fix: fix channel extraction for videos with multiple collaborators

Author: b5i

Sources/YouTubeKit/BaseStructs/YTVideo.swift

@@ -55,6 +55,14 @@ public struct YTVideo: YTSearchResult, YouTubeVideo, Codable, Sendable {
             var channel = YTLittleChannelInfos(channelId: channelId, name: json["shortBylineText", "runs", 0, "text"].string)
             YTThumbnail.appendThumbnails(json: json["channelThumbnailSupportedRenderers", "channelThumbnailWithLinkRenderer", "thumbnail"], thumbnailList: &channel.thumbnails)
 
+            video.channel = channel
+        } else if let channelId = json["ownerText", "runs", 0, "navigationEndpoint", "showDialogCommand", "panelLoadingStrategy", "inlineContent", "dialogViewModel", "customContent", "listViewModel", "listItems", 0, "listItemViewModel", "rendererContext", "commandContext", "onTap", "innertubeCommand", "browseEndpoint", "browseId"].string {
+            // case where there's mutliple collaborators on a video
+            // TODO: support mutliple channels for a video
+            let channelContent = json["ownerText", "runs", 0, "navigationEndpoint", "showDialogCommand", "panelLoadingStrategy", "inlineContent", "dialogViewModel", "customContent", "listViewModel", "listItems", 0, "listItemViewModel"]
+            var channel = YTLittleChannelInfos(channelId: channelId, name: channelContent["title", "content"].string)
+            YTThumbnail.appendThumbnails(json: channelContent["leadingAccessory", "avatarViewModel"], thumbnailList: &channel.thumbnails)
+            
             video.channel = channel
         }
 

Tests/YouTubeKitTests/YouTubeKitTests.swift

@@ -552,7 +552,7 @@ final class YouTubeKitTests: XCTestCase {
             XCTAssertNotEqual(firstChannel.thumbnails.count, 0)
         }
 
-        searchResult = try await SearchResponse.sendThrowingRequest(youtubeModel: YTM, data: [.query: "fred again"])
+        searchResult = try await SearchResponse.sendThrowingRequest(youtubeModel: YTM, data: [.query: "mrbeast"])
 
         if let firstChannel = searchResult.results.first(where: {$0 as? YTChannel != nil}) as? YTChannel {
             XCTAssertNotNil(firstChannel.name)
@@ -568,6 +568,8 @@ final class YouTubeKitTests: XCTestCase {
             XCTAssertNotNil(firstVideo.timeLength)
             XCTAssertNotNil(firstVideo.viewCount)
             XCTAssertNotNil(firstVideo.timePosted)
+            XCTAssertNotNil(firstVideo.channel?.name)
+            XCTAssertNotEqual(firstVideo.channel?.thumbnails.count, 0)
         }
 
         if let firstPlaylist = searchResult.results.first(where: {$0 as? YTPlaylist != nil}) as? YTPlaylist {