chimney simple usage example / published by https://github.com/dacr/code-examples-manager #ab486c41-ac65-48f0-8f19-097e16a27d83/af5c7f8c55ed2389653582f4544013c2a89cc028

chimney-basic-2.sc

// summary : chimney simple usage example
// keywords : scala, chimney, @testable
// publish : gist
// authors : chimney
// license : Apache2
// id : ab486c41-ac65-48f0-8f19-097e16a27d83
// created-on : 2023-06-23T16:20:02+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

//> using scala "3.5.1"
//> using dep "io.scalaland::chimney:1.5.0"
//> using dep com.lihaoyi::pprint::0.9.0
//> using option "-deprecation"

import io.scalaland.chimney.dsl._
import java.time.ZonedDateTime
import scala.util.Random
import pprint.*

case class MakeCoffee(id: Int, kind: String, addict: String)
case class CoffeeMade(id: Int, kind: String, forAddict: String, at: ZonedDateTime)

val command =
  MakeCoffee(
    id = Random.nextInt(),
    kind = "Espresso",
    addict = "Piotr"
  )

val eventLegacyWay =
  CoffeeMade(
    id = command.id,
    kind = command.kind,
    forAddict = command.addict,
    at = ZonedDateTime.now
  )

pprintln(eventLegacyWay)

val eventWithChimney =
  command
    .into[CoffeeMade]
    .withFieldComputed(_.at, _ => ZonedDateTime.now)
    .withFieldRenamed(_.addict, _.forAddict)
    .transform

pprintln(eventWithChimney)