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@ -17,6 +17,7 @@ private ITEM_PARSERS = {
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Parsers::PlaylistRendererParser,
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Parsers::CategoryRendererParser,
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Parsers::RichItemRendererParser,
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Parsers::ReelItemRendererParser,
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}
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record AuthorFallback, name : String, id : String
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@ -369,7 +370,7 @@ private module Parsers
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end
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# Parses an InnerTube richItemRenderer into a SearchVideo.
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# Returns nil when the given object isn't a shelfRenderer
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# Returns nil when the given object isn't a RichItemRenderer
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#
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# A richItemRenderer seems to be a simple wrapper for a videoRenderer, used
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# by the result page for hashtags. It is located inside a continuationItems
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@ -390,6 +391,90 @@ private module Parsers
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return {{@type.name}}
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end
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end
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# Parses an InnerTube reelItemRenderer into a SearchVideo.
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# Returns nil when the given object isn't a reelItemRenderer
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#
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# reelItemRenderer items are used in the new (2022) channel layout,
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# in the "shorts" tab.
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#
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module ReelItemRendererParser
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def self.process(item : JSON::Any, author_fallback : AuthorFallback)
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if item_contents = item["reelItemRenderer"]?
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return self.parse(item_contents, author_fallback)
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end
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end
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private def self.parse(item_contents, author_fallback)
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video_id = item_contents["videoId"].as_s
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video_details_container = item_contents.dig(
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"navigationEndpoint", "reelWatchEndpoint",
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"overlay", "reelPlayerOverlayRenderer",
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"reelPlayerHeaderSupportedRenderers",
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"reelPlayerHeaderRenderer"
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)
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# Author infos
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author = video_details_container
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.dig?("channelTitleText", "runs", 0, "text")
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.try &.as_s || author_fallback.name
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ucid = video_details_container
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.dig?("channelNavigationEndpoint", "browseEndpoint", "browseId")
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.try &.as_s || author_fallback.id
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# Title & publication date
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title = video_details_container.dig?("reelTitleText")
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.try { |t| extract_text(t) } || ""
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published = video_details_container
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.dig?("timestampText", "simpleText")
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.try { |t| decode_date(t.as_s) } || Time.utc
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# View count
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view_count_text = video_details_container.dig?("viewCountText", "simpleText")
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view_count_text ||= video_details_container
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.dig?("viewCountText", "accessibility", "accessibilityData", "label")
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view_count = view_count_text.try &.as_s.gsub(/\D+/, "").to_i64? || 0_i64
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# Duration
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a11y_data = item_contents
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.dig?("accessibility", "accessibilityData", "label")
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.try &.as_s || ""
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regex_match = /- (?<min>\d+ minutes? )?(?<sec>\d+ seconds?)+ -/.match(a11y_data)
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minutes = regex_match.try &.["min"].to_i(strict: false) || 0
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seconds = regex_match.try &.["sec"].to_i(strict: false) || 0
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duration = (minutes*60 + seconds)
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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: ucid,
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published: published,
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views: view_count,
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description_html: "",
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length_seconds: duration,
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live_now: false,
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premium: false,
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premiere_timestamp: Time.unix(0),
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author_verified: false,
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})
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end
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def self.parser_name
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return {{@type.name}}
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end
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end
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end
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# The following are the extractors for extracting an array of items from
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@ -436,7 +521,18 @@ private module Extractors
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content = extract_selected_tab(target["tabs"])["content"]
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if section_list_contents = content.dig?("sectionListRenderer", "contents")
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section_list_contents.as_a.each do |renderer_container|
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raw_items = unpack_section_list(section_list_contents)
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elsif rich_grid_contents = content.dig?("richGridRenderer", "contents")
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raw_items = rich_grid_contents.as_a
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end
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return raw_items
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end
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private def self.unpack_section_list(contents)
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raw_items = [] of JSON::Any
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contents.as_a.each do |renderer_container|
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renderer_container_contents = renderer_container["itemSectionRenderer"]["contents"][0]
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# Category extraction
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@ -452,7 +548,6 @@ private module Extractors
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raw_items << item
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end
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end
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end
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return raw_items
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end
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@ -525,14 +620,11 @@ private module Extractors
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end
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private def self.extract(target)
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raw_items = [] of JSON::Any
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if content = target["gridContinuation"]?
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raw_items = content["items"].as_a
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elsif content = target["continuationItems"]?
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raw_items = content.as_a
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end
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content = target["continuationItems"]?
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content ||= target.dig?("gridContinuation", "items")
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content ||= target.dig?("richGridContinuation", "contents")
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return raw_items
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return content.nil? ? [] of JSON::Any : content.as_a
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end
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def self.extractor_name
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Samantaz Fox
2 years ago