gistfile1.txt

kage com.iterators.registries.types

import com.iterators.config.Unicorn.driver.simple._

sealed trait VatRate
case object VatRate23 extends VatRate
case object VatRate8 extends VatRate
case object VatRate5 extends VatRate
case object VatRate0 extends VatRate
case object VatRateEx extends VatRate //exempt - zwolniony
case object VatRateNS extends VatRate //Is Not Subject - nie podlega

object VatRate {
  def mapping: Map[VatRate, String] = Map(VatRate23 -> "23%", VatRate8 -> "8%", VatRate5 -> "5%", VatRate0 -> "0%", VatRateEx -> "zw.", VatRateNS -> "np.")
  def reverseMapping = mapping.map(_.swap)

  def apply(s: String): VatRate = {
    reverseMapping.getOrElse(s, throw new IllegalArgumentException(s"Registry state should be one of ${reverseMapping.keys.mkString(", ")}"))
  }

  def toString(vr: VatRate): String = {
    mapping.getOrElse(vr, throw new IllegalArgumentException(s"Registry state should be one of ${mapping.keys.mkString(", ")}"))
  }

  implicit val vatRate = MappedColumnType.base[VatRate, String](
    { vr => toString(vr)},
    { s => apply(s)}
  )
}