Files
WS-10-Database/src/main/java/dev/dao/OrderDetailDao.java
T
2026-06-22 23:12:31 +03:30

69 lines
2.0 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_items_id, quantity, price_at_purchase) VALUES (? ,? ,? ,?)";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql))
{
stmt.setInt(1, detail.getOrderId());
stmt.setInt(2, detail.getMenuItemId());
stmt.setInt(3, detail.getQuantity());
stmt.setDouble(4, detail.getPrice());
stmt.executeUpdate();
} catch (SQLException e)
{
e.printStackTrace();
}
}
public List<OrderDetail> findByOrderId(int orderId) {
String sql = "SELECT id, order_id, menu_items_id, quantity, price_at_purchase FROM order_details WHERE order_id = ?";
List<OrderDetail> orderDetails = new ArrayList<>();
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql))
{
stmt.setInt(1, orderId);
try (ResultSet rs = stmt.executeQuery())
{
while (rs.next())
{
OrderDetail orderDetail = new OrderDetail();
orderDetail.setId(rs.getInt("id"));
orderDetail.setOrderId(rs.getInt("order_id"));
orderDetail.setMenuItemId(rs.getInt("menu_items_id"));
orderDetail.setQuantity(rs.getInt("quantity"));
orderDetail.setPrice(rs.getDouble("price_at_purchase"));
orderDetails.add(orderDetail);
}
}
} catch (SQLException e)
{
e.printStackTrace();
}
return orderDetails;
}
}