Sinatra TLA

layout.erb

	<% if @links != nil %>
		<% if (@links != nil) && (@links["Link"] != nil) %>
			<div class="adds">
				Sponsored by:
				<ul>
				<% for link in @links["Link"] %>
					<li><%= link["BeforeText"][0] %> <a href="<%= link["URL"][0] %>"><%= link["Text"][0] %></a> <%= link["AfterText"][0] %></li>
				<% end %>
				</ul>
			</div>
		<% else %>
			<!-- No ads :( -->
		<% end %>
	<% else %>
		<!--  No ads :( -->
	<% end %>

tla.rb

require 'net/http'
require 'cgi'
require 'xmlsimple'

TLA_XML_KEY = "WHATEVER"

def tla_get_ads(ref)
  url = "http://www.text-link-ads.com/xml.php?inventory_key=#{TLA_XML_KEY}&referer="+CGI::escape(ref)
  requester(url) rescue nil
end

def requester(url)
  XmlSimple.xml_in(http_get(url))
end

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

def fragment_key(name)
  return "TLA/TIME/#{name}", "TLA/DATA/#{name}"
end

yourapp.rb

require 'tla'

before do
  @links = tla_get_ads(@request.env['REQUEST_URI'])
end