jsvaluepimp.scala

implicit class JsObjectPimp(msg: JsObject) {
    private def fieldOf[T: Reads](f: JsObject => JsLookupResult): T = f(msg).asOpt[T].value

    // @TODO: Return a RequestId instead of a plain String
    def requestId: String = fieldOf[String](_ \ "id")

    def conversationId: String = fieldOf[String](_ \ "data" \ "conversation_id")

    def messageType: String = fieldOf[String](_ \ "type")

    def sequenceNumber: Int = fieldOf[Int](_ \ "data" \ "seq")

    // @TODO think its not needed
    def interlocutor: String = fieldOf[String](_ \ "data" \ "interlocutor_id")

    // @TODO think its not needed
    def errorMessages: List[String] = fieldOf[List[String]](_ \ "data" \ "messages")

    def messageId: String = fieldOf[String](_ \ "data" \ "message_id")

    def messageText: String = fieldOf[String](_ \ "data" \ "text")

    def data: JsValue = (msg \ "data").get

    def sentAt: Int = fieldOf[Int](_ \ "data" \ "sent_at")

    def ackedId: String = fieldOf[String](_ \ "acked_id")

    def ackedType: String = fieldOf[String](_ \ "acked_type")
  }