Feat: Attempt at favouriteDAO

helpmehelpapplication/src/main/java/ntnu/systemutvikling/team6/database/DAO/FavouritesDAO.java

@@ -0,0 +1,81 @@
+package ntnu.systemutvikling.team6.database.DAO;
+
+import ntnu.systemutvikling.team6.database.DatabaseConnection;
+import ntnu.systemutvikling.team6.models.Charity;
+import ntnu.systemutvikling.team6.models.user.User;
+
+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 FavouritesDAO {
+
+    private final DatabaseConnection connection;
+
+    public FavouritesDAO(DatabaseConnection connection) {
+        this.connection = connection;
+    }
+
+    public boolean addFavourite(User user, Charity charity) {
+        String sql = "INSERT INTO Favourites (UUID_user, UUID_charity) VALUES (?, ?)";
+
+        try (Connection conn = connection.getMySqlConnection();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+
+            ps.setString(1, user.getId().toString());
+            ps.setString(2, charity.getUUID().toString());
+            return ps.executeUpdate() > 0;
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    public boolean removeFavourite(User user, Charity charity) {
+        String sql = "DELETE FROM Favourites WHERE UUID_user = ? AND UUID_charity = ?";
+
+        try (Connection conn = connection.getMySqlConnection();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+
+            ps.setString(1, user.getId().toString());
+            ps.setString(2, charity.getUUID().toString());
+            return ps.executeUpdate() > 0;
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    public List<Charity> getFavourites(User user) {
+        String sql = """
+                SELECT c.* FROM Charity c
+                JOIN Favourites f ON c.UUID_charity = f.UUID_charity
+                WHERE f.UUID_user = ?
+                """;
+
+        List<Charity> favourites = new ArrayList<>();
+
+        try (Connection conn = connection.getMySqlConnection();
+             PreparedStatement ps = conn.prepareStatement(sql)) {
+
+            ps.setString(1, user.getId().toString());
+            ResultSet rs = ps.executeQuery();
+
+            while (rs.next()) {
+                favourites.add(new Charity(
+
+                ));
+            }
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return favourites;
+    }
+}