jellyfin-server/MediaBrowser.Providers/Playlists/PlaylistMetadataService.cs

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C#
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using System;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Logging;
using MediaBrowser.Providers.Manager;
using System.Collections.Generic;
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using System.Linq;
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using MediaBrowser.Controller.IO;
using MediaBrowser.Model.IO;
namespace MediaBrowser.Providers.Playlists
{
class PlaylistMetadataService : MetadataService<Playlist, ItemLookupInfo>
{
protected override void MergeData(MetadataResult<Playlist> source, MetadataResult<Playlist> target, MetadataFields[] lockedFields, bool replaceData, bool mergeMetadataSettings)
{
ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);
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var sourceItem = source.Item;
var targetItem = target.Item;
if (replaceData || string.IsNullOrEmpty(targetItem.PlaylistMediaType))
{
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targetItem.PlaylistMediaType = sourceItem.PlaylistMediaType;
}
if (mergeMetadataSettings)
{
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targetItem.LinkedChildren = sourceItem.LinkedChildren;
targetItem.Shares = sourceItem.Shares;
}
}
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protected override ItemUpdateType BeforeSave(Playlist item, bool isFullRefresh, ItemUpdateType currentUpdateType)
{
var updateType = base.BeforeSave(item, isFullRefresh, currentUpdateType);
if (isFullRefresh || currentUpdateType > ItemUpdateType.None)
{
if (!item.IsLocked && !item.LockedFields.Contains(MetadataFields.Genres))
{
var items = item.GetLinkedChildren()
.ToList();
var currentList = item.Genres.ToList();
item.Genres = items.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;
}
}
}
return updateType;
}
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public PlaylistMetadataService(IServerConfigurationManager serverConfigurationManager, ILogger logger, IProviderManager providerManager, IFileSystem fileSystem, IUserDataManager userDataManager, ILibraryManager libraryManager) : base(serverConfigurationManager, logger, providerManager, fileSystem, userDataManager, libraryManager)
{
}
}
}