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

knockoutwhistweb/app/model/sessions/InteractionType.scala

@@ -1,7 +1,7 @@
 package model.sessions
 
 enum InteractionType {
-  
+
   case TrumpSuit
   case Card
   case DogCard

knockoutwhistweb/app/model/sessions/PlayerSession.scala

@@ -5,9 +5,11 @@ import de.knockoutwhist.utils.events.SimpleEvent
 import java.util.UUID
 
 trait PlayerSession {
-  
+
   def id: UUID
+
   def name: String
+
   def updatePlayer(event: SimpleEvent): Unit
-  
+
 }

knockoutwhistweb/app/model/sessions/SimpleSession.scala

@@ -6,9 +6,9 @@ import de.knockoutwhist.utils.events.SimpleEvent
 import java.util.UUID
 
 case class SimpleSession(id: UUID, player: AbstractPlayer) extends PlayerSession {
-  
+
   def name: String = player.name
-  
+
   override def updatePlayer(event: SimpleEvent): Unit = {
   }
 }

knockoutwhistweb/app/model/sessions/UserSession.scala

@@ -4,18 +4,16 @@ import de.knockoutwhist.events.player.{RequestCardEvent, RequestTieChoiceEvent,
 import de.knockoutwhist.utils.events.SimpleEvent
 import logic.game.GameLobby
 import model.users.User
-import org.apache.pekko.actor.{Actor, ActorRef}
-import play.api.libs.json.{JsObject, JsValue, Json}
-import util.WebsocketEventMapper
+import play.api.libs.json.JsObject
 
 import java.util.UUID
 import java.util.concurrent.locks.ReentrantLock
-import scala.util.{Failure, Success, Try}
+import scala.util.Try
 
 class UserSession(val user: User, val host: Boolean, val gameLobby: GameLobby) extends PlayerSession {
+  val lock: ReentrantLock = ReentrantLock()
   var canInteract: Option[InteractionType] = None
   var websocketActor: Option[UserWebsocketActor] = None
-  val lock: ReentrantLock = ReentrantLock()
 
   override def updatePlayer(event: SimpleEvent): Unit = {
     event match {
@@ -33,7 +31,7 @@ class UserSession(val user: User, val host: Boolean, val gameLobby: GameLobby) e
   override def id: UUID = user.id
 
   override def name: String = user.name
-  
+
   def resetCanInteract(): Unit = {
     canInteract = None
   }
@@ -49,5 +47,5 @@ class UserSession(val user: User, val host: Boolean, val gameLobby: GameLobby) e
     }
     lock.unlock()
   }
-  
+
 }

knockoutwhistweb/app/model/sessions/UserWebsocketActor.scala

@@ -37,15 +37,6 @@ class UserWebsocketActor(
     case other =>
   }
 
-  def transmitEventToClient(event: SimpleEvent): Unit = {
-    val jsonString = WebsocketEventMapper.toJsonString(event)
-    out ! jsonString
-  }
-
-  private def transmitJsonToClient(jsonObj: JsObject): Unit = {
-    out ! jsonObj.toString()
-  }
-
   private def transmitTextToClient(text: String): Unit = {
     out ! text
   }
@@ -91,4 +82,13 @@ class UserWebsocketActor(
     }
   }
 
+  def transmitJsonToClient(jsonObj: JsObject): Unit = {
+    out ! jsonObj.toString()
+  }
+
+  def transmitEventToClient(event: SimpleEvent): Unit = {
+    val jsonString = WebsocketEventMapper.toJsonString(event)
+    out ! jsonString
+  }
+
 }

knockoutwhistweb/app/model/users/User.scala

@@ -3,10 +3,10 @@ package model.users
 import java.util.UUID
 
 case class User(
-               internalId: Long,
-               id: UUID,
-               name: String,
-               passwordHash: String
+                 internalId: Long,
+                 id: UUID,
+                 name: String,
+                 passwordHash: String
                ) {
 
   def withName(newName: String): User = {