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using System;
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using System.Collections.Generic;
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using System.Linq;
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using FluentValidation.Results;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Common.Http;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.Indexers.Newznab;
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using NzbDrone.Core.Parser;
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using NzbDrone.Core.ThingiProvider;
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namespace NzbDrone.Core.Indexers.Torznab
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{
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public class Torznab : HttpIndexerBase<TorznabSettings>
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{
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private readonly INewznabCapabilitiesProvider _capabilitiesProvider;
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public override string Name => "Torznab";
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public override DownloadProtocol Protocol => DownloadProtocol.Torrent;
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public override int PageSize => _capabilitiesProvider.GetCapabilities(Settings).DefaultPageSize;
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public override IIndexerRequestGenerator GetRequestGenerator()
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{
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return new NewznabRequestGenerator(_capabilitiesProvider)
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{
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PageSize = PageSize,
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Settings = Settings
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};
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}
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public override IParseIndexerResponse GetParser()
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{
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return new TorznabRssParser();
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}
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public override IEnumerable<ProviderDefinition> DefaultDefinitions
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{
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get
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{
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yield return GetDefinition("HD4Free.xyz", GetSettings("http://hd4free.xyz"));
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}
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}
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public Torznab(INewznabCapabilitiesProvider capabilitiesProvider, IHttpClient httpClient, IIndexerStatusService indexerStatusService, IConfigService configService, IParsingService parsingService, Logger logger)
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: base(httpClient, indexerStatusService, configService, parsingService, logger)
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{
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_capabilitiesProvider = capabilitiesProvider;
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}
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private IndexerDefinition GetDefinition(string name, TorznabSettings settings)
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{
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return new IndexerDefinition
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{
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EnableRss = false,
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EnableSearch = false,
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Name = name,
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Implementation = GetType().Name,
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Settings = settings,
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Protocol = DownloadProtocol.Usenet,
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SupportsRss = SupportsRss,
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SupportsSearch = SupportsSearch
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};
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}
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private TorznabSettings GetSettings(string url, params int[] categories)
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{
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var settings = new TorznabSettings { BaseUrl = url };
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if (categories.Any())
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{
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settings.Categories = categories;
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}
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return settings;
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}
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protected override void Test(List<ValidationFailure> failures)
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{
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base.Test(failures);
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if (failures.Any()) return;
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failures.AddIfNotNull(TestCapabilities());
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}
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protected virtual ValidationFailure TestCapabilities()
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{
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try
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{
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var capabilities = _capabilitiesProvider.GetCapabilities(Settings);
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if (capabilities.SupportedSearchParameters != null && capabilities.SupportedSearchParameters.Contains("q"))
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{
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return null;
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}
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if (capabilities.SupportedAudioSearchParameters != null &&
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new[] { "artist", "album" }.All(v => capabilities.SupportedAudioSearchParameters.Contains(v)))
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{
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return null;
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}
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return new ValidationFailure(string.Empty, "Indexer does not support required search parameters");
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}
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catch (Exception ex)
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{
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_logger.Warn(ex, "Unable to connect to indexer: " + ex.Message);
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return new ValidationFailure(string.Empty, "Unable to connect to indexer, check the log for more details");
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}
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}
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}
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}
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