Mappings

case class Foo(value: String)

object Foo extends (String => Foo) {

 private val mapping = Mappings.map[String, Foo](Foo, _.value)

 implicit val jsonFormat = mapping.jsonReads

 implicit val pathBindable = mapping.pathBindable

 implicit val queryStringBindable = mapping.queryStringBindable

}

case class Bar(value: String) {
 require(value.nonEmpty)
}

object Bar {

 private val mapping = Mappings.mapTry[String, Foo](s => Try(Foo(s)), _.value)

 implicit val jsonFormat = mapping.jsonReads

 implicit val pathBindable = mapping.pathBindable

 implicit val queryStringBindable = mapping.queryStringBindable

}

sealed trait Base
case object Thing1 extends Base
case object Thing2 extends Base

object Base {

 private val mapping = Mappings.mapEnum(Thing1, Thing2)

 def fromString(name: String): Option[Base] = mapping.fromString(name)

 implicit val jsonFormat = mapping.jsonReads

 implicit val pathBindable = mapping.pathBindable

 implicit val queryStringBindable = mapping.queryStringBindable

}