feat(auth): enhance biometric login and user metadata handling

sigap-mobile/lib/src/cores/repositories/auth/auth_repositories.dart

@@ -7,6 +7,7 @@ import 'package:sigap/src/cores/services/location_service.dart';
 import 'package:sigap/src/cores/services/supabase_service.dart';
 import 'package:sigap/src/features/auth/screens/signin/signin_screen.dart';
 import 'package:sigap/src/features/onboarding/screens/onboarding/onboarding_screen.dart';
+import 'package:sigap/src/utils/constants/app_routes.dart';
 import 'package:sigap/src/utils/exceptions/exceptions.dart';
 import 'package:sigap/src/utils/exceptions/format_exceptions.dart';
 import 'package:sigap/src/utils/exceptions/platform_exceptions.dart';
@@ -37,16 +38,22 @@ class AuthenticationRepository extends GetxController {
       return false;
     }
     
-    String? sessionString = await _biometricService.attemptBiometricLogin();
-    if (sessionString == null) {
+    String? refreshToken = await _biometricService.attemptBiometricLogin();
+    if (refreshToken == null || refreshToken.isEmpty) {
       return false;
     }
     
     try {
-      await _supabase.auth.recoverSession(sessionString);
-      Get.offAllNamed('/home');
-      return true;
+      // Use the refresh token to recover the session
+      final response = await _supabase.auth.refreshSession(refreshToken);
+      if (response.session != null) {
+        Get.offAllNamed(AppRoutes.explore);
+        return true;
+      }
+      return false;
     } catch (e) {
+      // If refresh token is invalid or expired, disable biometric login
+      await _biometricService.disableBiometricLogin();
       return false;
     }
   }

sigap-mobile/lib/src/cores/services/biometric_service.dart

@@ -3,6 +3,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:get/get.dart';
 import 'package:local_auth/local_auth.dart';
 import 'package:sigap/src/cores/services/supabase_service.dart';
+import 'package:sigap/src/features/auth/models/user_metadata_model.dart';
 
 class BiometricService extends GetxService {
   static BiometricService get instance => Get.find<BiometricService>();
@@ -80,26 +81,28 @@ class BiometricService extends GetxService {
     await _secureStorage.write(key: _biometricEnabledKey, value: 'true');
     await _secureStorage.write(key: _userIdKey, value: user.id);
 
-    // Store the session for auto-login
-    final session = SupabaseService.instance.client.auth.currentSession;
-    if (session != null) {
+    // Store user email and hashed password for session recovery
+    final userMetadata = UserMetadataModel.fromJson(user.userMetadata);
+    if (userMetadata.officer?.email != null) {
       await _secureStorage.write(
-        key: _sessionKey,
-        value: session.toJson().toString(),
+        key: 'user_email',
+        value: userMetadata.officer?.email,
       );
     }
 
-    // Store identifier (NIK or NRP) based on user role
-    final userMetadata = user.userMetadata;
+    // Also store the auth token, which is more secure than storing credentials
+    final session = SupabaseService.instance.client.auth.currentSession;
+    if (session != null) {
+      await _secureStorage.write(key: _sessionKey, value: session.accessToken);
+    }
+
+    // Parse user metadata with our type-safe model
     String? identifier;
 
-    if (userMetadata != null) {
-      if (userMetadata['is_officer'] == true &&
-          userMetadata['officer_data'] != null) {
-        identifier = userMetadata['officer_data']['nrp'];
-      } else if (userMetadata['nik'] != null) {
-        identifier = userMetadata['nik'];
-      }
+    if (userMetadata.isOfficer && userMetadata.officer != null) {
+      identifier = userMetadata.officer!.nrp;
+    } else if (userMetadata.nik != null) {
+      identifier = userMetadata.nik;
     }
 
     if (identifier != null) {

sigap-mobile/lib/src/cores/services/supabase_service.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:sigap/src/features/auth/models/user_metadata_model.dart';
 import 'package:supabase_flutter/supabase_flutter.dart';
 
 class SupabaseService extends GetxService {
@@ -15,45 +16,44 @@ class SupabaseService extends GetxService {
   /// Get current user ID, if authenticated
   String? get currentUserId => _client.auth.currentUser?.id;
 
+  /// Get type-safe user metadata
+  UserMetadataModel? get userMetadata {
+    if (currentUser == null) return null;
+    return UserMetadataModel.fromJson(currentUser!.userMetadata);
+  }
+
   /// Check if user is authenticated
   bool get isAuthenticated => currentUser != null;
 
-  /// Check if session is expired
-  // bool get isSessionExpired => currentUser?.isExpired ?? true;
-
   /// Check if current user is an officer based on metadata
-  bool get isOfficer {
-    final metadata = currentUser?.userMetadata;
-    if (metadata != null && metadata.containsKey('is_officer')) {
-      return metadata['is_officer'] == true;
+  bool get isOfficer => userMetadata?.isOfficer ?? false;
+
+  /// Get the stored identifier (NIK or NRP) of the current user
+  String? get userIdentifier {
+    if (currentUser == null) return null;
+    final metadata = userMetadata;
+
+    if (metadata?.isOfficer == true && metadata?.officer != null) {
+      return metadata!.officer!.nrp;
+    } else {
+      return metadata?.nik;
     }
-    return false;
   }
 
