WIP: integration with ledger

frontend/pweb/lib/pages/dashboard/payouts/amount.dart

@@ -2,12 +2,13 @@ import 'package:flutter/material.dart';
 
 import 'package:provider/provider.dart';
 
+import 'package:pshared/controllers/payment/source.dart';
+import 'package:pshared/models/payment/source.dart';
 import 'package:pshared/provider/payment/amount.dart';
 import 'package:pshared/utils/currency.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 class PaymentAmountWidget extends StatefulWidget {
   const PaymentAmountWidget({super.key});
 
@@ -32,7 +33,8 @@ class _PaymentAmountWidgetState extends State<PaymentAmountWidget> {
     super.dispose();
   }
 
-  double? _parseAmount(String value) => double.tryParse(value.replaceAll(',', '.'));
+  double? _parseAmount(String value) =>
+      double.tryParse(value.replaceAll(',', '.'));
 
   void _syncTextWithAmount(double amount) {
     final parsedText = _parseAmount(_controller.text);
@@ -58,14 +60,28 @@ class _PaymentAmountWidgetState extends State<PaymentAmountWidget> {
 
   @override
   Widget build(BuildContext context) {
-    final amount = context.select<PaymentAmountProvider, double>((provider) => provider.amount);
+    final amount = context.select<PaymentAmountProvider, double>(
+      (provider) => provider.amount,
+    );
+    final source = context.watch<PaymentSourceController>().selectedSource;
     _syncTextWithAmount(amount);
+    final sourceCurrency = switch (source?.type) {
+      null => null,
+      PaymentSourceType.wallet => currencyCodeToString(
+        source!.wallet!.currency,
+      ),
+      PaymentSourceType.ledger =>
+        source!.ledgerAccount?.currency.trim().toUpperCase(),
+    };
+    final amountLabel = sourceCurrency == null || sourceCurrency.isEmpty
+        ? AppLocalizations.of(context)!.amount
+        : '${AppLocalizations.of(context)!.amount} ($sourceCurrency)';
 
     return TextField(
       controller: _controller,
       keyboardType: const TextInputType.numberWithOptions(decimal: true),
       decoration: InputDecoration(
-        labelText: AppLocalizations.of(context)!.amount,
+        labelText: amountLabel,
         border: const OutlineInputBorder(),
       ),
       onChanged: _onChanged,