forked from midou/invidious
Fix notifications
This commit is contained in:
Omar Roth
parent
5e572c4610
commit
208f32661b
180
src/helpers.cr
180
src/helpers.cr
@ -542,12 +542,12 @@ def login_req(login_form, f_req)
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return HTTP::Params.encode(data)
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end
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def get_channel(id, client, db)
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def get_channel(id, client, db, refresh = true, pull_videos = true)
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if db.query_one?("SELECT EXISTS (SELECT true FROM channels WHERE id = $1)", id, as: Bool)
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channel = db.query_one("SELECT * FROM channels WHERE id = $1", id, as: InvidiousChannel)
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if Time.now - channel.updated > 1.minute
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channel = fetch_channel(id, client, db)
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if refresh && Time.now - channel.updated > 10.minutes
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channel = fetch_channel(id, client, db, pull_videos)
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channel_array = channel.to_a
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args = arg_array(channel_array)
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@ -555,7 +555,7 @@ def get_channel(id, client, db)
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ON CONFLICT (id) DO UPDATE SET updated = $3", channel_array)
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end
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else
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channel = fetch_channel(id, client, db)
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channel = fetch_channel(id, client, db, pull_videos)
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args = arg_array(channel.to_a)
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db.exec("INSERT INTO channels VALUES (#{args})", channel.to_a)
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end
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@ -563,35 +563,112 @@ def get_channel(id, client, db)
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return channel
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end
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def fetch_channel(ucid, client, db)
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def fetch_channel(ucid, client, db, pull_videos = true)
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rss = client.get("/feeds/videos.xml?channel_id=#{ucid}").body
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rss = XML.parse_html(rss)
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db.exec("DELETE FROM channel_videos * WHERE ucid = $1", ucid)
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rss.xpath_nodes("//feed/entry").each do |entry|
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video_id = entry.xpath_node("videoid").not_nil!.content
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title = entry.xpath_node("title").not_nil!.content
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published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z")
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updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z")
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author = entry.xpath_node("author/name").not_nil!.content
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ucid = entry.xpath_node("channelid").not_nil!.content
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video = ChannelVideo.new(video_id, title, published, updated, ucid, author)
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video_array = video.to_a
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args = arg_array(video_array)
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db.exec("UPDATE users SET notifications = notifications || $1 \
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WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video_id, published, ucid)
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# TODO: Update record on conflict
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db.exec("INSERT INTO channel_videos VALUES (#{args})\
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ON CONFLICT (id) DO NOTHING", video_array)
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author = rss.xpath_node(%q(//feed/title))
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if !author
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raise "Deleted or invalid channel"
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end
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author = author.content
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author = rss.xpath_node("//feed/author/name").try &.content
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author ||= ""
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if !pull_videos
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rss.xpath_nodes("//feed/entry").each do |entry|
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video_id = entry.xpath_node("videoid").not_nil!.content
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title = entry.xpath_node("title").not_nil!.content
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published = Time.parse(entry.xpath_node("published").not_nil!.content, "%FT%X%z")
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updated = Time.parse(entry.xpath_node("updated").not_nil!.content, "%FT%X%z")
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author = entry.xpath_node("author/name").not_nil!.content
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ucid = entry.xpath_node("channelid").not_nil!.content
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video = ChannelVideo.new(video_id, title, published, Time.now, ucid, author)
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db.exec("UPDATE users SET notifications = notifications || $1 \
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WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, Time.now, ucid)
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video_array = video.to_a
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args = arg_array(video_array)
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db.exec("INSERT INTO channel_videos VALUES (#{args})\
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ON CONFLICT (id) DO NOTHING", video_array)
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end
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else
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videos = [] of ChannelVideo
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page = 1
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loop do
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url = produce_videos_url(ucid, page)
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response = client.get(url)
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json = JSON.parse(response.body)
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content_html = json["content_html"].as_s
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if content_html.empty?
