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Use new youtube API to fetch channel videos (#1355)
* Use new API to fetch videos from channels This mirrors the process used by subscriptions.gir.st. The old API is tried first, and if it fails then the new one is used. * Use the new API whenever getting videos from a channel I created the get_channel_videos_response function because now instead of just getting a single url, there are extra steps involved in getting the API response for channel videos, and these steps don't need to be repeated throughout the code. The only remaining exception is the bypass_captcha function, which still only makes a request to the old API. I don't know whether this code needs to be updated to use the new API for captcha bypassing to work correctly. * Correctly determine video length with new api * Remove unnecessary line
This commit is contained in:
Ben Heller
GitHub
parent
13f58d602f
commit
4a6e920d0e
@ -213,8 +213,7 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
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page = 1
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url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated)
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response = YT_POOL.client &.get(url)
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response = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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videos = [] of SearchVideo
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begin
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@ -291,8 +290,7 @@ def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
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ids = [] of String
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loop do
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url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated)
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response = YT_POOL.client &.get(url)
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response = get_channel_videos_response(ucid, page, auto_generated: auto_generated)
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initial_data = JSON.parse(response.body).as_a.find &.["response"]?
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raise "Could not extract JSON" if !initial_data
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videos = extract_videos(initial_data.as_h, author, ucid)
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@ -396,7 +394,7 @@ def fetch_channel_playlists(ucid, author, auto_generated, continuation, sort_by)
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return items, continuation
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end
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def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "newest")
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def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "newest", v2 = false)
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object = {
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"80226972:embedded" => {
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"2:string" => ucid,
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@ -411,18 +409,33 @@ def produce_channel_videos_url(ucid, page = 1, auto_generated = nil, sort_by = "
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},
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}
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if auto_generated
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seed = Time.unix(1525757349)
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until seed >= Time.utc
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seed += 1.month
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end
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timestamp = seed - (page - 1).months
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if !v2
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if auto_generated
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seed = Time.unix(1525757349)
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until seed >= Time.utc
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seed += 1.month
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end
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timestamp = seed - (page - 1).months
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object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 0x36_i64
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object["80226972:embedded"]["3:base64"].as(Hash)["15:string"] = "#{timestamp.to_unix}"
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object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 0x36_i64
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object["80226972:embedded"]["3:base64"].as(Hash)["15:string"] = "#{timestamp.to_unix}"
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else
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object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 0_i64
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object["80226972:embedded"]["3:base64"].as(Hash)["15:string"] = "#{page}"
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end
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else
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object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 0_i64
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object["80226972:embedded"]["3:base64"].as(Hash)["15:string"] = "#{page}"
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object["80226972:embedded"]["3:base64"].as(Hash)["61:string"] = Base64.urlsafe_encode(Protodec::Any.from_json(Protodec::Any.cast_json({
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"1:embedded" => {
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"1:varint" => 6307666885028338688_i64,
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"2:embedded" => {
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"1:string" => Base64.urlsafe_encode(Protodec::Any.from_json(Protodec::Any.cast_json({
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"1:varint" => 30_i64 * (page - 1),
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}))),
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},
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},
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})))
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end
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case sort_by
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@ -901,12 +914,28 @@ def get_about_info(ucid, locale)
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})
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end
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def get_channel_videos_response(ucid, page = 1, auto_generated = nil, sort_by = "newest")
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url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated, sort_by: sort_by, v2: false)
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response = YT_POOL.client &.get(url)
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initial_data = JSON.parse(response.body).as_a.find &.["response"]?
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return response if !initial_data
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needs_v2 = initial_data
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.try &.["response"]?.try &.["alerts"]?
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.try &.as_a.any? { |alert|
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alert.try &.["alertRenderer"]?.try &.["type"]?.try { |t| t == "ERROR" }
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}
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if needs_v2
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url = produce_channel_videos_url(ucid, page, auto_generated: auto_generated, sort_by: sort_by, v2: true)
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response = YT_POOL.client &.get(url)
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end
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response
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end
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def get_60_videos(ucid, author, page, auto_generated, sort_by = "newest")
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videos = [] of SearchVideo
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2.times do |i|
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url = produce_channel_videos_url(ucid, page * 2 + (i - 1), auto_generated: auto_generated, sort_by: sort_by)
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response = YT_POOL.client &.get(url)
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response = get_channel_videos_response(ucid, page * 2 + (i - 1), auto_generated: auto_generated, sort_by: sort_by)
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initial_data = JSON.parse(response.body).as_a.find &.["response"]?
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break if !initial_data
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videos.concat extract_videos(initial_data.as_h, author, ucid)
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@ -916,8 +945,7 @@ def get_60_videos(ucid, author, page, auto_generated, sort_by = "newest")
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end
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def get_latest_videos(ucid)
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url = produce_channel_videos_url(ucid, 0)
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response = YT_POOL.client &.get(url)
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response = get_channel_videos_response(ucid, 1)
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initial_data = JSON.parse(response.body).as_a.find &.["response"]?
