Ruby code that crawled some social site, favoriting and commenting on postings among others

Ruby Crawler

#!/usr/bin/ruby
require 'rubygems'
require 'mechanize'

class Bubblews

  @rational = Mechanize.new { |agent|
    agent.user_agent_alias = 'Windows Mozilla'
  }

  @rational.get("http://www.bubblews.com/")

  form = @rational.page.forms[1]

  form.fields[0].value = "username"
  form.fields[1].value = "password2011"

  puts "Autologging..."
  form.submit
  @rational.cookie_jar.save_as 'cookies', :session => true, :format => :yaml


  def self.crawl
    unfollow
    crawl_trends
    @rational.page.search(".block-post").each do |t|
      begin
        crawl_home(t)

        rescue Mechanize::ResponseCodeError, Net::HTTPNotFound
          puts "An Error Occured while retrieving"
          puts "-"*80
          next
      end
    end
  end

  def self.crawl_home(post)
    block(post)
  end

  def self.crawl_trends
    @rational.page.search('.block.block-topic a').each do |piece|
      @rational.get(piece["href"])
      puts piece.at_css(".block-topic-title").text
      puts '.'*40
      @rational.page.search(".block-post").each do |t|
        begin
          block(t)

        rescue Mechanize::ResponseCodeError, Net::HTTPNotFound
          puts "An Error Occured while retrieving"
          puts "-"*80
          next
        end
      end
    end
  end

  def self.block(t)
      bubblews_post = t.at_css(".block-post-title a")
      user = t.css('.block-author-title a').text
      @rational.click(bubblews_post)
      doc = @rational.page
      doc.forms[1].submit
      title = doc.at('.post-title')
      puts "Favoriting #{title.text}"

      sleep(2)

      @rational.get(user_link)
      doc = @rational.page
      follow_button = doc.at('.btn-casual')
      if follow_button.nil?
        puts "Already followed #{user}"
      else
        @rational.click(follow_button)
        puts "Follwing #{user} ..."
      end
      
      sleep(2)

      comments = [
          "Hello there #{user}, nice post. Let us stay connected and share amazing posts.",
          "Nice post. Looking forward to more from you #{user}. Stay connected and let us bubble",
          "#{user} so cool. Guess I'm going to stick here for more of this! Let's connect",
          "Will be looking forward #{user} to more of such articles. I liked it.",
          "Maybe a daily dose of your writing #{user} is just what I need, let us stay connected.",
          "Hi #{user}, let us stay connected and share the love. Keep on bubbling",
          "#{user}, that was one informative post. Keep bubbling and share the Love.",
          "Nice piece there #{user}, I will for sure stay connected. Rock on",
          "#{user} greetings. Bubble on, keep the connection, share, rock the world!",
          "Hi #{user} great work. Keep in touch, let us stay connected. Thanks.",
          "Nice read #{user}. Will be looking forward to more of this. Stay connected :)",
          "Great work, nice read. Cheers #{user}. Stay connected, let us bubble.",
          "Thanks for sharing this post #{user}, happy bubbling and have a nice day.",
          "Loving the bubbly #{user}, very cool post, thanks for sharing :)",
          "Always a pleasure reading your articles #{user}. I will surely stick around for more. Keep in touch.",
          "Another day, another great article there #{user}! Keep up and happy sharing :)",
          "I like your article #{user}, thanks for sharing the post :)",
          "Hey #{user}, stumbled upon this interesting post while surfing my homepage. Keep it up, happy bubbling :)",
          "#{user} thanks for sharing your post. Open to more of your work. Stay connected :)",
          "Clear cut, nice post #{user}. Thanks for sharing. Bubble on! :)",
          "Exlored Bubblews world then landed on this article. Great post there #{user}.",
          "I like this article. Hey #{user} rock on, thanks for sharing :)",
          "Then I land on your post #{user} and feel like the day has been worth it",
          "Hello #{user} Well penned, great piece, bubble on, stay connected.",
          "Just in time to catch this post. #{user} I like it, thanks for sharing."
      ]
      
      @rational.click(bubblews_post)
      
      commentors = []
      @rational.page.search(".comment-author-username").each do |commentor|
        commentors << commentor.text
      end
      
      unless commentors.include? '&theareba'
        form = @rational.page.form_with(:class => "js-comment-form")
        unless ['&theareba', '&BubblewsMemberSupport', '&Arvind', '&Bubblews', '&pabzikem', '&dexterous85', '&Jason', '&Tyler', '&pcunix'].include? user
          form.fields[0].value = comments.sample
          puts "Submitting comment for #{user}'s post #{bubblews_post.text}"
          button = form.button_with(:value => "Submit")
          @rational.submit(form, button)
        end
      end
      puts "-"*80
      sleep(2)
  end

  def self.unfollow
    profile_link = @rational.page.at(".header-featured-content a").attr('href')
    @rational.get(profile_link )
    following_link = @rational.page.at(".profile-stats li~ li a").attr('href')
    @rational.get(following_link)

    @rational.page.search('.page-main , .user-row').each do |user|
      unfollow_button = user.at_css(".btn-active").attr('href')
      username = user.at_css('.user-name').text
      puts "Unfollowing #{username}"
      @rational.get(unfollow_button)
      puts "-"*80
      sleep(2)
    end
  end
end