jellyfin/MediaBrowser.Providers/BoxSets/BoxSetMetadataService.cs

using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
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.BoxSets
{
    public class BoxSetMetadataService : MetadataService<BoxSet, BoxSetInfo>
    {
        public BoxSetMetadataService(
            IServerConfigurationManager serverConfigurationManager,
            ILogger logger,
            IProviderManager providerManager,
            IFileSystem fileSystem,
            ILibraryManager libraryManager)
            : base(serverConfigurationManager, logger, providerManager, fileSystem, libraryManager)
        {
        }

        /// <inheritdoc />
        protected override bool EnableUpdatingGenresFromChildren => true;

        /// <inheritdoc />
        protected override bool EnableUpdatingOfficialRatingFromChildren => true;

        /// <inheritdoc />
        protected override bool EnableUpdatingStudiosFromChildren => true;

        /// <inheritdoc />
        protected override bool EnableUpdatingPremiereDateFromChildren => true;

        /// <inheritdoc />
        protected override IList<BaseItem> GetChildrenForMetadataUpdates(BoxSet item)
        {
            return item.GetLinkedChildren();
        }

        /// <inheritdoc />
        protected override void MergeData(MetadataResult<BoxSet> source, MetadataResult<BoxSet> target, MetadataFields[] lockedFields, bool replaceData, bool mergeMetadataSettings)
        {
            ProviderUtils.MergeBaseItemData(source, target, lockedFields, replaceData, mergeMetadataSettings);

            var sourceItem = source.Item;
            var targetItem = target.Item;

            if (mergeMetadataSettings)
            {
                targetItem.LinkedChildren = sourceItem.LinkedChildren;
            }
        }

        /// <inheritdoc />
        protected override ItemUpdateType BeforeSaveInternal(BoxSet item, bool isFullRefresh, ItemUpdateType currentUpdateType)
        {
            var updateType = base.BeforeSaveInternal(item, isFullRefresh, currentUpdateType);

            var libraryFolderIds = item.GetLibraryFolderIds();

            var itemLibraryFolderIds = item.LibraryFolderIds;
            if (itemLibraryFolderIds == null || !libraryFolderIds.SequenceEqual(itemLibraryFolderIds))
            {
                item.LibraryFolderIds = libraryFolderIds;
                updateType |= ItemUpdateType.MetadataImport;
            }

            return updateType;
        }
    }
}