Complete refactoring SFM App Source Code

lib/product/utils/qr_utils.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
+import '../services/language_services.dart';
+
+class QRScanUtils {
+    QRScanUtils._init();
+  static QRScanUtils? _instance;
+  static QRScanUtils get instance => _instance ??= QRScanUtils._init();
+
+  Future<String> scanQR(BuildContext context) async {
+    String barcodeScanRes;
+    // Platform messages may fail, so we use a try/catch PlatformException.
+    try {
+      barcodeScanRes = await FlutterBarcodeScanner.scanBarcode(
+          '#ffffff', appLocalization(context).cancel_button_content, true, ScanMode.QR);
+    } on PlatformException {
+      barcodeScanRes = 'Failed to get platform version.';
+    }
+    return barcodeScanRes;
+  }
+
+  Map<String, dynamic> getQRData(String data) {
+    if (data.isEmpty) {
+      return {};
+    } else {
+      final parts = data.split('.');
+      return {
+        'group_id': parts.length == 2 ? parts[0] : '',
+        'group_name': parts.length == 2 ? parts[1] : '',
+      };
+    }
+  }
+}