mirror of
https://github.com/jellyfin/jellyfin.git
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135 lines
3.9 KiB
C#
135 lines
3.9 KiB
C#
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using System;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Entities.TV;
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using MediaBrowser.Controller.Sorting;
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using MediaBrowser.Model.Querying;
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namespace MediaBrowser.Server.Implementations.Sorting
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{
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class AiredEpisodeOrderComparer : IBaseItemComparer
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{
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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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var val = DateTime.Compare(x.PremiereDate ?? DateTime.MinValue, y.PremiereDate ?? DateTime.MinValue);
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if (val != 0)
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{
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return val;
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}
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var episode1 = x as Episode;
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var episode2 = y as Episode;
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if (episode1 == null)
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{
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if (episode2 == null)
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{
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return 0;
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}
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return 1;
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}
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if (episode2 == null)
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{
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return -1;
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}
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return Compare(episode1, episode2);
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}
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private int Compare(Episode x, Episode y)
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{
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var isXSpecial = (x.ParentIndexNumber ?? -1) == 0;
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var isYSpecial = (y.ParentIndexNumber ?? -1) == 0;
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if (isXSpecial && isYSpecial)
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{
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return CompareSpecials(x, y);
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}
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if (!isXSpecial && !isYSpecial)
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{
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return CompareEpisodes(x, y);
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}
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if (!isXSpecial && isYSpecial)
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{
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return CompareEpisodeToSpecial(x, y);
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}
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return CompareEpisodeToSpecial(x, y) * -1;
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}
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private int CompareEpisodeToSpecial(Episode x, Episode y)
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{
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var xSeason = x.ParentIndexNumber ?? -1;
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var ySeason = y.AirsAfterSeasonNumber ?? y.AirsBeforeSeasonNumber ?? -1;
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if (xSeason != ySeason)
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{
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return xSeason.CompareTo(ySeason);
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}
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// Now we know they have the same season
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// Compare episode number
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// Add 1 to to non-specials to account for AirsBeforeEpisodeNumber
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var xEpisode = (x.IndexNumber ?? 0) * 1000 + 1;
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var yEpisode = (y.AirsBeforeEpisodeNumber ?? 0) * 1000;
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return xEpisode.CompareTo(yEpisode);
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}
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private int CompareSpecials(Episode x, Episode y)
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{
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return GetSpecialCompareValue(x).CompareTo(GetSpecialCompareValue(y));
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}
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private int GetSpecialCompareValue(Episode item)
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{
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// First sort by season number
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// Since there are three sort orders, pad with 9 digits (3 for each, figure 1000 episode buffer should be enough)
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var val = (item.AirsBeforeSeasonNumber ?? item.AirsAfterSeasonNumber ?? 0) * 1000000000;
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// Second sort order is if it airs after the season
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if (item.AirsAfterSeasonNumber.HasValue)
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{
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val += 1000000;
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}
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// Third level is the episode number
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val += (item.AirsBeforeEpisodeNumber ?? 0) * 1000;
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// Finally, if that's still the same, last resort is the special number itself
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val += item.IndexNumber ?? 0;
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return val;
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}
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private int CompareEpisodes(Episode x, Episode y)
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{
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var xValue = ((x.ParentIndexNumber ?? -1) * 1000) + (x.IndexNumber ?? -1);
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var yValue = ((y.ParentIndexNumber ?? -1) * 1000) + (y.IndexNumber ?? -1);
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return xValue.CompareTo(yValue);
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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
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{
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get { return ItemSortBy.AiredEpisodeOrder; }
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}
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}
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}
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