|  | @@ -0,0 +1,753 @@
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				|  |  | +using System;
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				|  |  | +using System.Collections.Concurrent;
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				|  |  | +using System.Collections.Generic;
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				|  |  | +using System.Globalization;
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				|  |  | +using System.Linq;
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				|  |  | +using System.Text;
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				|  |  | +using System.Threading;
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				|  |  | +using Jellyfin.Extensions;
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				|  |  | +using MediaBrowser.Controller;
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				|  |  | +using MediaBrowser.Controller.Entities;
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				|  |  | +using MediaBrowser.Controller.Entities.Audio;
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				|  |  | +using MediaBrowser.Controller.Entities.TV;
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				|  |  | +using MediaBrowser.Controller.LiveTv;
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				|  |  | +using MediaBrowser.Model.Entities;
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				|  |  | +using MediaBrowser.Model.LiveTv;
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				|  |  | +using Microsoft.EntityFrameworkCore;
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				|  |  | +using BaseItemDto = MediaBrowser.Controller.Entities.BaseItem;
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				|  |  | +using BaseItemEntity = Jellyfin.Data.Entities.BaseItem;
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				|  |  | +
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				|  |  | +namespace Jellyfin.Server.Implementations.Item;
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				|  |  | +
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				|  |  | +/// <summary>
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				|  |  | +/// Handles all storage logic for BaseItems.
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				|  |  | +/// </summary>
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				|  |  | +public class BaseItemManager
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				|  |  | +{
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				|  |  | +    private readonly IDbContextFactory<JellyfinDbContext> _dbProvider;
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				|  |  | +    private readonly IServerApplicationHost _appHost;
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				|  |  | +
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				|  |  | +     /// <summary>
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				|  |  | +    /// This holds all the types in the running assemblies
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				|  |  | +    /// so that we can de-serialize properly when we don't have strong types.
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				|  |  | +    /// </summary>
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				|  |  | +    private static readonly ConcurrentDictionary<string, Type?> _typeMap = new ConcurrentDictionary<string, Type?>();
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				|  |  | +
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				|  |  | +    /// <summary>
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				|  |  | +    /// Initializes a new instance of the <see cref="BaseItemManager"/> class.
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				|  |  | +    /// </summary>
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				|  |  | +    /// <param name="dbProvider">The db factory.</param>
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				|  |  | +    public BaseItemManager(IDbContextFactory<JellyfinDbContext> dbProvider, IServerApplicationHost appHost)
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				|  |  | +    {
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				|  |  | +        _dbProvider = dbProvider;
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				|  |  | +        _appHost = appHost;
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /// <summary>
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				|  |  | +    /// Gets the type.
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				|  |  | +    /// </summary>
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				|  |  | +    /// <param name="typeName">Name of the type.</param>
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				|  |  | +    /// <returns>Type.</returns>
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				|  |  | +    /// <exception cref="ArgumentNullException"><c>typeName</c> is null.</exception>
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				|  |  | +    private static Type? GetType(string typeName)
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				|  |  | +    {
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				|  |  | +        ArgumentException.ThrowIfNullOrEmpty(typeName);
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				|  |  | +
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				|  |  | +        return _typeMap.GetOrAdd(typeName, k => AppDomain.CurrentDomain.GetAssemblies()
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				|  |  | +            .Select(a => a.GetType(k))
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				|  |  | +            .FirstOrDefault(t => t is not null));
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /// <summary>
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				|  |  | +    /// Saves the items.
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				|  |  | +    /// </summary>
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				|  |  | +    /// <param name="items">The items.</param>
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				|  |  | +    /// <param name="cancellationToken">The cancellation token.</param>
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				|  |  | +    /// <exception cref="ArgumentNullException">
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				|  |  | +    /// <paramref name="items"/> or <paramref name="cancellationToken"/> is <c>null</c>.
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				|  |  | +    /// </exception>
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				|  |  | +    public void UpdateOrInsertItems(IReadOnlyList<BaseItemDto> items, CancellationToken cancellationToken)
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				|  |  | +    {
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				|  |  | +        ArgumentNullException.ThrowIfNull(items);
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				|  |  | +        cancellationToken.ThrowIfCancellationRequested();
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				|  |  | +
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				|  |  | +        var itemsLen = items.Count;
