jellyfin/MediaBrowser.Server.Implementations/Sorting/PremiereDateComparer.cs

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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Sorting;
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using MediaBrowser.Model.Querying;
using System;
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namespace MediaBrowser.Server.Implementations.Sorting
{
/// <summary>
/// Class PremiereDateComparer
/// </summary>
public class PremiereDateComparer : IBaseItemComparer
{
/// <summary>
/// Compares the specified x.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <returns>System.Int32.</returns>
public int Compare(BaseItem x, BaseItem y)
{
return GetDate(x).CompareTo(GetDate(y));
}
/// <summary>
/// Gets the date.
/// </summary>
/// <param name="x">The x.</param>
/// <returns>DateTime.</returns>
private DateTime GetDate(BaseItem x)
{
if (x.PremiereDate.HasValue)
{
return x.PremiereDate.Value;
}
if (x.ProductionYear.HasValue)
{
return new DateTime(x.ProductionYear.Value, 1, 1, 0, 0, 0, DateTimeKind.Utc);
}
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return DateTime.MinValue;
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}
/// <summary>
/// Gets the name.
/// </summary>
/// <value>The name.</value>
public string Name
{
get { return ItemSortBy.PremiereDate; }
}
}
}