auto-refresh product list

desktop/src/main/java/org/example/petshopdesktop/controllers/ProductController.java

@@ -1,5 +1,7 @@
 package org.example.petshopdesktop.controllers;
 
+import javafx.animation.KeyFrame;
+import javafx.animation.Timeline;
 import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
@@ -8,6 +10,7 @@ import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.geometry.Pos;
 import javafx.scene.Scene;
+import javafx.util.Duration;
 import javafx.scene.control.*;
 import javafx.scene.control.cell.PropertyValueFactory;
 import javafx.scene.image.ImageView;
@@ -78,8 +81,9 @@ public class ProductController {
     private TextField txtSearch;
 
     //data declaration
-    private ObservableList<ProductDTO> data = FXCollections.observableArrayList(); //empty
+    private ObservableList<ProductDTO> data = FXCollections.observableArrayList();
     private String mode = null;
+    private Timeline refreshTimer;
 
     /**
      * Set up the table view for products and display it when starting up
@@ -130,6 +134,15 @@ public class ProductController {
             }
         });
 
+        refreshTimer = new Timeline(new KeyFrame(Duration.seconds(30), e -> applyFilters()));
+        refreshTimer.setCycleCount(Timeline.INDEFINITE);
+        refreshTimer.play();
+        tvProducts.sceneProperty().addListener((obs, oldScene, newScene) -> {
+            if (newScene == null && refreshTimer != null) {
+                refreshTimer.stop();
+            }
+        });
+
     }
 
     /**