Attendance validation involving Location Detection + Facial Recoginition with Liveness Detection

This commit is contained in:
2026-03-07 23:46:43 +08:00
parent 52ef36faac
commit 3dbebd4006
25 changed files with 4840 additions and 361 deletions
+306
View File
@@ -1,12 +1,16 @@
import 'package:flutter/foundation.dart' show kIsWeb;
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:image_picker/image_picker.dart';
import '../../models/office.dart';
import '../../providers/auth_provider.dart' show sessionProvider;
import '../../providers/profile_provider.dart';
import '../../providers/tickets_provider.dart';
import '../../providers/user_offices_provider.dart';
import '../../services/face_verification.dart' as face;
import '../../widgets/multi_select_picker.dart';
import '../../widgets/qr_verification_dialog.dart';
import '../../widgets/responsive_body.dart';
import '../../utils/snackbar.dart';
@@ -27,6 +31,10 @@ class _ProfileScreenState extends ConsumerState<ProfileScreen> {
bool _savingDetails = false;
bool _changingPassword = false;
bool _savingOffices = false;
bool _uploadingAvatar = false;
bool _enrollingFace = false;
final _imagePicker = ImagePicker();
@override
void dispose() {
@@ -72,6 +80,14 @@ class _ProfileScreenState extends ConsumerState<ProfileScreen> {
Text('My Profile', style: Theme.of(context).textTheme.titleLarge),
const SizedBox(height: 12),
// ── Avatar Card ──
_buildAvatarCard(context, profileAsync),
const SizedBox(height: 12),
// ── Face & Biometric Enrollment Card ──
_buildFaceEnrollmentCard(context, profileAsync),
const SizedBox(height: 12),
// Details Card
Card(
child: Padding(
@@ -253,6 +269,296 @@ class _ProfileScreenState extends ConsumerState<ProfileScreen> {
);
}
Widget _buildAvatarCard(BuildContext context, AsyncValue profileAsync) {
final theme = Theme.of(context);
final colors = theme.colorScheme;
final profile = profileAsync.valueOrNull;
final avatarUrl = profile?.avatarUrl;
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Profile Photo', style: theme.textTheme.titleMedium),
const SizedBox(height: 16),
Center(
child: Stack(
children: [
CircleAvatar(
radius: 56,
backgroundColor: colors.surfaceContainerHighest,
backgroundImage: avatarUrl != null
? NetworkImage(avatarUrl)
: null,
child: avatarUrl == null
? Icon(
Icons.person,
size: 48,
color: colors.onSurfaceVariant,
)
: null,
),
if (_uploadingAvatar)
const Positioned.fill(
child: Center(child: CircularProgressIndicator()),
),
],
),
),
const SizedBox(height: 12),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
FilledButton.tonalIcon(
onPressed: _uploadingAvatar
? null
: () => _pickAvatar(ImageSource.gallery),
icon: const Icon(Icons.photo_library),
label: const Text('Upload'),
),
if (!kIsWeb) ...[
const SizedBox(width: 12),
FilledButton.tonalIcon(
onPressed: _uploadingAvatar
? null
: () => _pickAvatar(ImageSource.camera),
icon: const Icon(Icons.camera_alt),
label: const Text('Camera'),
),
],
],
),
],
),
),
);
}
Widget _buildFaceEnrollmentCard(
BuildContext context,
AsyncValue profileAsync,
) {
final theme = Theme.of(context);
final colors = theme.colorScheme;
final profile = profileAsync.valueOrNull;
final hasFace = profile?.hasFaceEnrolled ?? false;
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Face Verification', style: theme.textTheme.titleMedium),
const SizedBox(height: 8),
Text(
'Enroll your face for attendance verification. '
'A liveness check (blink detection) is required before enrollment.',
style: theme.textTheme.bodySmall?.copyWith(
color: colors.onSurfaceVariant,
),
),
const SizedBox(height: 16),
// Face enrollment status
Row(
children: [
Icon(
hasFace ? Icons.check_circle : Icons.cancel,
color: hasFace ? Colors.green : colors.error,
),
const SizedBox(width: 8),
Expanded(
child: Text(
hasFace
? 'Face enrolled (${profile!.faceEnrolledAt != null ? _formatDate(profile.faceEnrolledAt!) : "unknown"})'
: 'Face not enrolled',
style: theme.textTheme.bodyMedium,
),
),
],
),
const SizedBox(height: 12),
FilledButton.icon(
onPressed: _enrollingFace ? null : _enrollFace,
icon: _enrollingFace
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: const Icon(Icons.face),
label: Text(hasFace ? 'Re-enroll Face' : 'Enroll Face'),
),
// Test Facial Recognition
const SizedBox(height: 16),
const Divider(),
const SizedBox(height: 12),
Text('Test Facial Recognition', style: theme.textTheme.titleSmall),
const SizedBox(height: 4),
Text(
hasFace
? 'Run a liveness check and compare with your enrolled face.'
