make NotificationsController work off of rowIds

lib/controllers/contextual_event.dart

@@ -1,17 +1,16 @@
 import "package:flutter_riverpod/flutter_riverpod.dart";
-import "package:nexus/models/event.dart";
 
-class ContextualEventController(String? _) extends Notifier<Event?> {
+class ContextualEventController(String? _) extends Notifier<int?> {
   @override
-  Event? build() => null;
+  int? build() => null;
 
-  void set(Event? event) => state = event;
+  void set(int? event) => state = event;
 
   @override
   bool updateShouldNotify(_, _) => true;
 
   static final provider = NotifierProvider.family
-      .autoDispose<ContextualEventController, Event?, String?>(
+      .autoDispose<ContextualEventController, int?, String?>(
         ContextualEventController.new,
       );
 }

lib/controllers/notification.dart

@@ -31,12 +31,14 @@ class NotificationController
           macOS: darwin,
         ),
         onDidReceiveNotificationResponse: (details) {
-          if (details.payload case final eventId?) {
+          if (details.payload == null) return;
+
+          if (int.tryParse(details.payload!) case final rowId?) {
             if (navigatorKey.currentContext case final context?) {
               Navigator.of(context).push(
                 MaterialPageRoute(
                   builder: (_) => NotificationsPage(
-                    highlightedEventId: eventId,
+                    highlightedEvent: rowId,
                     defaultToAllNotifications: true,
                   ),
                 ),
@@ -55,17 +57,17 @@ class NotificationController
           return;
         }
 
-        final eventId = call.arguments as String;
-
-        if (navigatorKey.currentContext case final context?) {
-          Navigator.of(context).push(
-            MaterialPageRoute(
-              builder: (_) => NotificationsPage(
-                highlightedEventId: eventId,
-                defaultToAllNotifications: true,
+        if (int.tryParse(call.arguments) case int rowId) {
+          if (navigatorKey.currentContext case final context?) {
+            Navigator.of(context).push(
+              MaterialPageRoute(
+                builder: (_) => NotificationsPage(
+                  highlightedEvent: rowId,
+                  defaultToAllNotifications: true,
+                ),
               ),
-            ),
-          );
+            );
+          }
         }
       });
 

lib/controllers/notifications.dart

@@ -1,33 +1,61 @@
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/client.dart";
+import "package:nexus/controllers/rooms.dart";
 import "package:nexus/models/event.dart";
 
 typedef NotificationsRequest = (UnreadType? unreadType, String? roomId);
 
 class NotificationsController([final NotificationsRequest? request])
-    extends AsyncNotifier<IList<Event>> {
+    extends AsyncNotifier<IList<(int, String)>> {
+  static const virtualRoomId = "!notifications";
+
   @override
-  Future<IList<Event>> build() async {
+  Future<IList<(int, String)>> build() async {
     final client = ref.read(ClientController.provider.notifier);
 
     final (unreadType, roomId) = request ?? (null, null);
 
-    return await client.getMentions(
+    final mentions = await client.getMentions(
       .new(
         maxTimestamp: .now(),
         unreadType: unreadType ?? .highlight,
         roomId: roomId,
       ),
     );
+
+    ref
+        .watch(RoomsController.provider.notifier)
+        .update(
+          .new({
+            virtualRoomId: .new(
+              events: IMap.fromIterable(
+                mentions,
+                keyMapper: (event) => event.rowId,
+              ),
+            ),
+          }),
+          .new(),
+        );
+
+    return .new(mentions.map((event) => (event.rowId, event.roomId)));
   }
 
   Future<void> loadOlder() async {
     final currentNotifications = await future;
     state = .loading();
     state = await .guard(() async {
-      final lastTs = currentNotifications.lastOrNull?.timestamp;
-      if (lastTs == null) return const .empty();
+      final lastNotification = currentNotifications.lastOrNull?.$1;
+      final lastTs = lastNotification == null
+          ? null
+          : ref.watch(
+              RoomsController.provider.select(
+                (rooms) =>
+                    rooms[virtualRoomId]?.events[lastNotification]?.timestamp,
+              ),
+            );
+
+      if (lastTs == null) return currentNotifications;
 
       final client = ref.read(ClientController.provider.notifier);
       final (unreadType, roomId) = request ?? (null, null);
@@ -40,14 +68,30 @@ class NotificationsController([final NotificationsRequest? request])
         ),
       );
 
-      return currentNotifications.addAll(newNotifications);
+      ref
+          .watch(RoomsController.provider.notifier)
+          .update(
+            .new({
+              virtualRoomId: .new(
+                events: IMap.fromIterable(
+                  newNotifications,
+                  keyMapper: (event) => event.rowId,
+                ),
+              ),
+            }),
+            .new(),
+          );
+
+      return currentNotifications.addAll(
+        newNotifications.map((event) => (event.rowId, event.roomId)),
+      );
     });
   }
 
   static final provider = AsyncNotifierProvider.family
       .autoDispose<
         NotificationsController,
-        IList<Event>,
+        IList<(int, String)>,
         NotificationsRequest?
       >(NotificationsController.new);
 }

lib/controllers/room_chat.dart

@@ -18,10 +18,7 @@ import "package:nexus/models/requests/send_message.dart";
 import "package:nexus/models/room.dart";
 import "package:nexus/models/room_chat.dart";
 
-typedef ChatParams = ({
-  String roomId,
-  ({int rowId, String eventId})? contextualEvent,
-});
+typedef ChatParams = ({String roomId, int? contextualEvent});
 
 class RoomChatController(final ChatParams info)
     extends AsyncNotifier<RoomChat?> {
@@ -47,7 +44,7 @@ class RoomChatController(final ChatParams info)
         .nonNulls
         .toIList();
     if (info.contextualEvent == null ||
-        timeline.contains(info.contextualEvent!.rowId)) {
+        timeline.contains(info.contextualEvent)) {
       ref.watch(
         RoomsController.provider.select(
           (rooms) =>
@@ -62,7 +59,10 @@ class RoomChatController(final ChatParams info)
       );
     } else {
       final context = await client.getEventContext(
-        .new(roomId: info.roomId, eventId: info.contextualEvent!.eventId),
+        .new(
+          roomId: info.roomId,
+          eventId: room.events[info.contextualEvent!]!.eventId,
+        ),
       );
 
       final events = context.before.add(context.event).addAll(context.after);

lib/controllers/unified_push.dart

@@ -91,7 +91,7 @@ class UnifiedPushController extends AsyncNotifier<bool> {
               id: event.eventId.hashCode & 0x7fffffff,
               title: roomMetadata.name ?? "New Event",
               icon: icon,
-              payload: event.eventId,
+              payload: event.rowId.toString(),
               body: switch (event.content) {
                 MessageContent(:final body?) ||
                 StickerContent(:final body) => body,