screen scraping practice with nokogiri

nokogiri_practice.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'

def wine_woot(url)
  doc = Nokogiri::HTML(open(url))
  data = doc.xpath('//*[@id="summary"]/div')
  puts doc.xpath('html/head/title').text + ' as site_name'
  puts url + data.xpath('hgroup/a/@href').to_s + ' as site_href'
  puts doc.xpath('//*[@id="todays-deal"]/a/img/@src').to_s + ' as img_src'
  puts data.at_css('h2.fn').text + ' as wine_name'
  puts data.at_css('.price').text + ' as price'
end

def cinderella_wine(url)
  doc = Nokogiri::HTML(open(url))
  puts doc.xpath('html/head/title').text.split('-').first.strip  + ' as site_name'
  puts "#{url} as site_href"
  puts doc.xpath('//*[@id="bottle-shot"]/a/img/@src').to_s + 'as img_src'
  puts doc.xpath('//*[@id="title"]/h2/a').text + ' as wine_name'
  puts doc.xpath('//*[@id="product-dollars"]').text.strip + "." + doc.xpath('//*[@id="product-cents"]').text.strip + ' as price'
end

def last_call_wines(url)
  doc = Nokogiri::HTML(open(url))
  puts doc.xpath('html/head/title').text.split('|').last.strip + ' as site_name'
  puts "#{url} as site_href"
  puts "#{doc.xpath('//*[@id="divProductPic"]/img/@src').to_s} as img_src"
  puts "#{doc.at_css('h3.ProductNameText2').text} as wine_name"
  puts "#{doc.at_css('td.SalePrice/div.price').text.strip} as price"
end

def bacchus_selections(url)
  doc = Nokogiri::HTML(open(url))
  puts doc.xpath('html/head/title').text.split('-').last.strip
  puts "#{url} as site_href"
  puts "#{url}#{doc.xpath('//*[@id="content"]/div[1]/div[2]/a/img/@src').to_s.split('?').first} as img_src"
  puts "#{doc.xpath('//*[@id="content"]/div[1]/div[1]/h2/a').text} as wine_name"
  puts "#{doc.xpath('//*[@id="content"]/div[1]/div[3]/p[1]').text.strip} as price"
end

def wine_spies(url)
  doc = Nokogiri::HTML(open(url))
  puts doc.xpath('html/head/title').text.split('-').first.strip
  puts "#{url} as site_href"
  puts "#{url}#{doc.xpath('//*[@id="wine-thumb"]/@src').to_s.split('?').first} as img_src"
  puts "#{doc.at_css('h2#wine-name').text.strip.split.join(" ")} as wine_name"
  puts "#{doc.at_css('td.our-price/div.inner').text.strip} as price"
end

url = %w{ http://www.wine.woot.com http://www.cinderellawine.com http://www.lastcallwines.com http://www.bacchusselections.com http://www.thewinespies.com http://www.cellarthief.com }

url.each do |u|
  case u
    when 'http://www.wine.woot.com'
      wine_woot u
    when 'http://www.cinderellawine.com'
      cinderella_wine u
    when 'http://www.lastcallwines.com'
      last_call_wines u
    when 'http://www.bacchusselections.com'
      bacchus_selections u
    when 'http://www.thewinespies.com'
      wine_spies u
    when 'http://www.cellarthief.com'
      cellar_thief u
  end
end