   /// Initialize Supabase service
   Future<SupabaseService> init() async {
     return this;
   }
-}
-
-extension UserMetadataExtension on SupabaseService {
-  /// Update the current user's metadata
-  Future<void> updateUserMetadata(Map<String, dynamic> metadata) async {
-    if (!isAuthenticated) {
-      throw Exception('User is not authenticated');
-    }
 
+  /// Update user metadata with type safety
+  Future<User?> updateUserMetadata(UserMetadataModel metadata) async {
     try {
-      // Get existing metadata to merge with new values
-      final existingMetadata = currentUser?.userMetadata ?? {};
-      final mergedMetadata = {...existingMetadata, ...metadata};
-
-      // Update user metadata
-      await client.auth.updateUser(UserAttributes(data: mergedMetadata));
-    } on AuthException catch (e) {
-      throw Exception('Failed to update user metadata: ${e.message}');
+      final response = await client.auth.updateUser(
+        UserAttributes(data: metadata.toJson()),
+      );
+      return response.user;
     } catch (e) {
-      throw Exception('An unexpected error occurred: $e');
+      throw Exception('Failed to update user metadata: $e');
     }
   }
 }

sigap-mobile/lib/src/features/auth/models/index.dart

@@ -0,0 +1 @@
+export 'user_metadata_model.dart';

sigap-mobile/lib/src/features/auth/models/user_metadata_model.dart

@@ -0,0 +1,126 @@
+import 'package:sigap/src/features/personalization/models/index.dart';
+
+class UserMetadataModel {
+  final bool isOfficer;
+  final String? nik;
+  final OfficerModel? officer;
+  final Map<String, dynamic>? additionalData;
+
+  UserMetadataModel({
+    this.isOfficer = false,
+    this.nik,
+    this.officer,
+    this.additionalData,
+  });
+
+  /// Create a UserMetadataModel from raw Map data (from Supabase Auth)
+  factory UserMetadataModel.fromJson(Map<String, dynamic>? json) {
+    if (json == null) return UserMetadataModel();
+
+    return UserMetadataModel(
+      isOfficer: json['is_officer'] == true,
+      nik: json['nik'] as String?,
+      officer:
+          json['officer_data'] != null
+              ? OfficerModel.fromJson(
+                json['officer_data'] as Map<String, dynamic>,
+              )
+              : null,
+      additionalData: Map<String, dynamic>.from(json)..removeWhere(
+        (key, _) => ['is_officer', 'nik', 'officer_data'].contains(key),
+      ),
+    );
+  }
+
+  /// Convert the model to a json Map (for Supabase Auth)
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = {'is_officer': isOfficer};
+
+    if (nik != null) {
+      data['nik'] = nik;
+    }
+
+    if (officer != null) {
+      data['officer_data'] = officer!.toJson();
+    }
+
+    if (additionalData != null) {
+      data.addAll(additionalData!);
+    }
+
+    return data;
+  }
+
+  /// Create a copy with updated fields
+  UserMetadataModel copyWith({
+    bool? isOfficer,
+    String? nik,
+    OfficerModel? officer,
+    Map<String, dynamic>? additionalData,
+  }) {
+    return UserMetadataModel(
+      isOfficer: isOfficer ?? this.isOfficer,
+      nik: nik ?? this.nik,
+      officer: officer ?? this.officer,
+      additionalData: additionalData ?? this.additionalData,
+    );
+  }
+}
+
+// class OfficerModel {
+//   final String nrp;
+//   final String? name;
+//   final String? rank;
+//   final String? position;
+//   final String? phone;
+//   final String? unitId;
+
+//   OfficerModel({
+//     required this.nrp,
+//     this.name,
+//     this.rank,
+//     this.position,
+//     this.phone,
+//     this.unitId,
+//   });
+
+//   factory OfficerModel.fromJson(Map<String, dynamic> json) {
+//     return OfficerModel(
+//       nrp: json['nrp'] as String,
+//       name: json['name'] as String?,
+//       rank: json['rank'] as String?,
+//       position: json['position'] as String?,
+//       phone: json['phone'] as String?,
+//       unitId: json['unit_id'] as String?,
+//     );
+//   }
+
+//   Map<String, dynamic> toJson() {
+//     return {
+//       'nrp': nrp,
+//       if (name != null) 'name': name,
+//       if (rank != null) 'rank': rank,
+//       if (position != null) 'position': position,
+//       if (phone != null) 'phone': phone,
+//       if (unitId != null) 'unit_id': unitId,
+//     };
+//   }
+
+//   OfficerModel copyWith({
+//     String? nrp,
+//     String? name,
+//     String? rank,
+//     String? position,
+//     String? phone,
+//     String? unitId,
+//   }) {
+//     return OfficerModel(
+//       nrp: nrp ?? this.nrp,
+//       name: name ?? this.name,
+//       rank: rank ?? this.rank,
+//       position: position ?? this.position,
+//       phone: phone ?? this.phone,
+//       unitId: unitId ?? this.unitId,
+//     );
+//   }
+// }