From a190f7de088ce2ef315714d954763a4c01408b29 Mon Sep 17 00:00:00 2001
From: Krille <christian-pauly@posteo.de>
Date: Fri, 8 Dec 2023 10:17:21 +0100
Subject: [PATCH] feat: Display migration notification

---
 assets/l10n/intl_en.arb       |  4 ++-
 lib/utils/client_manager.dart | 56 ++++++++++++++++++++++++++++++++++-
 2 files changed, 58 insertions(+), 2 deletions(-)

diff --git a/assets/l10n/intl_en.arb b/assets/l10n/intl_en.arb
index e130b67c..739ac510 100644
--- a/assets/l10n/intl_en.arb
+++ b/assets/l10n/intl_en.arb
@@ -2549,5 +2549,7 @@
   "groupCanBeFoundViaSearch": "Group can be found via search",
   "wrongRecoveryKey": "Sorry... this does not seem to be the correct recovery key.",
   "startConversation": "Start conversation",
-  "commandHint_sendraw": "Send raw json"
+  "commandHint_sendraw": "Send raw json",
+  "databaseMigrationTitle": "Database is optimized",
+  "databaseMigrationBody": "Please wait. This may take a moment."
 }
diff --git a/lib/utils/client_manager.dart b/lib/utils/client_manager.dart
index b7cd9a13..335706ea 100644
--- a/lib/utils/client_manager.dart
+++ b/lib/utils/client_manager.dart
@@ -1,11 +1,19 @@
-import 'package:flutter/foundation.dart';
+import 'dart:io';
+import 'dart:ui';
 
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:matrix/encryption/utils/key_verification.dart';
 import 'package:matrix/matrix.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:universal_html/html.dart' as html;
 
+import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/utils/custom_http_client.dart';
 import 'package:fluffychat/utils/custom_image_resizer.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/flutter_hive_collections_database.dart';
@@ -37,18 +45,26 @@ abstract class ClientManager {
     }
     final clients = clientNames.map(createClient).toList();
     if (initialize) {
+      FlutterLocalNotificationsPlugin? flutterLocalNotificationsPlugin;
       await Future.wait(
         clients.map(
           (client) => client
               .init(
                 waitForFirstSync: false,
                 waitUntilLoadCompletedLoaded: false,
+                onMigration: () {
+                  sendMigrationNotification(
+                    flutterLocalNotificationsPlugin ??=
+                        FlutterLocalNotificationsPlugin(),
+                  );
+                },
               )
               .catchError(
                 (e, s) => Logs().e('Unable to initialize client', e, s),
               ),
         ),
       );
+      flutterLocalNotificationsPlugin?.cancel(0);
     }
     if (clients.length > 1 && clients.any((c) => !c.isLogged())) {
       final loggedOutClients = clients.where((c) => !c.isLogged()).toList();
@@ -114,4 +130,42 @@ abstract class ClientManager {
       enableDehydratedDevices: true,
     );
   }
+
+  static void sendMigrationNotification(
+    FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin,
+  ) async {
+    final l10n = lookupL10n(Locale(Platform.localeName));
+
+    if (kIsWeb) {
+      html.Notification(
+        l10n.databaseMigrationTitle,
+        body: l10n.databaseMigrationBody,
+      );
+    }
+
+    await flutterLocalNotificationsPlugin.initialize(
+      const InitializationSettings(
+        android: AndroidInitializationSettings('notifications_icon'),
+        iOS: DarwinInitializationSettings(),
+      ),
+    );
+
+    flutterLocalNotificationsPlugin.show(
+      0,
+      l10n.databaseMigrationTitle,
+      l10n.databaseMigrationBody,
+      const NotificationDetails(
+        android: AndroidNotificationDetails(
+          AppConfig.pushNotificationsChannelId,
+          AppConfig.pushNotificationsChannelName,
+          channelDescription: AppConfig.pushNotificationsChannelDescription,
+          importance: Importance.max,
+          priority: Priority.max,
+          fullScreenIntent: true, // To show notification popup
+          showProgress: true,
+        ),
+        iOS: DarwinNotificationDetails(),
+      ),
+    );
+  }
 }