migration to address book service

frontend/pweb/lib/utils/payment/label.dart

@@ -1,7 +1,10 @@
 import 'package:flutter/widgets.dart';
 
+import 'package:pshared/models/payment/methods/type.dart';
 import 'package:pshared/models/payment/type.dart';
 
+import 'package:pweb/utils/payment/masking.dart';
+
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
 
@@ -15,3 +18,15 @@ String getPaymentTypeLabel(BuildContext context, PaymentType type) {
     PaymentType.cryptoAddress => l10n.paymentTypeCryptoAddress,
   };
 }
+
+String? _displayString(PaymentMethod m) => switch (m.type) {
+  PaymentType.card => maskCardNumber(m.cardData?.pan),
+  PaymentType.bankAccount => m.bankAccountData?.accountNumber,
+  PaymentType.iban => m.ibanData?.iban,
+  PaymentType.wallet => m.walletData?.walletId,
+  PaymentType.cryptoAddress => m.cryptoAddressData?.address,
+};
+
+String getPaymentTypeDescription(BuildContext context, PaymentMethod m) {
+  return _displayString(m) ?? AppLocalizations.of(context)!.notSet;
+}