bookdepository.rb

require 'nokogiri'
require 'open-uri'
require 'pp'

# User provided Book Depository wishlist.
wishlist_url = 'http://www.bookdepository.com/wishlist/507838/Mauro-Pompilio'

# Fectch the wishlisted books.
def fetch_books(wishlist_url, page=1)
  doc = Nokogiri::HTML(open("#{wishlist_url}/?page=#{page}"))
  doc.xpath('//div[@class="tabModules"]/ul/li/div[@class="module bookSmall"]/a')
end

# Go through every page until there are no more wishlisted books.
page  = 0
wishlist = []
begin
  books = fetch_books(wishlist_url, page += 1)
  books.each do |book|
    wishlist << {:title => book.xpath('img/@alt').first.value,
                 :cover => book.xpath('img/@src').first.value.gsub(/small/, 'medium'),
                 :title => book.attributes['href'].value}
  end
end until books.empty?

pp wishlist