Users.scala

implicit val userWrites: Writes[User] = (
  (__ \ "lastVisit").write[Timestamp] and
  (__ \ "handle").write[String] and
  (__ \ "firstName").write[String] and
  (__ \ "lastName").write[String] and
  (__ \ "email").write[String] and
  (__ \ "rating").write[Int] and
  (__ \ "location").write[String] and
  (__ \ "shirtSize").write[String] and
  (__ \ "id").writeNullable[Long] and
  (__ \ "createdAt").writeNullable[Timestamp] and
  (__ \ "updatedAt").writeNullable[Timestamp]
)(unlift(User.unapply))

implicit val userReads: Reads[User] = (
  (__ \ "lastVisit").read[Timestamp] and
  (__ \ "handle").read[String] and
  (__ \ "firstName").read[String] and
  (__ \ "lastName").read[String] and
  (__ \ "email").read[String] and
  (__ \ "rating").read[Int] and
  (__ \ "location").read[String] and
  (__ \ "shirtSize").read[String] and
  (__ \ "id").readNullable[Long] and
  (__ \ "createdAt").readNullable[Timestamp] and
  (__ \ "updatedAt").readNullable[Timestamp]
)(User.apply _)

implicit val userFormat: Format[User] = Format(userReads, userWrites)