Add option to clear app cache (#571)

## Description Users can clear the app cache with the "ClearCache" activation code. https://user-images.githubusercontent.com/24459435/230214220-9c523a51-3693-4f4f-91c8-28fb5b4d372c.mov ## Related Tickets Closes #570
SharezoneApp · Apr 8, 2023 · 34c3149 · 34c3149
1 parent 22db31a
commit 34c3149
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Showing 5 changed files with 40 additions and 7 deletions.
diff --git a/app/lib/activation_code/src/bloc/enter_activation_code_bloc.dart b/app/lib/activation_code/src/bloc/enter_activation_code_bloc.dart
@@ -10,9 +10,14 @@ import 'package:analytics/analytics.dart';
 import 'package:app_functions/sharezone_app_functions.dart';
 import 'package:bloc_base/bloc_base.dart';
 import 'package:crash_analytics/crash_analytics.dart';
+import 'package:feature_discovery/feature_discovery.dart';
+import 'package:flutter/material.dart';
+import 'package:key_value_store/key_value_store.dart';
 import 'package:rxdart/rxdart.dart';
+import 'package:sharezone/blackboard/details/blackboard_details.dart';
 import 'package:sharezone/sharezone_plus/subscription_service/subscription_flag.dart';
 import 'package:sharezone_common/helper_functions.dart';
+
 import '../models/enter_activation_code_result.dart';
 import 'enter_activation_code_activator.dart';
 
@@ -23,6 +28,7 @@ class EnterActivationCodeBloc extends BlocBase {
   final _enterActivationCodeSubject =
       BehaviorSubject<EnterActivationCodeResult>();
   final SubscriptionEnabledFlag subscriptionEnabledFlag;
+  final KeyValueStore keyValueStore;
 
   String _lastEnteredValue;
 
@@ -31,6 +37,7 @@ class EnterActivationCodeBloc extends BlocBase {
     this.crashAnalytics,
     this.appFunctions,
     this.subscriptionEnabledFlag,
+    this.keyValueStore,
   ) {
     _changeEnterActivationCodeResult(NoDataEnterActivationCodeResult());
   }
@@ -44,9 +51,9 @@ class EnterActivationCodeBloc extends BlocBase {
   Function(EnterActivationCodeResult) get _changeEnterActivationCodeResult =>
       _enterActivationCodeSubject.sink.add;
 
-  Future<void> retry() async {
+  Future<void> retry(BuildContext context) async {
     if (_lastEnteredValue != null) {
-      return _enterValue(_lastEnteredValue);
+      return _enterValue(_lastEnteredValue, context);
     }
   }
 
@@ -60,15 +67,15 @@ class EnterActivationCodeBloc extends BlocBase {
     _lastEnteredValue = currentText;
   }
 
-  Future<void> submit() async {
-    _enterValue(_lastEnteredValue);
+  Future<void> submit(BuildContext context) async {
+    _enterValue(_lastEnteredValue, context);
   }
 
   bool get isValidActivationCodeID {
     return _lastEnteredValue != null && _lastEnteredValue.trim().isNotEmpty;
   }
 
-  Future<void> _enterValue(String enteredValue) async {
+  Future<void> _enterValue(String enteredValue, BuildContext context) async {
     if (isEmptyOrNull(enteredValue)) return;
     _lastEnteredValue = enteredValue;
 
@@ -83,12 +90,33 @@ class EnterActivationCodeBloc extends BlocBase {
       return;
     }
 
+    if (_lastEnteredValue.trim().toLowerCase() == 'clearcache') {
+      await _clearCache(context);
+      return;
+    }
+
     _changeEnterActivationCodeResult(LoadingEnterActivationCodeResult());
 
     final enterActivationCodeResult = await _runAppFunction(enteredValue);
     _changeEnterActivationCodeResult(enterActivationCodeResult);
   }
 
+  Future<void> _clearCache(BuildContext context) async {
+    await Future.wait([
+      keyValueStore.clear(),
+      FeatureDiscovery.clearPreferences(context, [
+        blackboardItemReadByUsersListFeatureDiscoveryStepId,
+      ]),
+    ]);
+
+    _changeEnterActivationCodeResult(
+      SuccessfullEnterActivationCodeResult(
+        'clear',
+        'Cache geleert. Möglicherweise ist ein App-Neustart notwendig, um die Änderungen zu sehen.',
+      ),
+    );
+  }
+
   Future<EnterActivationCodeResult> _runAppFunction(String value) {
     return enterActivationCodeFunction.activateCode(value);
   }

diff --git a/app/lib/activation_code/src/bloc/enter_activation_code_bloc_factory.dart b/app/lib/activation_code/src/bloc/enter_activation_code_bloc_factory.dart
@@ -10,6 +10,7 @@ import 'package:analytics/analytics.dart';
 import 'package:app_functions/sharezone_app_functions.dart';
 import 'package:bloc_base/bloc_base.dart';
 import 'package:crash_analytics/crash_analytics.dart';
+import 'package:key_value_store/key_value_store.dart';
 import 'package:meta/meta.dart';
 import 'package:sharezone/activation_code/src/bloc/enter_activation_code_bloc.dart';
 
@@ -20,12 +21,14 @@ class EnterActivationCodeBlocFactory extends BlocBase {
   final Analytics analytics;
   final SharezoneAppFunctions appFunctions;
   final SubscriptionEnabledFlag subscriptionEnabledFlag;
+  final KeyValueStore keyValueStore;
 
   EnterActivationCodeBlocFactory({
     @required this.analytics,
     @required this.crashAnalytics,
     @required this.appFunctions,
     @required this.subscriptionEnabledFlag,
+    @required this.keyValueStore,
   });
 
   EnterActivationCodeBloc createBloc() {
@@ -34,6 +37,7 @@ class EnterActivationCodeBlocFactory extends BlocBase {
       crashAnalytics,
       appFunctions,
       subscriptionEnabledFlag,
+      keyValueStore,
     );
   }
 

diff --git a/app/lib/activation_code/src/enter_activation_code_result_dialog.dart b/app/lib/activation_code/src/enter_activation_code_result_dialog.dart
@@ -48,7 +48,7 @@ class EnterActivationCodeResultDialog {
         actions: [
           ActionItem(
             title: "Nochmal versuchen",
-            onSelect: () => enterActivationCodeBloc.retry(),
+            onSelect: () => enterActivationCodeBloc.retry(context),
           ),
         ],
       );

diff --git a/app/lib/activation_code/src/widgets/enter_activation_code_text_field.dart b/app/lib/activation_code/src/widgets/enter_activation_code_text_field.dart
@@ -69,7 +69,7 @@ class EnterActivationCodeTextField extends StatelessWidget
   ) async {
     hideKeyboard(context: context);
     if (bloc.isValidActivationCodeID) {
-      bloc.submit();
+      bloc.submit(context);
       final dialog = EnterActivationCodeResultDialog(bloc);
       dialog.show(context);
     }

diff --git a/app/lib/blocs/sharezone_bloc_providers.dart b/app/lib/blocs/sharezone_bloc_providers.dart
@@ -407,6 +407,7 @@ class _SharezoneBlocProvidersState extends State<SharezoneBlocProviders> {
           analytics: analytics,
           appFunctions: api.references.functions,
           subscriptionEnabledFlag: subscriptionEnabledFlag,
+          keyValueStore: widget.blocDependencies.keyValueStore,
         ),
       ),
       BlocProvider<DownloadAppTipBloc>(