done

src/main/java/ap/restaurant/restaurant/Controller/CheckOutController.java

@@ -0,0 +1,179 @@
+package ap.restaurant.restaurant.Controller;
+
+
+import ap.restaurant.restaurant.Database.DatabaseManager;
+import ap.restaurant.restaurant.Service.CartService;
+import ap.restaurant.restaurant.Service.SessionService;
+import javafx.fxml.FXML;
+import javafx.scene.control.*;
+import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.Map;
+
+public class CheckOutController {
+
+    @FXML private TableView<OrderItem> receiptTable;
+    @FXML private TableColumn<OrderItem, String> colItem;
+    @FXML private TableColumn<OrderItem, Integer> colQuantity;
+    @FXML private TableColumn<OrderItem, Double> colUnitPrice;
+    @FXML private TableColumn<OrderItem, Double> colTotal;
+
+    @FXML private Label totalLabel;
+
+    private final ObservableList<OrderItem> cartItems = FXCollections.observableArrayList();
+
+    @FXML
+    public void initialize() {
+        Map<String, double[]> cart = CartService.getInstance().getCartItems();
+        cartItems.clear();
+
+        for (var entry : cart.entrySet()) {
+            String name = entry.getKey();
+            int qty = (int) entry.getValue()[0];
+            double price = entry.getValue()[1];
+
+            cartItems.add(new OrderItem(name, qty, price));
+        }
+
+        // Set up table columns (same as before)
+        colItem.setCellValueFactory(new PropertyValueFactory<>("name"));
+        colQuantity.setCellValueFactory(new PropertyValueFactory<>("quantity"));
+        colUnitPrice.setCellValueFactory(new PropertyValueFactory<>("unitPrice"));
+        colTotal.setCellValueFactory(new PropertyValueFactory<>("totalPrice"));
+        receiptTable.setItems(cartItems);
+
+        double total = cartItems.stream().mapToDouble(OrderItem::getTotalPrice).sum();
+        totalLabel.setText("Total: $" + String.format("%.2f", total));
+    }
+
+
+    private int getMenuItemIdByName(String name, Connection conn) throws Exception {
+        String sql = "SELECT id FROM menu_items WHERE name = ?";
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        stmt.setString(1, name);
+        ResultSet rs = stmt.executeQuery();
+        if (rs.next()) {
+            return rs.getInt("id");
+        } else {
+            throw new Exception("Menu item not found: " + name);
+        }
+    }
+
+    @FXML
+    private void confirmOrder() {
+        try (Connection conn = DatabaseManager.getConnection()) {
+            conn.setAutoCommit(false); // Begin transaction
+
+            // STEP 1: Insert new order
+            String insertOrder = "INSERT INTO orders (user_id, total_price) VALUES (?, ?) RETURNING id";
+            PreparedStatement orderStmt = conn.prepareStatement(insertOrder);
+            orderStmt.setInt(1, SessionService.getInstance().getUserId());
+
+            orderStmt.setDouble(2, calculateTotal());
+            ResultSet rs = orderStmt.executeQuery();
+            rs.next();
+            int orderId = rs.getInt(1);
+
+            // STEP 2: Insert order details
+            String insertDetail = "INSERT INTO order_details (order_id, menu_item_id, quantity, price) VALUES (?, ?, ?, ?)";
+            PreparedStatement detailStmt = conn.prepareStatement(insertDetail);
+
+            for (OrderItem item : cartItems) {
+                int menuItemId = getMenuItemIdByName(item.getName(), conn); // helper below
+                detailStmt.setInt(1, orderId);
+                detailStmt.setInt(2, menuItemId);
+                detailStmt.setInt(3, item.getQuantity());
+                detailStmt.setDouble(4, item.getUnitPrice());
+                detailStmt.addBatch();
+            }
+
+            detailStmt.executeBatch();
+            conn.commit();
+
+            // clear cart and show success
+            CartService.getInstance().clearCart();
+            Alert alert = new Alert(Alert.AlertType.INFORMATION);
+            alert.setTitle("Success");
+            alert.setContentText("Your order has been placed!");
+            alert.showAndWait();
+            backToMenu();
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            Alert alert = new Alert(Alert.AlertType.ERROR);
+            alert.setTitle("Error");
+            alert.setContentText("Could not complete the order.");
+            alert.showAndWait();
+        }
+    }
+
+
+    @FXML
+    private void backToMenu() {
+        try {
+            Parent root = FXMLLoader.load(getClass().getResource("/ap/restaurant/restaurant/menu.fxml"));
+            Stage stage = (Stage) receiptTable.getScene().getWindow();
+            stage.setScene(new Scene(root));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private double calculateTotal() {
+        return cartItems.stream().mapToDouble(OrderItem::getTotalPrice).sum();
+    }
+
+    private int getCurrentUserId() {
+        return 1;
+    }
+
+    @FXML
+    private void logout() {
+        SessionService.getInstance().logout(); // clear session
+
+        Alert alert = new Alert(Alert.AlertType.INFORMATION);
+        alert.setTitle("Logged Out");
+        alert.setHeaderText(null);
+        alert.setContentText("You have been successfully logged out.");
+        alert.showAndWait(); // Wait for user to click OK
+
+        try {
+            Parent root = FXMLLoader.load(getClass().getResource("/ap/restaurant/restaurant/login.fxml"));
+            Stage stage = (Stage) receiptTable.getScene().getWindow(); // ✅ valid UI node
+            stage.setScene(new Scene(root));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+
+    // Inner class to represent each row
+    public static class OrderItem {
+
+        private final String name;
+        private final int quantity;
+        private final double unitPrice;
+
+        public OrderItem(String name, int quantity, double unitPrice) {
+            this.name = name;
+            this.quantity = quantity;
+            this.unitPrice = unitPrice;
+        }
+
+        public String getName() { return name; }
+        public int getQuantity() { return quantity; }
+        public double getUnitPrice() { return unitPrice; }
+        public double getTotalPrice() { return unitPrice * quantity; }
+
+    }
+}

src/main/java/ap/restaurant/restaurant/Controller/Contoller.java

@@ -0,0 +1,19 @@
+package ap.restaurant.restaurant.Controller;
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.control.PasswordField;
+import javafx.scene.control.TextField;
+
+public class Contoller {
+
+    @FXML
+    private TextField usernameField;
+    @FXML private PasswordField passwordField;
+
+    @FXML
+    private void handleLogin(ActionEvent event) {
+        // custom login logic
+    }
+}

src/main/java/ap/restaurant/restaurant/Controller/DisplayController.java

@@ -0,0 +1,19 @@
+package ap.restaurant.restaurant.Controller;
+
+
+
+import javafx.event.ActionEvent;
+import javafx.fxml.FXML;
+import javafx.scene.control.PasswordField;
+import javafx.scene.control.TextField;
+
+public class DisplayController {
+    @FXML
+    private TextField usernameField;
+    @FXML private PasswordField passwordField;
+
+    @FXML
+    private void handleLogin(ActionEvent event) {
+        // custom login logic
+    }
+}