88 lines
2.7 KiB
Dart
88 lines
2.7 KiB
Dart
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:flutter/foundation.dart';
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import 'package:uuid/uuid.dart';
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/// Persists the user's profile (nickname, tagline, interests) and ephemeral BLE
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/// token locally. No data is ever sent without explicit user consent (toggle).
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class SessionStore extends ChangeNotifier {
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static const _interestsKey = 'interests';
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static const _tokenKey = 'ble_token';
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static const _nameKey = 'profile_name';
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static const _taglineKey = 'profile_tagline';
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static const _profileDoneKey = 'profile_done';
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List<String> _interests = [];
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String _bleToken = '';
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String _name = '';
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String _tagline = '';
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bool _profileDone = false;
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List<String> get interests => List.unmodifiable(_interests);
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String get bleToken => _bleToken;
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String get name => _name;
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String get tagline => _tagline;
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/// True once the user has completed profile setup at least once.
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bool get hasProfile => _profileDone;
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/// Display name — falls back to "Anonym" if not set.
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String get displayName => _name.isNotEmpty ? _name : 'Anonym';
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SessionStore() {
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_load();
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}
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Future<void> _load() async {
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final prefs = await SharedPreferences.getInstance();
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_interests = prefs.getStringList(_interestsKey) ?? [];
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_bleToken = prefs.getString(_tokenKey) ?? _newToken(prefs);
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_name = prefs.getString(_nameKey) ?? '';
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_tagline = prefs.getString(_taglineKey) ?? '';
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_profileDone = prefs.getBool(_profileDoneKey) ?? false;
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notifyListeners();
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}
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String _newToken(SharedPreferences prefs) {
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final token = const Uuid().v4();
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prefs.setString(_tokenKey, token);
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return token;
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}
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/// Saves the full profile in one call. Marks profile as complete.
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Future<void> saveProfile({
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required String name,
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required String tagline,
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required List<String> interests,
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}) async {
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final prefs = await SharedPreferences.getInstance();
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await Future.wait([
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prefs.setString(_nameKey, name),
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prefs.setString(_taglineKey, tagline),
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prefs.setStringList(_interestsKey, interests),
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prefs.setBool(_profileDoneKey, true),
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]);
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_name = name;
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_tagline = tagline;
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_interests = interests;
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_profileDone = true;
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notifyListeners();
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}
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/// Reset ephemeral identity — fresh BLE token, clears profile.
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Future<void> reset() async {
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final prefs = await SharedPreferences.getInstance();
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await Future.wait([
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prefs.remove(_interestsKey),
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prefs.remove(_nameKey),
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prefs.remove(_taglineKey),
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prefs.remove(_profileDoneKey),
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]);
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_interests = [];
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_name = '';
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_tagline = '';
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_profileDone = false;
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_bleToken = _newToken(prefs);
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notifyListeners();
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}
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}
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