From 77588f8a37a5a1e01f25f6093b22cd542aad1eb5 Mon Sep 17 00:00:00 2001
From: Linus <53803800+zupey@users.noreply.github.com>
Date: Wed, 7 Sep 2022 17:24:35 +0800
Subject: [PATCH] feat: closes GUI when user inputs `bye`

Duke now closes when user inputs bye.
---
 src/main/java/duke/Duke.java       | 13 +++++++++++++
 src/main/java/duke/MainWindow.java |  5 +++++
 2 files changed, 18 insertions(+)

diff --git a/src/main/java/duke/Duke.java b/src/main/java/duke/Duke.java
index ed09ca1d0c..7cff876bca 100644
--- a/src/main/java/duke/Duke.java
+++ b/src/main/java/duke/Duke.java
@@ -17,6 +17,7 @@
  */
 public class Duke {
 
+    private boolean isClosed;
     private final TaskList taskList;
     private final CommandHandlerFactory commandHandlerFactory;
 
@@ -34,6 +35,15 @@ public Duke() {
         Storage db = new Storage("./data/duke.txt");
         taskList = db.load();
         commandHandlerFactory = new CommandHandlerFactory();
+        isClosed = false;
+    }
+
+    /**
+     * Checks if duke has terminated.
+     * @return whether duke has terminated.
+     */
+    public boolean isClosed() {
+        return isClosed;
     }
 
     /**
@@ -42,6 +52,9 @@ public Duke() {
      * @return Duke's response to the user.
      */
     public String getResponse(String input) {
+        if (input.equals("bye")) {
+            this.isClosed = true;
+        }
         try {
             CommandHandler commandHandler = commandHandlerFactory.getHandler(input);
             return commandHandler.handle(taskList);
diff --git a/src/main/java/duke/MainWindow.java b/src/main/java/duke/MainWindow.java
index a5028b803b..cc64ff3d04 100644
--- a/src/main/java/duke/MainWindow.java
+++ b/src/main/java/duke/MainWindow.java
@@ -1,5 +1,6 @@
 package duke;
 
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.scene.control.Button;
 import javafx.scene.control.ScrollPane;
@@ -50,5 +51,9 @@ private void handleUserInput() {
                 DialogBox.getDukeDialog(response, dukeImage)
         );
         userInput.clear();
+
+        if (duke.isClosed()) {
+            Platform.exit();
+        }
     }
 }