fixed payment methods serialization deserialization

frontend/pweb/lib/pages/address_book/form/page.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
 
+import 'package:collection/collection.dart';
+
 import 'package:provider/provider.dart';
 
 import 'package:pshared/models/payment/methods/data.dart';
@@ -14,11 +16,11 @@ import 'package:pshared/provider/recipient/provider.dart';
 import 'package:pweb/pages/address_book/form/view.dart';
 // import 'package:pweb/services/amplitude.dart';
 import 'package:pweb/utils/error/snackbar.dart';
-
-import 'package:pweb/generated/i18n/app_localizations.dart';
 import 'package:pweb/utils/payment/label.dart';
 import 'package:pweb/utils/snackbar.dart';
 
+import 'package:pweb/generated/i18n/app_localizations.dart';
+
 
 class AdressBookRecipientForm extends StatefulWidget {
   final Recipient? recipient;
@@ -71,18 +73,31 @@ class _AdressBookRecipientFormState extends State<AdressBookRecipientForm> {
   Future<Recipient?> _doSave() async {
     final recipients = context.read<RecipientsProvider>();
     final methods = context.read<PaymentMethodsProvider>();
-    final recipient = await recipients.create(
-      name: _nameCtrl.text,
-      email: _emailCtrl.text,
-    );
-    if (methods.currentObject == null) return recipient;
-    final data = methods.currentObject!;
-    await methods.create(
-      reacipientRef: recipient.id,
-      name: getPaymentTypeLabel(context, data.type),
-      data: data.data,
-    );
-    return recipient;
+    final recipient = widget.recipient == null
+      ? await recipients.create(
+          name: _nameCtrl.text,
+          email: _emailCtrl.text,
+        )
+      : widget.recipient!;
+    for (final type in _methods.keys) {
+      final data = _methods[type]!;
+      final exising = methods.methods.firstWhereOrNull((m) => m.type == type);
+      if (exising != null) {
+        await methods.updateMethod(exising.copyWith(data: data));
+      } else {
+        await methods.create(
+          reacipientRef: recipient.id,
+          name: getPaymentTypeLabel(context, type),
+          data: data,
+        );
+      }
+      await methods.create(
+        reacipientRef: recipient.id,
+        name: getPaymentTypeLabel(context, data.type),
+        data: data,
+      );
+      return recipient;
+    }
   }
 
   //TODO: Change when registration is ready