Files
WS-10-Database-Saeed/src/main/java/dev/dao/MenuItemDao.java
T

57 lines
1.9 KiB
Java

package dev.dao;
import dev.database.DatabaseConnection;
import dev.model.MenuItem;
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 MenuItemDao {
public List<MenuItem> findAll() {
List<MenuItem> items = new ArrayList<>();
String sql = "SELECT * FROM menu_items";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql);
ResultSet rs = stmt.executeQuery()) {
while (rs.next()) {
MenuItem item = new MenuItem();
item.setId(rs.getInt("id"));
item.setName(rs.getString("name"));
item.setDescription(rs.getString("description"));
item.setPrice(rs.getDouble("price"));
item.setCategory(rs.getString("category"));
items.add(item);
}
} catch (SQLException e) {
e.printStackTrace();
}
return items;
}
public MenuItem findById(int id) {
String sql = "SELECT * FROM menu_items WHERE id = ?";
try (Connection conn = DatabaseConnection.getConnection();
PreparedStatement stmt = conn.prepareStatement(sql)) {
stmt.setInt(1, id);
try (ResultSet rs = stmt.executeQuery()) {
if (rs.next()) {
MenuItem item = new MenuItem();
item.setId(rs.getInt("id"));
item.setName(rs.getString("name"));
item.setDescription(rs.getString("description"));
item.setPrice(rs.getDouble("price"));
item.setCategory(rs.getString("category"));
return item;
}
}
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
}