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return [] of SearchVideo if !initial_data
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author = initial_data["response"]?.try &.["metadata"]?.try &.["channelMetadataRenderer"]?.try &.["title"]?.try &.as_s
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@ -164,148 +164,168 @@ def extract_videos(initial_data : Hash(String, JSON::Any), author_fallback : Str
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extract_items(initial_data, author_fallback, author_id_fallback).select(&.is_a?(SearchVideo)).map(&.as(SearchVideo))
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end
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def extract_item(item : JSON::Any, author_fallback : String? = nil, author_id_fallback : String? = nil)
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if i = (item["videoRenderer"]? || item["gridVideoRenderer"]?)
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video_id = i["videoId"].as_s
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title = i["title"].try { |t| t["simpleText"]?.try &.as_s || t["runs"]?.try &.as_a.map(&.["text"].as_s).join("") } || ""
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author_info = i["ownerText"]?.try &.["runs"].as_a[0]?
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author = author_info.try &.["text"].as_s || author_fallback || ""
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author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
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published = i["publishedTimeText"]?.try &.["simpleText"]?.try { |t| decode_date(t.as_s) } || Time.local
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view_count = i["viewCountText"]?.try &.["simpleText"]?.try &.as_s.gsub(/\D+/, "").to_i64? || 0_i64
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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length_seconds = i["lengthText"]?.try &.["simpleText"]?.try &.as_s.try { |t| decode_length_seconds(t) } ||
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i["thumbnailOverlays"]?.try &.as_a.find(&.["thumbnailOverlayTimeStatusRenderer"]?).try &.["thumbnailOverlayTimeStatusRenderer"]?
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.try &.["text"]?.try &.["simpleText"]?.try &.as_s.try { |t| decode_length_seconds(t) } || 0
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live_now = false
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paid = false
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premium = false
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premiere_timestamp = i["upcomingEventData"]?.try &.["startTime"]?.try { |t| Time.unix(t.as_s.to_i64) }
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i["badges"]?.try &.as_a.each do |badge|
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b = badge["metadataBadgeRenderer"]
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case b["label"].as_s
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when "LIVE NOW"
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live_now = true
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when "New", "4K", "CC"
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# TODO
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when "Premium"
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paid = true
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# TODO: Potentially available as i["topStandaloneBadge"]["metadataBadgeRenderer"]
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premium = true
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else nil # Ignore
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end
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end
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SearchVideo.new({
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title: title,
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id: video_id,
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author: author,
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ucid: author_id,
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published: published,
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views: view_count,
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description_html: description_html,
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length_seconds: length_seconds,
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live_now: live_now,
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paid: paid,
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premium: premium,
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premiere_timestamp: premiere_timestamp,
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})
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elsif i = item["channelRenderer"]?
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author = i["title"]["simpleText"]?.try &.as_s || author_fallback || ""
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author_id = i["channelId"]?.try &.as_s || author_id_fallback || ""
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author_thumbnail = i["thumbnail"]["thumbnails"]?.try &.as_a[0]?.try { |u| "https:#{u["url"]}" } || ""
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subscriber_count = i["subscriberCountText"]?.try &.["simpleText"]?.try &.as_s.try { |s| short_text_to_number(s.split(" ")[0]) } || 0
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auto_generated = false
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auto_generated = true if !i["videoCountText"]?
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video_count = i["videoCountText"]?.try &.["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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SearchChannel.new({
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author: author,
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ucid: author_id,
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author_thumbnail: author_thumbnail,
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subscriber_count: subscriber_count,
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video_count: video_count,
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description_html: description_html,
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auto_generated: auto_generated,
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})
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elsif i = item["gridPlaylistRenderer"]?
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title = i["title"]["runs"].as_a[0]?.try &.["text"].as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCountText"]["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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playlist_thumbnail = i["thumbnail"]["thumbnails"][0]?.try &.["url"]?.try &.as_s || ""
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SearchPlaylist.new({
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title: title,
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id: plid,
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author: author_fallback || "",
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ucid: author_id_fallback || "",
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video_count: video_count,
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videos: [] of SearchPlaylistVideo,
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thumbnail: playlist_thumbnail,
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})
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elsif i = item["playlistRenderer"]?
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title = i["title"]["simpleText"]?.try &.as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCount"]?.try &.as_s.to_i || 0
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playlist_thumbnail = i["thumbnails"].as_a[0]?.try &.["thumbnails"]?.try &.as_a[0]?.try &.["url"].as_s || ""
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author_info = i["shortBylineText"]?.try &.["runs"].as_a[0]?
