redesigned payment page + a lot of fixes

frontend/pshared/lib/provider/payment/quotation/quotation.dart

@@ -13,9 +13,11 @@ import 'package:pshared/models/asset.dart';
 import 'package:pshared/models/payment/intent.dart';
 import 'package:pshared/models/payment/quote/quote.dart';
 import 'package:pshared/models/money.dart';
+import 'package:pshared/models/auto_refresh_mode.dart';
 import 'package:pshared/provider/organizations.dart';
 import 'package:pshared/provider/payment/amount.dart';
 import 'package:pshared/provider/payment/flow.dart';
+import 'package:pshared/provider/payment/auto_refresh.dart';
 import 'package:pshared/provider/recipient/provider.dart';
 import 'package:pshared/provider/recipient/pmethods.dart';
 import 'package:pshared/provider/resource.dart';
@@ -31,6 +33,8 @@ class QuotationProvider extends ChangeNotifier {
   bool _isLoaded = false;
   PaymentIntent? _lastIntent;
   final QuotationIntentBuilder _intentBuilder = QuotationIntentBuilder();
+  final AutoRefreshScheduler _autoRefresh = AutoRefreshScheduler();
+  AutoRefreshMode _autoRefreshMode = AutoRefreshMode.on;
 
   void update(
     OrganizationsProvider venue, 
@@ -59,6 +63,7 @@ class QuotationProvider extends ChangeNotifier {
   Exception? get error => _quotation.error;
   bool get canRefresh => _lastIntent != null;
   bool get isReady => _isLoaded && !_quotation.isLoading && _quotation.error == null;
+  AutoRefreshMode get autoRefreshMode => _autoRefreshMode;
 
   DateTime? get quoteExpiresAt {
     final expiresAtUnixMs = quotation?.fxQuote?.expiresAtUnixMs;
@@ -78,6 +83,14 @@ class QuotationProvider extends ChangeNotifier {
 
   void _setResource(Resource<PaymentQuote> quotation) {
     _quotation = quotation;
+    _syncAutoRefresh();
+    notifyListeners();
+  }
+
+  void setAutoRefreshMode(AutoRefreshMode mode) {
+    if (_autoRefreshMode == mode) return;
+    _autoRefreshMode = mode;
+    _syncAutoRefresh();
     notifyListeners();
   }
 
@@ -122,4 +135,24 @@ class QuotationProvider extends ChangeNotifier {
     final payload = jsonEncode(intent.toDTO().toJson());
     return Uuid().v5(Namespace.url.value, 'quote:$payload');
   }
+
+  void _syncAutoRefresh() {
+    final isEnabled = _autoRefreshMode == AutoRefreshMode.on;
+    _autoRefresh.setEnabled(isEnabled);
+    final canAutoRefresh = isEnabled && canRefresh;
+    _autoRefresh.sync(
+      isLoading: isLoading,
+      canRefresh: canAutoRefresh,
+      scheduledAt: quoteExpiresAt,
+      onRefresh: () async {
+        await refreshQuotation();
+      },
+    );
+  }
+
+  @override
+  void dispose() {
+    _autoRefresh.dispose();
+    super.dispose();
+  }
 }