Face Recognition with Liveness Detection for Web Support

lib/widgets/face_verification_overlay.dart

@@ -26,8 +26,9 @@ class FaceVerificationResult {
 Future<FaceVerificationResult?> showFaceVerificationOverlay({
   required BuildContext context,
   required WidgetRef ref,
-  required String attendanceLogId,
+  String? attendanceLogId,
   int maxAttempts = 3,
+  bool uploadAttendanceResult = true,
 }) {
   return Navigator.of(context).push<FaceVerificationResult>(
     PageRouteBuilder(
@@ -35,6 +36,7 @@ Future<FaceVerificationResult?> showFaceVerificationOverlay({
       pageBuilder: (ctx, anim, secAnim) => _FaceVerificationOverlay(
         attendanceLogId: attendanceLogId,
         maxAttempts: maxAttempts,
+        uploadAttendanceResult: uploadAttendanceResult,
       ),
       transitionsBuilder: (ctx, anim, secAnim, child) {
         return FadeTransition(opacity: anim, child: child);
@@ -49,10 +51,12 @@ class _FaceVerificationOverlay extends ConsumerStatefulWidget {
   const _FaceVerificationOverlay({
     required this.attendanceLogId,
     required this.maxAttempts,
+    required this.uploadAttendanceResult,
   });
 
-  final String attendanceLogId;
+  final String? attendanceLogId;
   final int maxAttempts;
+  final bool uploadAttendanceResult;
 
   @override
   ConsumerState<_FaceVerificationOverlay> createState() =>
@@ -108,12 +112,14 @@ class _FaceVerificationOverlayState
     if (result == null) {
       if (!mounted) return;
       // Cancelled: on web offer QR, otherwise mark cancelled
-      if (kIsWeb) {
+      if (kIsWeb &&
+          widget.uploadAttendanceResult &&
+          widget.attendanceLogId != null) {
         final completed = await showQrVerificationDialog(
           context: context,
           ref: ref,
           type: 'verification',
-          contextId: widget.attendanceLogId,
+          contextId: widget.attendanceLogId!,
         );
         if (mounted) {
           Navigator.of(
@@ -213,11 +219,14 @@ class _FaceVerificationOverlayState
   }
 
   Future<void> _uploadResult(Uint8List bytes, String status) async {
+    if (!widget.uploadAttendanceResult || widget.attendanceLogId == null) {
+      return;
+    }
     try {
       await ref
           .read(attendanceControllerProvider)
           .uploadVerification(
-            attendanceId: widget.attendanceLogId,
+            attendanceId: widget.attendanceLogId!,
             bytes: bytes,
             fileName: 'verification.jpg',
             status: status,
@@ -226,11 +235,13 @@ class _FaceVerificationOverlayState
   }
 
   Future<void> _skipVerification(String reason) async {
-    try {
-      await ref
-          .read(attendanceControllerProvider)
-          .skipVerification(widget.attendanceLogId);
-    } catch (_) {}
+    if (widget.uploadAttendanceResult && widget.attendanceLogId != null) {
+      try {
+        await ref
+            .read(attendanceControllerProvider)
+            .skipVerification(widget.attendanceLogId!);
+      } catch (_) {}
+    }
     if (!mounted) return;
     setState(() {
       _phase = _Phase.cancelled;