generate QuickStatements for ensuring Philippine elections have correct "instance of"

philippine-elections.rb

#!/usr/bin/ruby

require 'pry'
require 'scraped'
require 'wikidata/fetcher'

INSTANCE_OF = 'P31'
PPE = 'Q7185370'
PSE = 'Q28333164'
PHE = 'Q28649370'

class AddWikidataIds < Scraped::Response::Decorator
  def body
    Nokogiri::HTML(super).tap do |doc|
      links = doc.css('#bodyContent a[href*="/wiki"][title]').reject { |a| a[:title].include? ':' }
      wdids = WikiData.ids_from_pages(language, links.map { |a| a[:title] }.uniq)
      links.each { |a| a[:wikidata] = wdids[a[:title]] }
    end.to_s
  end

  private

  def language
    URI.parse(url).hostname.split('.').first
  end
end

class ElectionTemplate < Scraped::HTML
  decorator AddWikidataIds

  field :presidential do
    table.xpath('.//th[.="Presidential elections"]/following-sibling::td//a/@wikidata').map(&:text)
  end

  field :senate do
    table.xpath('.//th[.="Senate elections"]/following-sibling::td//a/@wikidata').map(&:text)
  end

  field :house do
    table.xpath('.//th[.="House elections"]/following-sibling::td//a/@wikidata').map(&:text)
  end

  private

  def table
    noko.css('div.navbox table')
  end
end

def command(*list)
  puts list.join("\t")
end

url = 'https://en.wikipedia.org/wiki/Template:Philippine_elections'
page = ElectionTemplate.new(response: Scraped::Request.new(url: url).response)
page.presidential.each { |e| command(e, INSTANCE_OF, PPE) }
page.senate.each { |e| command(e, INSTANCE_OF, PSE) }
page.house.each { |e| command(e, INSTANCE_OF, PHE) }