Add channel queries to series (#13356)

Currently, the IChannel interface can deliver channel result folders which are interpreted as series and seasons. However, Jellyfin does not query for the contents of these folders when viewing said serie of season. This results in empty series in the API.

2 files changed, 50 insertions, 1 deletions

diff --git a/MediaBrowser.Controller/Entities/TV/Season.cs b/MediaBrowser.Controller/Entities/TV/Season.cs
index 1293528fba..408161b03d 100644
--- a/MediaBrowser.Controller/Entities/TV/Season.cs
+++ b/MediaBrowser.Controller/Entities/TV/Season.cs
@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Text.Json.Serialization;
+using System.Threading;
 using Jellyfin.Data.Enums;
 using Jellyfin.Database.Implementations.Entities;
 using Jellyfin.Extensions;
@@ -152,6 +153,21 @@ namespace MediaBrowser.Controller.Entities.TV
 
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
         {
+            if (SourceType == SourceType.Channel)
+            {
+                try
+                {
+                    query.Parent = this;
+                    query.ChannelIds = new[] { ChannelId };
+                    return ChannelManager.GetChannelItemsInternal(query, new Progress<double>(), CancellationToken.None).GetAwaiter().GetResult();
+                }
+                catch
+                {
+                    // Already logged at lower levels
+                    return new QueryResult<BaseItem>();
+                }
+            }
+
             if (query.User is null)
             {
                 return base.GetItemsInternal(query);
diff --git a/MediaBrowser.Controller/Entities/TV/Series.cs b/MediaBrowser.Controller/Entities/TV/Series.cs
index 5dad158519..8d55576224 100644
--- a/MediaBrowser.Controller/Entities/TV/Series.cs
+++ b/MediaBrowser.Controller/Entities/TV/Series.cs
@@ -226,6 +226,21 @@ namespace MediaBrowser.Controller.Entities.TV
         {
             var user = query.User;
 
+            if (SourceType == SourceType.Channel)
+            {
+                try
+                {
+                    query.Parent = this;
+                    query.ChannelIds = [ChannelId];
+                    return ChannelManager.GetChannelItemsInternal(query, new Progress<double>(), CancellationToken.None).GetAwaiter().GetResult();
+                }
+                catch
+                {
+                    // Already logged at lower levels
+                    return new QueryResult<BaseItem>();
+                }
+            }
+
             if (query.Recursive)
             {
                 var seriesKey = GetUniqueSeriesKey(this);
@@ -372,7 +387,25 @@ namespace MediaBrowser.Controller.Entities.TV
                 query.IsMissing = false;
             }
 
-            var allItems = LibraryManager.GetItemList(query);
+            IReadOnlyList<BaseItem> allItems;
+            if (SourceType == SourceType.Channel)
+            {
+                try
+                {
+                    query.Parent = parentSeason;
+                    query.ChannelIds = [ChannelId];
+                    allItems = [.. ChannelManager.GetChannelItemsInternal(query, new Progress<double>(), CancellationToken.None).GetAwaiter().GetResult().Items];
+                }
+                catch
+                {
+                    // Already logged at lower levels
+                    return [];
+                }
+            }
+            else
+            {
+                allItems = LibraryManager.GetItemList(query);
+            }
 
             return GetSeasonEpisodes(parentSeason, user, allItems, options, shouldIncludeMissingEpisodes);
         }