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Show real view counts in playlist-backed feeds

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The playlist tables store no views, so Trending/Popular reported 0 for
every item. The companion suggestion bot already caches YouTube metadata
in suggest.video_meta in the same database: look the counts up in one
query per feed and fall back to 0 when the row or the whole schema is
missing, so instances without the bot are unaffected.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
NeskireDK 2026-08-12 21:21:03 +02:00
parent 5025d06c00
commit b3272e62a4
1 changed files with 26 additions and 7 deletions
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33
src/invidious/playlist_feeds.cr
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@ -13,7 +13,7 @@ module Invidious::PlaylistFeeds
# in its own order, duplicates dropped. Missing or non-public playlists
# are skipped with a log line so one bad entry cannot break the feed.
def feed_videos(plids : Array(String)) : Array(SearchVideo)
videos = [] of SearchVideo
playlist_videos = [] of PlaylistVideo
seen = Set(String).new
plids.each do |plid|
@ -30,23 +30,42 @@ module Invidious::PlaylistFeeds
Invidious::Database::PlaylistVideos.select(plid, playlist.index, 0, limit: 200).each do |video|
next if seen.includes?(video.id)
seen << video.id
videos << as_search_video(video)
playlist_videos << video
end
end
videos
views = view_counts(seen.to_a)
playlist_videos.map { |video| as_search_video(video, views[video.id]? || 0_i64) }
end
# PlaylistVideo lacks views/description/thumbnails metadata; neutral
# defaults keep the SearchVideo JSON shape the feed endpoints promise.
private def as_search_video(video : PlaylistVideo) : SearchVideo
# The playlist tables store no view counts, but the companion suggestion bot
# keeps a permanent metadata cache in the same database. That `suggest`
# schema belongs to the bot and is absent on a fresh install of this fork, so
# a failed lookup costs the view counts only, never the feed itself.
private def view_counts(ids : Array(String)) : Hash(String, Int64)
return {} of String => Int64 if ids.empty?
request = <<-SQL
SELECT vid, views FROM suggest.video_meta
WHERE views IS NOT NULL AND vid = ANY($1)
SQL
PG_DB.query_all(request, ids, as: {String, Int64}).to_h
rescue ex
LOGGER.debug("PlaylistFeeds: no view counts from suggest.video_meta (#{ex.message})")
{} of String => Int64
end
# PlaylistVideo lacks description/thumbnails metadata; neutral defaults keep
# the SearchVideo JSON shape the feed endpoints promise.
private def as_search_video(video : PlaylistVideo, views : Int64) : SearchVideo
SearchVideo.new({
title: video.title,
id: video.id,
author: video.author,
ucid: video.ucid,
published: video.published,
views: 0_i64,
views: views,
description_html: "",
length_seconds: video.length_seconds,
premiere_timestamp: nil,