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				|  |  | +        var tuples = new (BaseItemDto Item, List<Guid>? AncestorIds, BaseItemDto TopParent, string? UserDataKey, List<string> InheritedTags)[itemsLen];
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				|  |  | +        for (int i = 0; i < itemsLen; i++)
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				|  |  | +        {
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				|  |  | +            var item = items[i];
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				|  |  | +            var ancestorIds = item.SupportsAncestors ?
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				|  |  | +                item.GetAncestorIds().Distinct().ToList() :
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				|  |  | +                null;
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				|  |  | +
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				|  |  | +            var topParent = item.GetTopParent();
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				|  |  | +
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				|  |  | +            var userdataKey = item.GetUserDataKeys().FirstOrDefault();
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				|  |  | +            var inheritedTags = item.GetInheritedTags();
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				|  |  | +
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				|  |  | +            tuples[i] = (item, ancestorIds, topParent, userdataKey, inheritedTags);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        using var context = _dbProvider.CreateDbContext();
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				|  |  | +        foreach (var item in tuples)
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				|  |  | +        {
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				|  |  | +            var entity = Map(item.Item);
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				|  |  | +            context.BaseItems.Add(entity);
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				|  |  | +
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				|  |  | +            if (item.Item.SupportsAncestors && item.AncestorIds != null)
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				|  |  | +            {
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				|  |  | +                foreach (var ancestorId in item.AncestorIds)
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				|  |  | +                {
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				|  |  | +                    context.AncestorIds.Add(new Data.Entities.AncestorId()
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				|  |  | +                    {
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				|  |  | +                        Item = entity,
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				|  |  | +                        AncestorIdText = ancestorId.ToString(),
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				|  |  | +                        Id = ancestorId
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				|  |  | +                    });
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				|  |  | +                }
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				|  |  | +            }
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				|  |  | +
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				|  |  | +            var itemValues = GetItemValuesToSave(item.Item, item.InheritedTags);
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				|  |  | +            context.ItemValues.Where(e => e.ItemId.Equals(entity.Id)).ExecuteDelete();
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				|  |  | +            foreach (var itemValue in itemValues)
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				|  |  | +            {
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				|  |  | +                context.ItemValues.Add(new()
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				|  |  | +                {
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				|  |  | +                    Item = entity,
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				|  |  | +                    Type = itemValue.MagicNumber,
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				|  |  | +                    Value = itemValue.Value,
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				|  |  | +                    CleanValue = GetCleanValue(itemValue.Value)
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				|  |  | +                });
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				|  |  | +            }
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        context.SaveChanges(true);
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    public BaseItemDto? GetSingle(Guid id)
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				|  |  | +    {
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				|  |  | +        if (id.IsEmpty())
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				|  |  | +        {
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				|  |  | +            throw new ArgumentException("Guid can't be empty", nameof(id));
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        using var context = _dbProvider.CreateDbContext();
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				|  |  | +        var item = context.BaseItems.FirstOrDefault(e => e.Id.Equals(id));
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				|  |  | +        if (item is null)
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				|  |  | +        {
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				|  |  | +            return null;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        return DeserialiseBaseItem(item);
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    private BaseItemDto DeserialiseBaseItem(BaseItemEntity baseItemEntity)
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				|  |  | +    {
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				|  |  | +        var type = GetType(baseItemEntity.Type) ?? throw new InvalidOperationException("Cannot deserialise unkown type.");
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				|  |  | +        var dto = Activator.CreateInstance(type) as BaseItemDto ?? throw new InvalidOperationException("Cannot deserialise unkown type.");;
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				|  |  | +        return Map(baseItemEntity, dto);
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /// <summary>
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				|  |  | +    /// Maps a Entity to the DTO.
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				|  |  | +    /// </summary>
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				|  |  | +    /// <param name="entity">The entity.</param>
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				|  |  | +    /// <param name="dto">The dto base instance.</param>
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				|  |  | +    /// <returns>The dto to map.</returns>
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				|  |  | +    public BaseItemDto Map(BaseItemEntity entity, BaseItemDto dto)
