Scalatra Action

gistfile1.scala

  val getUserById =
    (apiOperation[User]("getUserById")
      summary "Get a user by a given ID"
      parameters pathParam[Int]("id").description("The id for the user to be retrieved"))

  get("/:id", operation(getUserById)) {
    val userID = params.getAs[Int]("id").getOrElse(halt(400))
    val userData = Users.findUserByID(userID)
    userData match {
      case Seq(u) => u
      case Seq() => halt(404)
    }
  }