Example cookie notification

gistfile1.scala

import bootstrap.liftmodules.GoogleAnalytics
import GoogleAnalytics.dsl._

// Always track
GoogleAnalytics.init

// Provide a one-time banner, based on the absence of a cookie:
GoogleAnalytics.alertUser( only when( S.cookieValue("ckns_policy").isEmpty ) {
  import net.liftweb.http.js._
  import JE._ 
  import JsCmds._
  import net.liftweb.http.provider.HTTPCookie
  
  // Set the cookie to prevent showing this page again:
  val oneYear = 365 * 24 * 60 * 60
  S.addCookie( HTTPCookie("ckns_policy", "1").setPath("/").setMaxAge(oneYear) ) 

  // Add a div to the top of the page with some information in it:
  JsRaw("$('body').prepend('<div id=notice></div>')") &
  SetHtml("notice", <div>
      <div id="title">Cookies on our website</div>
      <div id="info">We use cookies to ensure that we give you the best experience on our website.
        If you continue without changing your settings, we'll assume that you are 
        happy to receive all cookies on the our website. 
        <a href="/cookies.html">Find out more</a> about our cookie policies. </div> 
      </div>)
  
}