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

56 lines
1.7 KiB
Java

package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.Order;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
public class OrderDao {
public int save(Order order) {
String sql = "INSERT INTO orders (user_id, total_price) VALUES (?, ?) RETURNING id";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement pstmt = conn.prepareStatement(sql)) {
pstmt.setInt(1, order.getUserId());
pstmt.setDouble(2, order.getTotalPrice());
try (ResultSet rs = pstmt.executeQuery()) {
if (rs.next()) {
return rs.getInt(1);
}
}
} catch (SQLException e) {
System.err.println("Error saving order: " + e.getMessage());
}
return -1;
}
public List<Order> findByUserId(int userId) {
List<Order> orders = new ArrayList<>();
String sql = "SELECT * FROM orders WHERE user_id = ? ORDER BY created_at DESC";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement pstmt = conn.prepareStatement(sql)){
pstmt.setInt(1, userId);
ResultSet rs = pstmt.executeQuery();
while (rs.next()){
Order order = new Order(
rs.getInt("id"),
rs.getInt("user_id"),
rs.getTimestamp("created_at").toLocalDateTime(),
rs.getDouble("total_price")
);
orders.add(order);
}
} catch (SQLException e) {
System.err.println("Error fetching order history: " + e.getMessage());
}
return orders;
}
}