--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/progs/scala/app2.scala	Sat Oct 04 12:46:04 2014 +0100
@@ -0,0 +1,30 @@
+object Application extends Controller {
+
+  def gt_cookie(c: Cookie) : Int = c.value match {
+    case s if (s.forall(_.isDigit)) => s.toInt 
+    case _ => 0
+  }
+
+  def mk_cookie(i: Int) : Cookie = Cookie("visits", i.toString)
+  
+  // GET request: read cookie data first
+  def index = Action { request =>
+ 
+    //reads the cookie and extracts the visits counter   
+    val visits_cookie = request.cookies.get("visits")
+    val visits = visits_cookie.map(gt_cookie).getOrElse(0)
+
+    //printing a message according to value of visits counter
+    val msg = 
+      if (visits >= 10)
+        s"You are a valued customer who has visited this site $visits times."               
+      else s"You have visited this site $visits times."
+    
+    //send message with new cookie
+    Ok(msg).withCookies(mk_cookie(visits + 1))
+  }
+}
+
+
+
+