From 1026d4c721546ff88a725a1605350e1d14aaef36 Mon Sep 17 00:00:00 2001
From: The one with the braid <info@braid.business>
Date: Wed, 10 Apr 2024 18:07:46 +0200
Subject: [PATCH] fix: migrate back to Hive on Linux

Signed-off-by: The one with the braid <info@braid.business>
---
 lib/utils/client_manager.dart                 |  7 +++-
 .../builder.dart                              | 34 +++++++++++++------
 2 files changed, 30 insertions(+), 11 deletions(-)

diff --git a/lib/utils/client_manager.dart b/lib/utils/client_manager.dart
index f798e8737..155cd48ed 100644
--- a/lib/utils/client_manager.dart
+++ b/lib/utils/client_manager.dart
@@ -22,6 +22,7 @@ import 'matrix_sdk_extensions/flutter_matrix_dart_sdk_database/builder.dart';
 
 abstract class ClientManager {
   static const String clientNamespace = 'im.fluffychat.store.clients';
+
   static Future<List<Client>> getClients({
     bool initialize = true,
     required SharedPreferences store,
@@ -113,7 +114,11 @@ abstract class ClientManager {
       },
       logLevel: kReleaseMode ? Level.warning : Level.verbose,
       databaseBuilder: flutterMatrixSdkDatabaseBuilder,
-      legacyDatabaseBuilder: FlutterHiveCollectionsDatabase.databaseBuilder,
+      // workaround : migrate back from SQLite to Hive on Linux
+      // Related : https://github.com/krille-chan/fluffychat/issues/972
+      legacyDatabaseBuilder: PlatformInfos.isLinux
+          ? (client) => flutterMatrixSdkDatabaseBuilder(client, isLegacy: true)
+          : FlutterHiveCollectionsDatabase.databaseBuilder,
       supportedLoginTypes: {
         AuthenticationTypes.password,
         AuthenticationTypes.sso,
diff --git a/lib/utils/matrix_sdk_extensions/flutter_matrix_dart_sdk_database/builder.dart b/lib/utils/matrix_sdk_extensions/flutter_matrix_dart_sdk_database/builder.dart
index 301d0c6ee..55d7fbedc 100644
--- a/lib/utils/matrix_sdk_extensions/flutter_matrix_dart_sdk_database/builder.dart
+++ b/lib/utils/matrix_sdk_extensions/flutter_matrix_dart_sdk_database/builder.dart
@@ -18,9 +18,15 @@ import 'cipher.dart';
 import 'sqlcipher_stub.dart'
     if (dart.library.io) 'package:sqlcipher_flutter_libs/sqlcipher_flutter_libs.dart';
 
-Future<DatabaseApi> flutterMatrixSdkDatabaseBuilder(Client client) async {
+Future<DatabaseApi> flutterMatrixSdkDatabaseBuilder(
+  Client client, {
+  bool isLegacy = false,
+}) async {
   MatrixSdkDatabase? database;
   try {
+    // unless it's the migration builder, always fall back onto Hive on Linux
+    if (PlatformInfos.isLinux && !isLegacy) throw UnimplementedError();
+
     database = await _constructDatabase(client);
     await database.open();
     return database;
@@ -34,15 +40,23 @@ Future<DatabaseApi> flutterMatrixSdkDatabaseBuilder(Client client) async {
           ),
         );
 
-    // Send error notification:
-    final l10n = lookupL10n(PlatformDispatcher.instance.locale);
-    ClientManager.sendInitNotification(
-      l10n.initAppError,
-      l10n.databaseBuildErrorBody(
-        AppConfig.newIssueUrl.toString(),
-        e.toString(),
-      ),
-    );
+    final bool hideErrorMessage = PlatformInfos.isLinux;
+    if (!hideErrorMessage) {
+      // Send error notification:
+      final l10n = lookupL10n(PlatformDispatcher.instance.locale);
+      ClientManager.sendInitNotification(
+        l10n.initAppError,
+        l10n.databaseBuildErrorBody(
+          AppConfig.newIssueUrl.toString(),
+          e.toString(),
+        ),
+      );
+    } else {
+      Logs().w(
+        'Linux database error using SQfLite. Due to many issues in this implementation, falling back to Hive.',
+        e,
+      );
+    }
 
     return FlutterHiveCollectionsDatabase.databaseBuilder(client);
   }