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Improve LibraryManager.Sort when using "Random" order (#12165)

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Co-authored-by: Cody Robibero <cody@robibe.ro>
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ItsAllAboutTheCode 2024-07-15 07:44:06 -05:00 committed by GitHub
parent 90dcd9f267
commit 5e840c1db6
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2 changed files with 21 additions and 10 deletions
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1
CONTRIBUTORS.md
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@ -185,6 +185,7 @@
- [Vedant](https://github.com/viktory36/)
- [NotSaifA](https://github.com/NotSaifA)
- [HonestlyWhoKnows](https://github.com/honestlywhoknows)
- [ItsAllAboutTheCode](https://github.com/ItsAllAboutTheCode)
# Emby Contributors

30
Emby.Server.Implementations/Library/LibraryManager.cs
View File

@ -1,4 +1,5 @@
#pragma warning disable CS1591
#pragma warning disable CA5394
using System;
using System.Collections.Concurrent;
@ -16,6 +17,7 @@ using Emby.Server.Implementations.Library.Resolvers;
using Emby.Server.Implementations.Library.Validators;
using Emby.Server.Implementations.Playlists;
using Emby.Server.Implementations.ScheduledTasks.Tasks;
using Emby.Server.Implementations.Sorting;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using Jellyfin.Extensions;
@ -1710,13 +1712,19 @@ namespace Emby.Server.Implementations.Library
/// <inheritdoc />
public IEnumerable<BaseItem> Sort(IEnumerable<BaseItem> items, User? user, IEnumerable<ItemSortBy> sortBy, SortOrder sortOrder)
{
var isFirst = true;
IOrderedEnumerable<BaseItem>? orderedItems = null;
foreach (var orderBy in sortBy.Select(o => GetComparer(o, user)).Where(c => c is not null))
{
if (isFirst)
if (orderBy is RandomComparer)
{
var randomItems = items.ToArray();
Random.Shared.Shuffle(randomItems);
items = randomItems;
// Items are no longer ordered at this point, so set orderedItems back to null
orderedItems = null;
}
else if (orderedItems is null)
{
orderedItems = sortOrder == SortOrder.Descending
? items.OrderByDescending(i => i, orderBy)
@ -1728,8 +1736,6 @@ namespace Emby.Server.Implementations.Library
? orderedItems!.ThenByDescending(i => i, orderBy)
: orderedItems!.ThenBy(i => i, orderBy); // orderedItems is set during the first iteration
}
isFirst = false;
}
return orderedItems ?? items;
@ -1738,8 +1744,6 @@ namespace Emby.Server.Implementations.Library
/// <inheritdoc />
public IEnumerable<BaseItem> Sort(IEnumerable<BaseItem> items, User? user, IEnumerable<(ItemSortBy OrderBy, SortOrder SortOrder)> orderBy)
{
var isFirst = true;
IOrderedEnumerable<BaseItem>? orderedItems = null;
foreach (var (name, sortOrder) in orderBy)
@ -1750,7 +1754,15 @@ namespace Emby.Server.Implementations.Library
continue;
}
if (isFirst)
if (comparer is RandomComparer)
{
var randomItems = items.ToArray();
Random.Shared.Shuffle(randomItems);
items = randomItems;
// Items are no longer ordered at this point, so set orderedItems back to null
orderedItems = null;
}
else if (orderedItems is null)
{
orderedItems = sortOrder == SortOrder.Descending
? items.OrderByDescending(i => i, comparer)
@ -1762,8 +1774,6 @@ namespace Emby.Server.Implementations.Library
? orderedItems!.ThenByDescending(i => i, comparer)
: orderedItems!.ThenBy(i => i, comparer); // orderedItems is set during the first iteration
}
isFirst = false;
}
return orderedItems ?? items;