Delete CakePay Auth-token if the API returns 401 (#3538)

* delete cakepay auth token on 401

* fix cakepay auth refresh

* fix Cake Pay error handling

lib/view_model/cake_pay/cake_pay_buy_card_view_model.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 
+import 'package:cake_wallet/cake_pay/src/cake_pay_exceptions.dart';
 import 'package:cake_wallet/order/order_provider_description.dart';
 import 'package:cake_wallet/order/order.dart';
 import 'package:cake_wallet/order/order_source_description.dart';
@@ -221,6 +222,8 @@ abstract class CakePayBuyCardViewModelBase with Store {
       orders.add(orderRecord);
       updateRemainingTime();
       _startExpirationTimer();
+    } on CakePayUnauthorizedException {
+      rethrow;
     } catch (e) {
       sendViewModel.state = FailureState(
           sendViewModel.translateErrorMessage(e, walletType, sendViewModel.wallet.currency));
@@ -275,8 +278,6 @@ abstract class CakePayBuyCardViewModelBase with Store {
     }
   }
 
-  Future<void> logout() async => await _cakePayService.logout();
-
   void _startExpirationTimer() {
     _timer?.cancel();
     _timer = Timer.periodic(Duration(seconds: 1), (_) {

lib/view_model/cake_pay/cake_pay_cards_list_view_model.dart

@@ -78,7 +78,6 @@ abstract class CakePayCardsListViewModelBase with Store {
       };
 
   String searchString;
-  String? username;
   int page;
 
   late Country _initialSelectedCountry;
@@ -87,6 +86,9 @@ abstract class CakePayCardsListViewModelBase with Store {
   late bool _initialDisplayDenominationsCards;
   late bool _initialDisplayCustomValueCards;
 
+  @observable
+  String? username;
+
   @observable
   List<CakePayCard> userCards;
 
@@ -189,12 +191,9 @@ abstract class CakePayCardsListViewModelBase with Store {
 
   @action
   Future<void> checkAuth() async {
-    authFuture = ObservableFuture(cakePayService.isLogged());
-
-    final logged = await authFuture!;
-    if (logged) {
-      username = await cakePayService.getUserEmail();
-    }
+    final logged = await cakePayService.isLogged();
+    username = logged ? await cakePayService.getUserEmail() : null;
+    authFuture = ObservableFuture.value(logged);
   }
 
   @action

lib/view_model/order_details_view_model.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:cake_wallet/buy/buy_provider_description.dart';
+import 'package:cake_wallet/cake_pay/src/cake_pay_exceptions.dart';
 import 'package:cake_wallet/cake_pay/src/models/cake_pay_order.dart';
 import 'package:cake_wallet/cake_pay/src/services/cake_pay_service.dart';
 import 'package:cake_wallet/core/utilities.dart';
@@ -64,6 +65,9 @@ abstract class OrderDetailsViewModelBase with Store {
   @observable
   ObservableList<StandartListItem> items;
 
+  @observable
+  bool isCakePaySessionExpired = false;
+
   final CakePayService cakePayService;
   final Box<Order> orders;
   OrderProvider? _provider;
@@ -74,7 +78,9 @@ abstract class OrderDetailsViewModelBase with Store {
   @action
   Future<void> _updateOrder() async {
     try {
-      if (_provider == null) return;
+      if (_provider == null || isCakePaySessionExpired) {
+        return;
+      }
 
       final updatedOrderObj = await _provider!.findOrderById(order.id);
       final updatedOrder = updatedOrderObj.$1;
@@ -95,6 +101,9 @@ abstract class OrderDetailsViewModelBase with Store {
       }
 
       _updateItems();
+    } on CakePayUnauthorizedException {
+      timer?.cancel();
+      isCakePaySessionExpired = true;
     } catch (e) {
       printV(e.toString());
     }