Style: Fixing some linter warnings in ChatModel and Message classes

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/chat/ChatModel.java

@@ -2,8 +2,6 @@ package ch.unibas.dmi.dbis.cs108.casono.client.chat;
 
 import java.util.ArrayList;
 import java.util.function.Consumer;
-import javafx.beans.property.IntegerProperty;
-import javafx.beans.property.SimpleIntegerProperty;
 
 /**
  * ChatModel, stores the data for a specific chat
@@ -12,7 +10,7 @@ import javafx.beans.property.SimpleIntegerProperty;
  */
 public class ChatModel {
 
-    private ArrayList<Consumer<Message>> listeners = new ArrayList<>();
+    private final ArrayList<Consumer<Message>> listeners = new ArrayList<>();
 
     public ArrayList<Message> messages;
 
@@ -24,8 +22,6 @@ public class ChatModel {
     /** The person to send the message to If the chat is a whisper chat */
     private String target;
 
-    private final IntegerProperty count;
-
     public int lobbyId;
 
     /**
@@ -37,10 +33,9 @@ public class ChatModel {
      * @param target The username of the whisper recipient, or null for other chat types.
      */
     public ChatModel(ChatType chattype, String username, int lobbyId, String target) {
-        this.messages = new ArrayList<Message>();
+        this.messages = new ArrayList<>();
         this.chattype = chattype;
         this.username = username;
-        this.count = new SimpleIntegerProperty(0);
         this.lobbyId = lobbyId;
         this.target = target;
     }
@@ -62,7 +57,7 @@ public class ChatModel {
      */
     public synchronized void addMessage(Message msg) {
         messages.add(msg);
-        listeners.stream().forEach((l) -> l.accept(messages.getLast()));
+        listeners.forEach((l) -> l.accept(messages.getLast()));
     }
 
     /**

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/chat/Message.java

@@ -15,8 +15,8 @@ public class Message {
     private final String message;
     public String sender;
     public String timestamp;
-    public int lobbyId = 0;
-    public String target = null;
+    public int lobbyId;
+    public String target;
 
     /**
      * Constructs a Message with a provided timestamp. Typically used when reconstructing messages
@@ -100,7 +100,7 @@ public class Message {
      * @return A formatted string containing all message attributes for server transmission.
      */
     public String toArgsString() {
-        String gameIdString = "";
+        String gameIdString;
         if (lobbyId >= 0) {
             gameIdString = " GAME=" + lobbyId;
         } else {

src/main/java/ch/unibas/dmi/dbis/cs108/casono/client/ui/chatui/ChatBoxController.java

@@ -198,15 +198,6 @@ public class ChatBoxController {
                                 new ChatViewController(
                                         this.chatController, chatModel, this);
 
-                        ChatKey chatKey;
-                        if (chatType.equals(ChatType.WHISPER)) {
-                            chatKey = new ChatKey(chatType, title);
-                        } else {
-                            chatKey = new ChatKey(chatType);
-                        }
-                        chatController.activeChatControllers.put(chatKey, chatViewController);
-                                        this.chatController, chatModel, this.username, this);
-
                         ChatKey chatKey;
                         if (chatType.equals(ChatType.WHISPER)) {
                             chatKey = new ChatKey(chatType, title);