Add support for jumping to event links (#103)

Fixes #78.

Reviewed-on: #103

lib/controllers/contextual_event.dart

@@ -9,8 +9,8 @@ class ContextualEventController(String? _) extends Notifier<int?> {
   @override
   bool updateShouldNotify(_, _) => true;
 
-  static final provider = NotifierProvider.family
-      .autoDispose<ContextualEventController, int?, String?>(
+  static final provider =
+      NotifierProvider.family<ContextualEventController, int?, String?>(
         ContextualEventController.new,
       );
 }

lib/controllers/event.dart

@@ -16,11 +16,28 @@ class EventController(final GetEventRequest request)
       (event) => event.eventId == request.eventId,
     );
 
-    return event ??
-        await ref
-            .watch(ClientController.provider.notifier)
-            .getEvent(request)
-            .onError((_, _) => null);
+    if (event != null) return event;
+
+    final fetchedEvent = await ref
+        .watch(ClientController.provider.notifier)
+        .getEvent(request)
+        .onError((_, _) => null);
+
+    if (fetchedEvent != null) {
+      ref
+          .watch(RoomsController.provider.notifier)
+          .update(
+            .new({
+              request.roomId: .new(
+                events: .new({fetchedEvent.rowId: fetchedEvent}),
+              ),
+            }),
+          );
+
+      return fetchedEvent;
+    }
+
+    return null;
   }
 
   static final provider = AsyncNotifierProvider.family

lib/controllers/gomuks_listener.dart

@@ -59,7 +59,6 @@ class GomuksListenerController extends AsyncNotifier<void> {
                       .new({
                         event.roomId: .new(events: .new({event.rowId: event})),
                       }),
-                      .new(),
                     );
 
                 break;

lib/controllers/notifications.dart

@@ -35,7 +35,6 @@ class NotificationsController([final NotificationsRequest? request])
               ),
             ),
           }),
-          .new(),
         );
 
     return .new(mentions.map((event) => (event.rowId, event.roomId)));
@@ -79,7 +78,6 @@ class NotificationsController([final NotificationsRequest? request])
                 ),
               ),
             }),
-            .new(),
           );
 
       return currentNotifications.addAll(

lib/controllers/room_chat.dart

@@ -77,7 +77,6 @@ class RoomChatController(final ChatParams info)
                 ),
               ),
             }),
-            .new(),
           );
       return .new(
         timeline: .new(events.map((element) => element.rowId)),
@@ -149,7 +148,6 @@ class RoomChatController(final ChatParams info)
                 ),
               ),
             }),
-            .new(),
           );
     } else {
       final paginationResponse = await client.paginateManual(
@@ -173,7 +171,6 @@ class RoomChatController(final ChatParams info)
                 ),
               ),
             }),
-            .new(),
           );
 
       final eventRowIds = paginationResponse.events
@@ -274,7 +271,6 @@ class RoomChatController(final ChatParams info)
               clientSticky: .new({event.rowId}),
             ),
           }),
-          .new(),
         );
   }
 

lib/controllers/rooms.dart

@@ -33,7 +33,10 @@ class RoomsController extends Notifier<IMap<String, Room>> {
     .new(),
   );
 
-  void update(IMap<String, Room> rooms, ISet<String> leftRooms) {
+  void update(
+    IMap<String, Room> rooms, [
+    ISet<String> leftRooms = const ISet.empty(),
+  ]) {
     final merged = rooms.entries.fold(state, (acc, entry) {
       final roomId = entry.key;
       final incoming = entry.value;