mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-07 11:57:55 +02:00
259 lines
8.8 KiB
C#
259 lines
8.8 KiB
C#
using Emby.Naming.Common;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using MediaBrowser.Model.IO;
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using System.Text.RegularExpressions;
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namespace Emby.Naming.Video
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{
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public class VideoListResolver
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{
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private readonly NamingOptions _options;
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public VideoListResolver(NamingOptions options)
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{
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_options = options;
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}
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public IEnumerable<VideoInfo> Resolve(List<FileSystemMetadata> files, bool supportMultiVersion = true)
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{
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var videoResolver = new VideoResolver(_options);
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var videoInfos = files
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.Select(i => videoResolver.Resolve(i.FullName, i.IsDirectory))
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.Where(i => i != null)
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.ToList();
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// Filter out all extras, otherwise they could cause stacks to not be resolved
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// See the unit test TestStackedWithTrailer
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var nonExtras = videoInfos
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.Where(i => string.IsNullOrEmpty(i.ExtraType))
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.Select(i => new FileSystemMetadata
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{
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FullName = i.Path,
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IsDirectory = i.IsDirectory
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});
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var stackResult = new StackResolver(_options)
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.Resolve(nonExtras);
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var remainingFiles = videoInfos
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.Where(i => !stackResult.Stacks.Any(s => s.ContainsFile(i.Path, i.IsDirectory)))
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.ToList();
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var list = new List<VideoInfo>();
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foreach (var stack in stackResult.Stacks)
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{
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var info = new VideoInfo
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{
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Files = stack.Files.Select(i => videoResolver.Resolve(i, stack.IsDirectoryStack)).ToList(),
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Name = stack.Name
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};
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info.Year = info.Files.First().Year;
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var extraBaseNames = new List<string>
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{
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stack.Name,
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Path.GetFileNameWithoutExtension(stack.Files[0])
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};
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var extras = GetExtras(remainingFiles, extraBaseNames);
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if (extras.Count > 0)
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{
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remainingFiles = remainingFiles
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.Except(extras)
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.ToList();
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info.Extras = extras;
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}
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list.Add(info);
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}
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var standaloneMedia = remainingFiles
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.Where(i => string.IsNullOrEmpty(i.ExtraType))
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.ToList();
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foreach (var media in standaloneMedia)
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{
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var info = new VideoInfo
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{
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Files = new List<VideoFileInfo> { media },
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Name = media.Name
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};
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info.Year = info.Files.First().Year;
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var extras = GetExtras(remainingFiles, new List<string> { media.FileNameWithoutExtension });
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remainingFiles = remainingFiles
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.Except(extras.Concat(new[] { media }))
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.ToList();
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info.Extras = extras;
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list.Add(info);
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}
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if (supportMultiVersion)
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{
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list = GetVideosGroupedByVersion(list)
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.ToList();
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}
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// If there's only one resolved video, use the folder name as well to find extras
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if (list.Count == 1)
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{
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var info = list[0];
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var videoPath = list[0].Files[0].Path;
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var parentPath = Path.GetDirectoryName(videoPath);
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if (!string.IsNullOrEmpty(parentPath))
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{
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var folderName = Path.GetFileName(Path.GetDirectoryName(videoPath));
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if (!string.IsNullOrEmpty(folderName))
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{
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var extras = GetExtras(remainingFiles, new List<string> { folderName });
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remainingFiles = remainingFiles
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.Except(extras)
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.ToList();
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info.Extras.AddRange(extras);
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}
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}
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// Add the extras that are just based on file name as well
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var extrasByFileName = remainingFiles
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.Where(i => i.ExtraRule != null && i.ExtraRule.RuleType == ExtraRuleType.Filename)
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.ToList();
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remainingFiles = remainingFiles
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.Except(extrasByFileName)
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.ToList();
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info.Extras.AddRange(extrasByFileName);
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}
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// If there's only one video, accept all trailers
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// Be lenient because people use all kinds of mish mash conventions with trailers
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if (list.Count == 1)
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{
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var trailers = remainingFiles
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.Where(i => string.Equals(i.ExtraType, "trailer", StringComparison.OrdinalIgnoreCase))
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.ToList();
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list[0].Extras.AddRange(trailers);
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remainingFiles = remainingFiles
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.Except(trailers)
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.ToList();
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}
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// Whatever files are left, just add them
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list.AddRange(remainingFiles.Select(i => new VideoInfo
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{
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Files = new List<VideoFileInfo> { i },
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Name = i.Name,
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Year = i.Year
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}));
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var orderedList = list.OrderBy(i => i.Name);
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return orderedList;
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}
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private IEnumerable<VideoInfo> GetVideosGroupedByVersion(List<VideoInfo> videos)
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{
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if (videos.Count == 0)
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{
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return videos;
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}
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var list = new List<VideoInfo>();
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var folderName = Path.GetFileName(Path.GetDirectoryName(videos[0].Files[0].Path));
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if (!string.IsNullOrEmpty(folderName) && folderName.Length > 1)
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{
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if (videos.All(i => i.Files.Count == 1 && IsEligibleForMultiVersion(folderName, i.Files[0].Path)))
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{
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// Enforce the multi-version limit
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if (videos.Count <= 8 && HaveSameYear(videos))
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{
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var ordered = videos.OrderBy(i => i.Name).ToList();
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list.Add(ordered[0]);
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list[0].AlternateVersions = ordered.Skip(1).Select(i => i.Files[0]).ToList();
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list[0].Name = folderName;
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list[0].Extras.AddRange(ordered.Skip(1).SelectMany(i => i.Extras));
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return list;
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}
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}
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}
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return videos;
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//foreach (var video in videos.OrderBy(i => i.Name))
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//{
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// var match = list
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// .FirstOrDefault(i => string.Equals(i.Name, video.Name, StringComparison.OrdinalIgnoreCase));
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// if (match != null && video.Files.Count == 1 && match.Files.Count == 1)
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// {
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// match.AlternateVersions.Add(video.Files[0]);
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// match.Extras.AddRange(video.Extras);
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// }
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// else
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// {
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// list.Add(video);
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// }
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//}
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//return list;
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}
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private bool HaveSameYear(List<VideoInfo> videos)
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{
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return videos.Select(i => i.Year ?? -1).Distinct().Count() < 2;
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}
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private bool IsEligibleForMultiVersion(string folderName, string testFilename)
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{
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testFilename = Path.GetFileNameWithoutExtension(testFilename);
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if (string.Equals(folderName, testFilename, StringComparison.OrdinalIgnoreCase))
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{
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return true;
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}
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if (testFilename.StartsWith(folderName, StringComparison.OrdinalIgnoreCase))
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{
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testFilename = testFilename.Substring(folderName.Length).Trim();
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return testFilename.StartsWith("-", StringComparison.OrdinalIgnoreCase)||Regex.Replace(testFilename, @"\[([^]]*)\]", "").Trim() == String.Empty;
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}
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return false;
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}
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private List<VideoFileInfo> GetExtras(IEnumerable<VideoFileInfo> remainingFiles, List<string> baseNames)
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{
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foreach (var name in baseNames.ToList())
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{
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var trimmedName = name.TrimEnd().TrimEnd(_options.VideoFlagDelimiters).TrimEnd();
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baseNames.Add(trimmedName);
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}
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return remainingFiles
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.Where(i => !string.IsNullOrEmpty(i.ExtraType))
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.Where(i => baseNames.Any(b => i.FileNameWithoutExtension.StartsWith(b, StringComparison.OrdinalIgnoreCase)))
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.ToList();
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}
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}
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}
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