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330 lines
14 KiB
330 lines
14 KiB
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.IndexerSearch.Definitions;
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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 Logger _logger;
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public DownloadDecisionMaker(IEnumerable<IDecisionEngineSpecification> specifications, IParsingService parsingService, IConfigService configService, 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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_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 GetMovieDecisions(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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if (searchCriteriaBase.Movie != null)
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{
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return GetMovieDecisions(reports, searchCriteriaBase).ToList();
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}
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return GetDecisions(reports, searchCriteriaBase).ToList();
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}
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private IEnumerable<DownloadDecision> GetMovieDecisions(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 = Parser.Parser.ParseMovieTitle(report.Title, _configService.ParsingLeniency > 0);
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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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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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else
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{
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//Enhance Parsed Movie Info!
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result.RemoteMovie.ParsedMovieInfo = Parser.Parser.ParseMinimalMovieTitle(parsedMovieInfo.MovieTitle,
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result.RemoteMovie.Movie.Title, parsedMovieInfo.Year);
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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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//remoteMovie.DownloadAllowed = true;
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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 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 parsedEpisodeInfo = Parser.Parser.ParseTitle(report.Title);
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if (parsedEpisodeInfo == null || parsedEpisodeInfo.IsPossibleSpecialEpisode)
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{
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var specialEpisodeInfo = _parsingService.ParseSpecialEpisodeTitle(report.Title, report.TvdbId, report.TvRageId, searchCriteria);
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if (specialEpisodeInfo != null)
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{
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parsedEpisodeInfo = specialEpisodeInfo;
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}
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}
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if (parsedEpisodeInfo != null && !parsedEpisodeInfo.SeriesTitle.IsNullOrWhiteSpace())
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{
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var remoteEpisode = _parsingService.Map(parsedEpisodeInfo, report.TvdbId, report.TvRageId, searchCriteria);
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remoteEpisode.Release = report;
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if (remoteEpisode.Series == null)
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{
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//remoteEpisode.DownloadAllowed = true; //Fuck you :)
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//decision = GetDecisionForReport(remoteEpisode, searchCriteria);
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decision = new DownloadDecision(remoteEpisode, new Rejection("Unknown release. Series not Found."));
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}
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else if (remoteEpisode.Episodes.Empty())
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{
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decision = new DownloadDecision(remoteEpisode, new Rejection("Unable to parse episodes from release name"));
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}
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else
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{
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remoteEpisode.DownloadAllowed = remoteEpisode.Episodes.Any();
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decision = GetDecisionForReport(remoteEpisode, 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 remoteEpisode = new RemoteEpisode { Release = report };
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decision = new DownloadDecision(remoteEpisode, 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 remoteEpisode, SearchCriteriaBase searchCriteria = null)
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{
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var reasons = _specifications.Select(c => EvaluateSpec(c, remoteEpisode, searchCriteria))
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.Where(c => c != null);
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return new DownloadDecision(remoteEpisode, reasons.ToArray());
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}
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private DownloadDecision GetDecisionForReport(RemoteEpisode remoteEpisode, SearchCriteriaBase searchCriteria = null)
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{
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var reasons = _specifications.Select(c => EvaluateSpec(c, remoteEpisode, searchCriteria))
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.Where(c => c != null);
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return new DownloadDecision(remoteEpisode, reasons.ToArray());
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}
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private Rejection EvaluateSpec(IDecisionEngineSpecification spec, RemoteEpisode remoteEpisode, SearchCriteriaBase searchCriteriaBase = null)
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{
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try
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{
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var result = spec.IsSatisfiedBy(remoteEpisode, 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 (Exception e)
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{
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e.Data.Add("report", remoteEpisode.Release.ToJson());
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e.Data.Add("parsed", remoteEpisode.ParsedEpisodeInfo.ToJson());
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_logger.Error(e, "Couldn't evaluate decision on " + remoteEpisode.Release.Title + ", with spec: " + spec.GetType().Name);
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//return new Rejection(string.Format("{0}: {1}", spec.GetType().Name, e.Message));//TODO UPDATE SPECS!
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//return null;
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}
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return null;
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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 e)
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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 " + remoteMovie.Release.Title + ", with spec: " + spec.GetType().Name);
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return new Rejection(string.Format("{0}: {1}", spec.GetType().Name, e.Message));//TODO UPDATE SPECS!
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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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