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				|  |  | +    {
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				|  |  | +        dto.Id = entity.Id;
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				|  |  | +        dto.ParentId = entity.ParentId.GetValueOrDefault();
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				|  |  | +        dto.Path = entity.Path;
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				|  |  | +        dto.EndDate = entity.EndDate;
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				|  |  | +        dto.CommunityRating = entity.CommunityRating;
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				|  |  | +        dto.CustomRating = entity.CustomRating;
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				|  |  | +        dto.IndexNumber = entity.IndexNumber;
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				|  |  | +        dto.IsLocked = entity.IsLocked;
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				|  |  | +        dto.Name = entity.Name;
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				|  |  | +        dto.OfficialRating = entity.OfficialRating;
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				|  |  | +        dto.Overview = entity.Overview;
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				|  |  | +        dto.ParentIndexNumber = entity.ParentIndexNumber;
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				|  |  | +        dto.PremiereDate = entity.PremiereDate;
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				|  |  | +        dto.ProductionYear = entity.ProductionYear;
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				|  |  | +        dto.SortName = entity.SortName;
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				|  |  | +        dto.ForcedSortName = entity.ForcedSortName;
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				|  |  | +        dto.RunTimeTicks = entity.RunTimeTicks;
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				|  |  | +        dto.PreferredMetadataLanguage = entity.PreferredMetadataLanguage;
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				|  |  | +        dto.PreferredMetadataCountryCode = entity.PreferredMetadataCountryCode;
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				|  |  | +        dto.IsInMixedFolder = entity.IsInMixedFolder;
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				|  |  | +        dto.InheritedParentalRatingValue = entity.InheritedParentalRatingValue;
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				|  |  | +        dto.CriticRating = entity.CriticRating;
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				|  |  | +        dto.PresentationUniqueKey = entity.PresentationUniqueKey;
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				|  |  | +        dto.OriginalTitle = entity.OriginalTitle;
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				|  |  | +        dto.Album = entity.Album;
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				|  |  | +        dto.LUFS = entity.LUFS;
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				|  |  | +        dto.NormalizationGain = entity.NormalizationGain;
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				|  |  | +        dto.IsVirtualItem = entity.IsVirtualItem;
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				|  |  | +        dto.ExternalSeriesId = entity.ExternalSeriesId;
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				|  |  | +        dto.Tagline = entity.Tagline;
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				|  |  | +        dto.TotalBitrate = entity.TotalBitrate;
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				|  |  | +        dto.ExternalId = entity.ExternalId;
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				|  |  | +        dto.Size = entity.Size;
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				|  |  | +        dto.Genres = entity.Genres?.Split('|');
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				|  |  | +        dto.DateCreated = entity.DateCreated.GetValueOrDefault();
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				|  |  | +        dto.DateModified = entity.DateModified.GetValueOrDefault();
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				|  |  | +        dto.ChannelId = string.IsNullOrWhiteSpace(entity.ChannelId) ? Guid.Empty : Guid.Parse(entity.ChannelId);
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				|  |  | +        dto.DateLastRefreshed = entity.DateLastRefreshed.GetValueOrDefault();
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				|  |  | +        dto.DateLastSaved = entity.DateLastSaved.GetValueOrDefault();
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				|  |  | +        dto.OwnerId = string.IsNullOrWhiteSpace(entity.OwnerId) ? Guid.Empty : Guid.Parse(entity.OwnerId);
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				|  |  | +        dto.Width = entity.Width.GetValueOrDefault();
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				|  |  | +        dto.Height = entity.Height.GetValueOrDefault();
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				|  |  | +        if (entity.ProviderIds is not null)
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				|  |  | +        {
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				|  |  | +            DeserializeProviderIds(entity.ProviderIds, dto);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (entity.ExtraType is not null)
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				|  |  | +        {
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				|  |  | +            dto.ExtraType = Enum.Parse<ExtraType>(entity.ExtraType);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (entity.LockedFields is not null)
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				|  |  | +        {
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				|  |  | +            List<MetadataField>? fields = null;
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				|  |  | +            foreach (var i in entity.LockedFields.AsSpan().Split('|'))
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				|  |  | +            {
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				|  |  | +                if (Enum.TryParse(i, true, out MetadataField parsedValue))
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				|  |  | +                {
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				|  |  | +                    (fields ??= new List<MetadataField>()).Add(parsedValue);
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				|  |  | +                }
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				|  |  | +            }
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				|  |  | +
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				|  |  | +            dto.LockedFields = fields?.ToArray() ?? Array.Empty<MetadataField>();
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (entity.Audio is not null)
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				|  |  | +        {
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				|  |  | +            dto.Audio = Enum.Parse<ProgramAudio>(entity.Audio);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        dto.ExtraIds = entity.ExtraIds?.Split('|').Select(e => Guid.Parse(e)).ToArray();
