com.mchange.feedletter.Destination.scala~ Maven / Gradle / Ivy

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package com.mchange.feedletter

import com.github.plokhotnyuk.jsoniter_scala.macros.*
import com.github.plokhotnyuk.jsoniter_scala.core.*

import com.mchange.mailutil.Smtp

object Destination:
  trait Factory[+T <: Destination]:
    def fromJson( json : DestinationJson ) : T
    def tag : Tag

  object Tag:
    def apply( s : String ) : Tag = s
  opaque type Tag = String

  val Factories : Map[Tag,Factory[Destination]] =
    val allFactories : Seq[Factory[Destination]] = Email :: Mastodon :: Sms :: Nil
    allFactories.map( f => ( f.tag, f ) ).toMap

  object Email extends Factory[Email]:
    given JsonValueCodec[Email] = JsonCodecMaker.make
    def apply( address : Smtp.Address ) : Email = Email( address.email, address.displayName )
    def fromJson( json : DestinationJson ) : Email = readFromString[Email]( json.toString() )
    def tag : Tag = "Email"
  case class Email( addressPart : String, displayNamePart : Option[String] ) extends Destination:
    override val factory = Email
    def toAddress : Smtp.Address = Smtp.Address( addressPart, displayNamePart )
    lazy val json = DestinationJson( writeToString(this) )
    lazy val jsonPretty = DestinationJson( writeToString(this, WriterConfig.withIndentionStep(4)) )

  object Mastodon extends Factory[Mastodon]:
    given JsonValueCodec[Mastodon] = JsonCodecMaker.make
    def fromJson( json : DestinationJson ) : Mastodon = readFromString[Mastodon]( json.toString() )
    def tag : Tag = "Mastodon"
  case class Mastodon( name : String, instanceUrl : String ) extends Destination:
    override val factory = Mastodon
    lazy val json = DestinationJson( writeToString(this) )
    lazy val jsonPretty = DestinationJson( writeToString(this, WriterConfig.withIndentionStep(4)) )

  object Sms extends Factory[Sms]:
    given JsonValueCodec[Sms] = JsonCodecMaker.make
    def fromJson( json : DestinationJson ) : Sms = readFromString[Sms]( json.toString() )
    def tag : Tag = "Sms"
  case class Sms( number : String ) extends Destination:
    override val factory = Sms
    lazy val json = DestinationJson( writeToString(this) )
    lazy val jsonPretty = DestinationJson( writeToString(this, WriterConfig.withIndentionStep(4)) )

  def materialize( tag : Tag, json : DestinationJson ) : Destination =
    val factory = Factories.get(tag).getOrElse:
      throw new InvalidDestination(s"Tag '${tag}' unknown for $json")
    factory.fromJson( json )

sealed trait Destination extends Jsonable:
  def factory : Destination.Factory[Destination]
  def tag : Destination.Tag = factory.tag
  def json : DestinationJson
  def jsonPretty : DestinationJson