/
MessageType.scala
50 lines (45 loc) · 1.49 KB
/
MessageType.scala
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package io.youi.communication
import io.circe.Decoder.Result
import io.circe.{Decoder, Encoder, HCursor, Json}
sealed trait MessageType {
def name: String
def running: Boolean
}
object MessageType {
implicit val encoder: Encoder[MessageType] = new Encoder[MessageType] {
override def apply(a: MessageType): Json = Json.fromString(a.name)
}
implicit val decoder: Decoder[MessageType] = new Decoder[MessageType] {
override def apply(c: HCursor): Result[MessageType] = {
val s = c.value.asString.getOrElse(throw new RuntimeException(s"Invalid JSON: ${c.value}"))
Right(byName(s))
}
}
case object Invoke extends MessageType {
override def name: String = "invoke"
override def running: Boolean = true
}
case object Response extends MessageType {
override def name: String = "response"
override def running: Boolean = false
}
case object UploadStart extends MessageType {
override def name: String = "uploadStart"
override def running: Boolean = true
}
case object UploadComplete extends MessageType {
override def name: String = "uploadComplete"
override def running: Boolean = false
}
case object Error extends MessageType {
override def name: String = "error"
override def running: Boolean = false
}
def byName(name: String): MessageType = name match {
case "invoke" => Invoke
case "response" => Response
case "uploadStart" => UploadStart
case "uploadComplete" => UploadComplete
case "error" => Error
}
}