EventStream.publish() can now receive vararg

src/main/kotlin/eventDemo/app/EventStream.kt

@@ -7,13 +7,17 @@ class EventStream<ID : AggregateId> {
     private val eventBus: MutableMap<ID, MutableList<Event<ID>>> = mutableMapOf()
 
     fun publish(event: Event<ID>) {
-        eventBus.getOrPut(event.aggregateId) { mutableListOf() }.add(event)
+        eventBus.getOrPut(event.id) { mutableListOf() }.add(event)
         logger.atInfo {
-            message = "Event published"
+            message = "Event published: $event"
             payload = mapOf("event" to event)
         }
     }
 
+    fun publish(vararg events: Event<ID>) {
+        events.forEach { publish(it) }
+    }
+
     fun <U : Event<ID>> read(
         aggregateId: ID,
         eventClass: Class<U>,

src/main/kotlin/eventDemo/app/Events.kt

@@ -1,10 +1,10 @@
 package eventDemo.app
 
 sealed interface Event<ID : AggregateId> {
-    val aggregateId: ID
+    val id: ID
 }
 
 data class PlayCardEvent(
-    override val aggregateId: GameId,
+    override val id: GameId,
     val card: Card,
 ) : Event<GameId>

src/main/kotlin/eventDemo/app/actions/PutCard.kt

@@ -37,7 +37,7 @@ class Game(
     }
 }
 
-fun Routing.putCard() {
+fun Routing.card() {
     val eventStream by inject<EventStream<GameId>>()
 
     post<Game.Card.PutCard> {

src/main/kotlin/eventDemo/plugins/Routing.kt

@@ -1,6 +1,6 @@
 package eventDemo.plugins
 
-import eventDemo.app.actions.putCard
+import eventDemo.app.actions.card
 import io.ktor.http.HttpStatusCode
 import io.ktor.server.application.Application
 import io.ktor.server.application.install
@@ -24,8 +24,6 @@ fun Application.configureRouting() {
     }
 
     routing {
-        putCard()
+        card()
     }
 }
-
-private typealias ConverterDeclaration = Configuration.() -> Unit

src/test/kotlin/eventDemo/app/actions/CardTest.kt

@@ -19,7 +19,7 @@ import org.koin.core.context.stopKoin
 import org.koin.ktor.ext.inject
 import kotlin.test.assertEquals
 
-class PutCardTest : FunSpec({
+class CardTest : FunSpec({
     test("/game/{id}/card") {
         testApplication {
             val client = httpClient()
@@ -48,6 +48,7 @@ class PutCardTest : FunSpec({
                 module()
                 val eventStream by inject<EventStream<GameId>>()
                 eventStream.publish(
+                    PlayCardEvent(GameId(), Card.Simple(2, Card.Color.Yellow)),
                     PlayCardEvent(id, card),
                 )
             }