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# If we don't get anything, move on
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break
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end
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document = XML.parse_html(content_html)
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document.xpath_nodes(%q(//li[contains(@class, "channels-content-item")])).each do |item|
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root = item.xpath_node(%q(div/div/div[@class="yt-lockup-content"]))
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if !root
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raise "could not find root"
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end
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anchor = root.xpath_node(%q(h3[contains(@class,"yt-lockup-title")]/a))
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if !anchor
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raise "could not find anchor"
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end
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title = anchor.content.strip
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video_id = anchor["href"].lchop("/watch?v=")
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published = root.xpath_node(%q(div[@class="yt-lockup-meta"]/ul/li[2]))
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if !published
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# This happens on Youtube red videos, here we just skip them
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next
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end
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published = published.content.split(" ")
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span = published[0].to_i
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case published[1]
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when .includes? "second"
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span = span.seconds
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when .includes? "minute"
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span = span.minutes
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when .includes? "hour"
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span = span.hours
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when .includes? "day"
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span = span.days
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when .includes? "week"
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span = span.weeks
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when .includes? "month"
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span = span.months
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when .includes? "year"
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span = span.years
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else
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raise "Unrecognized time: #{published[1]}"
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end
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published = Time.now - span
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videos << ChannelVideo.new(video_id, title, published, Time.now, ucid, author)
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end
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if document.xpath_nodes(%q(//li[contains(@class, "channels-content-item")])).size < 30
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break
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end
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page += 1
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end
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db.exec("DELETE FROM channel_videos * WHERE ucid = $1", ucid)
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videos.each do |video|
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db.exec("UPDATE users SET notifications = notifications || $1 \
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WHERE updated < $2 AND $3 = ANY(subscriptions) AND $1 <> ALL(notifications)", video.id, video.published, ucid)
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video_array = video.to_a
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args = arg_array(video_array)
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db.exec("INSERT INTO channel_videos VALUES (#{args})", video_array)
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end
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end
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channel = InvidiousChannel.new(ucid, author, Time.now)
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@ -602,8 +679,8 @@ def get_user(sid, client, headers, db)
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if db.query_one?("SELECT EXISTS (SELECT true FROM users WHERE id = $1)", sid, as: Bool)
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user = db.query_one("SELECT * FROM users WHERE id = $1", sid, as: User)
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if Time.now - user.updated > 1.minutes
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user = fetch_user(sid, client, headers)
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if Time.now - user.updated > 1.minute
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user = fetch_user(sid, client, headers, db)
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user_array = user.to_a
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args = arg_array(user_array)
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@ -611,7 +688,7 @@ def get_user(sid, client, headers, db)
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ON CONFLICT (email) DO UPDATE SET id = $1, updated = $2, subscriptions = $4", user_array)
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end
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else
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user = fetch_user(sid, client, headers)
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user = fetch_user(sid, client, headers, db)
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user_array = user.to_a
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args = arg_array(user.to_a)
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@ -622,7 +699,7 @@ def get_user(sid, client, headers, db)
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return user
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end
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def fetch_user(sid, client, headers)
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def fetch_user(sid, client, headers, db)
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feed = client.get("/subscription_manager?disable_polymer=1", headers)
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feed = XML.parse_html(feed.body)
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@ -630,9 +707,13 @@ def fetch_user(sid, client, headers)
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feed.xpath_nodes(%q(//ul[@id="guide-channels"]/li/a)).each do |channel|
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if !["Popular on YouTube", "Music", "Sports", "Gaming"].includes? channel["title"]
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channel_id = channel["href"].lstrip("/channel/")
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get_channel(channel_id, client, PG_DB)
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channels << channel_id
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begin
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channel = get_channel(channel_id, client, db, false, false)
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channels << channel.id
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rescue ex
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next
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end
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end
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end
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@ -670,7 +751,7 @@ def decode_time(string)
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end
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def produce_playlist_url(ucid, index)
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ucid = ucid.lstrip("UC")
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ucid = ucid.lchop("UC")
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ucid = "VLUU" + ucid
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continuation = write_var_int(index)
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@ -702,6 +783,35 @@ def produce_playlist_url(ucid, index)
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return url
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end
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def produce_videos_url(ucid, page)
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page = "#{page}"
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meta = "\x12\x06videos \x00\x30\x01\x38\x01\x60\x01\x6a\x00\x7a"
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meta += page.size.to_u8.unsafe_chr
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meta += page
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meta += "\xb8\x01\x00"
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meta = Base64.urlsafe_encode(meta)
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meta = URI.escape(meta)
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continuation = "\x12"
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continuation += ucid.size.to_u8.unsafe_chr
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continuation += ucid
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continuation += "\x1a"
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continuation += meta.size.to_u8.unsafe_chr
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continuation += meta
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continuation = continuation.size.to_u8.unsafe_chr + continuation
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continuation = "\xe2\xa9\x85\xb2\x02" + continuation
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continuation = Base64.urlsafe_encode(continuation)
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continuation = URI.escape(continuation)
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url = "/browse_ajax?continuation=#{continuation}"
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return url
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end
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def read_var_int(bytes)
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numRead = 0
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result = 0
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