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				|  |  | +        dto.ProductionLocations = entity.ProductionLocations?.Split('|');
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				|  |  | +        dto.Studios = entity.Studios?.Split('|');
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				|  |  | +        dto.Tags = entity.Tags?.Split('|');
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				|  |  | +
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				|  |  | +        if (dto is IHasProgramAttributes hasProgramAttributes)
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				|  |  | +        {
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				|  |  | +            hasProgramAttributes.IsMovie = entity.IsMovie;
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				|  |  | +            hasProgramAttributes.IsSeries = entity.IsSeries;
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				|  |  | +            hasProgramAttributes.EpisodeTitle = entity.EpisodeTitle;
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				|  |  | +            hasProgramAttributes.IsRepeat = entity.IsRepeat;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is LiveTvChannel liveTvChannel)
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				|  |  | +        {
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				|  |  | +            liveTvChannel.ServiceName = entity.ExternalServiceId;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is Trailer trailer)
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				|  |  | +        {
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				|  |  | +            List<TrailerType>? types = null;
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				|  |  | +            foreach (var i in entity.TrailerTypes.AsSpan().Split('|'))
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				|  |  | +            {
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				|  |  | +                if (Enum.TryParse(i, true, out TrailerType parsedValue))
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				|  |  | +                {
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				|  |  | +                    (types ??= new List<TrailerType>()).Add(parsedValue);
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				|  |  | +                }
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				|  |  | +            }
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				|  |  | +
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				|  |  | +            trailer.TrailerTypes = types?.ToArray() ?? Array.Empty<TrailerType>();
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is Video video)
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				|  |  | +        {
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				|  |  | +            video.PrimaryVersionId = entity.PrimaryVersionId;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is IHasSeries hasSeriesName)
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				|  |  | +        {
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				|  |  | +            hasSeriesName.SeriesName = entity.SeriesName;
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				|  |  | +            hasSeriesName.SeriesId = entity.SeriesId.GetValueOrDefault();
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				|  |  | +            hasSeriesName.SeriesPresentationUniqueKey = entity.SeriesPresentationUniqueKey;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is Episode episode)
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				|  |  | +        {
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				|  |  | +            episode.SeasonName = entity.SeasonName;
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				|  |  | +            episode.SeasonId = entity.SeasonId.GetValueOrDefault();
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is IHasArtist hasArtists)
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				|  |  | +        {
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				|  |  | +            hasArtists.Artists = entity.Artists?.Split('|', StringSplitOptions.RemoveEmptyEntries);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is IHasAlbumArtist hasAlbumArtists)
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				|  |  | +        {
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				|  |  | +            hasAlbumArtists.AlbumArtists = entity.AlbumArtists?.Split('|', StringSplitOptions.RemoveEmptyEntries);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (dto is LiveTvProgram program)
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				|  |  | +        {
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				|  |  | +            program.ShowId = entity.ShowId;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        if (entity.Images is not null)
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				|  |  | +        {
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				|  |  | +            dto.ImageInfos = DeserializeImages(entity.Images);
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        // dto.Type = entity.Type;
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				|  |  | +        // dto.Data = entity.Data;
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				|  |  | +        // dto.MediaType = entity.MediaType;
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				|  |  | +        if (dto is IHasStartDate hasStartDate)
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				|  |  | +        {
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				|  |  | +            hasStartDate.StartDate = entity.StartDate;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        // Fields that are present in the DB but are never actually used
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				|  |  | +        // dto.UnratedType = entity.UnratedType;
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				|  |  | +        // dto.TopParentId = entity.TopParentId;
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				|  |  | +        // dto.CleanName = entity.CleanName;
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				|  |  | +        // dto.UserDataKey = entity.UserDataKey;
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				|  |  | +
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				|  |  | +        if (dto is Folder folder)
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				|  |  | +        {
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				|  |  | +            folder.DateLastMediaAdded = entity.DateLastMediaAdded;
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				|  |  | +        }
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				|  |  | +
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				|  |  | +        return dto;
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				|  |  | +    }
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				|  |  | +
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				|  |  | +    /// <summary>
 | 
	
