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AutoJudge-Flutter/lib/models/user_credentials.dart

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2025-11-13 09:14:49 +08:00
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
/// User credentials for authentication
class UserCredentials {
final String userId;
final String ecPassword;
final String password;
UserCredentials({
required this.userId,
required this.ecPassword,
required this.password,
});
factory UserCredentials.fromJson(Map<String, dynamic> json) {
return UserCredentials(
userId: json['userId'] as String? ?? '',
ecPassword: json['ecPassword'] as String? ?? '',
password: json['password'] as String? ?? '',
);
}
Map<String, dynamic> toJson() {
return {'userId': userId, 'ecPassword': ecPassword, 'password': password};
}
/// Save credentials securely using flutter_secure_storage
Future<void> saveSecurely() async {
const storage = FlutterSecureStorage();
await storage.write(key: 'user_id', value: userId);
await storage.write(key: 'ec_password', value: ecPassword);
await storage.write(key: 'password', value: password);
}
/// Load credentials from secure storage
static Future<UserCredentials?> loadSecurely() async {
const storage = FlutterSecureStorage();
final userId = await storage.read(key: 'user_id');
final ecPassword = await storage.read(key: 'ec_password');
final password = await storage.read(key: 'password');
if (userId == null || ecPassword == null || password == null) {
return null;
}
return UserCredentials(
userId: userId,
ecPassword: ecPassword,
password: password,
);
}
/// Clear credentials from secure storage
static Future<void> clearSecurely() async {
const storage = FlutterSecureStorage();
await storage.delete(key: 'user_id');
await storage.delete(key: 'ec_password');
await storage.delete(key: 'password');
}
@override
String toString() {
return 'UserCredentials(userId: $userId)';
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
return other is UserCredentials &&
other.userId == userId &&
other.ecPassword == ecPassword &&
other.password == password;
}
@override
int get hashCode => Object.hash(userId, ecPassword, password);
}