From 3d9a3bf5981bcf77c082a5acedd97ed2001876e8 Mon Sep 17 00:00:00 2001
From: girst <tobi@isticktoit.net>
Date: Tue, 15 Aug 2023 20:44:38 +0000
Subject: [PATCH] protobuf: replace make_playlist_params with new library

removes the large comment listing all the playlist types.
---
 app/browse/protobuf.py | 52 ++++++------------------------------------
 1 file changed, 7 insertions(+), 45 deletions(-)

diff --git a/app/browse/protobuf.py b/app/browse/protobuf.py
index d3ebd28..e3a0768 100644
--- a/app/browse/protobuf.py
+++ b/app/browse/protobuf.py
@@ -104,50 +104,12 @@ def make_channel_params(subject, typ="videos", sort=None, query=None):
 # }}} CHANNEL
 
 # PLAYLIST {{{
-@message
-@dataclass
-class PlaylistData:
-    offset: Optional[int64] = field(1)  # normal playlists
-    after: Optional[str] = field(2)  # mix playlist (RDCL*, RDCM*): video id of last loaded item (how to get first page!?)
-@message
-@dataclass
-class PlaylistSubparams:
-    data: str = field(15)
 def make_playlist_params(playlist_id, offset):
-    # TODO: special type of playlists: (see https://github.com/nlitsme/youtube_tool)
-    # - PL*: normal playlists
-    # - special channel playlists (suffix=channel_id without UC):
-    #   - UU*: newest uploads (works)
-    #   - PU*: popular uploads (works)
-    #     Note: youtubekids (e.g. PLMYEtVRpaqY00V9W81Cwmzp6N6vZqfUKD4) fallback-only (youtube webui 404's)
-    #   - FL*: favourited uploads (works; 404's if private)
-    #   - LL*: liked uploads (untested)
-    #   - RDCMUC*: mix for channel (fallback only; e.g. RDCMUCYO_jab_esuFRV4b17AJtAw, undisplayable on youtube (only works on watch))
-    #   - CL, EL, MQ, TT: unknown
-    # - OLAK5uy_ music album playlist (works, e.g. OLAK5uy_m4xAFdmMC5rX3Ji3g93pQe3hqLZw_9LhM)
-    # - RD*: mix playlist (works with after=; e.g. RDCLAK5uy_kLWIr9gv1XLlPbaDS965-Db4TrBoUTxQ8, RDCLAK5uy_mx8mvGaCkyI12AedAu8yIbBpEYmg6Ayow, RDCLAK5uy_n340faD9pPGRVEVwozYTzIpfXuqmQwcgA, RDCLAK5uy_kQmVjdr90p2onIIAnijgU8u9iUUAOXM2I)
-    # https://www.youtube.com/watch?v=FTQbiNvZqaY&list=RDCLAK5uy_khNGopKCT_t38MZ1W7z4kERrqprkXovxo&start_radio=1
-    # - EC, UL, TL: unknown
-    # - own user playlists (obviously not working):
-    #   - RDMM: my mix
-    #   - WL: watch later
-    #   - LL: own liked videos
-    #   - LM: own liked youtube-music videos
-    after = None
-    if playlist_id.startswith("RD"):
-        # NOTE: this only fixes RDCLAK5uy_, not RDCMUC
-        after = '___________'  # any video id that doesn't exist within the playlist requests the beginning
-        offset = None
-
-    return b64e(Continuation(
-        params=Params(
-            subject="VL" + playlist_id,
-            params=b64e(PlaylistSubparams(
-                data="PT:" + b64e(PlaylistData(
-                    offset=offset,
-                    after=after,
-                ).dumps(), padding=False)
-            ).dumps()),
-        ),
-    ).dumps())
+    # mix takes video id instead of offset. an id not in the playlist requests the beginning.
+    mix_playlist = playlist_id.startswith("RD")
+    return continuation("VL" + playlist_id, {
+        15: "PT:" + proto(
+            { 2: '___________' } if mix_playlist else { 1: offset }
+        )
+    })
 # }}} PLAYLIST
-- 
2.39.3