From 84124b837db306c9bd5575fd6f87c413baed1e5b Mon Sep 17 00:00:00 2001
From: diogo <diogo@riddleandcode.com>
Date: Mon, 19 Jul 2021 12:09:17 +0300
Subject: [PATCH] use v1/next instead of searching for the continuation index

---
 src/invidious/playlists.cr | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/src/invidious/playlists.cr b/src/invidious/playlists.cr
index 20128462..b17ff9ef 100644
--- a/src/invidious/playlists.cr
+++ b/src/invidious/playlists.cr
@@ -437,6 +437,12 @@ def get_playlist_videos(db, playlist, offset, locale = nil, continuation = nil)
     db.query_all("SELECT * FROM playlist_videos WHERE plid = $1 ORDER BY array_position($2, index) LIMIT 100 OFFSET $3",
       playlist.id, playlist.index, offset, as: PlaylistVideo)
   else
+
+    if continuation
+      initial_data = request_youtube_api_next(continuation, playlist.id)
+      offset = initial_data["contents"]["twoColumnWatchNextResults"]["playlist"]["playlist"]["currentIndex"].as_i
+    end
+
     videos = [] of PlaylistVideo
 
     until videos.size >= 100 || videos.size == playlist.video_count || offset >= playlist.video_count
@@ -445,19 +451,6 @@ def get_playlist_videos(db, playlist, offset, locale = nil, continuation = nil)
       initial_data = request_youtube_api_browse(ctoken)
       videos += extract_playlist_videos(initial_data)
 
-      if continuation
-        until videos[0].id == continuation
-          videos.shift
-          if videos.size == 0
-            break
-          end
-        end
-      end
-
-      if videos.size > 0 && offset == 0
-        offset = videos[0].index
-      end
-
       offset += 100
     end