ -41,6 +41,7 @@ public NcoreClient(HttpClientHandler messageHandler)
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Login = new LoginEndPoint(client, cookies, authChecker, userConfig);
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Search = new SearchEndPoint(client, authChecker, userConfig);
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HitAndRuns = new HitAndRunEndPoint(client, authChecker);
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Torrent = new TorrentEndPoint(client, authChecker);
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}
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/// <summary>
@@ -57,5 +58,10 @@ public NcoreClient(HttpClientHandler messageHandler)
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/// Gets an access point to Hit'n'Run page.
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/// </summary>
5960
public IHitAndRunEndPoint HitAndRuns { get; }
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/// <summary>
63+
/// Gets an access point to a <see cref="Torrent" /> resource.
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/// </summary>
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public ITorrentEndPoint Torrent { get; }
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}
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}

‎src/PoLaKoSz.Ncore/Parsers/TorrentParser.cs

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using System;
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using System.Net.Http;
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using System.Threading.Tasks;
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using AngleSharp;
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using AngleSharp.Dom;
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using PoLaKoSz.Ncore.Exceptions;
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using PoLaKoSz.Ncore.Models;
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namespace PoLaKoSz.Ncore.Parsers
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{
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internal class TorrentParser
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{
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private static string torrentUrlShema = "torrents.php?action=addnews&id=";
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private readonly HttpClient _client;
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public TorrentParser(HttpClient client)
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{
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_client = client;
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}
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/// <exception cref="DeprecatedWrapperException"></exception>
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internal async Task<Torrent> ExtractResultFrom(string html)
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{
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var context = BrowsingContext.New(Configuration.Default);
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IDocument document = await context.OpenAsync(req => req.Content(html)).ConfigureAwait(false);
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IElement uploadNameNode = document.QuerySelector("div#details1 div.fobox_tartalom div.torrent_reszletek_cim");
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if (uploadNameNode == null)
29+
{
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throw new DeprecatedWrapperException("Couldn't find upload name!", document.DocumentElement);
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}
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IElement uploadDateTitleNode = document.QuerySelector("#details1 > div.fobox_tartalom > div.torrent_reszletek > div.torrent_col1 > div:nth-child(3)");
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if (uploadDateTitleNode == null)
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{
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throw new DeprecatedWrapperException("Couldn't find upload date title!", document.DocumentElement);
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}
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IElement uploadDateNode = uploadDateTitleNode.NextElementSibling;
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if (uploadDateNode == null)
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{
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throw new DeprecatedWrapperException("Couldn't find the upload date!", uploadDateTitleNode.ParentElement);
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}
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if (!DateTime.TryParse(uploadDateNode.TextContent, out DateTime uploadDate))
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{
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throw new DeprecatedWrapperException("Invalid upload date!", uploadDateNode);
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}
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return new Torrent(
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ParseID(document),
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uploadNameNode.TextContent,
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uploadDate,
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ParseTorrentFileUrl(document),
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_client);
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}
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private int ParseID(IDocument document)
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{
60+
IElement idNode = document.QuerySelector("div#details1 div.fobox_tartalom div.torrent_reszletek_konyvjelzo a:nth-child(2)");
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if (idNode == null)
62+
{
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throw new DeprecatedWrapperException("Couldn't find node to extract torrent ID!", document.DocumentElement);
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}
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if (!idNode.HasAttribute("href"))
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{
68+
throw new DeprecatedWrapperException("Node which should contain the ID is invalid!", idNode);
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}
70+
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string href = idNode.GetAttribute("href");
72+
if (href.Length <= torrentUrlShema.Length)
73+
{
74+
throw new DeprecatedWrapperException("Node which should contain the ID is invalid!", idNode);
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}
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string id = href.Substring(torrentUrlShema.Length);
78+
id = id.Substring(0, id.IndexOf("&"));
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return int.Parse(id);
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}
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private Uri ParseTorrentFileUrl(IDocument document)
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{
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IElement anchorNode = document.QuerySelector("div#details1 div.fobox_tartalom div.download a");
86+
if (anchorNode == null)
87+
{
88+
throw new DeprecatedWrapperException("Couldn't find node to extract torrent file URL!", document.DocumentElement);
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}
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91+
if (!anchorNode.HasAttribute("href"))
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{
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throw new DeprecatedWrapperException("Invalidd torrent file URL node!", anchorNode);
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}
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return new Uri($"{_client.BaseAddress}{anchorNode.GetAttribute("href")}");
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}
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}
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}

‎tests/Integration/EndPoints/TorrentEndPointTests.cs

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using System;
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using System.Threading.Tasks;
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using NUnit.Framework;
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using PoLaKoSz.Ncore.EndPoints;
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using PoLaKoSz.Ncore.Models;
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7+
namespace PoLaKoSz.Ncore.Tests.Integration.EndPoints
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{
9+
[TestFixture]
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internal class TorrentEndPointTests : IntegrationTestFixture
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{
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private ITorrentEndPoint endPoint;
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public TorrentEndPointTests()
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: base("TorrentEndPoint")
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{
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}
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[SetUp]
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public void SetUp()
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{
22+
endPoint = base.GetAuthenticatedClient().Torrent;
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}
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[Test]
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public async Task GetParseIdCorrectly()
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{
28+
SetServerResponse("movie");
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Torrent torrent = await endPoint.Get(-1).ConfigureAwait(false);
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Assert.That(torrent.ID, Is.EqualTo(1683491));
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}
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[Test]
36+
public async Task GetParseUploadNameCorrectly()
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{
38+
SetServerResponse("movie");
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Torrent torrent = await endPoint.Get(-1).ConfigureAwait(false);
41+
42+
Assert.That(torrent.UploadName, Is.EqualTo("The.Purge.Anarchy.2014.BDRip.XviD.Hungarian-nCORE"));
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}
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[Test]
46+
public async Task GetParseDownloadUrlCorrectly()
47+
{
48+
SetServerResponse("movie");
49+
50+
Torrent torrent = await endPoint.Get(-1).ConfigureAwait(false);
51+
52+
Assert.That(torrent.DownloadURL, Is.EqualTo(new Uri("https://ncore.cc/torrents.php?action=download&id=1683491&key=b6d64d585e5615c0721c1b008a7473bc")));
53+
}
54+
55+
[Test]
56+
public async Task GetParseUploadDateCorrectly()
57+
{
58+
SetServerResponse("movie");
59+
60+
Torrent torrent = await endPoint.Get(-1).ConfigureAwait(false);
61+
62+
Assert.That(torrent.UploadDate, Is.EqualTo(new DateTime(2014, 11, 09, 19, 11, 29, DateTimeKind.Local)));
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}
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}
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}

‎tests/Integration/Integration.csproj

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<None Update="StaticResources\HitAndRunEndPoint\multiple-torrents.html">
4242
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
4343
</None>
44+
<None Update="StaticResources\TorrentEndPoint\movie.html">
45+
<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
4447
</ItemGroup>
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</Project>

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