fix: messages where opene even if the app is in the background

lib/src/database/daos/messages.dao.dart

@@ -161,18 +161,6 @@ class MessagesDao extends DatabaseAccessor<TwonlyDB> with _$MessagesDaoMixin {
     }
   }
 
-  Future<void> openedAllTextMessages(String groupId) {
-    final updates = MessagesCompanion(openedAt: Value(clock.now()));
-    return (update(messages)..where(
-          (t) =>
-              t.groupId.equals(groupId) &
-              t.senderId.isNotNull() &
-              t.openedAt.isNull() &
-              t.type.equals(MessageType.text.name),
-        ))
-        .write(updates);
-  }
-
   Future<void> handleMessageDeletion(
     int? contactId,
     String messageId,
@@ -184,8 +172,8 @@ class MessagesDao extends DatabaseAccessor<TwonlyDB> with _$MessagesDaoMixin {
       return;
     }
     if (msg.mediaId != null && contactId != null) {
-      final otherMessagesWithSameMedia = await (select(messages)
+      final otherMessagesWithSameMedia =
-            ..where(
+          await (select(messages)..where(
                 (t) =>
                     t.mediaId.equals(msg.mediaId!) &
                     t.messageId.equals(messageId).not(),

lib/src/visual/views/chats/chat_messages.view.dart

@@ -6,6 +6,7 @@ import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:go_router/go_router.dart';
 import 'package:mutex/mutex.dart';
 import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';
+import 'package:twonly/globals.dart';
 import 'package:twonly/locator.dart';
 import 'package:twonly/src/constants/routes.keys.dart';
 import 'package:twonly/src/database/daos/contacts.dao.dart';
@@ -36,7 +37,7 @@ class ChatMessagesView extends StatefulWidget {
   State<ChatMessagesView> createState() => _ChatMessagesViewState();
 }
 
-class _ChatMessagesViewState extends State<ChatMessagesView> {
+class _ChatMessagesViewState extends State<ChatMessagesView> with WidgetsBindingObserver {
   HashSet<int> alreadyReportedOpened = HashSet<int>();
   late StreamSubscription<Group?> userSub;
   late StreamSubscription<List<Message>> messageSub;
@@ -64,6 +65,7 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
   void initState() {
     super.initState();
     textFieldFocus = FocusNode();
+    WidgetsBinding.instance.addObserver(this);
     initStreams();
   }
 
@@ -74,11 +76,26 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
     contactSub?.cancel();
     groupActionsSub?.cancel();
     _nextTypingIndicator?.cancel();
+    WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
 
   Mutex protectMessageUpdating = Mutex();
 
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) {
+      protectMessageUpdating.protect(() async {
+        await setMessages(allMessages, groupActions);
+      });
+    }
+  }
+
+  bool _isViewActive() {
+    return !AppState.isAppInBackground &&
+        (ModalRoute.of(context)?.isCurrent ?? false);
+  }
+
   Future<void> initStreams() async {
     final groupStream = twonlyDB.groupsDao.watchGroup(widget.groupId);
     userSub = groupStream.listen((newGroup) {
@@ -137,7 +154,9 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
     List<Message> newMessages,
     List<GroupHistory> groupActions,
   ) async {
+    if (_isViewActive()) {
       await flutterLocalNotificationsPlugin.cancelAll();
+    }
 
     final chatItems = <ChatItem>[];
     final storedMediaFiles = <Message>[];
@@ -189,12 +208,14 @@ class _ChatMessagesViewState extends State<ChatMessagesView> {
       }
     }
 
+    if (_isViewActive()) {
       for (final contactId in openedMessages.keys) {
         await notifyContactAboutOpeningMessage(
           contactId,
           openedMessages[contactId]!,
         );
       }
+    }
 
     if (!mounted) return;
     setState(() {

lib/src/visual/views/chats/media_viewer.view.dart

@@ -10,6 +10,7 @@ import 'package:lottie/lottie.dart';
 import 'package:mutex/mutex.dart';
 import 'package:no_screenshot/no_screenshot.dart';
 import 'package:photo_view/photo_view.dart';
+import 'package:twonly/globals.dart';
 import 'package:twonly/locator.dart';
 import 'package:twonly/src/constants/routes.keys.dart';
 import 'package:twonly/src/database/daos/contacts.dao.dart';
@@ -46,7 +47,8 @@ class MediaViewerView extends StatefulWidget {
   State<MediaViewerView> createState() => _MediaViewerViewState();
 }
 
-class _MediaViewerViewState extends State<MediaViewerView> {
+class _MediaViewerViewState extends State<MediaViewerView>
+    with WidgetsBindingObserver {
   Timer? nextMediaTimer;
   Timer? progressTimer;
 
@@ -87,6 +89,7 @@ class _MediaViewerViewState extends State<MediaViewerView> {
     if (widget.initialMessage != null) {
       allMediaFiles = [widget.initialMessage!];
     }
+    WidgetsBinding.instance.addObserver(this);
 
     asyncLoadNextMedia(true);
   }
@@ -101,11 +104,28 @@ class _MediaViewerViewState extends State<MediaViewerView> {
     final tmp = videoController;
     videoController = null;
     tmp?.dispose();
+    WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }
 
   final Mutex _messageUpdateLock = Mutex();
 
+  @override
+  void didChangeAppLifecycleState(AppLifecycleState state) {
+    if (state == AppLifecycleState.resumed) {
+      _messageUpdateLock.protect(() async {
+        if (currentMedia == null && allMediaFiles.isNotEmpty) {
+          await loadCurrentMediaFile();
+        }
+      });
+    }
+  }
+
+  bool _isViewActive() {
+    return !AppState.isAppInBackground &&
+        (ModalRoute.of(context)?.isCurrent ?? false);
+  }
+
   Future<void> asyncLoadNextMedia(bool firstRun) async {
     _subscription = twonlyDB.messagesDao
         .watchMediaNotOpened(widget.group.groupId)
@@ -195,7 +215,9 @@ class _MediaViewerViewState extends State<MediaViewerView> {
       showSendTextMessageInput = false;
     });
 
+    if (_isViewActive()) {
       unawaited(flutterLocalNotificationsPlugin.cancelAll());
+    }
 
     final stream = twonlyDB.mediaFilesDao.watchMedia(
       allMediaFiles.first.mediaId!,