: 'Enroll your face first to test facial recognition.',
style: theme.textTheme.bodySmall?.copyWith(
color: colors.onSurfaceVariant,
),
),
const SizedBox(height: 8),
OutlinedButton.icon(
onPressed: hasFace ? _testFacialRecognition : null,
icon: const Icon(Icons.face_retouching_natural),
label: const Text('Test Facial Recognition'),
),
],
),
),
);
}
String _formatDate(DateTime dt) {
return '${dt.year}-${dt.month.toString().padLeft(2, '0')}-${dt.day.toString().padLeft(2, '0')}';
}
Future<void> _pickAvatar(ImageSource source) async {
try {
final xFile = await _imagePicker.pickImage(
source: source,
maxWidth: 512,
maxHeight: 512,
imageQuality: 85,
);
if (xFile == null) return;
setState(() => _uploadingAvatar = true);
final bytes = await xFile.readAsBytes();
final ext = xFile.name.split('.').last;
final userId = ref.read(currentUserIdProvider);
if (userId == null) return;
await ref
.read(profileControllerProvider)
.uploadAvatar(userId: userId, bytes: bytes, fileName: 'avatar.$ext');
ref.invalidate(currentProfileProvider);
if (mounted) showSuccessSnackBar(context, 'Avatar updated.');
} catch (e) {
if (mounted) showErrorSnackBar(context, 'Failed to upload avatar: $e');
} finally {
if (mounted) setState(() => _uploadingAvatar = false);
}
}
/// Face enrollment via liveness detection (works on both mobile and web).
/// Mobile: uses flutter_liveness_check with blink detection.
/// Web: uses face-api.js with camera and blink detection.
/// Falls back to QR cross-device flow if web camera is unavailable.
Future<void> _enrollFace() async {
if (!mounted) return;
setState(() => _enrollingFace = true);
try {
final result = await face.runFaceLiveness(context);
if (result == null) {
// Cancelled or failed — on web, offer QR fallback
if (kIsWeb && mounted) {
final useQr = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Camera unavailable?'),
content: const Text(
'If your camera did not work, you can enroll via your mobile device instead.',
),
actions: [
TextButton(
onPressed: () => Navigator.of(ctx).pop(false),
child: const Text('Cancel'),
),
FilledButton(
onPressed: () => Navigator.of(ctx).pop(true),
child: const Text('Use Mobile'),
),
],
),
);
if (useQr == true && mounted) {
final completed = await showQrVerificationDialog(
context: context,
ref: ref,
type: 'enrollment',
);
if (completed) ref.invalidate(currentProfileProvider);
}
}
return;
}
// Upload the captured face photo
final userId = ref.read(currentUserIdProvider);
if (userId == null) return;
await ref
.read(profileControllerProvider)
.uploadFacePhoto(
userId: userId,
bytes: result.imageBytes,
fileName: 'face.jpg',
);
ref.invalidate(currentProfileProvider);
if (mounted) showSuccessSnackBar(context, 'Face enrolled successfully.');
} catch (e) {
if (mounted) showErrorSnackBar(context, 'Face enrollment failed: $e');
} finally {
if (mounted) setState(() => _enrollingFace = false);
}
}
/// Test facial recognition: run liveness + compare with enrolled face.
Future<void> _testFacialRecognition() async {
final profile = ref.read(currentProfileProvider).valueOrNull;
if (profile == null || !profile.hasFaceEnrolled) {
if (mounted) {
showWarningSnackBar(context, 'Please enroll your face first.');
}
return;
}
try {
final result = await face.runFaceLiveness(context);
if (result == null || !mounted) return;
// Download enrolled photo via Supabase (authenticated, private bucket)
final enrolledBytes = await ref
.read(profileControllerProvider)
.downloadFacePhoto(profile.id);
if (enrolledBytes == null || !mounted) {
if (mounted) {
showErrorSnackBar(context, 'Could not load enrolled face photo.');
}
return;
}
// Compare captured vs enrolled
final score = await face.compareFaces(result.imageBytes, enrolledBytes);
if (!mounted) return;
if (score >= 0.60) {
showSuccessSnackBar(
context,
'Face matched! Similarity: ${(score * 100).toStringAsFixed(1)}%',
);
} else {
showWarningSnackBar(
context,
'Face did not match. Similarity: ${(score * 100).toStringAsFixed(1)}%',
);
}
} catch (e) {
if (mounted) showErrorSnackBar(context, 'Recognition test failed: $e');
}
}
Future<void> _onSaveDetails() async {
if (!_detailsKey.currentState!.validate()) return;
final id = ref.read(currentUserIdProvider);