Randomly select a cut cake from Ginza Cozy.

random_cake.rb

# 銀座コージーのカットケーキをランダムに選ぶ

require 'open-uri'
require 'nokogiri'

def cakes
  domain = 'https://www.cozycorner.co.jp/'
  url = 'https://www.cozycorner.co.jp/product/cutcake/'
  charset = nil
  html = URI.open(url) do |f|
    charset = f.charset
    f.read
  end

  doc = Nokogiri::HTML.parse(html, nil, charset)
  cakes = doc.xpath('//li').map do |node|
    description = node.css('span[@class="description"]').inner_text.gsub(/\s|\r|\n/,'')
    
    if m = description.match(/(^.*?)(\d*?)円.*?(\d*?)円/)
      cake_name = m[1]
      cake_price = m[2]
      tax_price = m[3]
    else
      next
    end
    cake_img = 'https:' + node.css('img').attribute('src').to_s
    cake_url = File.join(domain, node.css('a').attribute('href').to_s)
    {name: cake_name, price: cake_price, tax_price: tax_price, image: cake_img, url: cake_url}
  end
  cakes.compact
end

def display(cake)
  system(File.join(__dir__, 'imgcat'), '-u', cake[:image])
  puts("#{cake[:name]} ¥#{cake[:tax_price]}")
  puts(cake[:url])
end

display(cakes.sample)

# cakes.sample(3).each { |c| display(c) }