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author = author_info.try &.["text"].as_s || author_fallback || ""
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author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
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videos = i["videos"]?.try &.as_a.map do |v|
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v = v["childVideoRenderer"]
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v_title = v["title"]["simpleText"]?.try &.as_s || ""
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v_id = v["videoId"]?.try &.as_s || ""
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v_length_seconds = v["lengthText"]?.try &.["simpleText"]?.try { |t| decode_length_seconds(t.as_s) } || 0
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SearchPlaylistVideo.new({
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title: v_title,
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id: v_id,
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length_seconds: v_length_seconds,
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})
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end || [] of SearchPlaylistVideo
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# TODO: i["publishedTimeText"]?
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SearchPlaylist.new({
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title: title,
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id: plid,
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author: author,
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ucid: author_id,
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video_count: video_count,
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videos: videos,
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thumbnail: playlist_thumbnail,
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})
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elsif i = item["radioRenderer"]? # Mix
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# TODO
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elsif i = item["showRenderer"]? # Show
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# TODO
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elsif i = item["shelfRenderer"]?
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elsif i = item["horizontalCardListRenderer"]?
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elsif i = item["searchPyvRenderer"]? # Ad
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end
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end
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def extract_items(initial_data : Hash(String, JSON::Any), author_fallback : String? = nil, author_id_fallback : String? = nil)
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items = [] of SearchItem
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initial_data.try { |t| t["contents"]? || t["response"]? }
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.try { |t| t["twoColumnBrowseResultsRenderer"]?.try &.["tabs"].as_a.select(&.["tabRenderer"]?.try &.["selected"].as_bool)[0]?.try &.["tabRenderer"]["content"] ||
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t["twoColumnSearchResultsRenderer"]?.try &.["primaryContents"] ||
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t["continuationContents"]? }
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.try { |t| t["sectionListRenderer"]? || t["sectionListContinuation"]? }
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.try &.["contents"].as_a
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.each { |c| c.try &.["itemSectionRenderer"]?.try &.["contents"].as_a
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.try { |t| t[0]?.try &.["shelfRenderer"]?.try &.["content"]["expandedShelfContentsRenderer"]?.try &.["items"].as_a ||
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t[0]?.try &.["gridRenderer"]?.try &.["items"].as_a || t }
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.each { |item|
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if i = item["videoRenderer"]?
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video_id = i["videoId"].as_s
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title = i["title"].try { |t| t["simpleText"]?.try &.as_s || t["runs"]?.try &.as_a.map(&.["text"].as_s).join("") } || ""
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channel_v2_response = initial_data
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.try &.["response"]?
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.try &.["continuationContents"]?
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.try &.["gridContinuation"]?
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.try &.["items"]?
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author_info = i["ownerText"]?.try &.["runs"].as_a[0]?
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author = author_info.try &.["text"].as_s || author_fallback || ""
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author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
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published = i["publishedTimeText"]?.try &.["simpleText"]?.try { |t| decode_date(t.as_s) } || Time.local
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view_count = i["viewCountText"]?.try &.["simpleText"]?.try &.as_s.gsub(/\D+/, "").to_i64? || 0_i64
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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length_seconds = i["lengthText"]?.try &.["simpleText"]?.try &.as_s.try { |t| decode_length_seconds(t) } || 0
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live_now = false
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paid = false
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premium = false
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premiere_timestamp = i["upcomingEventData"]?.try &.["startTime"]?.try { |t| Time.unix(t.as_s.to_i64) }
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i["badges"]?.try &.as_a.each do |badge|
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b = badge["metadataBadgeRenderer"]
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case b["label"].as_s
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when "LIVE NOW"
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live_now = true
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when "New", "4K", "CC"
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# TODO
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when "Premium"
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paid = true
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# TODO: Potentially available as i["topStandaloneBadge"]["metadataBadgeRenderer"]
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premium = true
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else nil # Ignore
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end
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end
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items << SearchVideo.new({
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title: title,
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id: video_id,
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author: author,
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ucid: author_id,
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published: published,
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views: view_count,
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description_html: description_html,
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length_seconds: length_seconds,
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live_now: live_now,
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paid: paid,
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premium: premium,
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premiere_timestamp: premiere_timestamp,
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})
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elsif i = item["channelRenderer"]?
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author = i["title"]["simpleText"]?.try &.as_s || author_fallback || ""
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author_id = i["channelId"]?.try &.as_s || author_id_fallback || ""
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author_thumbnail = i["thumbnail"]["thumbnails"]?.try &.as_a[0]?.try { |u| "https:#{u["url"]}" } || ""
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subscriber_count = i["subscriberCountText"]?.try &.["simpleText"]?.try &.as_s.try { |s| short_text_to_number(s.split(" ")[0]) } || 0
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auto_generated = false
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auto_generated = true if !i["videoCountText"]?
