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Clean up channel feed
This commit is contained in:
Omar Roth
parent
9fbab6125a
commit
09d4d46fcd
3 changed files with 108 additions and 77 deletions
105
src/invidious.cr
105
src/invidious.cr
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@ -1279,33 +1279,31 @@ get "/feed/channel/:ucid" do |env|
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ucid = env.params.url["ucid"]
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client = make_client(YT_URL)
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if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
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rss = client.get("/feeds/videos.xml?user=#{ucid}").body
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rss = XML.parse_html(rss)
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if !ucid.match(/UC[a-zA-Z0-9_-]{22}/)
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rss = client.get("/feeds/videos.xml?user=#{ucid}")
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rss = XML.parse_html(rss.body)
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ucid = rss.xpath_node("//feed/channelid")
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if ucid
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ucid = ucid.content
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else
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env.response.content_type = "application/json"
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next {"error" => "User does not exist"}.to_json
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if !ucid
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error_message = "User does not exist."
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halt env, status_code: 404, response: error_message
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end
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next env.redirect "/channel/#{ucid}"
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end
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url = produce_videos_url(ucid)
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response = client.get(url)
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response = JSON.parse(response.body)
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if !response["content_html"]?
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error_message = "This channel does not exist."
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halt env, status_code: 404, response: error_message
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end
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content_html = response["content_html"].as_s
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document = XML.parse_html(content_html)
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channel = get_channel(ucid, client, PG_DB, pull_all_videos: false)
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json = JSON.parse(response.body)
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if !json["content_html"]? || json["content_html"].as_s.empty?
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error_message = "This channel does not exist or has no videos."
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next templated "error"
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end
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content_html = json["content_html"].as_s
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document = XML.parse_html(content_html)
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host_url = make_host_url(Kemal.config.ssl || CONFIG.https_only, env.request.headers["Host"]?)
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path = env.request.path
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@ -1323,77 +1321,30 @@ get "/feed/channel/:ucid" do |env|
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xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
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end
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document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |node|
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anchor = node.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a))
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if !anchor
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next
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end
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if anchor["href"].starts_with? "https://www.googleadservices.com"
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next
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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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metadata = node.xpath_nodes(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li))
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if metadata.size == 0
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next
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elsif metadata.size == 1
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view_count = metadata[0].content.split(" ")[0].delete(",").to_i64
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published = Time.now
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else
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published = decode_date(metadata[0].content)
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view_count = metadata[1].content.split(" ")[0]
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if view_count == "No"
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view_count = 0_i64
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else
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view_count = view_count.delete(",").to_i64
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end
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end
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description_html = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
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if !description_html
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description = ""
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description_html = ""
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else
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description_html = description_html.to_s
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description = description_html.gsub("<br>", "\n")
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description = description.gsub("<br/>", "\n")
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description = XML.parse_html(description).content.strip("\n ")
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end
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length_seconds = node.xpath_node(%q(.//span[@class="video-time"]))
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if length_seconds
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length_seconds = decode_length_seconds(length_seconds.content)
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else
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length_seconds = -1
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end
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extract_channel_videos(document, channel.author, ucid).each do |video|
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xml.element("entry") do
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xml.element("id") { xml.text "yt:video:#{video_id}" }
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xml.element("yt:videoId") { xml.text video_id }
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xml.element("id") { xml.text "yt:video:#{video.id}" }
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xml.element("yt:videoId") { xml.text video.id }
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xml.element("yt:channelId") { xml.text ucid }
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xml.element("title") { xml.text title }
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xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video_id}")
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xml.element("title") { xml.text video.title }
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xml.element("link", rel: "alternate", href: "#{host_url}/watch?v=#{video.id}")
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xml.element("author") do
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xml.element("name") { xml.text channel.author }
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xml.element("uri") { xml.text "#{host_url}/channel/#{ucid}" }
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end
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xml.element("published") { xml.text published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
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xml.element("published") { xml.text video.published.to_s("%Y-%m-%dT%H:%M:%S%:z") }
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xml.element("media:group") do
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xml.element("media:title") { xml.text title }
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xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video_id}/hqdefault.jpg",
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width: "480", height: "360")
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xml.element("media:description") { xml.text description }
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xml.element("media:title") { xml.text video.title }
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xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg",
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width: "320", height: "180")
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xml.element("media:description") { xml.text video.description }
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end
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xml.element("media:community") do
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xml.element("media:statistics", views: view_count)
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xml.element("media:statistics", views: video.views)
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end
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end
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end
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@ -1492,8 +1443,8 @@ get "/feed/private" do |env|
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xml.element("media:group") do
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xml.element("media:title") { xml.text video.title }
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xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/hqdefault.jpg",
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width: "480", height: "360")
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xml.element("media:thumbnail", url: "https://i.ytimg.com/vi/#{video.id}/mqdefault.jpg",
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width: "320", height: "180")
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end
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end
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end
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@ -130,3 +130,69 @@ def fetch_channel(ucid, client, db, pull_all_videos = true)
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return channel
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end
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def extract_channel_videos(document, author, ucid)
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channel_videos = [] of Video
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document.xpath_nodes(%q(//li[contains(@class, "feed-item-container")])).each do |node|
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anchor = node.xpath_node(%q(.//h3[contains(@class,"yt-lockup-title")]/a))
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if !anchor
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next
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end
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if anchor["href"].starts_with? "https://www.googleadservices.com"
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next
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end
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title = anchor.content.strip
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id = anchor["href"].lchop("/watch?v=")
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metadata = node.xpath_nodes(%q(.//div[contains(@class,"yt-lockup-meta")]/ul/li))
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if metadata.size == 0
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next
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elsif metadata.size == 1
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view_count = metadata[0].content.split(" ")[0].delete(",").to_i64
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published = Time.now
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else
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published = decode_date(metadata[0].content)
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view_count = metadata[1].content.split(" ")[0]
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if view_count == "No"
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view_count = 0_i64
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else
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view_count = view_count.delete(",").to_i64
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end
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end
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description_html = node.xpath_node(%q(.//div[contains(@class, "yt-lockup-description")]))
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description = description_html_to_description(description_html)
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length_seconds = node.xpath_node(%q(.//span[@class="video-time"]))
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if length_seconds
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length_seconds = decode_length_seconds(length_seconds.content)
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else
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length_seconds = -1
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end
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info = HTTP::Params.parse("length_seconds=#{length_seconds}")
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channel_videos << Video.new(
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id,
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info,
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Time.now,
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title,
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view_count,
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0, # Like count
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0, # Dislike count
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0.0, # Wilson score
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published,
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description,
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"", # Language,
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author,
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ucid,
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[] of String, # Allowed regions
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true, # Is family friendly
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"" # Genre
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)
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end
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return channel_videos
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end
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@ -272,3 +272,17 @@ def generate_captcha(key)
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return {challenge: challenge, token: token}
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end
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def description_html_to_description(description_html)
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if !description_html
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description = ""
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description_html = ""
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else
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description_html = description_html.to_s
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description = description_html.gsub("<br>", "\n")
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description = description.gsub("<br/>", "\n")
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description = XML.parse_html(description).content.strip("\n ")
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end
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return description
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end
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