refactor: little clean

src/main/kotlin/eventDemo/adapter/interfaceLayer/query/GameCommandRouteWebSocket.kt

@@ -1,22 +1,20 @@
 package eventDemo.adapter.interfaceLayer.query
 
 import eventDemo.business.command.GameCommandHandler
+import eventDemo.business.command.command.GameCommand
 import eventDemo.business.entity.GameId
-import eventDemo.business.entity.Player
 import eventDemo.business.event.projection.projectionListener.PlayerNotificationListener
 import eventDemo.business.notification.Notification
 import eventDemo.libs.fromFrameChannel
 import eventDemo.libs.toObjectChannel
 import io.github.oshai.kotlinlogging.withLoggingContext
-import io.ktor.server.application.ApplicationCall
 import io.ktor.server.auth.authenticate
-import io.ktor.server.auth.jwt.JWTPrincipal
-import io.ktor.server.auth.principal
 import io.ktor.server.routing.Route
 import io.ktor.server.websocket.DefaultWebSocketServerSession
 import io.ktor.server.websocket.webSocket
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.channels.ReceiveChannel
 import kotlinx.coroutines.channels.SendChannel
 import kotlinx.coroutines.channels.trySendBlocking
 import kotlinx.coroutines.launch
@@ -45,7 +43,8 @@ private fun DefaultWebSocketServerSession.runWebSocket(
   commandHandler: GameCommandHandler,
   playerNotificationListener: PlayerNotificationListener,
 ) {
-  val currentPlayer = call.getPlayer()
+  val currentPlayer = call.getPlayerCredentials()
+  val incomingFrameChannel: ReceiveChannel<GameCommand> = toObjectChannel(incoming)
   val outgoingFrameChannel: SendChannel<Notification> = fromFrameChannel(outgoing)
   withLoggingContext("currentPlayer" to currentPlayer.toString()) {
     val notificationListener =
@@ -59,18 +58,10 @@ private fun DefaultWebSocketServerSession.runWebSocket(
       commandHandler.handleIncomingPlayerCommands(
         currentPlayer,
         gameId,
-        toObjectChannel(incoming),
+        incomingFrameChannel,
         outgoingFrameChannel,
       )
       notificationListener.close()
     }
   }
 }
-
-private fun ApplicationCall.getPlayer() =
-  principal<JWTPrincipal>()!!.run {
-    Player(
-      id = payload.getClaim("playerid").asString(),
-      name = payload.getClaim("username").asString(),
-    )
-  }

src/main/kotlin/eventDemo/adapter/interfaceLayer/query/GetPlayerCredentials.kt

@@ -0,0 +1,14 @@
+package eventDemo.adapter.interfaceLayer.query
+
+import eventDemo.business.entity.Player
+import io.ktor.server.application.ApplicationCall
+import io.ktor.server.auth.jwt.JWTPrincipal
+import io.ktor.server.auth.principal
+
+internal fun ApplicationCall.getPlayerCredentials() =
+  principal<JWTPrincipal>()!!.run {
+    Player(
+      id = payload.getClaim("playerid").asString(),
+      name = payload.getClaim("username").asString(),
+    )
+  }