Support unlisted and direct url for YouTube

src/providers/DiscordMusicPlayer.ts

@@ -237,7 +237,30 @@ class DiscordMusicPlayer {
             }
         }
 
-        // TODO: Construct our own YouTubeVideo for unlisted videos or somehow the search failed
+        let yt_info = await playdl.video_info("https://www.youtube.com/watch?v=" + youtubeLink.videoId);
+        if(yt_info) {
+            return new YouTubeVideo({
+                id: yt_info.video_details.id,
+                url: yt_info.video_details.url,
+                type: yt_info.video_details.type,
+                title: yt_info.video_details.title,
+                description: yt_info.video_details.description,
+                durationRaw: yt_info.video_details.durationRaw,
+                durationInSec: yt_info.video_details.durationInSec,
+                uploadedAt: yt_info.video_details.uploadedAt,
+                upcoming:  yt_info.video_details.upcoming,
+                views: yt_info.video_details.views,
+                thumbnails: yt_info.video_details.thumbnails,
+                channel: yt_info.video_details.channel,
+                likes: yt_info.video_details.likes,
+                live: yt_info.video_details.live,
+                private: yt_info.video_details.private,
+                tags: yt_info.video_details.tags,
+                discretionAdvised: yt_info.video_details.discretionAdvised,
+                music: yt_info.video_details.music
+            });
+        }
+
 
         return null;
     }