Refactor SocketUser class location and update imports; add new ClientHandler for game management

backend/src/SocketIO/GameManager/ClientHandler.js

@@ -0,0 +1,37 @@
+const socketIO = require("socket.io");
+const SocketUser = require("../Classes/SocketUser");
+const LobbyManager = require("../LobbyManager/LobbyManager");
+
+class ClientHandler {
+    /** @param {socketIO.Socket} socket @param {LobbyManager} lobbyManager */
+    constructor(socket, lobbyManager) {
+        this.socket = socket;
+        this.lobbyManager = lobbyManager;
+
+        this.user = new SocketUser(
+            this.socket.request.session.user.id,
+            this.socket.request.session.user.username,
+            this.socket
+        );
+
+        this.socket.on("disconnect", () => { this.defaultDisconnect() })
+
+        this.checkForLobby();
+    }
+
+    checkForLobby(){
+        const isUserInLobby = this.lobbyManager.oldLobbys.some((lobby) =>
+            lobby.users.some((user) => user.id === this.user.id)
+        );
+    
+        if (!isUserInLobby) {
+            this.socket.disconnect();
+        }
+    }
+
+    defaultDisconnect(){
+        
+    }
+}
+
+module.exports = ClientHandler;