		
			
				|  |  | +    /// Maps a Entity to the DTO.
 | 
	
		
			
				|  |  | +    /// </summary>
 | 
	
		
			
				|  |  | +    /// <param name="dto">The entity.</param>
 | 
	
		
			
				|  |  | +    /// <returns>The dto to map.</returns>
 | 
	
		
			
				|  |  | +    public BaseItemEntity Map(BaseItemDto dto)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        var entity = new BaseItemEntity()
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            Type = dto.GetType().ToString(),
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +        entity.Id = dto.Id;
 | 
	
		
			
				|  |  | +        entity.ParentId = dto.ParentId;
 | 
	
		
			
				|  |  | +        entity.Path = GetPathToSave(dto.Path);
 | 
	
		
			
				|  |  | +        entity.EndDate = dto.EndDate.GetValueOrDefault();
 | 
	
		
			
				|  |  | +        entity.CommunityRating = dto.CommunityRating;
 | 
	
		
			
				|  |  | +        entity.CustomRating = dto.CustomRating;
 | 
	
		
			
				|  |  | +        entity.IndexNumber = dto.IndexNumber;
 | 
	
		
			
				|  |  | +        entity.IsLocked = dto.IsLocked;
 | 
	
		
			
				|  |  | +        entity.Name = dto.Name;
 | 
	
		
			
				|  |  | +        entity.OfficialRating = dto.OfficialRating;
 | 
	
		
			
				|  |  | +        entity.Overview = dto.Overview;
 | 
	
		
			
				|  |  | +        entity.ParentIndexNumber = dto.ParentIndexNumber;
 | 
	
		
			
				|  |  | +        entity.PremiereDate = dto.PremiereDate;
 | 
	
		
			
				|  |  | +        entity.ProductionYear = dto.ProductionYear;
 | 
	
		
			
				|  |  | +        entity.SortName = dto.SortName;
 | 
	
		
			
				|  |  | +        entity.ForcedSortName = dto.ForcedSortName;
 | 
	
		
			
				|  |  | +        entity.RunTimeTicks = dto.RunTimeTicks;
 | 
	
		
			
				|  |  | +        entity.PreferredMetadataLanguage = dto.PreferredMetadataLanguage;
 | 
	
		
			
				|  |  | +        entity.PreferredMetadataCountryCode = dto.PreferredMetadataCountryCode;
 | 
	
		
			
				|  |  | +        entity.IsInMixedFolder = dto.IsInMixedFolder;
 | 
	
		
			
				|  |  | +        entity.InheritedParentalRatingValue = dto.InheritedParentalRatingValue;
 | 
	
		
			
				|  |  | +        entity.CriticRating = dto.CriticRating;
 | 
	
		
			
				|  |  | +        entity.PresentationUniqueKey = dto.PresentationUniqueKey;
 | 
	
		
			
				|  |  | +        entity.OriginalTitle = dto.OriginalTitle;
 | 
	
		
			
				|  |  | +        entity.Album = dto.Album;
 | 
	
		
			
				|  |  | +        entity.LUFS = dto.LUFS;
 | 
	
		
			
				|  |  | +        entity.NormalizationGain = dto.NormalizationGain;
 | 
	
		
			
				|  |  | +        entity.IsVirtualItem = dto.IsVirtualItem;
 | 
	
		
			
				|  |  | +        entity.ExternalSeriesId = dto.ExternalSeriesId;
 | 
	
		
			
				|  |  | +        entity.Tagline = dto.Tagline;
 | 
	
		
			
				|  |  | +        entity.TotalBitrate = dto.TotalBitrate;
 | 
	
		
			
				|  |  | +        entity.ExternalId = dto.ExternalId;
 | 
	
		
			
				|  |  | +        entity.Size = dto.Size;
 | 
	
		
			
				|  |  | +        entity.Genres = string.Join('|', dto.Genres);
 | 
	
		
			
				|  |  | +        entity.DateCreated = dto.DateCreated;
 | 
	
		
			
				|  |  | +        entity.DateModified = dto.DateModified;
 | 
	
		
			
				|  |  | +        entity.ChannelId = dto.ChannelId.ToString();
 | 
	
		
			
				|  |  | +        entity.DateLastRefreshed = dto.DateLastRefreshed;
 | 
	
		
			
				|  |  | +        entity.DateLastSaved = dto.DateLastSaved;
 | 
	
		
			
				|  |  | +        entity.OwnerId = dto.OwnerId.ToString();
 | 
	
		
			
				|  |  | +        entity.Width = dto.Width;
 | 
	
		
			
				|  |  | +        entity.Height = dto.Height;
 | 
	
		
			
				|  |  | +        entity.ProviderIds = SerializeProviderIds(dto.ProviderIds);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        entity.Audio = dto.Audio?.ToString();
 | 
	
