Files
WS-10-Database/src/main/java/dev/dao/OrderDetailDao.java
T
2026-06-22 20:27:29 +03:30

57 lines
1.8 KiB
Java

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 (?, ?, ?)";
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 = ?";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement pstmt = conn.prepareStatement(sql)){
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;
}
}