getPreferences method

Implementation

Future<Map<String, dynamic>?> getPreferences(String uid) async {
  try {
    // Check cache first
    if (_userCache.containsKey(uid)) {
      return Map<String, dynamic>.from(_userCache[uid]!.preferences);
    }

    final docSnapshot = await _firestore.collection(_collectionPath).doc(uid).get();

    if (docSnapshot.exists) {
      final userData = docSnapshot.data();
      final preferences = Map<String, dynamic>.from(userData?['preferences'] ?? {});

      // Cache the preferences
      if (!_userCache.containsKey(uid)) {
        final user = RaliUser.fromMap(userData!, uid);
        _userCache[uid] = user;
      }

      return preferences;
    }
    return null;
  } catch (e) {
    print('Error getting preferences: $e');

    if (e is FirebaseException && e.code == 'unavailable' && _userCache.containsKey(uid)) {
      // Return from cache when offline
      return Map<String, dynamic>.from(_userCache[uid]!.preferences);
    }

    rethrow;
  }
}