Initial commit

app/binders/QueryBinders.scala

@@ -0,0 +1,38 @@
+package binders
+
+import java.net.URLDecoder.decode
+import java.net.URLEncoder.encode
+
+import play.api.mvc.{JavascriptLiteral, PathBindable, QueryStringBindable}
+
+object QueryBinders {
+
+  /*private def bindableSet[T](implicit seqBinder: QueryStringBindable[Seq[T]]): QueryStringBindable[Set[T]] = seqBinder.transform(
+    _.toSet,
+    _.toSeq
+  )
+
+  implicit def bindableSetOfInt(implicit seqBinder: QueryStringBindable[Seq[Int]]): QueryStringBindable[Set[Int]] = bindableSet[Int]*/
+
+  import play.api.libs.json._
+  private val formats = implicitly[Format[Map[String, Int]]]
+
+  implicit def bindableMapStringToInt: QueryStringBindable[Map[String, Int]] = {
+    QueryStringBindable.bindableString.transform(s => formats.reads(Json.parse(s)).getOrElse(Map()), map => formats.writes(map).toString())
+  }
+
+  implicit object MapStringIntJavascriptLiteral extends JavascriptLiteral[Map[String, Int]] {
+    override def to(value: Map[String, Int]): String = formats.writes(value).toString()
+  }
+
+  implicit val StringOptionPathBindable: PathBindable[Option[String]] = implicitly[PathBindable[String]].transform(
+    {
+      case "" => None
+      case x => Some(decode(x, "utf-8"))
+    },
+    _.map(encode(_, "utf-8")).getOrElse("")
+  )
+
+  //implicit def somePathBindable[T : PathBindable]: PathBindable[Some[T]] = implicitly[PathBindable[T]].transform(Some(_), _.x)
+
+}