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using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.IO;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.MediaSegments;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Providers.Manager;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Providers.Playlists;
/// <summary>
/// Service to manage playlist metadata.
/// </summary>
public class PlaylistMetadataService : MetadataService<Playlist, ItemLookupInfo>
{
/// <summary>
/// Initializes a new instance of the <see cref="PlaylistMetadataService"/> 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>
/// <param name="pathManager">Instance of the <see cref="IPathManager"/> interface.</param>
/// <param name="keyframeManager">Instance of the <see cref="IKeyframeManager"/> interface.</param>
/// <param name="mediaSegmentManager">Instance of the <see cref="IMediaSegmentManager"/> interface.</param>
public PlaylistMetadataService(
IServerConfigurationManager serverConfigurationManager,
ILogger<PlaylistMetadataService> logger,
IProviderManager providerManager,
IFileSystem fileSystem,
ILibraryManager libraryManager,
IPathManager pathManager,
IKeyframeManager keyframeManager,
IMediaSegmentManager mediaSegmentManager)
: base(serverConfigurationManager, logger, providerManager, fileSystem, libraryManager, pathManager, keyframeManager, mediaSegmentManager)
{
}
/// <inheritdoc />
protected override bool EnableUpdatingGenresFromChildren => true;
/// <inheritdoc />
protected override bool EnableUpdatingOfficialRatingFromChildren => true;
/// <inheritdoc />
protected override bool EnableUpdatingStudiosFromChildren => true;
/// <inheritdoc />
protected override IReadOnlyList<BaseItem> GetChildrenForMetadataUpdates(Playlist item)
=> item.GetLinkedChildren();
/// <inheritdoc />
protected override void MergeData(MetadataResult<Playlist> source, MetadataResult<Playlist> target, MetadataField[] lockedFields, bool replaceData, bool mergeMetadataSettings)
{
base.MergeData(source, target, lockedFields, replaceData, mergeMetadataSettings);
var sourceItem = source.Item;
var targetItem = target.Item;
if (mergeMetadataSettings)
{
targetItem.PlaylistMediaType = sourceItem.PlaylistMediaType;
if (replaceData || targetItem.LinkedChildren.Length == 0)
{
targetItem.LinkedChildren = sourceItem.LinkedChildren;
}
else
{
targetItem.LinkedChildren = sourceItem.LinkedChildren.Concat(targetItem.LinkedChildren).Distinct().ToArray();
}
if (replaceData || targetItem.Shares.Count == 0)
{
targetItem.Shares = sourceItem.Shares;
}
else
{
targetItem.Shares = sourceItem.Shares.Concat(targetItem.Shares).DistinctBy(s => s.UserId).ToArray();
}
}
}
}
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