mirror of https://github.com/Radarr/Radarr
210 lines
8.7 KiB
C#
210 lines
8.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using NLog;
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using NzbDrone.Common.Extensions;
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using NzbDrone.Common.Instrumentation.Extensions;
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using NzbDrone.Common.Serializer;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.DecisionEngine.Specifications;
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using NzbDrone.Core.IndexerSearch.Definitions;
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using NzbDrone.Core.Languages;
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using NzbDrone.Core.Parser;
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using NzbDrone.Core.Parser.Model;
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using NzbDrone.Core.Qualities;
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namespace NzbDrone.Core.DecisionEngine
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{
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public interface IMakeDownloadDecision
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{
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List<DownloadDecision> GetRssDecision(List<ReleaseInfo> reports);
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List<DownloadDecision> GetSearchDecision(List<ReleaseInfo> reports, SearchCriteriaBase searchCriteriaBase);
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}
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public class DownloadDecisionMaker : IMakeDownloadDecision
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{
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private readonly IEnumerable<IDecisionEngineSpecification> _specifications;
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private readonly IParsingService _parsingService;
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private readonly IConfigService _configService;
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private readonly IQualityDefinitionService _definitionService;
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private readonly Logger _logger;
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public DownloadDecisionMaker(IEnumerable<IDecisionEngineSpecification> specifications,
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IParsingService parsingService,
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IConfigService configService,
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IQualityDefinitionService qualityDefinitionService,
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Logger logger)
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{
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_specifications = specifications;
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_parsingService = parsingService;
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_configService = configService;
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_definitionService = qualityDefinitionService;
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_logger = logger;
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}
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public List<DownloadDecision> GetRssDecision(List<ReleaseInfo> reports)
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{
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return GetDecisions(reports).ToList();
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}
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public List<DownloadDecision> GetSearchDecision(List<ReleaseInfo> reports, SearchCriteriaBase searchCriteriaBase)
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{
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return GetDecisions(reports, searchCriteriaBase).ToList();
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}
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private IEnumerable<DownloadDecision> GetDecisions(List<ReleaseInfo> reports, SearchCriteriaBase searchCriteria = null)
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{
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if (reports.Any())
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{
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_logger.ProgressInfo("Processing {0} releases", reports.Count);
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}
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else
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{
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_logger.ProgressInfo("No results found");
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}
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var reportNumber = 1;
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foreach (var report in reports)
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{
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DownloadDecision decision = null;
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_logger.ProgressTrace("Processing release {0}/{1}", reportNumber, reports.Count);
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try
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{
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var parsedMovieInfo = _parsingService.ParseMovieInfo(report.Title, new List<object> { report });
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MappingResult result = null;
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if (parsedMovieInfo == null || parsedMovieInfo.MovieTitle.IsNullOrWhiteSpace())
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{
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_logger.Debug("{0} could not be parsed :(.", report.Title);
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parsedMovieInfo = new ParsedMovieInfo
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{
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MovieTitle = report.Title,
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Year = 1290,
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Languages = new List<Language> { Language.Unknown },
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Quality = new QualityModel(),
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};
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if (_configService.ParsingLeniency == ParsingLeniencyType.MappingLenient)
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{
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result = _parsingService.Map(parsedMovieInfo, report.ImdbId.ToString(), searchCriteria);
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}
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if (result == null || result.MappingResultType != MappingResultType.SuccessLenientMapping)
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{
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result = new MappingResult { MappingResultType = MappingResultType.NotParsable };
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result.Movie = null; //To ensure we have a remote movie, else null exception on next line!
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result.RemoteMovie.ParsedMovieInfo = parsedMovieInfo;
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}
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}
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else
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{
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result = _parsingService.Map(parsedMovieInfo, report.ImdbId.ToString(), searchCriteria);
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}
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result.ReleaseName = report.Title;
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var remoteMovie = result.RemoteMovie;
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remoteMovie.Release = report;
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remoteMovie.MappingResult = result.MappingResultType;
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if (result.MappingResultType != MappingResultType.Success && result.MappingResultType != MappingResultType.SuccessLenientMapping)
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{
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var rejection = result.ToRejection();
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decision = new DownloadDecision(remoteMovie, rejection);
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}
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else
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{
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if (parsedMovieInfo.Quality.HardcodedSubs.IsNotNullOrWhiteSpace())
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{
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//remoteMovie.DownloadAllowed = true;
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if (_configService.AllowHardcodedSubs)
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{
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decision = GetDecisionForReport(remoteMovie, searchCriteria);
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}
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else
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{
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var whitelisted = _configService.WhitelistedHardcodedSubs.Split(',');
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_logger.Debug("Testing: {0}", whitelisted);
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if (whitelisted != null && whitelisted.Any(t => (parsedMovieInfo.Quality.HardcodedSubs.ToLower().Contains(t.ToLower()) && t.IsNotNullOrWhiteSpace())))
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{
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decision = GetDecisionForReport(remoteMovie, searchCriteria);
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}
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else
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{
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decision = new DownloadDecision(remoteMovie, new Rejection("Hardcoded subs found: " + parsedMovieInfo.Quality.HardcodedSubs));
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}
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}
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}
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else
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{
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// _aggregationService.Augment(remoteMovie);
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remoteMovie.DownloadAllowed = remoteMovie.Movie != null;
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decision = GetDecisionForReport(remoteMovie, searchCriteria);
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}
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}
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}
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catch (Exception e)
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{
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_logger.Error(e, "Couldn't process release.");
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var remoteMovie = new RemoteMovie { Release = report };
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decision = new DownloadDecision(remoteMovie, new Rejection("Unexpected error processing release"));
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}
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reportNumber++;
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if (decision != null)
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{
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if (decision.Rejections.Any())
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{
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_logger.Debug("Release rejected for the following reasons: {0}", string.Join(", ", decision.Rejections));
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}
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else
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{
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_logger.Debug("Release accepted");
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}
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yield return decision;
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}
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}
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}
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private DownloadDecision GetDecisionForReport(RemoteMovie remoteMovie, SearchCriteriaBase searchCriteria = null)
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{
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var reasons = _specifications.Select(c => EvaluateSpec(c, remoteMovie, searchCriteria))
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.Where(c => c != null);
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return new DownloadDecision(remoteMovie, reasons.ToArray());
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}
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private Rejection EvaluateSpec(IDecisionEngineSpecification spec, RemoteMovie remoteMovie, SearchCriteriaBase searchCriteriaBase = null)
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{
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try
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{
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var result = spec.IsSatisfiedBy(remoteMovie, searchCriteriaBase);
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if (!result.Accepted)
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{
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return new Rejection(result.Reason, spec.Type);
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}
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}
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catch (NotImplementedException)
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{
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_logger.Trace("Spec " + spec.GetType().Name + " does not care about movies.");
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}
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catch (Exception e)
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{
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e.Data.Add("report", remoteMovie.Release.ToJson());
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e.Data.Add("parsed", remoteMovie.ParsedMovieInfo.ToJson());
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_logger.Error(e, "Couldn't evaluate decision on {0}, with spec: {1}", remoteMovie.Release.Title, spec.GetType().Name);
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return new Rejection($"{spec.GetType().Name}: {e.Message}");
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}
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return null;
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}
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}
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}
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