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using System;
using System.Collections.Generic;
using System.Linq;
using Jellyfin.Data.Enums;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Providers.Manager;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.Music
{
/// <summary>
/// The album metadata service.
/// </summary>
public class AlbumMetadataService : MetadataService<MusicAlbum, AlbumInfo>
{
/// <summary>
/// Initializes a new instance of the <see cref="AlbumMetadataService"/> class.
/// </summary>
/// <param name="serverConfigurationManager">Instance of the <see cref="IServerConfigurationManager"/>.</param>
/// <param name="logger">Instance of the <see cref="ILogger"/> interface.</param>
/// <param name="providerManager">Instance of the <see cref="IProviderManager"/> interface.</param>
/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
public AlbumMetadataService(
IServerConfigurationManager serverConfigurationManager,
ILogger<AlbumMetadataService> logger,
IProviderManager providerManager,
IFileSystem fileSystem,
ILibraryManager libraryManager)
: base(serverConfigurationManager, logger, providerManager, fileSystem, libraryManager)
{
}
/// <inheritdoc />
protected override bool EnableUpdatingPremiereDateFromChildren => true;
/// <inheritdoc />
protected override bool EnableUpdatingGenresFromChildren => true;
/// <inheritdoc />
protected override bool EnableUpdatingStudiosFromChildren => true;
/// <inheritdoc />
protected override IList<BaseItem> GetChildrenForMetadataUpdates(MusicAlbum item)
=> item.GetRecursiveChildren(i => i is Audio);
/// <inheritdoc />
protected override ItemUpdateType UpdateMetadataFromChildren(MusicAlbum item, IList<BaseItem> children, bool isFullRefresh, ItemUpdateType currentUpdateType)
{
var updateType = base.UpdateMetadataFromChildren(item, children, isFullRefresh, currentUpdateType);
// don't update user-changeable metadata for locked items
if (item.IsLocked)
{
return updateType;
}
if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
{
if (!item.LockedFields.Contains(MetadataField.Name))
{
var name = children.Select(i => i.Album).FirstOrDefault(i => !string.IsNullOrEmpty(i));
if (!string.IsNullOrEmpty(name)
&& !string.Equals(item.Name, name, StringComparison.Ordinal))
{
item.Name = name;
updateType |= ItemUpdateType.MetadataEdit;
}
}
var songs = children.Cast<Audio>().ToArray();
updateType |= SetArtistsFromSongs(item, songs);
updateType |= SetAlbumArtistFromSongs(item, songs);
updateType |= SetAlbumFromSongs(item, songs);
updateType |= SetPeople(item);
}
return updateType;
}
private ItemUpdateType SetAlbumArtistFromSongs(MusicAlbum item, IReadOnlyList<Audio> songs)
{
var updateType = ItemUpdateType.None;
var albumArtists = songs
.SelectMany(i => i.AlbumArtists)
.GroupBy(i => i)
.OrderByDescending(g => g.Count())
.Select(g => g.Key)
.ToArray();
updateType |= SetProviderIdFromSongs(item, songs, MetadataProvider.MusicBrainzAlbumArtist);
if (!item.AlbumArtists.SequenceEqual(albumArtists, StringComparer.OrdinalIgnoreCase))
{
item.AlbumArtists = albumArtists;
updateType |= ItemUpdateType.MetadataEdit;
}
return updateType;
}
private ItemUpdateType SetArtistsFromSongs(MusicAlbum item, IReadOnlyList<Audio> songs)
{
var updateType = ItemUpdateType.None;
var artists = songs
.SelectMany(i => i.Artists)
.GroupBy(i => i)
.OrderByDescending(g => g.Count())
.Select(g => g.Key)
.ToArray();
if (!item.Artists.SequenceEqual(artists, StringComparer.OrdinalIgnoreCase))
{
item.Artists = artists;
updateType |= ItemUpdateType.MetadataEdit;
}
return updateType;
}
private ItemUpdateType SetAlbumFromSongs(MusicAlbum item, IReadOnlyList<Audio> songs)
{
var updateType = ItemUpdateType.None;
updateType |= SetProviderIdFromSongs(item, songs, MetadataProvider.MusicBrainzAlbum);
updateType |= SetProviderIdFromSongs(item, songs, MetadataProvider.MusicBrainzReleaseGroup);
return updateType;
}
private ItemUpdateType SetProviderIdFromSongs(BaseItem item, IReadOnlyList<Audio> songs, MetadataProvider provider)
{
var ids = songs
.Select(i => i.GetProviderId(provider))
.GroupBy(i => i)
.OrderByDescending(g => g.Count())
.Select(g => g.Key)
.ToArray();
var id = item.GetProviderId(provider);
if (ids.Length != 0)
{
var firstId = ids[0];
if (!string.IsNullOrEmpty(firstId)
&& (string.IsNullOrEmpty(id)
|| !id.Equals(firstId, StringComparison.OrdinalIgnoreCase)))
{
item.SetProviderId(provider, firstId);
return ItemUpdateType.MetadataEdit;
}
}
return ItemUpdateType.None;
}
private void SetProviderId(MusicAlbum sourceItem, MusicAlbum targetItem, MetadataProvider provider)
{
var source = sourceItem.GetProviderId(provider);
var target = targetItem.GetProviderId(provider);
if (!string.IsNullOrEmpty(source)
&& (string.IsNullOrEmpty(target)
|| !target.Equals(source, StringComparison.Ordinal)))
{
targetItem.SetProviderId(provider, source);
}
}
private ItemUpdateType SetPeople(MusicAlbum item)
{
var updateType = ItemUpdateType.None;
if (item.AlbumArtists.Any() || item.Artists.Any())
{
var people = new List<PersonInfo>();
foreach (var albumArtist in item.AlbumArtists)
{
PeopleHelper.AddPerson(people, new PersonInfo
{
Name = albumArtist,
Type = PersonKind.AlbumArtist
});
}
foreach (var artist in item.Artists)
{
PeopleHelper.AddPerson(people, new PersonInfo
{
Name = artist,
Type = PersonKind.Artist
});
}
LibraryManager.UpdatePeople(item, people);
updateType |= ItemUpdateType.MetadataEdit;
}
return updateType;
}
/// <inheritdoc />
protected override void MergeData(
MetadataResult<MusicAlbum> source,
MetadataResult<MusicAlbum> target,
MetadataField[] lockedFields,
bool replaceData,
bool mergeMetadataSettings)
{
base.MergeData(source, target, lockedFields, replaceData, mergeMetadataSettings);
var sourceItem = source.Item;
var targetItem = target.Item;
if (replaceData || targetItem.Artists.Count == 0)
{
targetItem.Artists = sourceItem.Artists;
}
else
{
targetItem.Artists = targetItem.Artists.Concat(sourceItem.Artists).Distinct().ToArray();
}
if (replaceData || string.IsNullOrEmpty(targetItem.GetProviderId(MetadataProvider.MusicBrainzAlbumArtist)))
{
SetProviderId(sourceItem, targetItem, MetadataProvider.MusicBrainzAlbumArtist);
}
if (replaceData || string.IsNullOrEmpty(targetItem.GetProviderId(MetadataProvider.MusicBrainzAlbum)))
{
SetProviderId(sourceItem, targetItem, MetadataProvider.MusicBrainzAlbum);
}
if (replaceData || string.IsNullOrEmpty(targetItem.GetProviderId(MetadataProvider.MusicBrainzReleaseGroup)))
{
SetProviderId(sourceItem, targetItem, MetadataProvider.MusicBrainzReleaseGroup);
}
}
}
}
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