com.evolutiongaming.kafka.journal.conversions.TupleToHeader.scala Maven / Gradle / Ivy

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package com.evolutiongaming.kafka.journal.conversions

import cats.syntax.all._
import com.evolutiongaming.catshelper.ApplicativeThrowable
import com.evolutiongaming.kafka.journal.{JournalError, ToBytes}
import com.evolutiongaming.skafka.Header

trait TupleToHeader[F[_]] {

  def apply(key: String, value: String): F[Header]
}

object TupleToHeader {

  implicit def apply[F[_] : ApplicativeThrowable](implicit
    stringToBytes: ToBytes[F, String],
  ): TupleToHeader[F] = {
    (key, value) =>
      val result = for {
        value <- stringToBytes(value)
      } yield {
        Header(key, value.toArray)
      }
      result.adaptErr { case e =>
        JournalError(s"TupleToHeader failed for $key:$value: $e", e)
      }
  }
}