feat(websocket)!: Implement WebSocket connection and event handling

knockoutwhistweb/app/logic/PodManager.scala

@@ -16,15 +16,15 @@ object PodManager {
   val TTL: Long = System.currentTimeMillis() + 86400000L // 24 hours in milliseconds
   val podIp: String = System.getenv("POD_IP")
   val podName: String = System.getenv("POD_NAME")
-  
+
   private val sessions: mutable.Map[String, GameLobby] = mutable.Map()
   private val userSession: mutable.Map[User, String] = mutable.Map()
   private val injector: Injector = Guice.createInjector(KnockOutWebConfigurationModule())
-  
+
   def createGame(
-                host: User,
-                name: String,
-                maxPlayers: Int
+                  host: User,
+                  name: String,
+                  maxPlayers: Int
                 ): GameLobby = {
     val gameLobby = GameLobby(
       logic = BaseGameLogic(injector.getInstance(classOf[Configuration])),
@@ -42,13 +42,7 @@ object PodManager {
   def getGame(gameId: String): Option[GameLobby] = {
     sessions.get(gameId)
   }
-  
-  private[logic] def removeGame(gameId: String): Unit = {
-    sessions.remove(gameId)
-    // Also remove all user sessions associated with this game
-    userSession.filterInPlace((_, v) => v != gameId)
-  }
-  
+
   def registerUserToGame(user: User, gameId: String): Boolean = {
     if (sessions.contains(gameId)) {
       userSession += (user -> gameId)
@@ -57,18 +51,23 @@ object PodManager {
       false
     }
   }
-  
+
   def unregisterUserFromGame(user: User): Unit = {
     userSession.remove(user)
   }
-  
+
   def identifyGameOfUser(user: User): Option[GameLobby] = {
     userSession.get(user) match {
       case Some(gameId) => sessions.get(gameId)
       case None => None
     }
   }
-  
-  
+
+  private[logic] def removeGame(gameId: String): Unit = {
+    sessions.remove(gameId)
+    // Also remove all user sessions associated with this game
+    userSession.filterInPlace((_, v) => v != gameId)
+  }
+
 
 }