gistfile1.rb

class SpiderController < ApplicationController
	def index
		@sites = Site.all()
		@sites.each{|site|
			uri = URI.parse(site.url)
			http = Net::HTTP.new(uri.host, uri.port)
			request = Net::HTTP::Get.new(uri.request_uri)
			request["User-Agent"] = "Status Monitor"
			response = http.request(request)
			
			last = Status.first(:order => "created_at DESC", :conditions => ["site_id = ?", site.id]);
			if !last || 1.hour.ago > last.created_at
				status = Status.new
				status.site = site
				status.status = response.code
				status.save()
			end
		}
	end
end