Add user ability to purge memory and persistent caches

lib/data/interfaces/connections_repo_intf.dart

@@ -4,6 +4,10 @@ import '../../models/connection.dart';
 import '../../models/exec_error.dart';
 
 class IConnectionsRepo {
+  void clear() {
+    throw UnimplementedError();
+  }
+  
   bool addConnection(Connection connection) {
     throw UnimplementedError();
   }

lib/data/memory/memory_connections_repo.dart

@@ -9,6 +9,13 @@ class MemoryConnectionsRepo implements IConnectionsRepo {
   final _connectionsByName = <String, Connection>{};
   final _myContacts = <Connection>[];
 
+  @override
+  void clear() {
+    _connectionsById.clear();
+    _connectionsByName.clear();
+    _myContacts.clear();
+  }
+
   @override
   bool addAllConnections(Iterable<Connection> newConnections) {
     bool result = true;

lib/data/objectbox/objectbox_connections_repo.dart

@@ -16,6 +16,12 @@ class ObjectBoxConnectionsRepo implements IConnectionsRepo {
     box = getIt<ObjectBoxCache>().store.box<Connection>();
   }
 
+  @override
+  void clear() {
+    memCache.clear();
+    box.removeAll();
+  }
+
   @override
   bool addAllConnections(Iterable<Connection> newConnections) {
     memCache.addAllConnections(newConnections);
@@ -40,9 +46,10 @@ class ObjectBoxConnectionsRepo implements IConnectionsRepo {
     return _getConnection(
       Connection_.id.equals(id),
     ).mapError(
-      (error) => error.copy(
-        message: "Can't find Connection for ID: $id",
-      ),
+          (error) =>
+          error.copy(
+            message: "Can't find Connection for ID: $id",
+          ),
     );
   }
 
@@ -55,9 +62,10 @@ class ObjectBoxConnectionsRepo implements IConnectionsRepo {
     return _getConnection(
       Connection_.name.equals(name),
     ).mapError(
-      (error) => error.copy(
-        message: "Can't find Connection for ID: $name",
-      ),
+          (error) =>
+          error.copy(
+            message: "Can't find Connection for ID: $name",
+          ),
     );
   }
 
@@ -65,9 +73,9 @@ class ObjectBoxConnectionsRepo implements IConnectionsRepo {
   List<Connection> getKnownUsersByName(String name) {
     return box
         .query(
-          Connection_.name.contains(name, caseSensitive: false) |
-              Connection_.handle.contains(name, caseSensitive: false),
-        )
+      Connection_.name.contains(name, caseSensitive: false) |
+      Connection_.handle.contains(name, caseSensitive: false),
+    )
         .build()
         .find();
   }

lib/screens/menus_screen.dart

@@ -2,9 +2,12 @@ import 'package:flutter/material.dart';
 import 'package:go_router/go_router.dart';
 
 import '../controls/app_bottom_nav_bar.dart';
+import '../data/interfaces/connections_repo_intf.dart';
 import '../globals.dart';
 import '../routes.dart';
 import '../services/auth_service.dart';
+import '../services/notifications_manager.dart';
+import '../services/timeline_manager.dart';
 
 class MenusScreen extends StatelessWidget {
   static const menuButtonWidth = 350.0;
@@ -17,6 +20,15 @@ class MenusScreen extends StatelessWidget {
       buildMenuButton('Profile', () => context.pushNamed(ScreenPaths.profile)),
       buildMenuButton(
           'Settings', () => context.pushNamed(ScreenPaths.settings)),
+      buildMenuButton('Clear Caches', () async {
+        final confirm = await showYesNoDialog(
+            context, 'You want to clear all memory and disk cache data?');
+        if (confirm == true) {
+          getIt<TimelineManager>().clear();
+          getIt<IConnectionsRepo>().clear();
+          getIt<NotificationsManager>().clear();
+        }
+      }),
       buildMenuButton('Logout', () async {
         final confirm = await showYesNoDialog(context, 'Log out account?');
         if (confirm == true) {

lib/services/notifications_manager.dart

@@ -28,6 +28,10 @@ class NotificationsManager extends ChangeNotifier {
     return result;
   }
 
+  void clear() {
+    _notifications.clear();
+  }
+
   FutureResult<List<UserNotification>, ExecError> updateNotifications() async {
     final auth = getIt<AuthService>();
     final clientResult = auth.currentClient;