Support rudimentary account switching

lib/globals.dart

@@ -5,6 +5,10 @@ import 'package:flutter/material.dart';
 import 'package:get_it/get_it.dart';
 import 'package:uuid/uuid.dart';
 
+import 'data/interfaces/connections_repo_intf.dart';
+import 'services/notifications_manager.dart';
+import 'services/timeline_manager.dart';
+
 final getIt = GetIt.instance;
 
 String randomId() => const Uuid().v4().toString();
@@ -83,3 +87,9 @@ Future<String?> showChooseOptions(
     },
   );
 }
+
+void clearCaches() {
+  getIt<TimelineManager>().clear();
+  getIt<IConnectionsRepo>().clear();
+  getIt<NotificationsManager>().clear();
+}

lib/routes.dart

@@ -36,6 +36,7 @@ class ScreenPaths {
   static String profile = '/profile';
   static String notifications = '/notifications';
   static String signin = '/signin';
+  static String switchProfiles = '/switchProfiles';
   static String signup = '/signup';
   static String userProfile = '/user_profile';
   static String userPosts = '/user_posts';
@@ -73,6 +74,11 @@ final appRouter = GoRouter(
         name: ScreenPaths.signin,
         builder: (context, state) => SignInScreen(),
       ),
+      GoRoute(
+        path: ScreenPaths.switchProfiles,
+        name: ScreenPaths.switchProfiles,
+        builder: (context, state) => SignInScreen(),
+      ),
       GoRoute(
         path: ScreenPaths.contacts,
         name: ScreenPaths.contacts,

lib/screens/menus_screen.dart

@@ -2,11 +2,8 @@ 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/notifications_manager.dart';
-import '../services/timeline_manager.dart';
 
 class MenusScreen extends StatelessWidget {
   static const menuButtonWidth = 350.0;
@@ -25,9 +22,7 @@ class MenusScreen extends StatelessWidget {
         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();
+          clearCaches();
         }
       }),
     ];

lib/screens/profile_screen.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
 import 'package:provider/provider.dart';
 import 'package:relatica/controls/padding.dart';
+import 'package:relatica/routes.dart';
 
 import '../controls/standard_appbar.dart';
 import '../globals.dart';
@@ -41,7 +43,13 @@ class _ProfileScreenState extends State<ProfileScreen> {
                     await getIt<AccountsService>().signOut(profile);
                   }
                 },
-                child: const Text('Logout'))
+                child: const Text('Logout')),
+            const VerticalPadding(),
+            ElevatedButton(
+                onPressed: () async {
+                  context.pushNamed(ScreenPaths.switchProfiles);
+                },
+                child: const Text('Switch Profile'))
           ],
         ),
       ),

lib/screens/sign_in.dart

@@ -1,5 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
 import 'package:relatica/models/auth/basic_credentials.dart';
+import 'package:relatica/routes.dart';
 import 'package:string_validator/string_validator.dart';
 
 import '../controls/padding.dart';
@@ -22,18 +24,20 @@ class _SignInScreenState extends State<SignInScreen> {
   @override
   void initState() {
     super.initState();
-    final profiles = getIt<AccountsService>().loggedOutProfiles;
-    if (profiles.isEmpty) {
-      return;
+    final service = getIt<AccountsService>();
+    if (service.loggedIn) {
+      usernameController.text = service.currentProfile.username;
+      passwordController.text =
+          (service.currentProfile.credentials as BasicCredentials).password;
+      serverNameController.text = service.currentProfile.serverName;
     }
-    final credentials = profiles.first.credentials as BasicCredentials;
-    usernameController.text = credentials.username;
-    passwordController.text = credentials.password;
-    serverNameController.text = credentials.serverName;
   }
 
   @override
   Widget build(BuildContext context) {
+    final service = getIt<AccountsService>();
+    final loggedInProfiles = service.loggedInProfiles;
+    final loggedOutProfiles = service.loggedOutProfiles;
     return Scaffold(
       appBar: AppBar(
         title: const Text('Sign In'),
@@ -127,6 +131,61 @@ class _SignInScreenState extends State<SignInScreen> {
                   onPressed: () => _signIn(context),
                   child: const Text('Signin'),
                 ),
+                const VerticalPadding(),
+                const Text('Logged out:'),
+                Expanded(
+                  flex: 1,
+                  child: ListView.separated(
+                    itemBuilder: (context, index) {
+                      final p = loggedOutProfiles[index];
+                      return ListTile(
+                        onTap: () {
+                          setState(() {
+                            serverNameController.text = p.serverName;
+                            usernameController.text = p.username;
+                            passwordController.text =
+                                (p.credentials as BasicCredentials).password;
+                          });
+                        },
+                        title: Text(p.handle),
+                        subtitle: Text(p.id),
+                      );
+                    },
+                    separatorBuilder: (_, __) => const Divider(),
+                    itemCount: loggedOutProfiles.length,
+                  ),
+                ),
+                const VerticalPadding(),
+                const Text('Logged in:'),
+                Expanded(
+                  flex: 1,
+                  child: ListView.separated(
+                    itemBuilder: (context, index) {
+                      final p = loggedInProfiles[index];
+                      final active = service.loggedIn
+                          ? p.id == service.currentProfile.id
+                          : false;
+                      return ListTile(
+                        onTap: () async {
+                          await service.setActiveProfile(p);
+                          if (mounted) {
+                            clearCaches();
+                            context.goNamed(ScreenPaths.timelines);
+                          }
+                        },
+                        title: Text(
+                          p.handle,
+                          style: active
+                              ? const TextStyle(fontWeight: FontWeight.bold)
+                              : null,
+                        ),
+                        subtitle: Text(p.id),
+                      );
+                    },
+                    separatorBuilder: (_, __) => const Divider(),
+                    itemCount: loggedInProfiles.length,
+                  ),
+                ),
               ],
             ),
           ),
@@ -143,9 +202,13 @@ class _SignInScreenState extends State<SignInScreen> {
           serverName: serverNameController.text);
 
       final result = await getIt<AccountsService>().signIn(creds);
+      if (!mounted) {
+        return;
+      }
       if (result.isFailure) {
         buildSnackbar(context, 'Error signing in: ${result.error}');
       }
+      context.goNamed(ScreenPaths.timelines);
     }
   }
 }