SAE31_2025/src/fr/iutfbleau/papillon/model/BaseDeDonnees.java

import java.sql.*;
import java.util.ArrayList;
import java.util.List;

public class BaseDeDonnees {

 
    private static final String URL  = "jdbc:mariadb://dwarves.iut-fbleau.fr:3306/yolou";
    private static final String USER = "yolou";
    private static final String PASS = "serikhaneyolou";
  

    /** Connexion  */
    public static Connection connecter() throws SQLException {
        try {
            Class.forName("org.mariadb.jdbc.Driver");
        } catch (ClassNotFoundException ignore) {}
        return DriverManager.getConnection(URL, USER, PASS);
    }

    /** INSERT renvoie l'id généré. */
    public static int ajouter(Rappel r) throws SQLException {
        String sql = "INSERT INTO rappel(titre, contenu, theme, rang) VALUES (?,?,?,?)";
        try (Connection cnx = connecter();
             PreparedStatement pst = cnx.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
            pst.setString(1, r.getTitre());
            pst.setString(2, r.getContenu());
            pst.setString(3, r.getTheme());
            pst.setInt(4, r.getRang());
            pst.executeUpdate();

            try (ResultSet rs = pst.getGeneratedKeys()) {
                if (rs.next()) {
                    int id = rs.getInt(1);
                    r.setId(id);
                    return id;
                }
            }
            return 0;
        }
    }

    /** SELECT * ORDER BY rang, id. */
    public static List<Rappel> lister() throws SQLException {
        String sql = "SELECT id, titre, contenu, theme, rang FROM rappel ORDER BY rang ASC, id ASC";
        List<Rappel> res = new ArrayList<>();
        try (Connection cnx = connecter();
             PreparedStatement pst = cnx.prepareStatement(sql);
             ResultSet rs = pst.executeQuery()) {
            while (rs.next()) {
                res.add(new Rappel(
                        rs.getInt("id"),
                        rs.getString("titre"),
                        rs.getString("contenu"),
                        rs.getString("theme"),
                        rs.getInt("rang")));
            }
        }
        return res;
    }

    /** UPDATE par id. */
    public static int modifier(int id, Rappel r) throws SQLException {
        String sql = "UPDATE rappel SET titre=?, contenu=?, theme=?, rang=? WHERE id=?";
        try (Connection cnx = connecter();
             PreparedStatement pst = cnx.prepareStatement(sql)) {
            pst.setString(1, r.getTitre());
            pst.setString(2, r.getContenu());
            pst.setString(3, r.getTheme());
            pst.setInt(4, r.getRang());
            pst.setInt(5, id);
            return pst.executeUpdate();
        }
    }

    /** DELETE par id. */
    public static int supprimer(int id) throws SQLException {
        String sql = "DELETE FROM rappel WHERE id=?";
        try (Connection cnx = connecter();
             PreparedStatement pst = cnx.prepareStatement(sql)) {
            pst.setInt(1, id);
            return pst.executeUpdate();
        }
    }
}