Added attributed description support

pull/3701/head
techmetx11 2 years ago
parent 8a44bd11d2
commit 49ddf8b6bd
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@ -0,0 +1,81 @@
require "json"
require "uri"
def parse_command(command : JSON::Any?, string : String) : String?
on_tap = command.dig?("onTap", "innertubeCommand")
# 3rd party URL, extract original URL from YouTube tracking URL
if url_endpoint = on_tap.try &.["urlEndpoint"]?
youtube_url = URI.parse url_endpoint["url"].as_s
original_url = youtube_url.query_params["q"]?
if original_url.nil?
return ""
else
return "<a href=\"#{original_url}\">#{original_url}</a>"
end
# 1st party watch URL
elsif watch_endpoint = on_tap.try &.["watchEndpoint"]?
video_id = watch_endpoint["videoId"].as_s
time = watch_endpoint["startTimeSeconds"].as_i
url = "/watch?v=#{video_id}&t=#{time}s"
# if text is a timestamp, use the string instead
if /(?:\d{2}:){1,2}\d{2}/ =~ string
return "<a href=\"#{url}\">#{string}</a>"
else
return "<a href=\"#{url}\">#{url}</a>"
end
# hashtag/other browse URLs
elsif browse_endpoint = on_tap.try &.dig?("commandMetadata", "webCommandMetadata")
url = browse_endpoint["url"].try &.as_s
# remove unnecessary character in a channel name
if browse_endpoint["webPageType"]?.try &.as_s == "WEB_PAGE_TYPE_CHANNEL"
name = string.match(/@[\w\d]+/)
if name.try &.[0]?
return "<a href=\"#{url}\">#{name.try &.[0]}</a>"
end
end
return "<a href=\"#{url}\">#{string}</a>"
end
return "(unknown YouTube desc command)"
end
def parse_description(desc : JSON::Any?) : String?
if desc.nil?
return ""
end
content = desc["content"].as_s
if content.empty?
return ""
end
if commands = desc["commandRuns"]?.try &.as_a
description = String.build do |str|
index = 0
commands.each do |command|
start_index = command["startIndex"].as_i
length = command["length"].as_i
if start_index > 0 && start_index - index > 0
str << content[index..(start_index - 1)]
index += start_index - index
end
str << parse_command(command, content[start_index, length])
index += length
end
if index < content.size
str << content[index..content.size]
end
end
return description
end
return content
end

@ -284,8 +284,10 @@ def parse_video_info(video_id : String, player_response : Hash(String, JSON::Any
description = microformat.dig?("description", "simpleText").try &.as_s || "" description = microformat.dig?("description", "simpleText").try &.as_s || ""
short_description = player_response.dig?("videoDetails", "shortDescription") short_description = player_response.dig?("videoDetails", "shortDescription")
description_html = video_secondary_renderer.try &.dig?("description", "runs") # description_html = video_secondary_renderer.try &.dig?("description", "runs")
.try &.as_a.try { |t| content_to_comment_html(t, video_id) } # .try &.as_a.try { |t| content_to_comment_html(t, video_id) }
description_html = parse_description(video_secondary_renderer.try &.dig?("attributedDescription"))
# Video metadata # Video metadata

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