Updated service (time validation)

src/main/java/org/example/petshopdesktop/controllers/dialogcontrollers/ServiceDialogController.java

@@ -11,6 +11,8 @@ import javafx.stage.Stage;
 import org.example.petshopdesktop.database.ServiceDB;
 import org.example.petshopdesktop.models.Service;
 import javafx.scene.control.Alert;
+import javafx.scene.control.ComboBox;
+
 
 public class ServiceDialogController {
 
@@ -38,11 +40,21 @@ public class ServiceDialogController {
     @FXML
     private TextField txtServicePrice;
 
+    @FXML
+    private ComboBox<Integer> cbHours;
+
+    @FXML
+    private ComboBox<Integer> cbMinutes;
+
     private String mode;
     private Service selectedService;
 
+
+
     @FXML
     public void initialize() {
+        cbHours.getItems().addAll(0, 1, 2, 3, 4);
+        cbMinutes.getItems().addAll(0, 15, 30, 45);
         btnSave.setOnAction(e -> saveService());
         btnCancel.setOnAction(e -> close());
     }
@@ -64,26 +76,49 @@ public class ServiceDialogController {
         lblServiceId.setText("ID: " + service.getServiceId());
         txtServiceName.setText(service.getServiceName());
         txtServiceDesc.setText(service.getServiceDesc());
-        txtServiceDuration.setText(String.valueOf(service.getServiceDuration()));
+        int totalMinutes = service.getServiceDuration();
+        cbHours.setValue(totalMinutes / 60);
+        cbMinutes.setValue(totalMinutes % 60);
         txtServicePrice.setText(String.valueOf(service.getServicePrice()));
     }
 
     private void saveService() {
 
+        String name = txtServiceName.getText();
+        String desc = txtServiceDesc.getText();
+        String durationText = txtServiceDuration.getText();
+        String priceText = txtServicePrice.getText();
+
+        // Empty checks
+        Integer hours = cbHours.getValue();
+        Integer minutes = cbMinutes.getValue();
+
+        if (hours == null || minutes == null) {
+            showError("Please select hours and minutes.");
+            return;
+        }
+
+        int duration = (hours * 60) + minutes;
+        double price;
+
+        // Number validation
         try {
-            String name = txtServiceName.getText();
-            String desc = txtServiceDesc.getText();
-            int duration = Integer.parseInt(txtServiceDuration.getText());
-            double price = Double.parseDouble(txtServicePrice.getText());
+            duration = Integer.parseInt(durationText);
+            price = Double.parseDouble(priceText);
+        } catch (NumberFormatException e) {
+            showError("Duration must be a whole number and Price must be numeric.");
+            return;
+        }
 
-            Service service = new Service(
-                    selectedService == null ? 0 : selectedService.getServiceId(),
-                    name,
-                    desc,
-                    duration,
-                    price
-            );
+        Service service = new Service(
+                selectedService == null ? 0 : selectedService.getServiceId(),
+                name,
+                desc,
+                duration,
+                price
+        );
 
+        try {
             if (mode.equals("Add")) {
                 ServiceDB.insertService(service);
             } else {
@@ -94,10 +129,17 @@ public class ServiceDialogController {
 
         } catch (Exception e) {
             e.printStackTrace();
-            new Alert(Alert.AlertType.ERROR, "Invalid Input").showAndWait();
+            showError("Database error while saving service.");
         }
     }
 
+    private void showError(String msg) {
+        Alert alert = new Alert(Alert.AlertType.ERROR);
+        alert.setHeaderText("Invalid Input");
+        alert.setContentText(msg);
+        alert.showAndWait();
+    }
+
     private void close() {
         Stage stage = (Stage) btnSave.getScene().getWindow();
         stage.close();

src/main/java/org/example/petshopdesktop/database/ServiceDB.java

@@ -8,9 +8,9 @@ import java.sql.*;
 
 public class ServiceDB {
 
-    // ============================
+    //
     // GET ALL SERVICES
-    // ============================
+    //
     public static ObservableList<Service> getServices() throws SQLException {
 
         ObservableList<Service> list = FXCollections.observableArrayList();
@@ -37,9 +37,9 @@ public class ServiceDB {
         return list;
     }
 
-    // ============================
+    //
     // INSERT SERVICE
-    // ============================
+    //
     public static int insertService(Service service) throws SQLException {
 
         Connection conn = ConnectionDB.getConnection();
@@ -61,9 +61,9 @@ public class ServiceDB {
         return rows;
     }
 
-    // ============================
+    //
     // UPDATE SERVICE
-    // ============================
+    //
     public static int updateService(int id, Service service) throws SQLException {
 
         Connection conn = ConnectionDB.getConnection();
@@ -87,9 +87,9 @@ public class ServiceDB {
         return rows;
     }
 
-    // ============================
+    //
     // DELETE SERVICE
-    // ============================
+    //
     public static int deleteService(int id) throws SQLException {
 
         Connection conn = ConnectionDB.getConnection();