programs/Application2.scala
changeset 198 2ce98ee39990
parent 197 9c968d0de9a0
child 199 20af800ce736
--- a/programs/Application2.scala	Sat Oct 04 12:46:04 2014 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-package controllers
-
-import play.api._
-import play.api.mvc._
-import play.api.data._
-import play.api.data.Forms._
-
-/*
- * Application sets a cookie in plain ASCII on the
- * clients browser recording the visits of a page.
- */
-
-object Application extends Controller {
-
-  //no or invalid cookie results in the counter being 0
-  def gt_cookie(c: Option[Cookie]) : Int = c.map(_.value) match {
-    case Some(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 = gt_cookie(visits_cookie)
-
-    //printing a message according to value of visits counter
-    val msg1 = "You are a valued customer who has visited this site %d times."               
-    val msg2 = "You have visited this site %d times."
-    val msg = 
-      if (visits >= 10) msg1.format(visits) else msg2.format(visits)
-    
-    //send message with new cookie
-    Ok(msg).as(HTML).withCookies(mk_cookie(visits + 1))
-  }
-}
-
-
-
-