tethys.derivation.builder.ReaderDescription.scala Maven / Gradle / Ivy

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package tethys.derivation.builder

case class ReaderDerivationConfig(fieldStyle: Option[FieldStyle],
                                  isStrict: Boolean) {
  def withFieldStyle(fieldStyle: FieldStyle): ReaderDerivationConfig = this.copy(fieldStyle = Some(fieldStyle))
  def strict: ReaderDerivationConfig = this.copy(isStrict = true)
}

object ReaderDerivationConfig {
  def empty: ReaderDerivationConfig = ReaderDerivationConfig(
    fieldStyle = None,
    isStrict = false
  )
  def withFieldStyle(fieldStyle: FieldStyle): ReaderDerivationConfig = empty.withFieldStyle(fieldStyle)
  def strict: ReaderDerivationConfig = empty.strict
}

case class ReaderDescription[A](config: ReaderDerivationConfig, operations: Seq[ReaderDescription.BuilderOperation])

object ReaderDescription {
  sealed trait Field[A]
  object Field {
    final case class ClassField[A](name: String) extends Field[A]
    final case class RawField[A](name: String) extends Field[A]
  }


  sealed trait BuilderOperation

  object BuilderOperation {
    final case class ExtractFieldAs[B, C](field: String, fun: B => C) extends BuilderOperation
    final case class ExtractFieldValue(field: String, from: Seq[Field[?]], fun: Any) extends BuilderOperation
    final case class ExtractFieldReader(field: String, from: Seq[Field[?]], fun: Any) extends BuilderOperation
  }
}