From fdb53454122026266c7cac9b6a5ccb5f90f70d8c Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Sat, 18 Sep 2021 11:24:21 +0200
Subject: [PATCH] feat: Allow loading of multiple clients in main.dart

---
 lib/main.dart                 | 29 +++++----------------
 lib/utils/client_manager.dart | 48 +++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 23 deletions(-)
 create mode 100644 lib/utils/client_manager.dart

diff --git a/lib/main.dart b/lib/main.dart
index 0177df27..90af2838 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -2,7 +2,7 @@
 import 'dart:async';
 
 import 'package:adaptive_theme/adaptive_theme.dart';
-import 'package:matrix/encryption/utils/key_verification.dart';
+import 'package:fluffychat/utils/client_manager.dart';
 import 'package:matrix/matrix.dart';
 import 'package:fluffychat/config/routes.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
@@ -18,7 +18,6 @@ import 'package:future_loading_dialog/future_loading_dialog.dart';
 import 'package:universal_html/html.dart' as html;
 import 'package:vrouter/vrouter.dart';
 
-import 'utils/matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
 import 'widgets/layouts/wait_for_login.dart';
 import 'widgets/lock_screen.dart';
 import 'widgets/matrix.dart';
@@ -35,27 +34,10 @@ void main() async {
   FlutterError.onError = (FlutterErrorDetails details) =>
       Zone.current.handleUncaughtError(details.exception, details.stack);
 
-  final client = Client(
-    PlatformInfos.clientName,
-    enableE2eeRecovery: true,
-    verificationMethods: {
-      KeyVerificationMethod.numbers,
-      if (PlatformInfos.isMobile || PlatformInfos.isLinux)
-        KeyVerificationMethod.emoji,
-    },
-    importantStateEvents: <String>{
-      'im.ponies.room_emotes', // we want emotes to work properly
-    },
-    databaseBuilder: FlutterMatrixHiveStore.hiveDatabaseBuilder,
-    supportedLoginTypes: {
-      AuthenticationTypes.password,
-      if (PlatformInfos.isMobile || PlatformInfos.isWeb) AuthenticationTypes.sso
-    },
-    compute: compute,
-  );
+  final clients = await ClientManager.getClients();
 
   if (PlatformInfos.isMobile) {
-    BackgroundPush.clientOnly(client);
+    BackgroundPush.clientOnly(clients.first);
   }
 
   final queryParameters = <String, String>{};
@@ -68,13 +50,14 @@ void main() async {
     () => runApp(PlatformInfos.isMobile
         ? AppLock(
             builder: (args) => FluffyChatApp(
-              client: client,
+              client: clients.first,
               queryParameters: queryParameters,
             ),
             lockScreen: LockScreen(),
             enabled: false,
           )
-        : FluffyChatApp(client: client, queryParameters: queryParameters)),
+        : FluffyChatApp(
+            client: clients.first, queryParameters: queryParameters)),
     SentryController.captureException,
   );
 }
diff --git a/lib/utils/client_manager.dart b/lib/utils/client_manager.dart
new file mode 100644
index 00000000..9d0c5acf
--- /dev/null
+++ b/lib/utils/client_manager.dart
@@ -0,0 +1,48 @@
+import 'dart:convert';
+
+import 'package:fluffychat/utils/platform_infos.dart';
+import 'package:flutter/foundation.dart';
+import 'package:matrix/encryption/utils/key_verification.dart';
+import 'package:matrix/matrix.dart';
+
+import 'famedlysdk_store.dart';
+import 'matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
+
+abstract class ClientManager {
+  static const String clientNamespace = 'im.fluffychat.store.clients';
+  static Future<List<Client>> getClients() async {
+    final store = Store();
+    final clientNames = <String>{PlatformInfos.clientName};
+    try {
+      final rawClientNames = await store.getItem(clientNamespace);
+      if (rawClientNames != null) {
+        final clientNamesList =
+            (jsonDecode(rawClientNames) as List).cast<String>();
+        clientNames.addAll(clientNamesList);
+      }
+    } catch (e, s) {
+      Logs().w('Client names in store are corrupted', e, s);
+    }
+    return clientNames
+        .map((clientName) => Client(
+              clientName,
+              enableE2eeRecovery: true,
+              verificationMethods: {
+                KeyVerificationMethod.numbers,
+                if (PlatformInfos.isMobile || PlatformInfos.isLinux)
+                  KeyVerificationMethod.emoji,
+              },
+              importantStateEvents: <String>{
+                'im.ponies.room_emotes', // we want emotes to work properly
+              },
+              databaseBuilder: FlutterMatrixHiveStore.hiveDatabaseBuilder,
+              supportedLoginTypes: {
+                AuthenticationTypes.password,
+                if (PlatformInfos.isMobile || PlatformInfos.isWeb)
+                  AuthenticationTypes.sso
+              },
+              compute: compute,
+            ))
+        .toList();
+  }
+}