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lazy load memberships

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Henry Hiles 2026-03-22 16:35:15 -04:00
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220
README.md
View file

@ -15,113 +15,115 @@ A simple and user-friendly Matrix client made with Flutter and the Matrix Dart S
## Progress
- [ ] New logo
- [ ] Make context menus appear as bottom sheets on mobile
- [x] Move from the Dart SDK to the Gomuks SDK with Dart bindings: https://git.federated.nexus/Henry-Hiles/nexus/pulls/2
- [ ] Allow using remote gomuks over websocket
- [ ] Platform Support
- [x] Linux
- [x] Windows
- [ ] MacOS
- [ ] Android
- [ ] iOS
- [ ] Web (may not be possible)
- [x] Login
- [x] Username / password auth
- [ ] OAuth / OIDC
- [x] Improve initial sync experience
- [x] Rooms / Spaces
- [x] Displaying and choosing
- [x] Reading, showing unread
- [x] Mark as read button on rooms and spaces
- [ ] Searching
- [ ] Creating (Rooms, Spaces, and DMs)
- [x] Joining
- [ ] Parse vias
- [x] Using a text/uri/link
- [x] Plain text
- [x] `matrix:` Uri
- [x] Matrix.to link
- [ ] From space
- [ ] Exploring
- [x] Leaving
- [x] Subspaces
- [x] Messages
- [x] Encryption
- [x] Restoring crypto identity from a recovery passphrase/key
- [x] Sending
- [x] Plain text
- [x] HTML/Markdown
- [x] Replies
- [x] Choose ping on/off
- [ ] Attachments
- [ ] Commands with [MSC4391](https://github.com/matrix-org/matrix-spec-proposals/pull/4391)
- [x] Mentions
- [x] Users
- [x] Rooms
- [ ] Inline emoji picker (Putting this here since it'll be implemented the same way as mentions)
- [ ] Custom emojis/stickers
- [ ] GIFs using Gomuks' GIF proxies
- [x] Recieving
- [x] Plain text
- [x] HTML
- [x] Replies
- [x] Viewing
- [ ] Jump to original message
- [x] In loaded timeline
- [ ] Out of loaded timeline
- [x] Edits
- [x] Attachments
- [x] Unencrypted
- [ ] Encrypted
- [x] Blurhashing
- [ ] Downloading attachments
- [x] Opening attachments in their own view
- [ ] Polls: Waiting on https://github.com/SwanFlutter/dynamic_polls/issues/1
- [x] Mentions
- [x] Users
- [x] Rooms
- [ ] Plain text (not sure if I want to add this or not, I probably won't unless there's interest)
- [x] Matrix URIs
- [x] Matrix.to links
- [ ] Do some fancy fetching to get nice names
- [ ] Make clickable
- [x] Custom emojis/stickers
- [x] History loading
- [x] Backwards
- [ ] Forwards
- [x] Editing
- [x] Deleting
- [ ] Reactions: Waiting on https://github.com/flyerhq/flutter_chat_ui/pull/838 or me doing a custom impl
- [ ] Pins
- [ ] Displaying
- [ ] Creating
- [ ] Threads
- [ ] Profile popouts
- [ ] Copy link to [room, space]
- [ ] Reporting
- [x] Events
- [ ] Rooms
- [ ] Notifications using UnifiedPush
- [ ] Group calls using [MSC4195](https://github.com/matrix-org/matrix-spec-proposals/pull/4195)
- [ ] Invites
- [ ] Settings
- [ ] Light/Dark mode
- [ ] SSD or CSD
- [ ] Show media by default
- [ ] Dynamic Theming
- [ ] Devices
- [ ] Viewing devices
- [ ] Verifying devices
- [ ] URL preview: Server / Client / None
- [ ] Account changes
- [ ] Display name
- [ ] Profile picture
- [ ] Timezone
