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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Providers.Manager;
using System;
using System.Collections.Generic;
using System.Linq;
namespace MediaBrowser.Providers.Music
{
public class AlbumMetadataService : MetadataService<MusicAlbum, AlbumInfo>
{
public AlbumMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IProviderRepository providerRepo, IFileSystem fileSystem, IUserDataManager userDataManager) : base(serverConfigurationManager, logger, providerManager, providerRepo, fileSystem, userDataManager)
{
}
/// <summary>
/// Merges the specified source.
/// </summary>
/// <param name="source">The source.</param>
/// <param name="target">The target.</param>
/// <param name="lockedFields">The locked fields.</param>
/// <param name="replaceData">if set to <c>true</c> [replace data].</param>
/// <param name="mergeMetadataSettings">if set to <c>true</c> [merge metadata settings].</param>
protected override void MergeData(MusicAlbum source, MusicAlbum target, List<MetadataFields> lockedFields, bool replaceData, bool mergeMetadataSettings)
{
ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
if (replaceData || target.Artists.Count == 0)
{
target.Artists = source.Artists;
}
}
protected override ItemUpdateType BeforeSave(MusicAlbum item)
{
var updateType = base.BeforeSave(item);
var songs = item.RecursiveChildren.OfType<Audio>().ToList();
if (!item.IsLocked)
{
if (!item.LockedFields.Contains(MetadataFields.Genres))
{
var currentList = item.Genres.ToList();
item.Genres = songs.SelectMany(i => i.Genres)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
if (currentList.Count != item.Genres.Count || !currentList.OrderBy(i => i).SequenceEqual(item.Genres.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
if (!item.LockedFields.Contains(MetadataFields.Studios))
{
var currentList = item.Studios.ToList();
item.Studios = songs.SelectMany(i => i.Studios)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
if (currentList.Count != item.Studios.Count || !currentList.OrderBy(i => i).SequenceEqual(item.Studios.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
if (!item.LockedFields.Contains(MetadataFields.Name))
{
var name = songs.Select(i => i.Album).FirstOrDefault(i => !string.IsNullOrEmpty(i));
if (!string.IsNullOrEmpty(name))
{
if (!string.Equals(item.Name, name, StringComparison.Ordinal))
{
item.Name = name;
updateType = updateType | ItemUpdateType.MetadataEdit;
}
}
}
updateType = updateType | SetAlbumArtistFromSongs(item, songs);
updateType = updateType | SetArtistsFromSongs(item, songs);
updateType = updateType | SetDateFromSongs(item, songs);
}
return updateType;
}
private ItemUpdateType SetAlbumArtistFromSongs(MusicAlbum item, IEnumerable<Audio> songs)
{
var updateType = ItemUpdateType.None;
var albumArtists = songs
.SelectMany(i => i.AlbumArtists)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
if (!item.AlbumArtists.SequenceEqual(albumArtists, StringComparer.OrdinalIgnoreCase))
{
item.AlbumArtists = albumArtists;
updateType = updateType | ItemUpdateType.MetadataEdit;
}
return updateType;
}
private ItemUpdateType SetArtistsFromSongs(MusicAlbum item, IEnumerable<Audio> songs)
{
var updateType = ItemUpdateType.None;
var currentList = item.Artists.ToList();
item.Artists = songs.SelectMany(i => i.Artists)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
if (currentList.Count != item.Artists.Count || !currentList.OrderBy(i => i).SequenceEqual(item.Artists.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
return updateType;
}
private ItemUpdateType SetDateFromSongs(MusicAlbum item, List<Audio> songs)
{
var updateType = ItemUpdateType.None;
var date = songs.Select(i => i.PremiereDate)
.FirstOrDefault(i => i.HasValue);
var originalPremiereDate = item.PremiereDate;
var originalProductionYear = item.ProductionYear;
if (date.HasValue)
{
item.PremiereDate = date.Value;
item.ProductionYear = date.Value.Year;
}
else
{
var year = songs.Select(i => i.ProductionYear ?? 1800).FirstOrDefault(i => i != 1800);
if (year != 1800)
{
item.ProductionYear = year;
}
}
if ((originalPremiereDate ?? DateTime.MinValue) != (item.PremiereDate ?? DateTime.MinValue) ||
(originalProductionYear ?? -1) != (item.ProductionYear ?? -1))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
return updateType;
}
}
}
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