big performance improvements!!

lib/controllers/client_controller.dart

@@ -1,6 +1,7 @@
 import "dart:developer";
 import "dart:ffi";
 import "dart:isolate";
+import "package:collection/collection.dart";
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:ffi/ffi.dart";
 import "package:flutter/foundation.dart";
@@ -170,8 +171,12 @@ class ClientController extends AsyncNotifier<int> {
   }
 
   Future<Event?> getEvent(GetEventRequest request) async {
-    final json = await _sendCommand("get_event", request.toJson());
+    final event = request.room.events.firstWhereOrNull(
+      (event) => event.eventId == request.eventId,
+    );
+    if (event != null) return event;
 
+    final json = await _sendCommand("get_event", request.toJson());
     return json == null ? null : Event.fromJson(json);
   }
 

lib/controllers/message_controller.dart

@@ -1,3 +1,4 @@
+import "package:collection/collection.dart";
 import "package:flutter_chat_core/flutter_chat_core.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/client_controller.dart";
@@ -6,7 +7,6 @@ import "package:nexus/controllers/profile_controller.dart";
 import "package:nexus/helpers/extensions/mxc_to_https.dart";
 import "package:nexus/models/message_config.dart";
 import "package:nexus/models/requests/get_event_request.dart";
-import "package:nexus/models/requests/get_related_events_request.dart";
 
 class MessageController extends AsyncNotifier<Message?> {
   final MessageConfig config;
@@ -19,22 +19,20 @@ class MessageController extends AsyncNotifier<Message?> {
     }
     final client = ref.watch(ClientController.provider.notifier);
 
-    final newEvents = await client.getRelatedEvents(
-      GetRelatedEventsRequest(
-        roomId: config.event.roomId,
-        eventId: config.event.eventId,
-        relationType: "m.replace",
-      ),
-    );
     if (!ref.mounted) return null;
-    final event = newEvents?.lastOrNull ?? config.event;
+    final event = config.event.lastEditRowId == null
+        ? config.event
+        : config.room.events.firstWhereOrNull(
+                (e) => e.rowId == config.event.lastEditRowId,
+              ) ??
+              config.event;
 
     final replyId =
         config.event.content["m.relates_to"]?["m.in_reply_to"]?["event_id"];
     final replyEvent = replyId == null
         ? null
         : await client.getEvent(
-            GetEventRequest(roomId: config.event.roomId, eventId: replyId),
+            GetEventRequest(room: config.room, eventId: replyId),
           );
 
     if (!ref.mounted) return null;
@@ -58,7 +56,11 @@ class MessageController extends AsyncNotifier<Message?> {
       if (replyEvent != null)
         "reply": await ref.watch(
           MessageController.provider(
-            MessageConfig(event: replyEvent, mustBeText: true),
+            MessageConfig(
+              event: replyEvent,
+              room: config.room,
+              mustBeText: true,
+            ),
           ).future,
         ),
       "body": newContent?["body"] ?? content["body"],
@@ -152,21 +154,24 @@ class MessageController extends AsyncNotifier<Message?> {
         ),
         _ => asText,
       },
-      "m.room.member" => Message.system(
-        metadata: metadata,
-        id: config.event.eventId,
-        authorId: event.authorId,
-        deliveredAt: config.event.timestamp,
-        text:
-            "${content["displayname"] ?? event.stateKey} ${switch (content["membership"]) {
-              "invite" => "was invited to",
-              "join" => "joined",
-              "leave" => "left",
-              "knock" => "asked to join",
-              "ban" => "was banned from",
-              _ => "did something relating to",
-            }} the room.",
-      ),
+      "m.room.member" =>
+        content["membership"] == event.unsigned["prev_content"]?["membership"]
+            ? null
+            : Message.system(
+                metadata: metadata,
+                id: config.event.eventId,
+                authorId: event.authorId,
+                deliveredAt: config.event.timestamp,
+                text:
+                    "${content["displayname"] ?? event.stateKey} ${switch (content["membership"]) {
+                      "invite" => "was invited to",
+                      "join" => "joined",
+                      "leave" => "left",
+                      "knock" => "asked to join",
+                      "ban" => "was banned from",
+                      _ => "did something relating to",
+                    }} the room.",
+              ),
       "m.room.redaction" => null,
       _ =>
         // Turn this on for debugging purposes

lib/controllers/messages_controller.dart

@@ -2,24 +2,26 @@ import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:flutter_chat_core/flutter_chat_core.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/message_controller.dart";
-import "package:nexus/models/event.dart";
 import "package:nexus/models/message_config.dart";
+import "package:nexus/models/messages_config.dart";
 
 class MessagesController extends AsyncNotifier<IList<Message>> {
-  final IList<Event> events;
-  MessagesController(this.events);
+  final MessagesConfig config;
+  MessagesController(this.config);
 
