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128 lines
4.5 KiB
128 lines
4.5 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.Disk;
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using NzbDrone.Common.EnvironmentInfo;
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using NzbDrone.Common.Instrumentation.Extensions;
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using NzbDrone.Core.Configuration;
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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.Music;
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namespace NzbDrone.Core.MediaFiles
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{
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public interface IUpdateTrackFileService
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{
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void ChangeFileDateForFile(BookFile trackFile, Author artist, Book book);
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}
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public class UpdateTrackFileService : IUpdateTrackFileService,
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IHandle<ArtistScannedEvent>
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{
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private readonly IDiskProvider _diskProvider;
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private readonly IAlbumService _albumService;
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private readonly IConfigService _configService;
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private readonly Logger _logger;
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private static readonly DateTime EpochTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
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public UpdateTrackFileService(IDiskProvider diskProvider,
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IConfigService configService,
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IAlbumService albumService,
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Logger logger)
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{
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_diskProvider = diskProvider;
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_configService = configService;
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_albumService = albumService;
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_logger = logger;
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}
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public void ChangeFileDateForFile(BookFile trackFile, Author artist, Book book)
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{
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ChangeFileDate(trackFile, book);
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}
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private bool ChangeFileDate(BookFile trackFile, Book album)
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{
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var trackFilePath = trackFile.Path;
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switch (_configService.FileDate)
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{
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case FileDateType.AlbumReleaseDate:
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{
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if (!album.ReleaseDate.HasValue)
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{
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_logger.Debug("Could not create valid date to change file [{0}]", trackFilePath);
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return false;
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}
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var relDate = album.ReleaseDate.Value;
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// avoiding false +ve checks and set date skewing by not using UTC (Windows)
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var oldDateTime = _diskProvider.FileGetLastWrite(trackFilePath);
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if (OsInfo.IsNotWindows && relDate < EpochTime)
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{
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_logger.Debug("Setting date of file to 1970-01-01 as actual airdate is before that time and will not be set properly");
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relDate = EpochTime;
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}
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if (!DateTime.Equals(relDate, oldDateTime))
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{
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try
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{
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_diskProvider.FileSetLastWriteTime(trackFilePath, relDate);
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_logger.Debug("Date of file [{0}] changed from '{1}' to '{2}'", trackFilePath, oldDateTime, relDate);
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return true;
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}
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catch (Exception ex)
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{
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_logger.Warn(ex, "Unable to set date of file [" + trackFilePath + "]");
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}
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}
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return false;
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}
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}
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return false;
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}
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public void Handle(ArtistScannedEvent message)
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{
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if (_configService.FileDate == FileDateType.None)
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{
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return;
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}
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var books = _albumService.GetArtistAlbumsWithFiles(message.Artist);
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var trackFiles = new List<BookFile>();
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var updated = new List<BookFile>();
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foreach (var book in books)
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{
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var files = book.BookFiles.Value;
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foreach (var file in files)
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{
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trackFiles.Add(file);
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if (ChangeFileDate(file, book))
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{
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updated.Add(file);
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}
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}
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}
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if (updated.Any())
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{
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_logger.ProgressDebug("Changed file date for {0} files of {1} in {2}", updated.Count, trackFiles.Count, message.Artist.Name);
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}
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else
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{
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_logger.ProgressDebug("No file dates changed for {0}", message.Artist.Name);
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}
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}
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}
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}
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