123 lines
3.2 KiB
Crystal
123 lines
3.2 KiB
Crystal
struct MixVideo
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db_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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rdid: String,
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})
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end
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struct Mix
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db_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, locale = 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}&gl=US&hl=en&has_verified=1&bpctr=9999999999", 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 translate(locale, "Could not create mix.")
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end
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if !yt_data["contents"]["twoColumnWatchNextResults"]["playlist"]?
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raise translate(locale, "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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if contents.map { |video| video["playlistPanelVideoRenderer"]["videoId"] }.includes? video_id
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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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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"]?.try &.["simpleText"].as_s
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if !title
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next
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end
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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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rdid
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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, locale)
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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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def template_mix(mix)
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html = <<-END_HTML
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<h3>
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<a href="/mix?list=#{mix["mixId"]}">
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#{mix["title"]}
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</a>
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</h3>
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<div class="pure-menu pure-menu-scrollable playlist-restricted">
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<ol class="pure-menu-list">
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END_HTML
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mix["videos"].as_a.each do |video|
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html += <<-END_HTML
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<li class="pure-menu-item">
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<a href="/watch?v=#{video["videoId"]}&list=#{mix["mixId"]}">
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<div class="thumbnail">
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<img class="thumbnail" src="/vi/#{video["videoId"]}/mqdefault.jpg">
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<p class="length">#{recode_length_seconds(video["lengthSeconds"].as_i)}</p>
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</div>
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<p style="width:100%">#{video["title"]}</p>
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<p>
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<b style="width:100%">#{video["author"]}</b>
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</p>
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</a>
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</li>
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END_HTML
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end
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html += <<-END_HTML
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</ol>
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</div>
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<hr>
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END_HTML
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html
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end
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