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304 lines
11 KiB
304 lines
11 KiB
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 NLog;
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using NzbDrone.Common.Disk;
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using NzbDrone.Common.Instrumentation.Extensions;
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using NzbDrone.Core.Books;
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using NzbDrone.Core.Configuration;
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using NzbDrone.Core.MediaCover;
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using NzbDrone.Core.MediaFiles.Commands;
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using NzbDrone.Core.MediaFiles.Events;
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using NzbDrone.Core.Messaging.Events;
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using NzbDrone.Core.Parser.Model;
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using TagLib;
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namespace NzbDrone.Core.MediaFiles
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{
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public interface IAudioTagService
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{
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ParsedTrackInfo ReadTags(string file);
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void WriteTags(BookFile trackfile, bool newDownload, bool force = false);
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void SyncTags(List<Edition> tracks);
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List<RetagBookFilePreview> GetRetagPreviewsByAuthor(int authorId);
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List<RetagBookFilePreview> GetRetagPreviewsByBook(int bookId);
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void RetagFiles(RetagFilesCommand message);
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void RetagAuthor(RetagAuthorCommand message);
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}
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public class AudioTagService : IAudioTagService
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{
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private readonly IConfigService _configService;
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private readonly IMediaFileService _mediaFileService;
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private readonly IDiskProvider _diskProvider;
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private readonly IRootFolderWatchingService _rootFolderWatchingService;
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private readonly IAuthorService _authorService;
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private readonly IMapCoversToLocal _mediaCoverService;
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private readonly IEventAggregator _eventAggregator;
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private readonly Logger _logger;
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public AudioTagService(IConfigService configService,
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IMediaFileService mediaFileService,
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IDiskProvider diskProvider,
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IRootFolderWatchingService rootFolderWatchingService,
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IAuthorService authorService,
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IMapCoversToLocal mediaCoverService,
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IEventAggregator eventAggregator,
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Logger logger)
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{
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_configService = configService;
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_mediaFileService = mediaFileService;
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_diskProvider = diskProvider;
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_rootFolderWatchingService = rootFolderWatchingService;
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_authorService = authorService;
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_mediaCoverService = mediaCoverService;
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_eventAggregator = eventAggregator;
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_logger = logger;
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}
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public AudioTag ReadAudioTag(string path)
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{
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return new AudioTag(path);
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}
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public ParsedTrackInfo ReadTags(string path)
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{
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return new AudioTag(path);
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}
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public AudioTag GetTrackMetadata(BookFile trackfile)
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{
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var edition = trackfile.Edition.Value;
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var book = edition.Book.Value;
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var author = book.Author.Value;
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var partCount = edition.BookFiles.Value.Count;
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var fileTags = ReadAudioTag(trackfile.Path);
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var cover = edition.Images.FirstOrDefault(x => x.CoverType == MediaCoverTypes.Cover);
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string imageFile = null;
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long imageSize = 0;
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if (cover != null)
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{
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imageFile = _mediaCoverService.GetCoverPath(book.Id, MediaCoverEntity.Book, cover.CoverType, cover.Extension, null);
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_logger.Trace($"Embedding: {imageFile}");
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var fileInfo = _diskProvider.GetFileInfo(imageFile);
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if (fileInfo.Exists)
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{
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imageSize = fileInfo.Length;
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}
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else
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{
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imageFile = null;
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}
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}
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return new AudioTag
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{
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Title = edition.Title,
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Performers = new[] { author.Name },
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BookAuthors = new[] { author.Name },
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Track = (uint)trackfile.Part,
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TrackCount = (uint)partCount,
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Book = book.Title,
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Disc = fileTags.Disc,
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DiscCount = fileTags.DiscCount,
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// We may have omitted media so index in the list isn't the same as medium number
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Media = fileTags.Media,
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Date = edition.ReleaseDate,
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Year = (uint)(edition.ReleaseDate?.Year ?? 0),
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OriginalReleaseDate = book.ReleaseDate,
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OriginalYear = (uint)(book.ReleaseDate?.Year ?? 0),
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Publisher = edition.Publisher,
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Genres = new string[0],
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ImageFile = imageFile,
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ImageSize = imageSize,
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};
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}
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private void UpdateTrackfileSizeAndModified(BookFile trackfile, string path)
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{
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// update the saved file size so that the importer doesn't get confused on the next scan
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var fileInfo = _diskProvider.GetFileInfo(path);
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trackfile.Size = fileInfo.Length;
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trackfile.Modified = fileInfo.LastWriteTimeUtc;
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if (trackfile.Id > 0)
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{
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_mediaFileService.Update(trackfile);
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}
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}
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public void RemoveAllTags(string path)
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{
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TagLib.File file = null;
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try
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{
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file = TagLib.File.Create(path);
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file.RemoveTags(TagLib.TagTypes.AllTags);
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file.Save();
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}
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catch (CorruptFileException ex)
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{
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_logger.Warn(ex, $"Tag removal failed for {path}. File is corrupt");
