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

Ajout de liaison dwarves et la machine dans le fichier pour la base de donnée
2025-10-21 18:31:50 +02:00
parent aee2b5888a
commit d8385d4ca7
1 changed files with 77 additions and 30 deletions
@@ -1,38 +1,85 @@
-package fr.iutfbleau.papillon.model;
-import org.mariadb.jdbc.MariaDbDataSource; 
-
-import java.sql.Connection;
-import java.sql.SQLException;
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;

 public class BaseDeDonnees {

-    private static Connection connexion;
 
-    public static Connection getConnexion() {
-        if (connexion == null) {
-            try {
-                MariaDbDataSource dataSource = new MariaDbDataSource();
-                dataSource.setUrl("jdbc:mariadb://localhost:3307/papillon");
-                dataSource.setUser("root");
-                dataSource.setPassword("mdp");
+    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 = dataSource.getConnection();
-                System.out.println(" Connexion réussie !");
-            } catch (SQLException e) {
-                e.printStackTrace();
-            }
-        }
-        return connexion;
+
+    /** Connexion  */
+    public static Connection connecter() throws SQLException {
+        try {
+            Class.forName("org.mariadb.jdbc.Driver");
+        } catch (ClassNotFoundException ignore) {}
+        return DriverManager.getConnection(URL, USER, PASS);
    }

-    public static void fermer() {
-        try {
-            if (connexion != null && !connexion.isClosed()) {
-                connexion.close();
-                System.out.println(" Connexion fermée.");
+    /** 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;
+                }
            }
-        } catch (SQLException e) {
-            e.printStackTrace();
+            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();
        }
    }
 }