75 lines
1.9 KiB
Dart
75 lines
1.9 KiB
Dart
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import 'dart:convert';
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import 'package:shared_preferences/shared_preferences.dart';
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class UserManager {
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static const String _userKey = 'user';
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static UserManager? _instance;
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static Map<String, dynamic>? _cachedUser;
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// Private constructor for singleton
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UserManager._privateConstructor();
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// Factory constructor to get the singleton instance
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factory UserManager() {
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_instance ??= UserManager._privateConstructor();
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return _instance!;
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}
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// Initialize and load user data
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Future<void> initialize() async {
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if (_cachedUser == null) {
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final prefs = await SharedPreferences.getInstance();
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final userData = prefs.getString(_userKey);
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if (userData != null) {
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_cachedUser = jsonDecode(userData) as Map<String, dynamic>;
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}
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}
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}
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// Accessor for user token
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String? get token {
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return _cachedUser?['token'];
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}
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// Accessor for user name
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String? get userName {
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return _cachedUser?['fullname'];
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}
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// Accessor for user email
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String? get email {
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return _cachedUser?['email'];
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}
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// Accessor for user id
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int? get userId {
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return _cachedUser?['userId'];
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}
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// Accessor for user roles (Assuming it's a list of roles in the user data)
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List<String>? get roles {
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if (_cachedUser?['roles'] != null) {
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return List<String>.from(_cachedUser!['roles']);
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}
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return null;
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}
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// Save user data and cache it
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Future<void> setUser(Map<String, dynamic> user) async {
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final prefs = await SharedPreferences.getInstance();
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final userData = jsonEncode(user);
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await prefs.setString(_userKey, userData);
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_cachedUser = user; // Update cache
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}
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// Clear user data and cache
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Future<void> clearUser() async {
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final prefs = await SharedPreferences.getInstance();
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await prefs.remove(_userKey);
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await prefs.remove('isLoggedIn');
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await prefs.clear();
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_cachedUser = null; // Clear cache
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}
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}
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