text links ads, rails

gistfile1.rb

  # text links ads stuff
  # ---------------------------------------------------------------------------------------------------------------

  #controller action
  def some_action
    text_link_ads "your_id_here"
    ....
  end


  #controllers/application_controller.rb
   def text_link_ads(id)
    require 'net/http'
    require 'cgi'
    url = "http://www.text-link-ads.com/xml.php?k=#{id}&l=rails-tla-2.0.1&f=json"
    data = Rails.cache.read(id)

    if data.present?
      if data[:time] > Time.now - 6.hours
        @links = data[:links]
      else
        set_tla_cache(id,url)
        if @links.empty?
          @links = data[:links]
        end
      end
    else
      set_tla_cache(id,url)
    end
  end

  def set_tla_cache(id,url)
    links = requester(url) rescue nil
    time = links.nil? ? Time.now - 5.hours : Time.now
    Rails.cache.write id, {:time => time, :links => links}
    @links = links
  end

  def requester(url)
    ActiveSupport::JSON.decode(http_get(url))
  end

  def http_get(url)
    Net::HTTP.get_response(URI.parse(url)).body.to_s
  end


  #view/partial
  .tla
    - unless @links.nil? or @links.size.zero?
      %ul
        - @links.each do |link|
          %li
            = link['BeforeText'].empty? ? '' : "#{link['BeforeText']} "
            %a{:href => link['URL']}= link['Text']
            = link['AfterText'].empty? ? '' : " #{link['AfterText']}"