a fancy verifier

Author: namin

samples/mini-forms/app/controllers/Comments.scala

@@ -11,18 +11,24 @@ import views._
 import models._
 
 import play.api.i18n._
+import scala.js._
 import scala.jsvalidation.PlayLMS._
 
 object Comments extends Controller {
-  
   val commentForm: Form[Comment] = Form(
     mapping(
       "firstname" -> nonEmptyText,
       "lastname" -> nonEmptyText,
       "company" -> optional(text),
       "email" -> email,
       "phone" -> optional(text verifying jsPattern("""[0-9.+]+""", "constraint.phone", "A valid phone number is required")),
-      "message" -> nonEmptyText
+      "message" -> nonEmptyText.verifying(jsConstraint("constraint.nice_message", "error.nice_message") { new { def eval(c: JS) = { import c._; (msg: Rep[String]) => {
+        val words = msg.split(" ")
+        def countWords(regex: String) = words.filter(regex.r.test(_)).length
+        val hateCount = countWords("[Hh]ate|[Ss]uck")
+        val loveCount = countWords("[Ll]ove|[Rr]ock")
+        hateCount < loveCount
+     }}}})
     )(Comment.apply)(Comment.unapply)
   )
 

samples/mini-forms/conf/messages

@@ -1,3 +1,6 @@
 # Messages
 
-constraint.phone = e.g. 01.617.253.1000
+constraint.phone = e.g. 01.617.253.1000
+
+constraint.nice_message = Nice message
+error.nice_message = There must be more 'love' than 'hate'.