56 lines
1.4 KiB
C#
56 lines
1.4 KiB
C#
using System;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Sorting;
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using MediaBrowser.Model.Querying;
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namespace Emby.Server.Implementations.Sorting
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{
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/// <summary>
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/// Class ParentIndexNumberComparer.
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/// </summary>
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public class ParentIndexNumberComparer : IBaseItemComparer
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{
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/// <summary>
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/// Gets the name.
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/// </summary>
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/// <value>The name.</value>
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public string Name => ItemSortBy.ParentIndexNumber;
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/// <summary>
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/// Compares the specified x.
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/// </summary>
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/// <param name="x">The x.</param>
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/// <param name="y">The y.</param>
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/// <returns>System.Int32.</returns>
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public int Compare(BaseItem? x, BaseItem? y)
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{
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if (x == null)
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{
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throw new ArgumentNullException(nameof(x));
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}
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if (y == null)
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{
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throw new ArgumentNullException(nameof(y));
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}
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if (!x.ParentIndexNumber.HasValue && !y.ParentIndexNumber.HasValue)
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{
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return 0;
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}
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if (!x.ParentIndexNumber.HasValue)
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{
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return -1;
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}
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if (!y.ParentIndexNumber.HasValue)
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{
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return 1;
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}
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return x.ParentIndexNumber.Value.CompareTo(y.ParentIndexNumber.Value);
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}
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}
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}
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