com.evolutiongaming.kafka.journal.PayloadMetadata.scala Maven / Gradle / Ivy

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package com.evolutiongaming.kafka.journal

import cats.{Applicative, Monad}
import cats.implicits.none
import com.evolutiongaming.kafka.journal.util.ScodecHelper.formatCodec
import play.api.libs.json.{JsValue, Json, OFormat}
import scodec.Codec

import scala.util.Try

final case class PayloadMetadata(
  expireAfter: Option[ExpireAfter] = none,
  data: Option[JsValue] = none)

object PayloadMetadata {

  val empty: PayloadMetadata = PayloadMetadata(none, none)

  implicit val formatPayloadMetadata: OFormat[PayloadMetadata] = Json.format

  implicit def metadataCodec(implicit jsonCodec: JsonCodec[Try]): Codec[PayloadMetadata] =
    formatCodec[PayloadMetadata]

  implicit def toBytesPayloadMetadata[F[_] : Applicative : JsonCodec.Encode]: ToBytes[F, PayloadMetadata] =
    ToBytes.fromWrites

  implicit def fromBytesPayloadMetadata[F[_] : Monad : FromJsResult : JsonCodec.Decode]: FromBytes[F, PayloadMetadata] =
    FromBytes.fromReads
}