jellyfin/MediaBrowser.Providers/Music/ArtistMetadataService.cs

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C#
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using MediaBrowser.Common.IO;
using MediaBrowser.Controller.Configuration;
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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;
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using System.Threading.Tasks;
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namespace MediaBrowser.Providers.Music
{
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public class ArtistMetadataService : MetadataService<MusicArtist, ArtistInfo>
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{
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private readonly ILibraryManager _libraryManager;
public ArtistMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IProviderRepository providerRepo, IFileSystem fileSystem, IUserDataManager userDataManager, ILibraryManager libraryManager) : base(serverConfigurationManager, logger, providerManager, providerRepo, fileSystem, userDataManager)
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{
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_libraryManager = libraryManager;
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}
/// <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(MusicArtist source, MusicArtist target, List<MetadataFields> lockedFields, bool replaceData, bool mergeMetadataSettings)
{
ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
}
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protected override async Task<ItemUpdateType> BeforeSave(MusicArtist item, bool isFullRefresh, ItemUpdateType currentUpdateType)
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{
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var updateType = await base.BeforeSave(item, isFullRefresh, currentUpdateType).ConfigureAwait(false);
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if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
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{
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if (!item.IsLocked)
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{
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var itemFilter = item.GetItemFilter();
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var taggedItems = item.IsAccessedByName ?
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_libraryManager.RootFolder.GetRecursiveChildren(i => !i.IsFolder && itemFilter(i)).ToList() :
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item.GetRecursiveChildren(i => i is IHasArtist && !i.IsFolder).ToList();
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if (!item.LockedFields.Contains(MetadataFields.Genres))
{
var currentList = item.Genres.ToList();
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item.Genres = taggedItems.SelectMany(i => i.Genres)
.Distinct(StringComparer.OrdinalIgnoreCase)
.ToList();
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if (currentList.Count != item.Genres.Count || !currentList.OrderBy(i => i).SequenceEqual(item.Genres.OrderBy(i => i), StringComparer.OrdinalIgnoreCase))
{
updateType = updateType | ItemUpdateType.MetadataEdit;
}
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}
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}
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}
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return updateType;
}
}
}