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using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Threading;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Persistence;
using MediaBrowser.Model.Entities;
using Microsoft.Extensions.Logging;
namespace Jellyfin.Server.Migrations.Routines
{
/// <summary>
/// Fixes the data column of audio types to be deserializable.
/// </summary>
[JellyfinMigration("2025-04-20T18:00:00", nameof(FixAudioData), "CF6FABC2-9FBE-4933-84A5-FFE52EF22A58")]
#pragma warning disable CS0618 // Type or member is obsolete
internal class FixAudioData : IMigrationRoutine
#pragma warning restore CS0618 // Type or member is obsolete
{
private const string DbFilename = "library.db";
private readonly ILogger<FixAudioData> _logger;
private readonly IServerApplicationPaths _applicationPaths;
private readonly IItemRepository _itemRepository;
public FixAudioData(
IServerApplicationPaths applicationPaths,
ILoggerFactory loggerFactory,
IItemRepository itemRepository)
{
_applicationPaths = applicationPaths;
_itemRepository = itemRepository;
_logger = loggerFactory.CreateLogger<FixAudioData>();
}
/// <inheritdoc/>
public void Perform()
{
var dbPath = Path.Combine(_applicationPaths.DataPath, DbFilename);
// Back up the database before modifying any entries
for (int i = 1; ; i++)
{
var bakPath = string.Format(CultureInfo.InvariantCulture, "{0}.bak{1}", dbPath, i);
if (!File.Exists(bakPath))
{
try
{
_logger.LogInformation("Backing up {Library} to {BackupPath}", DbFilename, bakPath);
File.Copy(dbPath, bakPath);
_logger.LogInformation("{Library} backed up to {BackupPath}", DbFilename, bakPath);
break;
}
catch (Exception ex)
{
_logger.LogError(ex, "Cannot make a backup of {Library} at path {BackupPath}", DbFilename, bakPath);
throw;
}
}
}
_logger.LogInformation("Backfilling audio lyrics data to database.");
var startIndex = 0;
var records = _itemRepository.GetCount(new InternalItemsQuery
{
IncludeItemTypes = [BaseItemKind.Audio],
});
while (startIndex < records)
{
var results = _itemRepository.GetItemList(new InternalItemsQuery
{
IncludeItemTypes = [BaseItemKind.Audio],
StartIndex = startIndex,
Limit = 5000,
SkipDeserialization = true
})
.Cast<Audio>()
.ToList();
foreach (var audio in results)
{
var lyricMediaStreams = audio.GetMediaStreams().Where(s => s.Type == MediaStreamType.Lyric).Select(s => s.Path).ToList();
if (lyricMediaStreams.Count > 0)
{
audio.HasLyrics = true;
audio.LyricFiles = lyricMediaStreams;
}
}
_itemRepository.SaveItems(results, CancellationToken.None);
startIndex += results.Count;
_logger.LogInformation("Backfilled data for {UpdatedRecords} of {TotalRecords} audio records", startIndex, records);
}
}
}
}
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