		
			
				|  |  | +        entity.ExtraType = dto.ExtraType?.ToString();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        entity.ExtraIds = string.Join('|', dto.ExtraIds);
 | 
	
		
			
				|  |  | +        entity.ProductionLocations = string.Join('|', dto.ProductionLocations);
 | 
	
		
			
				|  |  | +        entity.Studios = dto.Studios is not null ? string.Join('|', dto.Studios) : null;
 | 
	
		
			
				|  |  | +        entity.Tags = dto.Tags is not null ? string.Join('|', dto.Tags) : null;
 | 
	
		
			
				|  |  | +        entity.LockedFields = dto.LockedFields is not null ? string.Join('|', dto.LockedFields) : null;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is IHasProgramAttributes hasProgramAttributes)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.IsMovie = hasProgramAttributes.IsMovie;
 | 
	
		
			
				|  |  | +            entity.IsSeries = hasProgramAttributes.IsSeries;
 | 
	
		
			
				|  |  | +            entity.EpisodeTitle = hasProgramAttributes.EpisodeTitle;
 | 
	
		
			
				|  |  | +            entity.IsRepeat = hasProgramAttributes.IsRepeat;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is LiveTvChannel liveTvChannel)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.ExternalServiceId = liveTvChannel.ServiceName;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is Trailer trailer)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.LockedFields = trailer.LockedFields is not null ? string.Join('|', trailer.LockedFields) : null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is Video video)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.PrimaryVersionId = video.PrimaryVersionId;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is IHasSeries hasSeriesName)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.SeriesName = hasSeriesName.SeriesName;
 | 
	
		
			
				|  |  | +            entity.SeriesId = hasSeriesName.SeriesId;
 | 
	
		
			
				|  |  | +            entity.SeriesPresentationUniqueKey = hasSeriesName.SeriesPresentationUniqueKey;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is Episode episode)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.SeasonName = episode.SeasonName;
 | 
	
		
			
				|  |  | +            entity.SeasonId = episode.SeasonId;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is IHasArtist hasArtists)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.Artists = hasArtists.Artists is not null ? string.Join('|', hasArtists.Artists) : null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is IHasAlbumArtist hasAlbumArtists)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.AlbumArtists = hasAlbumArtists.AlbumArtists is not null ? string.Join('|', hasAlbumArtists.AlbumArtists) : null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is LiveTvProgram program)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.ShowId = program.ShowId;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto.ImageInfos is not null)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.Images = SerializeImages(dto.ImageInfos);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // dto.Type = entity.Type;
 | 
	
		
			
				|  |  | +        // dto.Data = entity.Data;
 | 
	
		
			
				|  |  | +        // dto.MediaType = entity.MediaType;
 | 
	
		
			
				|  |  | +        if (dto is IHasStartDate hasStartDate)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.StartDate = hasStartDate.StartDate;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // Fields that are present in the DB but are never actually used
 | 
	
		
			
				|  |  | +        // dto.UnratedType = entity.UnratedType;
 | 
	
		
			
				|  |  | +        // dto.TopParentId = entity.TopParentId;
 | 
	
		
			
				|  |  | +        // dto.CleanName = entity.CleanName;
 | 
	
		
			
				|  |  | +        // dto.UserDataKey = entity.UserDataKey;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (dto is Folder folder)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            entity.DateLastMediaAdded = folder.DateLastMediaAdded;
 | 
	
		
			
				|  |  | +            entity.IsFolder = folder.IsFolder;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        return entity;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    private string GetCleanValue(string value)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        if (string.IsNullOrWhiteSpace(value))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return value;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        return value.RemoveDiacritics().ToLowerInvariant();
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    private List<(int MagicNumber, string Value)> GetItemValuesToSave(BaseItem item, List<string> inheritedTags)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        var list = new List<(int, string)>();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (item is IHasArtist hasArtist)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            list.AddRange(hasArtist.Artists.Select(i => (0, i)));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (item is IHasAlbumArtist hasAlbumArtist)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            list.AddRange(hasAlbumArtist.AlbumArtists.Select(i => (1, i)));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        list.AddRange(item.Genres.Select(i => (2, i)));
 | 
	
		
			
				|  |  | +        list.AddRange(item.Studios.Select(i => (3, i)));
 | 
	
		
			
				|  |  | +        list.AddRange(item.Tags.Select(i => (4, i)));
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // keywords was 5
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        list.AddRange(inheritedTags.Select(i => (6, i)));
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // Remove all invalid values.
 | 
	
