invidious-experimenting/src/invidious/trending.cr
2018-11-20 11:18:12 -06:00

42 lines
1.6 KiB
Crystal

def fetch_trending(trending_type, proxies, region)
client = make_client(YT_URL)
headers = HTTP::Headers.new
headers["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36"
region ||= "US"
region = region.upcase
trending = ""
if trending_type
trending_type = trending_type.downcase.capitalize
response = client.get("/feed/trending?gl=#{region}&hl=en", headers).body
yt_data = response.match(/window\["ytInitialData"\] = (?<data>.*);/)
if yt_data
yt_data = JSON.parse(yt_data["data"].rchop(";"))
else
raise "Could not pull trending pages."
end
tabs = yt_data["contents"]["twoColumnBrowseResultsRenderer"]["tabs"][0]["tabRenderer"]["content"]["sectionListRenderer"]["subMenu"]["channelListSubMenuRenderer"]["contents"].as_a
url = tabs.select { |tab| tab["channelListSubMenuAvatarRenderer"]["title"]["simpleText"] == trending_type }[0]?
if url
url = url["channelListSubMenuAvatarRenderer"]["navigationEndpoint"]["commandMetadata"]["webCommandMetadata"]["url"].as_s
url += "&disable_polymer=1&gl=#{region}&hl=en"
trending = client.get(url).body
else
trending = client.get("/feed/trending?gl=#{region}&hl=en&disable_polymer=1").body
end
else
trending = client.get("/feed/trending?gl=#{region}&hl=en&disable_polymer=1").body
end
trending = XML.parse_html(trending)
nodeset = trending.xpath_nodes(%q(//ul/li[@class="expanded-shelf-content-item-wrapper"]))
trending = extract_videos(nodeset)
return trending
end