SerializerExample.scala

object MyResponseSerializer extends Serializer[Response] {
  val clazz = classOf[Product]

  override def deserialize(implicit formats: Formats): PartialFunction[(TypeInfo, JValue), Response] = {
    case (TypeInfo(`clazz`, _), serializedProduct) =>
      (serializedProduct \ "data") match {
        case JArray(fields) =>
          val datas = fields.map(_.extract[Data])
          Response(datas)
        
        case _ =>
          throw new RuntimeException("Response doesn't have data")
      }
  }
  
  override def serialize(implicit formats: Formats): PartialFunction[Any, JValue] = {
    case resp: Response =>
      decompose(resp)
  }
}