		
			
				|  |  | +        list.RemoveAll(i => string.IsNullOrWhiteSpace(i.Item2));
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        return list;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    internal static string? SerializeProviderIds(Dictionary<string, string> providerIds)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        StringBuilder str = new StringBuilder();
 | 
	
		
			
				|  |  | +        foreach (var i in providerIds)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            // Ideally we shouldn't need this IsNullOrWhiteSpace check,
 | 
	
		
			
				|  |  | +            // but we're seeing some cases of bad data slip through
 | 
	
		
			
				|  |  | +            if (string.IsNullOrWhiteSpace(i.Value))
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                continue;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            str.Append(i.Key)
 | 
	
		
			
				|  |  | +                .Append('=')
 | 
	
		
			
				|  |  | +                .Append(i.Value)
 | 
	
		
			
				|  |  | +                .Append('|');
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (str.Length == 0)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        str.Length -= 1; // Remove last |
 | 
	
		
			
				|  |  | +        return str.ToString();
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    internal static void DeserializeProviderIds(string value, IHasProviderIds item)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        if (string.IsNullOrWhiteSpace(value))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        foreach (var part in value.SpanSplit('|'))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            var providerDelimiterIndex = part.IndexOf('=');
 | 
	
		
			
				|  |  | +            // Don't let empty values through
 | 
	
		
			
				|  |  | +            if (providerDelimiterIndex != -1 && part.Length != providerDelimiterIndex + 1)
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                item.SetProviderId(part[..providerDelimiterIndex].ToString(), part[(providerDelimiterIndex + 1)..].ToString());
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    internal string? SerializeImages(ItemImageInfo[] images)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        if (images.Length == 0)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        StringBuilder str = new StringBuilder();
 | 
	
		
			
				|  |  | +        foreach (var i in images)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            if (string.IsNullOrWhiteSpace(i.Path))
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                continue;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            AppendItemImageInfo(str, i);
 | 
	
		
			
				|  |  | +            str.Append('|');
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        str.Length -= 1; // Remove last |
 | 
	
		
			
				|  |  | +        return str.ToString();
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    internal ItemImageInfo[] DeserializeImages(string value)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        if (string.IsNullOrWhiteSpace(value))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return Array.Empty<ItemImageInfo>();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // TODO The following is an ugly performance optimization, but it's extremely unlikely that the data in the database would be malformed
 | 
	
		
			
				|  |  | +        var valueSpan = value.AsSpan();
 | 
	
		
			
				|  |  | +        var count = valueSpan.Count('|') + 1;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        var position = 0;
 | 
	
		
			
				|  |  | +        var result = new ItemImageInfo[count];
 | 
	
		
			
				|  |  | +        foreach (var part in valueSpan.Split('|'))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            var image = ItemImageInfoFromValueString(part);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            if (image is not null)
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                result[position++] = image;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (position == count)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return result;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (position == 0)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return Array.Empty<ItemImageInfo>();
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // Extremely unlikely, but somehow one or more of the image strings were malformed. Cut the array.
 | 
	
		
			
				|  |  | +        return result[..position];
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    private void AppendItemImageInfo(StringBuilder bldr, ItemImageInfo image)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        const char Delimiter = '*';
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        var path = image.Path ?? string.Empty;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        bldr.Append(GetPathToSave(path))
 | 
	
		
			
				|  |  | +            .Append(Delimiter)
 | 
	
		
			
				|  |  | +            .Append(image.DateModified.Ticks)
 | 
	
		
			
				|  |  | +            .Append(Delimiter)
 | 
	
		
			
				|  |  | +            .Append(image.Type)
 | 
	
		
			
				|  |  | +            .Append(Delimiter)
 | 
	
		
			
				|  |  | +            .Append(image.Width)
 | 
	
		
			
				|  |  | +            .Append(Delimiter)
 | 
	
		
			
				|  |  | +            .Append(image.Height);
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        var hash = image.BlurHash;
 | 
	
		
			
				|  |  | +        if (!string.IsNullOrEmpty(hash))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            bldr.Append(Delimiter)
 | 
	
		
			
				|  |  | +                // Replace delimiters with other characters.
 | 
	
		
			
				|  |  | +                // This can be removed when we migrate to a proper DB.
 | 
	
