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92 lines
3.3 KiB
92 lines
3.3 KiB
using System.Collections.Generic;
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using System.IO;
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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.Core.Profiles.Releases;
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using NzbDrone.Core.Tv;
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namespace NzbDrone.Core.MediaFiles
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{
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public interface IEpisodeFilePreferredWordCalculator
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{
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int Calculate(Series series, EpisodeFile episodeFile);
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}
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public class EpisodeFilePreferredWordCalculator : IEpisodeFilePreferredWordCalculator
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{
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private readonly IPreferredWordService _preferredWordService;
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private readonly Logger _logger;
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public EpisodeFilePreferredWordCalculator(IPreferredWordService preferredWordService, Logger logger)
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{
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_preferredWordService = preferredWordService;
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_logger = logger;
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}
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public int Calculate(Series series, EpisodeFile episodeFile)
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{
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var scores = new List<int>();
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if (episodeFile.SceneName.IsNotNullOrWhiteSpace())
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{
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AddScoreIfApplicable(series, episodeFile.SceneName, scores);
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}
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else
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{
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_logger.Trace("No stored scene name for {0}", episodeFile);
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}
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// The file may not have a screen name if the file/folder name contained spaces, but the original path is still store and valuable.
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if (episodeFile.OriginalFilePath.IsNotNullOrWhiteSpace())
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{
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var segments = episodeFile.OriginalFilePath.Split(Path.DirectorySeparatorChar).ToList();
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for (int i = 0; i < segments.Count; i++)
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{
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var isLast = i == segments.Count - 1;
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var segment = isLast ? Path.GetFileNameWithoutExtension(segments[i]) : segments[i];
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AddScoreIfApplicable(series, segment, scores);
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}
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}
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else
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{
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_logger.Trace("No stored scene name for {0}", episodeFile);
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}
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// Calculate using RelativePath or Path, but not both
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if (episodeFile.RelativePath.IsNotNullOrWhiteSpace())
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{
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AddScoreIfApplicable(series, episodeFile.RelativePath, scores);
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}
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else if (episodeFile.Path.IsNotNullOrWhiteSpace())
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{
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AddScoreIfApplicable(series, episodeFile.Path, scores);
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}
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// Return the highest score, this will allow media info in file names to be used to improve preferred word scoring.
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// TODO: A full map of preferred words should be de-duped and used to create an aggregated score using the scene name and the file name.
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return scores.MaxOrDefault();
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}
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private void AddScoreIfApplicable(Series series, string title, List<int> scores)
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{
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var score = 0;
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_logger.Trace("Calculating preferred word score for '{0}'", title);
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var matchingPairs = _preferredWordService.GetMatchingPreferredWordsAndScores(series, title, 0);
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// Only add the score if there are matching terms
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if (matchingPairs.Any())
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{
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score = matchingPairs.Sum(p => p.Value);
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scores.Add(score);
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}
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_logger.Trace("Calculated preferred word score for '{0}': {1} ({2} match(es))", title, score, matchingPairs.Count);
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}
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}
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}
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