   @override
   Future<IList<Message>> build() async => (await Future.wait(
-    events.map(
+    config.events.map(
       (event) => ref.watch(
-        MessageController.provider(MessageConfig(event: event)).future,
+        MessageController.provider(
+          MessageConfig(event: event, room: config.room),
+        ).future,
       ),
     ),
   )).nonNulls.toIList();
 
   static final provider = AsyncNotifierProvider.family
-      .autoDispose<MessagesController, IList<Message>, IList<Event>>(
+      .autoDispose<MessagesController, IList<Message>, MessagesConfig>(
         MessagesController.new,
       );
 }

lib/controllers/room_chat_controller.dart

@@ -11,6 +11,7 @@ import "package:nexus/controllers/new_events_controller.dart";
 import "package:nexus/controllers/rooms_controller.dart";
 import "package:nexus/controllers/selected_room_controller.dart";
 import "package:nexus/models/message_config.dart";
+import "package:nexus/models/messages_config.dart";
 import "package:nexus/models/requests/get_room_state_request.dart";
 import "package:nexus/models/requests/paginate_request.dart";
 import "package:nexus/models/requests/redact_event_request.dart";
@@ -30,14 +31,17 @@ class RoomChatController extends AsyncNotifier<ChatController> {
 
     final messages = await ref.watch(
       MessagesController.provider(
-        room.timeline
-            .map(
-              (timelineRowTuple) => room.events.firstWhereOrNull(
-                (event) => event.rowId == timelineRowTuple.eventRowId,
-              ),
-            )
-            .nonNulls
-            .toIList(),
+        MessagesConfig(
+          room: room,
+          events: room.timeline
+              .map(
+                (timelineRowTuple) => room.events.firstWhereOrNull(
+                  (event) => event.rowId == timelineRowTuple.eventRowId,
+                ),
+              )
+              .nonNulls
+              .toIList(),
+        ),
       ).future,
     );
     final controller = InMemoryChatController(messages: messages.toList());
@@ -57,7 +61,7 @@ class RoomChatController extends AsyncNotifier<ChatController> {
           } else {
             final message = await ref.watch(
               MessageController.provider(
-                MessageConfig(event: event, includeEdits: true),
+                MessageConfig(event: event, room: room, includeEdits: true),
               ).future,
             );
             if (event.relationType == "m.replace") {
@@ -191,8 +195,13 @@ class RoomChatController extends AsyncNotifier<ChatController> {
           const ISet.empty(),
         );
 
+    final room = ref.watch(RoomsController.provider)[roomId];
+    if (room == null) return;
+
     final messages = await ref.watch(
-      MessagesController.provider(response.events.reversed).future,
+      MessagesController.provider(
+        MessagesConfig(room: room, events: response.events.reversed),
+      ).future,
     );
     await controller.insertAllMessages(
       messages

lib/models/event.dart

@@ -27,7 +27,7 @@ abstract class Event with _$Event {
     String? decryptionError,
     String? sendError,
     @Default(IMap.empty()) IMap<String, int> reactions,
-    int? lastEditRowId,
+    @JsonKey(name: "last_edit_rowid") int? lastEditRowId,
     @UnreadTypeConverter() UnreadType? unreadType,
   }) = _Event;
 

lib/models/message_config.dart

@@ -1,5 +1,6 @@
 import "package:freezed_annotation/freezed_annotation.dart";
 import "package:nexus/models/event.dart";
+import "package:nexus/models/room.dart";
 part "message_config.freezed.dart";
 part "message_config.g.dart";
 
@@ -8,6 +9,7 @@ abstract class MessageConfig with _$MessageConfig {
   const factory MessageConfig({
     @Default(false) bool mustBeText,
     @Default(false) bool includeEdits,
+    required Room room,
     required Event event,
   }) = _MessageConfig;
 

lib/models/messages_config.dart

@@ -0,0 +1,17 @@
+import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/event.dart";
+import "package:nexus/models/room.dart";
+part "messages_config.freezed.dart";
+part "messages_config.g.dart";
+
+@freezed
+abstract class MessagesConfig with _$MessagesConfig {
+  const factory MessagesConfig({
+    required Room room,
+    required IList<Event> events,
+  }) = _MessagesConfig;
+
+  factory MessagesConfig.fromJson(Map<String, Object?> json) =>
+      _$MessagesConfigFromJson(json);
+}

lib/models/requests/get_event_request.dart

@@ -1,11 +1,12 @@
 import "package:freezed_annotation/freezed_annotation.dart";
+import "package:nexus/models/room.dart";
 part "get_event_request.freezed.dart";
 part "get_event_request.g.dart";
 
 @freezed
 abstract class GetEventRequest with _$GetEventRequest {
   const factory GetEventRequest({
-    required String roomId,
+    required Room room,
     required String eventId,
     @Default(false) bool unredact,
   }) = _GetEventRequest;