		
			
				|  |  | +                .Append(hash.Replace(Delimiter, '/').Replace('|', '\\'));
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    private string? GetPathToSave(string path)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        if (path is null)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        return _appHost.ReverseVirtualPath(path);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    private string RestorePath(string path)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        return _appHost.ExpandVirtualPath(path);
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +    internal ItemImageInfo? ItemImageInfoFromValueString(ReadOnlySpan<char> value)
 | 
	
		
			
				|  |  | +    {
 | 
	
		
			
				|  |  | +        const char Delimiter = '*';
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        var nextSegment = value.IndexOf(Delimiter);
 | 
	
		
			
				|  |  | +        if (nextSegment == -1)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        ReadOnlySpan<char> path = value[..nextSegment];
 | 
	
		
			
				|  |  | +        value = value[(nextSegment + 1)..];
 | 
	
		
			
				|  |  | +        nextSegment = value.IndexOf(Delimiter);
 | 
	
		
			
				|  |  | +        if (nextSegment == -1)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        ReadOnlySpan<char> dateModified = value[..nextSegment];
 | 
	
		
			
				|  |  | +        value = value[(nextSegment + 1)..];
 | 
	
		
			
				|  |  | +        nextSegment = value.IndexOf(Delimiter);
 | 
	
		
			
				|  |  | +        if (nextSegment == -1)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            nextSegment = value.Length;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        ReadOnlySpan<char> imageType = value[..nextSegment];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        var image = new ItemImageInfo
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            Path = RestorePath(path.ToString())
 | 
	
		
			
				|  |  | +        };
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (long.TryParse(dateModified, CultureInfo.InvariantCulture, out var ticks)
 | 
	
		
			
				|  |  | +            && ticks >= DateTime.MinValue.Ticks
 | 
	
		
			
				|  |  | +            && ticks <= DateTime.MaxValue.Ticks)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            image.DateModified = new DateTime(ticks, DateTimeKind.Utc);
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        else
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        if (Enum.TryParse(imageType, true, out ImageType type))
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            image.Type = type;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +        else
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            return null;
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        // Optional parameters: width*height*blurhash
 | 
	
		
			
				|  |  | +        if (nextSegment + 1 < value.Length - 1)
 | 
	
		
			
				|  |  | +        {
 | 
	
		
			
				|  |  | +            value = value[(nextSegment + 1)..];
 | 
	
		
			
				|  |  | +            nextSegment = value.IndexOf(Delimiter);
 | 
	
		
			
				|  |  | +            if (nextSegment == -1 || nextSegment == value.Length)
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                return image;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            ReadOnlySpan<char> widthSpan = value[..nextSegment];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            value = value[(nextSegment + 1)..];
 | 
	
		
			
				|  |  | +            nextSegment = value.IndexOf(Delimiter);
 | 
	
		
			
				|  |  | +            if (nextSegment == -1)
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                nextSegment = value.Length;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            ReadOnlySpan<char> heightSpan = value[..nextSegment];
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            if (int.TryParse(widthSpan, NumberStyles.Integer, CultureInfo.InvariantCulture, out var width)
 | 
	
		
			
				|  |  | +                && int.TryParse(heightSpan, NumberStyles.Integer, CultureInfo.InvariantCulture, out var height))
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                image.Width = width;
 | 
	
		
			
				|  |  | +                image.Height = height;
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +            if (nextSegment < value.Length - 1)
 | 
	
		
			
				|  |  | +            {
 | 
	
		
			
				|  |  | +                value = value[(nextSegment + 1)..];
 | 
	
		
			
				|  |  | +                var length = value.Length;
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +                Span<char> blurHashSpan = stackalloc char[length];
 | 
	
		
			
				|  |  | +                for (int i = 0; i < length; i++)
 | 
	
		
			
				|  |  | +                {
 | 
	
		
			
				|  |  | +                    var c = value[i];
 | 
	
		
			
				|  |  | +                    blurHashSpan[i] = c switch
 | 
	
		
			
				|  |  | +                    {
 | 
	
		
			
				|  |  | +                        '/' => Delimiter,
 | 
	
		
			
				|  |  | +                        '\\' => '|',
 | 
	
		
			
				|  |  | +                        _ => c
 | 
	
		
			
				|  |  | +                    };
 | 
	
		
			
				|  |  | +                }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +                image.BlurHash = new string(blurHashSpan);
 | 
	
		
			
				|  |  | +            }
 | 
	
		
			
				|  |  | +        }
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +        return image;
 | 
	
		
			
				|  |  | +    }
 | 
	
		
			
				|  |  | +}
 |