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video_count = i["videoCountText"]?.try &.["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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description_html = i["descriptionSnippet"]?.try { |t| parse_content(t) } || ""
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items << SearchChannel.new({
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author: author,
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ucid: author_id,
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author_thumbnail: author_thumbnail,
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subscriber_count: subscriber_count,
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video_count: video_count,
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description_html: description_html,
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auto_generated: auto_generated,
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})
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elsif i = item["gridPlaylistRenderer"]?
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title = i["title"]["runs"].as_a[0]?.try &.["text"].as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCountText"]["runs"].as_a[0]?.try &.["text"].as_s.gsub(/\D/, "").to_i || 0
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playlist_thumbnail = i["thumbnail"]["thumbnails"][0]?.try &.["url"]?.try &.as_s || ""
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items << SearchPlaylist.new({
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title: title,
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id: plid,
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author: author_fallback || "",
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ucid: author_id_fallback || "",
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video_count: video_count,
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videos: [] of SearchPlaylistVideo,
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thumbnail: playlist_thumbnail,
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})
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elsif i = item["playlistRenderer"]?
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title = i["title"]["simpleText"]?.try &.as_s || ""
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plid = i["playlistId"]?.try &.as_s || ""
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video_count = i["videoCount"]?.try &.as_s.to_i || 0
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playlist_thumbnail = i["thumbnails"].as_a[0]?.try &.["thumbnails"]?.try &.as_a[0]?.try &.["url"].as_s || ""
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|
||||
author_info = i["shortBylineText"]?.try &.["runs"].as_a[0]?
|
||||
author = author_info.try &.["text"].as_s || author_fallback || ""
|
||||
author_id = author_info.try &.["navigationEndpoint"]?.try &.["browseEndpoint"]["browseId"].as_s || author_id_fallback || ""
|
||||
|
||||
videos = i["videos"]?.try &.as_a.map do |v|
|
||||
v = v["childVideoRenderer"]
|
||||
v_title = v["title"]["simpleText"]?.try &.as_s || ""
|
||||
v_id = v["videoId"]?.try &.as_s || ""
|
||||
v_length_seconds = v["lengthText"]?.try &.["simpleText"]?.try { |t| decode_length_seconds(t.as_s) } || 0
|
||||
SearchPlaylistVideo.new({
|
||||
title: v_title,
|
||||
id: v_id,
|
||||
length_seconds: v_length_seconds,
|
||||
})
|
||||
end || [] of SearchPlaylistVideo
|
||||
|
||||
# TODO: i["publishedTimeText"]?
|
||||
|
||||
items << SearchPlaylist.new({
|
||||
title: title,
|
||||
id: plid,
|
||||
author: author,
|
||||
ucid: author_id,
|
||||
video_count: video_count,
|
||||
videos: videos,
|
||||
thumbnail: playlist_thumbnail,
|
||||
})
|
||||
elsif i = item["radioRenderer"]? # Mix
|
||||
# TODO
|
||||
elsif i = item["showRenderer"]? # Show
|
||||
# TODO
|
||||
elsif i = item["shelfRenderer"]?
|
||||
elsif i = item["horizontalCardListRenderer"]?
|
||||
elsif i = item["searchPyvRenderer"]? # Ad
|
||||
end
|
||||
} }
|
||||
if channel_v2_response
|
||||
channel_v2_response.try &.as_a.each { |item|
|
||||
extract_item(item, author_fallback, author_id_fallback)
|
||||
.try { |t| items << t }
|
||||
}
|
||||
else
|
||||
initial_data.try { |t| t["contents"]? || t["response"]? }
|
||||
.try { |t| t["twoColumnBrowseResultsRenderer"]?.try &.["tabs"].as_a.select(&.["tabRenderer"]?.try &.["selected"].as_bool)[0]?.try &.["tabRenderer"]["content"] ||
|
||||
t["twoColumnSearchResultsRenderer"]?.try &.["primaryContents"] ||
|
||||
t["continuationContents"]? }
|
||||
.try { |t| t["sectionListRenderer"]? || t["sectionListContinuation"]? }
|
||||
.try &.["contents"].as_a
|
||||
.each { |c| c.try &.["itemSectionRenderer"]?.try &.["contents"].as_a
|
||||
.try { |t| t[0]?.try &.["shelfRenderer"]?.try &.["content"]["expandedShelfContentsRenderer"]?.try &.["items"].as_a ||
|
||||
t[0]?.try &.["gridRenderer"]?.try &.["items"].as_a || t }
|
||||
.each { |item|
|
||||
extract_item(item, author_fallback, author_id_fallback)
|
||||
.try { |t| items << t }
|
||||
} }
|
||||
end
|
||||
|
||||
items
|
||||
end
|
||||
|
||||
Loading…
Reference in New Issue
Block a user