add function subscribeToBus to GameCommandHandler

src/main/kotlin/eventDemo/business/command/GameCommandHandler.kt

@@ -27,8 +27,6 @@ class GameCommandHandler(
   private val commandStreamChannel: CommandStreamChannel<GameCommand>,
   private val eventHandler: GameEventHandler,
   private val runner: GameCommandActionRunner,
-  eventBus: GameEventBus,
-  listenerPriority: Int = DEFAULT_PRIORITY,
 ) {
   private val logger = KotlinLogging.logger { }
   private val eventCommandMap = EventCommandMap()
@@ -38,7 +36,10 @@ class GameCommandHandler(
   }
 
   // subscribe to the event bus to send success notification after save the event.
-  init {
+  fun subscribeToBus(
+    eventBus: GameEventBus,
+    listenerPriority: Int = DEFAULT_PRIORITY,
+  ) {
     eventBus.subscribe(listenerPriority) { event: GameEvent ->
       eventCommandMap[event.eventId]?.apply {
         channel.sendSuccess(commandId)()

src/main/kotlin/eventDemo/configuration/business/ConfigureGameListener.kt

@@ -2,6 +2,7 @@ package eventDemo.configuration.business
 
 import eventDemo.adapter.infrastructureLayer.event.projection.GameListRepositoryInMemory
 import eventDemo.adapter.infrastructureLayer.event.projection.GameStateRepositoryInMemory
+import eventDemo.business.command.GameCommandHandler
 import eventDemo.business.event.projection.projectionListener.ReactionListener
 import org.koin.core.Koin
 
@@ -14,4 +15,7 @@ fun Koin.configureGameListener() {
 
   get<GameListRepositoryInMemory>()
     .subscribeToBus(get(), get())
+
+  get<GameCommandHandler>()
+    .subscribeToBus(get())
 }

src/main/kotlin/eventDemo/configuration/injection/ConfigureDIBusiness.kt

@@ -10,7 +10,7 @@ import org.koin.core.module.dsl.singleOf
 
 fun Module.configureDIBusiness() {
   single {
-    GameCommandHandler(get(), get(), get(), get())
+    GameCommandHandler(get(), get(), get())
   }
   singleOf(::GameEventHandler)
   singleOf(::GameCommandActionRunner)