mirror of https://github.com/lidarr/Lidarr
107 lines
4.5 KiB
C#
107 lines
4.5 KiB
C#
using System;
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using System.Collections.Generic;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.History;
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using NzbDrone.Core.IndexerSearch.Definitions;
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using NzbDrone.Core.Parser.Model;
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using NzbDrone.Core.Profiles.Releases;
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using NzbDrone.Core.Qualities;
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namespace NzbDrone.Core.DecisionEngine.Specifications.RssSync
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{
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public class HistorySpecification : IDecisionEngineSpecification
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{
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private readonly IHistoryService _historyService;
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private readonly UpgradableSpecification _upgradableSpecification;
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private readonly IConfigService _configService;
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private readonly IPreferredWordService _preferredWordServiceCalculator;
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private readonly Logger _logger;
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public HistorySpecification(IHistoryService historyService,
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UpgradableSpecification qualityUpgradableSpecification,
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IConfigService configService,
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IPreferredWordService preferredWordServiceCalculator,
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Logger logger)
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{
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_historyService = historyService;
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_upgradableSpecification = qualityUpgradableSpecification;
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_configService = configService;
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_preferredWordServiceCalculator = preferredWordServiceCalculator;
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_logger = logger;
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}
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public SpecificationPriority Priority => SpecificationPriority.Database;
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public RejectionType Type => RejectionType.Permanent;
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public virtual Decision IsSatisfiedBy(RemoteAlbum subject, SearchCriteriaBase searchCriteria)
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{
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if (searchCriteria != null)
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{
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_logger.Debug("Skipping history check during search");
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return Decision.Accept();
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}
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var cdhEnabled = _configService.EnableCompletedDownloadHandling;
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_logger.Debug("Performing history status check on report");
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foreach (var album in subject.Albums)
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{
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_logger.Debug("Checking current status of album [{0}] in history", album.Id);
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var mostRecent = _historyService.MostRecentForAlbum(album.Id);
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if (mostRecent != null && mostRecent.EventType == EntityHistoryEventType.Grabbed)
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{
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var recent = mostRecent.Date.After(DateTime.UtcNow.AddHours(-12));
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if (!recent && cdhEnabled)
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{
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continue;
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}
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// The artist will be the same as the one in history since it's the same album.
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// Instead of fetching the artist from the DB reuse the known artist.
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var preferredWordScore = _preferredWordServiceCalculator.Calculate(subject.Artist, mostRecent.SourceTitle, subject.Release?.IndexerId ?? 0);
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var cutoffUnmet = _upgradableSpecification.CutoffNotMet(
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subject.Artist.QualityProfile,
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new List<QualityModel> { mostRecent.Quality },
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preferredWordScore,
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subject.ParsedAlbumInfo.Quality,
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subject.PreferredWordScore);
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var upgradeable = _upgradableSpecification.IsUpgradable(
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subject.Artist.QualityProfile,
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new List<QualityModel> { mostRecent.Quality },
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preferredWordScore,
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subject.ParsedAlbumInfo.Quality,
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subject.PreferredWordScore);
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if (!cutoffUnmet)
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{
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if (recent)
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{
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return Decision.Reject("Recent grab event in history already meets cutoff: {0}", mostRecent.Quality);
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}
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return Decision.Reject("CDH is disabled and grab event in history already meets cutoff: {0}", mostRecent.Quality);
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}
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if (!upgradeable)
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{
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if (recent)
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{
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return Decision.Reject("Recent grab event in history is of equal or higher quality: {0}", mostRecent.Quality);
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}
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return Decision.Reject("CDH is disabled and grab event in history is of equal or higher quality: {0}", mostRecent.Quality);
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}
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}
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}
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return Decision.Accept();
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}
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}
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}
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