db.migration.V1_031__FragmentSpecificData.scala Maven / Gradle / Ivy

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package db.migration

import io.circe._
import pl.touk.nussknacker.engine.api.{FragmentSpecificData, TypeSpecificData}
import pl.touk.nussknacker.ui.db.migration.ProcessJsonMigration

trait V1_031__FragmentSpecificData extends ProcessJsonMigration {

  override def updateProcessJson(jsonProcess: Json): Option[Json] =
    V1_031__FragmentSpecificData.migrateMetadata(jsonProcess)
}

object V1_031__FragmentSpecificData {

  import io.circe.syntax._

  private[migration] def migrateMetadata(jsonProcess: Json): Option[Json] = {
    jsonProcess.hcursor
      .downField("metaData")
      .withFocus { metadata =>
        metadata.hcursor.downField("isSubprocess").focus.flatMap(_.asBoolean) match {
          case Some(true) =>
            metadata.hcursor
              .withFocus { mj =>
                mj.mapObject(_.+:("typeSpecificData", FragmentSpecificData().asInstanceOf[TypeSpecificData].asJson))
              }
              .downField("isSubprocess")
              .delete
              .focus
              .get
          case Some(false) => metadata.hcursor.downField("isSubprocess").delete.focus.get
          case _           => metadata
        }
      }
  }.top

}