amazon.rb

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

class Amazon
	class Book
		attr_accessor :title, :author, :amazon_id, :img
		
		def initialize(url)
			url =~ /\/(\d+)\//
			@amazon_id = $1
			doc = Nokogiri::HTML(open(url))
			doc.css('title').first.content =~ /(.+):[^:]+:(.+):[^:]+$/
			@title = $1.strip
			@author = $2.strip
			@img = doc.css('table.productImageGrid img#prodImage').first['src']
		end
		
		def embed_code(show_titles=false)
			if !show_titles
				return "<a href=\"http://www.amazon.co.uk/gp/product/#{@amazon_id}/\"><img title=\"#{@author}: #{@title}\" src=\"#{@img}\"/></a>"
			else
				return "<a href=\"http://www.amazon.co.uk/gp/product/#{@amazon_id}/\"><img src=\"#{@img}\"/></a><br/><strong>#{@author}</strong>: <em>#{@title}</em>"
			end
		end
	end
end