small fixes

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

@@ -1,5 +1,3 @@
-import 'dart:async';
-
 import 'package:flutter/foundation.dart';
 
 import 'package:uuid/uuid.dart';
@@ -23,9 +21,6 @@ class MultiQuotationProvider extends ChangeNotifier {
   List<PaymentIntent>? _lastIntents;
   bool _lastPreviewOnly = false;
   Map<String, String>? _lastMetadata;
-  Timer? _autoRefreshTimer;
-
-  static const Duration _autoRefreshLead = Duration(seconds: 5);
 
   Resource<PaymentQuotes> get resource => _quotation;
   PaymentQuotes? get quotation => _quotation.data;
@@ -86,7 +81,6 @@ class MultiQuotationProvider extends ChangeNotifier {
         ? null
         : Map<String, String>.from(metadata);
 
-    _cancelAutoRefresh();
     _setResource(_quotation.copyWith(isLoading: true, error: null));
     try {
       final response = await MultiplePaymentsService.getQuotation(
@@ -102,7 +96,6 @@ class MultiQuotationProvider extends ChangeNotifier {
       _setResource(
         _quotation.copyWith(data: response, isLoading: false, error: null),
       );
-      _scheduleAutoRefresh();
     } catch (e) {
       _setResource(
         _quotation.copyWith(
@@ -131,7 +124,6 @@ class MultiQuotationProvider extends ChangeNotifier {
     _lastIntents = null;
     _lastPreviewOnly = false;
     _lastMetadata = null;
-    _cancelAutoRefresh();
     _quotation = Resource(data: null);
     notifyListeners();
   }
@@ -141,36 +133,8 @@ class MultiQuotationProvider extends ChangeNotifier {
     notifyListeners();
   }
 
-  void _scheduleAutoRefresh() {
-    _autoRefreshTimer?.cancel();
-    final expiresAt = quoteExpiresAt;
-    if (expiresAt == null) return;
-
-    final now = DateTime.now().toUtc();
-    var delay = expiresAt.difference(now) - _autoRefreshLead;
-    if (delay.isNegative) delay = Duration.zero;
-    _autoRefreshTimer = Timer(delay, _triggerAutoRefresh);
-  }
-
-  Future<void> _triggerAutoRefresh() async {
-    if (_quotation.isLoading) return;
-    final intents = _lastIntents;
-    if (intents == null || intents.isEmpty) return;
-    await quotePayments(
-      intents,
-      previewOnly: _lastPreviewOnly,
-      metadata: _lastMetadata,
-    );
-  }
-
-  void _cancelAutoRefresh() {
-    _autoRefreshTimer?.cancel();
-    _autoRefreshTimer = null;
-  }
-
   @override
   void dispose() {
-    _cancelAutoRefresh();
     super.dispose();
   }
 }