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First Draft: Support for pinned messages.

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This commit is contained in:
istalri 2026-07-07 00:54:40 +02:00
commit a2d2aeca7a
5 changed files with 224 additions and 3 deletions
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92
lib/controllers/room_pins_controller.dart Normal file
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@ -0,0 +1,92 @@
import "package:collection/collection.dart";
import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:hooks_riverpod/hooks_riverpod.dart";
import "package:nexus/controllers/client_controller.dart";
import "package:nexus/controllers/rooms_controller.dart";
import "package:nexus/models/content/content.dart";
import "package:nexus/models/content/pinned_events.dart";
import "package:nexus/models/event.dart";
class RoomPinsController extends AsyncNotifier<IList<Event>> {
final String roomId;
RoomPinsController(this.roomId);
@override
Future<IList<Event>> build() async {
final room = ref.watch(
RoomsController.provider.select((rooms) => rooms[roomId]),
);
if (room == null) return .new();
final pinnedRowId = room.state[EventType.pinnedEvents.type]?[""];
final pinnedStateEvent = pinnedRowId == null
? null
: room.events[pinnedRowId];
if (pinnedStateEvent == null) return .new();
final pinnedContent = switch (pinnedStateEvent.content) {
PinnedEventsContent content => content,
_ => null,
};
if (pinnedContent == null || pinnedContent.pinned.isEmpty) {
return .new();
}
final localEvents = <Event>[];
final missingIds = <String>[];
for (final eventId in pinnedContent.pinned) {
final localEvent = room.events.values.firstWhereOrNull(
(e) => e.eventId == eventId,
);
if (localEvent != null) {
localEvents.add(localEvent);
} else {
missingIds.add(eventId);
}
}
if (missingIds.isNotEmpty) {
final client = ref.read(ClientController.provider.notifier);
final fetched = await Future.wait(
missingIds.map(
(id) => client.getEvent(.new(roomId: roomId, eventId: id)),
),
);
localEvents.addAll(fetched.whereType<Event>());
}
return localEvents.toIList();
}
Future<void> togglePin(Event event) async {
final client = ref.read(ClientController.provider.notifier);
final current = await future;
final updatedPinnedIds = current.any((e) => e.eventId == event.eventId)
? current
.where((e) => e.eventId != event.eventId)
.map((e) => e.eventId)
.toList()
: [...current.map((e) => e.eventId), event.eventId];
await client.sendEvent(
.new(
roomId: roomId,
type: EventType.pinnedEvents.type,
stateKey: "",
content: {"pinned": updatedPinnedIds},
),
);
}
static final provider = AsyncNotifierProvider.family
.autoDispose<RoomPinsController, IList<Event>, String>(
RoomPinsController.new,
);
}

1
lib/models/requests/send_event_request.dart
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@ -8,6 +8,7 @@ abstract class SendEventRequest with _$SendEventRequest {
required String roomId,
required String type,
required Map<String, dynamic> content,
@Default(null) String? stateKey,
@Default(false) bool synchronous,
@Default(false) bool disableEncryption,
}) = _SendEventRequest;

