false

src/main/java/dev/dao/OrderDetailDao.java

@@ -1,24 +1,57 @@
 package dev.dao;
 
+import dev.database.DatabaseConnection;
 import dev.model.OrderDetail;
 
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
 import java.util.List;
 
 public class OrderDetailDao {
 
     public void save(OrderDetail detail) {
+        String sql = "INSERT INTO order_details (order_id, menu_item_id, quantity, unit_price) VALUES (?, ?, ?)";
 
-        // TODO:
-        // Insert order detail
+        try (Connection conn = DatabaseConnection.getConnection();
+             PreparedStatement pstmt = conn.prepareStatement(sql)){
 
+            pstmt.setInt(1, detail.getOrderId());
+            pstmt.setInt(2, detail.getMenuItemId());
+            pstmt.setInt(3, detail.getQuantity());
+            pstmt.setDouble(4, detail.getPrice());
+
+            pstmt.executeUpdate();
+
+        } catch (SQLException e) {
+            System.err.println("Error saving order detail: " + e.getMessage());
+        }
     }
 
     public List<OrderDetail> findByOrderId(int orderId) {
+        List<OrderDetail> details = new ArrayList<>();
+        String sql = "SELECT * FROM order_details WHERE order_id = ?";
 
-        // TODO:
-        // Retrieve order details
+        try (Connection conn = DatabaseConnection.getConnection();
+            PreparedStatement pstmt = conn.prepareStatement(sql)){
 
-        return null;
+            pstmt.setInt(1, orderId);
+            ResultSet rs = pstmt.executeQuery();
+
+            while (rs.next()){
+                details.add(new OrderDetail(
+                        rs.getInt("id"),
+                        rs.getInt("order_id"),
+                        rs.getInt("menu_item_id"),
+                        rs.getInt("quantity"),
+                        rs.getDouble("unit_price")
+                ));
+            }
+        } catch (SQLException e) {
+            System.err.println("Error fetching order details: " + e.getMessage());
+        }
+        return details;
     }
-
 }