fix scanner, try catch export

lib/models/settings.dart

@@ -19,7 +19,7 @@ class Settings {
         chessTime = json['chess_time'] != null
             ? TimeConfig.fromJson(json['chess_time'])
             : null,
-        startedAt = DateTime.parse(json['startedAt']);
+        startedAt = DateTime.now();
 }
 
 class QueryConfig {

lib/services/export_service.dart

@@ -33,11 +33,17 @@ class ExportService {
 
   Future<int> exportData() async {
     Map<String, List<String>> body = await _loadRecords();
+    try {
       final response = await http.post(url,
           headers: <String, String>{
             'Content-Type': 'application/json; charset=UTF-8',
           },
           body: jsonEncode(body));
       return response.statusCode >= 400 ? 0 : 1;
+    } catch (e) {
+      // ignore: avoid_print
+      print(jsonEncode(body));
+      return 0;
+    }
   }
 }

lib/services/settings_service.dart

@@ -49,7 +49,6 @@ Future<List<String>?> _getStringListSetting(String settingKey) =>
 
 Future<void> loadSettingsFromLocalJSON() async {
   Map<String, dynamic> configJSON = await loadLocalConfigJSON();
-  configJSON['startedAt'] = DateTime.now().toIso8601String();
   Settings settings = Settings.fromJson(configJSON);
   saveSettings(settings);
 }
@@ -63,7 +62,7 @@ void saveSettings(Settings settings) {
   _setStringListSetting('sleep_query_days', settings.sleepQuery!.days!);
   _setIntSetting('sleep_query_hours', settings.sleepQuery!.hours!);
   _setIntSetting('sleep_query_minutes', settings.sleepQuery!.minutes!);
-  _setStringSetting('startedAt', DateTime.now().toIso8601String());
+  _setStringSetting('startedAt', settings.startedAt.toIso8601String());
   if (settings.chessTime != null) {
     _setIntSetting('chess_hours', settings.chessTime!.hours!);
     _setIntSetting('chess_minutes', settings.chessTime!.minutes!);

lib/widgets/scanner.dart

@@ -16,7 +16,8 @@ class MyScanner extends StatelessWidget {
   Widget build(BuildContext context) {
     SettingsProvider settingsProvider = context.watch<SettingsProvider>();
 
-    void handleSucces(String? rawValue) {
+    void handleSuccess(String? rawValue) {
+      print('in Success: $rawValue');
       String qrText = rawValue!;
       Map<String, dynamic> json = stringToJSON(qrText);
       Settings settings = Settings.fromJson(json);
@@ -49,10 +50,12 @@ class MyScanner extends StatelessWidget {
         final List<Barcode> barcodes = capture.barcodes;
         for (final barcode in barcodes) {
           if (barcode.rawValue != null) {
-            return handleSucces(barcode.rawValue);
+            print(barcode.rawValue);
+            return handleSuccess(barcode.rawValue);
           }
         }
       } catch (e) {
+        print(e);
         handleError();
       }
     }