List GOV.UK content slugs by section

gistfile1.rb

require 'json'
require 'open-uri'
require 'cgi'

def subsection_uris
  uri = URI.parse("https://contentapi.production.alphagov.co.uk/tags.json?type=section")
  json = JSON.parse(uri.open.read)
  subsections = json["results"].select do |section_tag|
    ! section_tag["parent"].nil?
  end
  subsections.map do |subsection|
    subsection["content_with_tag"]["id"]
  end
end

subsection_uris.each do |subsection_uri|
  begin
    uri = URI.parse(subsection_uri)
    f = uri.open
    json = JSON.parse(f.read)
    artefact_slugs = json["results"].map do |artefact|
      artefact["web_url"].split("/")[-1]
    end
    puts ([CGI.unescape(subsection_uri.split("tag=")[-1])] + artefact_slugs).join(",")
  rescue OpenURI::HTTPError => e
    puts "Encountered #{e.message} for #{uri}"
  end
end