Implement theoretical code for rendering replies

Waiting on Tulir's reply on why I don't get relatesTo and relationType back on DBEvents from sync

lib/controllers/client_controller.dart

@@ -218,11 +218,6 @@ class ClientController extends AsyncNotifier<int> {
   }
 
   Future<Event?> getEvent(GetEventRequest request) async {
-    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/event_controller.dart

@@ -1,5 +1,7 @@
+import "package:collection/collection.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/client_controller.dart";
+import "package:nexus/controllers/rooms_controller.dart";
 import "package:nexus/models/event.dart";
 import "package:nexus/models/requests/get_event_request.dart";
 
@@ -9,8 +11,16 @@ class EventController extends AsyncNotifier<Event?> {
 
   @override
   Future<Event?> build() async {
-    final client = ref.watch(ClientController.provider.notifier);
-    return await client.getEvent(request).onError((_, _) => null);
+    final room = ref.watch(RoomsController.provider)[request.roomId];
+    final event = room?.events.firstWhereOrNull(
+      (event) => event.eventId == request.eventId,
+    );
+
+    return event ??
+        await ref
+            .watch(ClientController.provider.notifier)
+            .getEvent(request)
+            .onError((_, _) => null);
   }
 
   static final provider = AsyncNotifierProvider.family

lib/models/requests/get_event_request.dart

@@ -1,32 +1,16 @@
 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(toJson: false)
+@Freezed()
 abstract class GetEventRequest with _$GetEventRequest {
   const GetEventRequest._();
   const factory GetEventRequest({
-    required Room room,
+    required String roomId,
     required String eventId,
     @Default(false) bool unredact,
   }) = _GetEventRequest;
 
-  Map<String, dynamic> toJson() => {
-    "room_id": room.metadata?.id,
-    "event_id": eventId,
-    "unredact": unredact,
-  };
-
-  @override
-  bool operator ==(Object other) =>
-      other.runtimeType == runtimeType &&
-      other is GetEventRequest &&
-      other.eventId == eventId;
-
-  @override
-  int get hashCode => Object.hash(runtimeType, eventId);
-
   factory GetEventRequest.fromJson(Map<String, Object?> json) =>
       _$GetEventRequestFromJson(json);
 }

lib/widgets/renderers/event.dart

@@ -7,6 +7,7 @@ import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:linkify/linkify.dart";
 import "package:nexus/controllers/client_state_controller.dart";
 import "package:nexus/controllers/cross_cache_controller.dart";
+import "package:nexus/controllers/event_controller.dart";
 import "package:nexus/helpers/extensions/get_headers.dart";
 import "package:nexus/helpers/extensions/mxc_to_https.dart";
 import "package:nexus/helpers/extensions/show_context_menu.dart";
@@ -17,8 +18,10 @@ import "package:nexus/models/content/encrypted.dart";
 import "package:nexus/models/content/membership.dart";
 import "package:nexus/models/content/message.dart";
 import "package:nexus/models/event.dart";
+import "package:nexus/models/requests/get_event_request.dart";
 import "package:nexus/widgets/expandable_image.dart";
 import "package:nexus/widgets/html/html.dart";
+import "package:nexus/widgets/html/quoted.dart";
 import "package:nexus/widgets/lazy_loading/message_avatar.dart";
 import "package:nexus/widgets/lazy_loading/message_displayname.dart";
 import "package:nexus/widgets/link_preview.dart";
@@ -124,9 +127,34 @@ class EventRenderer extends ConsumerWidget {
                           child: Column(
                             crossAxisAlignment: CrossAxisAlignment.start,
                             children: [
-                              // Quoted( // TODO: Show replies
-                              //   EventText(replyEvent textOnly: true, maxLines: 1,)
-                              // ),
+                              if (event.relationType == "m.in_reply_to" &&
+                                  event.relatesTo != null)
+                                Quoted(
+                                  ref
+                                      .watch(
+                                        EventController.provider(
+                                          GetEventRequest(
+                                            roomId: event.roomId,
+                                            eventId: event.relatesTo!,
+                                          ),
+                                        ),
+                                      )
+                                      .when(
+                                        data: (replyEvent) => replyEvent == null
+                                            ? SizedBox.shrink()
+                                            : EventRenderer(
+                                                replyEvent,
+                                                textOnly: true,
+                                                maxLines: 1,
+                                              ),
+                                        error: (_, _) => Text(
+                                          "An error occurred while fetching the reply",
+                                          style: errorStyle,
+                                        ),
+                                        loading: () =>
+                                            Text("Fetching event..."),
+                                      ),
+                                ),
                               switch (event.content) {
                                 EncryptedContent() => Text(
                                   "Unable to decrypt event",