From 0abc2a4069468286fc02e5830d66792297f65f2b Mon Sep 17 00:00:00 2001
From: Holger Schmidt <leroyz.mailaccount@gmx.net>
Date: Thu, 12 Dec 2024 18:55:54 +0100
Subject: [PATCH] Fix playlist search response extraction (#843)

---
 YoutubeExplode.Tests/SearchSpecs.cs     | 11 +++++
 YoutubeExplode/Bridge/SearchResponse.cs | 59 ++++++++++++++++++++++---
 2 files changed, 64 insertions(+), 6 deletions(-)

diff --git a/YoutubeExplode.Tests/SearchSpecs.cs b/YoutubeExplode.Tests/SearchSpecs.cs
index 1838ed21..61a92201 100644
--- a/YoutubeExplode.Tests/SearchSpecs.cs
+++ b/YoutubeExplode.Tests/SearchSpecs.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 using FluentAssertions;
 using Xunit;
@@ -100,6 +101,16 @@ public async Task I_can_get_playlist_results_from_a_search_query()
 
         // Assert
         playlists.Should().NotBeEmpty();
+
+        var last = playlists.Last();
+
+        last.Title.Should().NotBeNullOrWhiteSpace();
+        last.Author.Should().NotBeNull();
+        last.Thumbnails.Should().NotBeEmpty();
+
+        var lastThumb = last.Thumbnails.Last();
+        lastThumb.Url.Should().NotBeNullOrWhiteSpace();
+        lastThumb.Resolution.Should().NotBeSameAs(default(Resolution));
     }
 
     [Fact]
diff --git a/YoutubeExplode/Bridge/SearchResponse.cs b/YoutubeExplode/Bridge/SearchResponse.cs
index 51883fe6..358e7e01 100644
--- a/YoutubeExplode/Bridge/SearchResponse.cs
+++ b/YoutubeExplode/Bridge/SearchResponse.cs
@@ -28,9 +28,15 @@ internal partial class SearchResponse(JsonElement content)
     [Lazy]
     public IReadOnlyList<PlaylistData> Playlists =>
         ContentRoot
+            ?.EnumerateDescendantProperties("lockupViewModel")
+            .Select(j => new PlaylistData(j))
+            .ToArray()
+        // fall back to older working paths
+        ?? ContentRoot
             ?.EnumerateDescendantProperties("playlistRenderer")
             .Select(j => new PlaylistData(j))
-            .ToArray() ?? [];
+            .ToArray()
+        ?? [];
 
     [Lazy]
     public IReadOnlyList<ChannelData> Channels =>
@@ -129,11 +135,20 @@ internal partial class SearchResponse
     public class PlaylistData(JsonElement content)
     {
         [Lazy]
-        public string? Id => content.GetPropertyOrNull("playlistId")?.GetStringOrNull();
+        public string? Id =>
+            content.GetPropertyOrNull("contentId")?.GetStringOrNull()
+            // fall back to older working paths
+            ?? content.GetPropertyOrNull("playlistId")?.GetStringOrNull();
+
+        [Lazy]
+        private JsonElement? Metadata =>
+            content.GetPropertyOrNull("metadata")?.GetPropertyOrNull("lockupMetadataViewModel");
 
         [Lazy]
         public string? Title =>
-            content.GetPropertyOrNull("title")?.GetPropertyOrNull("simpleText")?.GetStringOrNull()
+            Metadata?.GetPropertyOrNull("title")?.GetPropertyOrNull("content")?.GetStringOrNull()
+            // fall back to older working paths
+            ?? content.GetPropertyOrNull("title")?.GetPropertyOrNull("simpleText")?.GetStringOrNull()
             ?? content
                 .GetPropertyOrNull("title")
                 ?.GetPropertyOrNull("runs")
@@ -144,18 +159,38 @@ public class PlaylistData(JsonElement content)
 
         [Lazy]
         private JsonElement? AuthorDetails =>
-            content
+            Metadata
+                ?.EnumerateDescendantProperties("metadataParts")
+                ?.ElementAtOrNull(0)
+                ?.EnumerateArrayOrNull()
+                ?.ElementAtOrNull(0)
+                ?.GetPropertyOrNull("text")
+            // fall back to older working paths
+            ?? content
                 .GetPropertyOrNull("longBylineText")
                 ?.GetPropertyOrNull("runs")
                 ?.EnumerateArrayOrNull()
                 ?.ElementAtOrNull(0);
 
         [Lazy]
-        public string? Author => AuthorDetails?.GetPropertyOrNull("text")?.GetStringOrNull();
+        public string? Author =>
+            AuthorDetails?.GetPropertyOrNull("content")?.GetStringOrNull()
+            // fall back to older working paths
+            ?? AuthorDetails?.GetPropertyOrNull("text")?.GetStringOrNull();
 
         [Lazy]
         public string? ChannelId =>
             AuthorDetails
+                ?.GetPropertyOrNull("commandRuns")
+                ?.EnumerateArrayOrNull()
+                ?.ElementAtOrNull(0)
+                ?.GetPropertyOrNull("onTap")
+                ?.GetPropertyOrNull("innertubeCommand")
+                ?.GetPropertyOrNull("browseEndpoint")
+                ?.GetPropertyOrNull("browseId")
+                ?.GetStringOrNull()
+            // fall back to older working paths
+            ?? AuthorDetails
                 ?.GetPropertyOrNull("navigationEndpoint")
                 ?.GetPropertyOrNull("browseEndpoint")
                 ?.GetPropertyOrNull("browseId")
@@ -164,11 +199,23 @@ public class PlaylistData(JsonElement content)
         [Lazy]
         public IReadOnlyList<ThumbnailData> Thumbnails =>
             content
+                .GetPropertyOrNull("contentImage")
+                ?.GetPropertyOrNull("collectionThumbnailViewModel")
+                ?.GetPropertyOrNull("primaryThumbnail")
+                ?.GetPropertyOrNull("thumbnailViewModel")
+                ?.GetPropertyOrNull("image")
+                ?.GetPropertyOrNull("sources")
+                ?.EnumerateArrayOrEmpty()
+                .Select(j => new ThumbnailData(j))
+                .ToArray()
+            // fall back to older working paths
+            ?? content
                 .GetPropertyOrNull("thumbnails")
                 ?.EnumerateDescendantProperties("thumbnails")
                 .SelectMany(j => j.EnumerateArrayOrEmpty())
                 .Select(j => new ThumbnailData(j))
-                .ToArray() ?? [];
+                .ToArray()
+            ?? [];
     }
 }