From 94f0d9e3465225cfad8a5acc915ff706e2e35783 Mon Sep 17 00:00:00 2001
From: Henry-Hiles <henry@henryhiles.com>
Date: Sat, 16 May 2026 11:33:38 -0400
Subject: [PATCH] add reaction content type

---
 lib/controllers/room_chat_controller.dart | 28 ++++-------------------
 lib/models/content/content.dart           |  2 ++
 lib/models/content/reaction.dart          | 16 +++++++++++++
 3 files changed, 22 insertions(+), 24 deletions(-)
 create mode 100644 lib/models/content/reaction.dart

diff --git a/lib/controllers/room_chat_controller.dart b/lib/controllers/room_chat_controller.dart
index a9e838b..e99b5a2 100644
--- a/lib/controllers/room_chat_controller.dart
+++ b/lib/controllers/room_chat_controller.dart
@@ -20,12 +20,12 @@ import "package:nexus/models/requests/send_event_request.dart";
 import "package:nexus/models/requests/send_message_request.dart";
 import "package:nexus/models/room.dart";
 
-class RoomChatController extends AsyncNotifier<InMemoryChatController> {
+class RoomChatController extends AsyncNotifier<IList<Event>> {
   final String roomId;
   RoomChatController(this.roomId);
 
   @override
-  Future<InMemoryChatController> build() async {
+  Future<IList<Event>> build() async {
     final client = ref.watch(ClientController.provider.notifier);
     var room = ref.read(RoomsController.provider)[roomId];
     if (room == null) return InMemoryChatController();
@@ -204,7 +204,7 @@ class RoomChatController extends AsyncNotifier<InMemoryChatController> {
         RedactEventRequest(eventId: message.id, roomId: roomId, reason: reason),
       );
 
-  Future<bool> loadOlder([InMemoryChatController? chatController]) async {
+  Future<bool> loadOlder() async {
     final response = await ref
         .watch(ClientController.provider.notifier)
         .paginate(
@@ -239,26 +239,6 @@ class RoomChatController extends AsyncNotifier<InMemoryChatController> {
           addToNewEvents: false,
         );
 
-    final room = ref.read(RoomsController.provider)[roomId];
-    if (room != null) {
-      final messages = await ref.watch(
-        MessagesController.provider(
-          MessagesConfig(room: room, events: response.events.reversed),
-        ).future,
-      );
-
-      final controller = chatController ?? await future;
-      await controller.insertAllMessages(
-        messages
-            .where(
-              (newMessage) => !controller.messages.any(
-                (message) => message.id == newMessage.id,
-              ),
-            )
-            .toList(),
-        index: 0,
-      );
-    }
     return response.hasMore;
   }
 
@@ -381,7 +361,7 @@ class RoomChatController extends AsyncNotifier<InMemoryChatController> {
   }
 
   static final provider = AsyncNotifierProvider.family
-      .autoDispose<RoomChatController, InMemoryChatController, String>(
+      .autoDispose<RoomChatController, IList<Event>, String>(
         RoomChatController.new,
       );
 }
diff --git a/lib/models/content/content.dart b/lib/models/content/content.dart
index 9e145c1..ec729f5 100644
--- a/lib/models/content/content.dart
+++ b/lib/models/content/content.dart
@@ -10,6 +10,7 @@ import "package:nexus/models/content/message.dart";
 import "package:nexus/models/content/name.dart";
 import "package:nexus/models/content/pinned_events.dart";
 import "package:nexus/models/content/power_levels.dart";
+import "package:nexus/models/content/reaction.dart";
 import "package:nexus/models/content/server_acl.dart";
 import "package:nexus/models/content/topic.dart";
 
@@ -39,6 +40,7 @@ enum EventType {
   avatar("m.room.avatar", AvatarContent.fromJson),
   topic("m.room.topic", TopicContent.fromJson),
   name("m.room.name", NameContent.fromJson),
+  reaction("m.reaction", ReactionContent.fromJson),
   pinnedEvents("m.room.pinned_events", PinnedEventsContent.fromJson),
   message("m.room.message", MessageContent.fromJson);
 
diff --git a/lib/models/content/reaction.dart b/lib/models/content/reaction.dart
new file mode 100644
index 0000000..7cdec08
--- /dev/null
+++ b/lib/models/content/reaction.dart
@@ -0,0 +1,16 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/content/content.dart";
+part "reaction.freezed.dart";
+part "reaction.g.dart";
+
+String? keyFromJson(Map<String, dynamic> json) => json["m.relates_to"]?["key"];
+
+@freezed
+abstract class ReactionContent extends Content with _$ReactionContent {
+  ReactionContent._();
+  const factory ReactionContent({@JsonKey(fromJson: keyFromJson) String? key}) =
+      _ReactionContent;
+
+  factory ReactionContent.fromJson(Map<String, Object?> json) =>
+      _$ReactionContentFromJson(json);
+}