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Use InnerTube for channel feed refresh
AI-assisted change prepared with OpenAI Codex (GPT-5). Manual human review and runtime testing are pending; this branch has not been submitted upstream.
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AssassinNAT10NS
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@ -159,30 +159,10 @@ def fetch_channel(ucid, pull_all_videos : Bool)
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LOGGER.debug("fetch_channel: #{ucid}")
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LOGGER.trace("fetch_channel: #{ucid} : pull_all_videos = #{pull_all_videos}")
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namespaces = {
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"yt" => "http://www.youtube.com/xml/schemas/2015",
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"media" => "http://search.yahoo.com/mrss/",
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"default" => "http://www.w3.org/2005/Atom",
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}
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LOGGER.trace("fetch_channel: #{ucid} : Downloading RSS feed")
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rss = YT_POOL.client &.get("/feeds/videos.xml?channel_id=#{ucid}").body
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LOGGER.trace("fetch_channel: #{ucid} : Parsing RSS feed")
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rss = XML.parse(rss)
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author = rss.xpath_node("//default:feed/default:title", namespaces)
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if !author
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raise InfoException.new("Deleted or invalid channel")
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end
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author = author.content
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# Auto-generated channels
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# https://support.google.com/youtube/answer/2579942
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if author.ends_with?(" - Topic") ||
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{"Popular on YouTube", "Music", "Sports", "Gaming"}.includes? author
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auto_generated = true
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end
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LOGGER.trace("fetch_channel: #{ucid} : Downloading channel information")
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about_channel = get_about_info(ucid, CONFIG.default_user_preferences.locale)
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author = about_channel.author
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auto_generated = about_channel.auto_generated
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LOGGER.trace("fetch_channel: #{ucid} : author = #{author}, auto_generated = #{auto_generated}")
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@ -197,98 +177,37 @@ def fetch_channel(ucid, pull_all_videos : Bool)
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LOGGER.trace("fetch_channel: #{ucid} : Downloading channel videos page")
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videos, continuation = IV::Channel::Tabs.get_videos(channel)
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LOGGER.trace("fetch_channel: #{ucid} : Extracting videos from channel RSS feed")
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rss.xpath_nodes("//default:feed/default:entry", namespaces).each do |entry|
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video_id = entry.xpath_node("yt:videoId", namespaces).not_nil!.content
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title = entry.xpath_node("default:title", namespaces).not_nil!.content
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loop do
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count = 0
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videos.select(SearchVideo).each do |video|
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count += 1
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video = ChannelVideo.new({
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id: video.id,
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title: video.title,
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published: video.published,
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updated: Time.utc,
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ucid: video.ucid,
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author: video.author,
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length_seconds: video.length_seconds,
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live_now: video.badges.live_now?,
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premiere_timestamp: video.premiere_timestamp,
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views: video.views,
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})
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published = Time.parse_rfc3339(
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entry.xpath_node("default:published", namespaces).not_nil!.content
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)
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updated = Time.parse_rfc3339(
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entry.xpath_node("default:updated", namespaces).not_nil!.content
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)
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author = entry.xpath_node("default:author/default:name", namespaces).not_nil!.content
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ucid = entry.xpath_node("yt:channelId", namespaces).not_nil!.content
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views = entry
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.xpath_node("media:group/media:community/media:statistics", namespaces)
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.try &.["views"]?.try &.to_i64? || 0_i64
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channel_video = videos
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.select(SearchVideo)
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.select(&.id.== video_id)[0]?
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length_seconds = channel_video.try &.length_seconds
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length_seconds ||= 0
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live_now = channel_video.try &.badges.live_now?
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live_now ||= false
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premiere_timestamp = channel_video.try &.premiere_timestamp
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video = ChannelVideo.new({
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id: video_id,
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title: title,
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published: published,
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updated: updated,
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ucid: ucid,
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author: author,
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length_seconds: length_seconds,
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live_now: live_now,
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premiere_timestamp: premiere_timestamp,
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views: views,
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})
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LOGGER.trace("fetch_channel: #{ucid} : video #{video_id} : Updating or inserting video")
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# We don't include the 'premiere_timestamp' here because channel pages don't include them,
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# meaning the above timestamp is always null
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was_insert = Invidious::Database::ChannelVideos.insert(video)
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if was_insert
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LOGGER.trace("fetch_channel: #{ucid} : video #{video_id} : Inserted, updating subscriptions")
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NOTIFICATION_CHANNEL.send(VideoNotification.from_video(video))
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else
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LOGGER.trace("fetch_channel: #{ucid} : video #{video_id} : Updated")
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end
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end
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if pull_all_videos
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loop do
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# Keep fetching videos using the continuation token retrieved earlier
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videos, continuation = IV::Channel::Tabs.get_videos(channel, continuation: continuation)
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count = 0
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videos.select(SearchVideo).each do |video|
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count += 1
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video = ChannelVideo.new({
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id: video.id,
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title: video.title,
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published: video.published,
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updated: Time.utc,
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ucid: video.ucid,
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author: video.author,
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length_seconds: video.length_seconds,
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live_now: video.badges.live_now?,
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premiere_timestamp: video.premiere_timestamp,
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views: video.views,
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})
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# We are notified of Red videos elsewhere (PubSub), which includes a correct published date,
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# so since they don't provide a published date here we can safely ignore them.
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if Time.utc - video.published > 1.minute
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was_insert = Invidious::Database::ChannelVideos.insert(video)
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if was_insert
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NOTIFICATION_CHANNEL.send(VideoNotification.from_video(video))
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end
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# We are notified of Red videos elsewhere (PubSub), which includes a correct published date,
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# so since they don't provide a published date here we can safely ignore them.
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if Time.utc - video.published > 1.minute
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was_insert = Invidious::Database::ChannelVideos.insert(video)
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if was_insert
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NOTIFICATION_CHANNEL.send(VideoNotification.from_video(video))
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end
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end
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break if count < 25
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sleep 500.milliseconds
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end
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break if !pull_all_videos || continuation.nil? || count < 25
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sleep 500.milliseconds
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videos, continuation = IV::Channel::Tabs.get_videos(channel, continuation: continuation)
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end
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channel.updated = Time.utc
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