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}
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catch (Exception ex)
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{
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_logger.ForWarnEvent()
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.Exception(ex)
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.Message($"Tag removal failed for {path}")
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.WriteSentryWarn("Tag removal failed")
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.Log();
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}
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finally
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{
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file?.Dispose();
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}
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}
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public void WriteTags(BookFile trackfile, bool newDownload, bool force = false)
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{
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if (!force)
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{
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if (_configService.WriteAudioTags == WriteAudioTagsType.No ||
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(_configService.WriteAudioTags == WriteAudioTagsType.NewFiles && !newDownload))
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{
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return;
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}
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}
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var newTags = GetTrackMetadata(trackfile);
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var path = trackfile.Path;
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var diff = ReadAudioTag(path).Diff(newTags);
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if (!diff.Any())
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{
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_logger.Debug("No tags update for {0} due to no difference", trackfile);
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return;
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}
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_rootFolderWatchingService.ReportFileSystemChangeBeginning(path);
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if (_configService.ScrubAudioTags)
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{
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_logger.Debug($"Scrubbing tags for {trackfile}");
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RemoveAllTags(path);
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}
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_logger.Debug($"Writing tags for {trackfile}");
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newTags.Write(path);
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UpdateTrackfileSizeAndModified(trackfile, path);
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_eventAggregator.PublishEvent(new BookFileRetaggedEvent(trackfile.Author.Value, trackfile, diff, _configService.ScrubAudioTags));
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}
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public void SyncTags(List<Edition> editions)
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{
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if (_configService.WriteAudioTags != WriteAudioTagsType.Sync)
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{
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return;
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}
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// get the tracks to update
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foreach (var edition in editions)
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{
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var bookFiles = edition.BookFiles.Value;
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_logger.Debug($"Syncing audio tags for {bookFiles.Count} files");
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foreach (var file in bookFiles.Where(x => MediaFileExtensions.AudioExtensions.Contains(Path.GetExtension(x.Path))))
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{
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// populate tracks (which should also have release/book/author set) because
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// not all of the updates will have been committed to the database yet
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file.Edition = edition;
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WriteTags(file, false);
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}
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}
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}
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public List<RetagBookFilePreview> GetRetagPreviewsByAuthor(int authorId)
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{
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var files = _mediaFileService.GetFilesByAuthor(authorId);
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return GetPreviews(files).OrderBy(b => b.BookId).ThenBy(b => b.Path).ToList();
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}
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public List<RetagBookFilePreview> GetRetagPreviewsByBook(int bookId)
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{
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var files = _mediaFileService.GetFilesByBook(bookId);
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return GetPreviews(files).OrderBy(b => b.BookId).ThenBy(b => b.Path).ToList();
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}
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private IEnumerable<RetagBookFilePreview> GetPreviews(List<BookFile> files)
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{
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foreach (var f in files.Where(x => MediaFileExtensions.AudioExtensions.Contains(Path.GetExtension(x.Path))).OrderBy(x => x.Edition.Value.Title))
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{
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var file = f;
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if (f.Edition.Value == null)
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{
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_logger.Warn($"File {f} is not linked to any books");
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continue;
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}
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var oldTags = ReadAudioTag(f.Path);
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var newTags = GetTrackMetadata(f);
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var diff = oldTags.Diff(newTags);
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if (diff.Any())
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{
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yield return new RetagBookFilePreview
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{
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AuthorId = file.Author.Value.Id,
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BookId = file.Edition.Value.Id,
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BookFileId = file.Id,
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Path = file.Path,
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Changes = diff
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};
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}
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}
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}
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public void RetagFiles(RetagFilesCommand message)
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{
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var author = _authorService.GetAuthor(message.AuthorId);
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var bookFiles = _mediaFileService.Get(message.Files);
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var audioFiles = bookFiles.Where(x => MediaFileExtensions.AudioExtensions.Contains(Path.GetExtension(x.Path))).ToList();
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_logger.ProgressInfo("Re-tagging {0} audio files for {1}", audioFiles.Count, author.Name);
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foreach (var file in audioFiles)
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{
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WriteTags(file, false, force: true);
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}
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_logger.ProgressInfo("Selected audio files re-tagged for {0}", author.Name);
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}
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public void RetagAuthor(RetagAuthorCommand message)
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{
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_logger.Debug("Re-tagging all audio files for selected authors");
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var authorToRename = _authorService.GetAuthors(message.AuthorIds);
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foreach (var author in authorToRename)
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{
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var bookFiles = _mediaFileService.GetFilesByAuthor(author.Id);
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var audioFiles = bookFiles.Where(x => MediaFileExtensions.AudioExtensions.Contains(Path.GetExtension(x.Path))).ToList();
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_logger.ProgressInfo("Re-tagging all audio files for author: {0}", author.Name);
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foreach (var file in audioFiles)
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{
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WriteTags(file, false, force: true);
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}
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_logger.ProgressInfo("All audio files re-tagged for {0}", author.Name);
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}
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}
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}
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}
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