109
lib/widgets/pinned_messages.dart Normal file
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@ -0,0 +1,109 @@
import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:flutter/material.dart";
import "package:hooks_riverpod/hooks_riverpod.dart";
import "package:nexus/controllers/room_pins_controller.dart";
import "package:nexus/models/event.dart";
import "package:nexus/widgets/loading.dart";
import "package:nexus/widgets/renderers/event.dart";
class PinnedMessages extends HookConsumerWidget {
final String roomId;
final IList<PopupMenuEntry> Function(Event event)? getEventOptions;
const PinnedMessages(this.roomId, {this.getEventOptions, super.key});
@override
Widget build(BuildContext context, WidgetRef ref) {
final pinsAsync = ref.watch(RoomPinsController.provider(roomId));
final theme = Theme.of(context);
return Column(
children: [
if (Scaffold.of(context).hasEndDrawer)
AppBar(
scrolledUnderElevation: 0,
leading: Icon(Icons.pin),
title: Text("Pinned Messages"),
actionsPadding: .only(right: 4),
actions: [
IconButton(
onPressed: Scaffold.of(context).closeEndDrawer,
icon: Icon(Icons.close),
tooltip: "Close pinned messages",
),
],
),
Expanded(
child: switch (pinsAsync) {
AsyncData(:final value) when value.isEmpty => Center(
child: Column(
children: [
Icon(
Icons.push_pin_outlined,
size: 48,
color: theme.colorScheme.surfaceContainerHigh,
),
SizedBox(height: 12),
Text(
"No pinned messages.",
style: theme.textTheme.headlineSmall,
),
],
),
),
AsyncData(:final value) => ListView.builder(
padding: .symmetric(vertical: 18),
itemCount: value.length,
itemBuilder: (context, index) {
final event = value[index];
return Card(
margin: .only(bottom: 8),
child: InkWell(
borderRadius: .circular(12),
onTap: () {
Navigator.pop(context);
// TODO: // Close drawer, then scroll to the message
},
child: Padding(
padding: .all(12),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(
Icons.push_pin,
size: 16,
color: theme.colorScheme.primary,
),
SizedBox(width: 8),
Expanded(
child: EventRenderer(
event,
textOnly: true,
maxLines: 2,
isGrouped: false,
getEventOptions: getEventOptions,
),
),
],
),
),
),
);
},
),
AsyncLoading() => Center(child: Loading()),
AsyncError(:final error) => Center(
child: Column(
children: [
Icon(Icons.error_outline, color: theme.colorScheme.error),
SizedBox(height: 8),
Text("$error"),
],
),
),
},
),
],
);
}
}

4
lib/widgets/room_appbar.dart
View file

@ -12,6 +12,7 @@ import "package:nexus/widgets/room_menu.dart";
class RoomAppbar extends ConsumerWidget implements PreferredSizeWidget {
final bool isDesktop;
final void Function(BuildContext context)? onOpenMemberList;
final void Function(BuildContext context)? onOpenPinnedMessagesList;
final void Function(BuildContext context) onOpenDrawer;
final String? roomId;
const RoomAppbar({
@ -19,6 +20,7 @@ class RoomAppbar extends ConsumerWidget implements PreferredSizeWidget {
required this.isDesktop,
required this.onOpenDrawer,
this.onOpenMemberList,
this.onOpenPinnedMessagesList,
super.key,
});
@ -128,7 +130,7 @@ class RoomAppbar extends ConsumerWidget implements PreferredSizeWidget {
? .new()
: .new([
IconButton(
onPressed: null,
onPressed: () => onOpenPinnedMessagesList?.call(context),
icon: Icon(Icons.push_pin),
tooltip: "Open pinned messages",
),

19
lib/widgets/room_chat.dart
View file

@ -17,6 +17,7 @@ import "package:nexus/models/event.dart";
import "package:nexus/models/relation_type.dart";
import "package:nexus/widgets/composer/composer.dart";
import "package:nexus/widgets/emoji_picker_button.dart";
import "package:nexus/widgets/pinned_messages.dart";
import "package:nexus/widgets/renderers/event.dart";
import "package:nexus/widgets/member_list.dart";
import "package:nexus/widgets/room_appbar.dart";
@ -63,6 +64,7 @@ class RoomChat extends HookConsumerWidget {
isDesktop: isDesktop,
onOpenDrawer: (_) => Scaffold.of(context).openDrawer(),
onOpenMemberList: null,
onOpenPinnedMessagesList: null,
),
body: nothing,
);
@ -390,7 +392,15 @@ class RoomChat extends HookConsumerWidget {
onOpenDrawer: (_) => Scaffold.of(context).openDrawer(),
onOpenMemberList: (thisContext) {
memberListOpened.value = !memberListOpened.value;
if (!showMembersByDefault) {
Scaffold.of(thisContext).openEndDrawer();
}
},
onOpenPinnedMessagesList: (thisContext) {
memberListOpened.value = false;
WidgetsBinding.instance.addPostFrameCallback((_) {
Scaffold.of(thisContext).openEndDrawer();
});
},
),
body: Row(
@ -508,7 +518,14 @@ class RoomChat extends HookConsumerWidget {
MemberList(roomId),
],
),
endDrawer: showMembersByDefault ? null : MemberList(roomId),
endDrawer: showMembersByDefault && memberListOpened.value
? null
: Drawer(
shape: Border(),
child: memberListOpened.value
? MemberList(roomId)
: PinnedMessages(roomId, getEventOptions: getEventOptions),
),
);
}
}