75 lines
2 KiB
Crystal
75 lines
2 KiB
Crystal
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class MixVideo
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add_mapping({
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title: String,
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id: String,
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author: String,
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ucid: String,
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length_seconds: Int32,
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index: Int32,
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})
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end
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class Mix
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add_mapping({
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title: String,
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id: String,
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videos: Array(MixVideo),
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})
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end
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def fetch_mix(rdid, video_id, cookies = nil)
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client = make_client(YT_URL)
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headers = HTTP::Headers.new
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headers["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36"
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if cookies
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headers = cookies.add_request_headers(headers)
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end
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response = client.get("/watch?v=#{video_id}&list=#{rdid}&bpctr=#{Time.new.epoch + 2000}&gl=US&hl=en", headers)
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yt_data = response.body.match(/window\["ytInitialData"\] = (?<data>.*);/)
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if yt_data
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yt_data = JSON.parse(yt_data["data"].rchop(";"))
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else
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raise "Could not create mix."
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end
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playlist = yt_data["contents"]["twoColumnWatchNextResults"]["playlist"]["playlist"]
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mix_title = playlist["title"].as_s
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contents = playlist["contents"].as_a
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until contents[0]["playlistPanelVideoRenderer"]["videoId"].as_s == video_id
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contents.shift
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end
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videos = [] of MixVideo
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contents.each do |item|
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item = item["playlistPanelVideoRenderer"]
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id = item["videoId"].as_s
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title = item["title"]["simpleText"].as_s
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author = item["longBylineText"]["runs"][0]["text"].as_s
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ucid = item["longBylineText"]["runs"][0]["navigationEndpoint"]["browseEndpoint"]["browseId"].as_s
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length_seconds = decode_length_seconds(item["lengthText"]["simpleText"].as_s)
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index = item["navigationEndpoint"]["watchEndpoint"]["index"].as_i
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videos << MixVideo.new(
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title,
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id,
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author,
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ucid,
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length_seconds,
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index
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)
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end
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if !cookies
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next_page = fetch_mix(rdid, videos[-1].id, response.cookies)
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videos += next_page.videos
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end
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videos.uniq! { |video| video.id }
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videos = videos.first(50)
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return Mix.new(mix_title, rdid, videos)
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end
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