- [ ] Pronouns
- [ ] Password
- [ ] About
- [x] Log Out
- [ ] New logo
- [ ] Make context menus appear as bottom sheets on mobile
- [x] Move from the Dart SDK to the Gomuks SDK with Dart bindings: https://git.federated.nexus/Henry-Hiles/nexus/pulls/2
- [ ] Allow using remote gomuks over websocket
- [ ] Platform Support
- [x] Linux
- [x] Windows
- [ ] MacOS
- [ ] Android
- [ ] iOS
- [ ] Web (may not be possible)
- [x] Login
- [x] Username / password auth
- [ ] OAuth / OIDC
- [x] Improve initial sync experience
- [x] Rooms / Spaces
- [x] Displaying and choosing
- [x] Reading, showing unread
- [x] Mark as read button on rooms and spaces
- [ ] Searching
- [ ] Creating (Rooms, Spaces, and DMs)
- [x] Joining
- [ ] Parse vias
- [x] Using a text/uri/link
- [x] Plain text
- [x] `matrix:` Uri
- [x] Matrix.to link
- [ ] From space
- [ ] Exploring
- [x] Leaving
- [x] Subspaces
- [x] Messages
- [x] Encryption
- [x] Restoring crypto identity from a recovery passphrase/key
- [x] Sending
- [x] Plain text
- [x] HTML/Markdown
- [x] Replies
- [x] Choose ping on/off
- [ ] Per message profiles
- [ ] Attachments
- [ ] Commands with [MSC4391](https://github.com/matrix-org/matrix-spec-proposals/pull/4391)
- [x] Mentions
- [x] Users
- [x] Rooms
- [ ] Inline emoji picker (Putting this here since it'll be implemented the same way as mentions)
- [ ] Custom emojis/stickers
- [ ] GIFs using Gomuks' GIF proxies
- [x] Recieving
- [x] Plain text
- [x] Per message profiles
- [x] HTML
- [x] Replies
- [x] Viewing
- [ ] Jump to original message
- [x] In loaded timeline
- [ ] Out of loaded timeline
- [x] Edits
- [x] Attachments
- [x] Unencrypted
- [ ] Encrypted
- [x] Blurhashing
- [ ] Downloading attachments
- [x] Opening attachments in their own view
- [ ] Polls: Waiting on https://github.com/SwanFlutter/dynamic_polls/issues/1
- [x] Mentions
- [x] Users
- [x] Rooms
- [ ] Plain text (not sure if I want to add this or not, I probably won't unless there's interest)
- [x] Matrix URIs
- [x] Matrix.to links
- [ ] Do some fancy fetching to get nice names
- [ ] Make clickable
- [x] Custom emojis/stickers
- [x] History loading
- [x] Backwards
- [ ] Forwards
- [x] Editing
- [x] Deleting
- [ ] Reactions: Waiting on https://github.com/flyerhq/flutter_chat_ui/pull/838 or me doing a custom impl
- [ ] Pins
- [ ] Displaying
- [ ] Creating
- [ ] Threads
- [ ] Profile popouts
- [ ] Copy link to [room, space]
- [ ] Reporting
- [x] Events
- [ ] Rooms
- [ ] Notifications using UnifiedPush
- [ ] Group calls using [MSC4195](https://github.com/matrix-org/matrix-spec-proposals/pull/4195)
- [ ] Invites
- [ ] Settings
- [ ] Light/Dark mode
- [ ] SSD or CSD
- [ ] Show media by default
- [ ] Dynamic Theming
- [ ] Devices
- [ ] Viewing devices
- [ ] Verifying devices
- [ ] URL preview: Server / Client / None
- [ ] Account changes
- [ ] Display name
- [ ] Profile picture
- [ ] Timezone
- [ ] Pronouns
- [ ] Password
- [ ] About
- [x] Log Out
## Build Instructions
@ -136,8 +138,8 @@ cd nexus
#### Linux
- With Nix: Either use direnv, or `nix flake develop`
- Without Nix: Install Flutter, Go, Olm, Git, Clang, and GLibc.
- With Nix: Either use direnv, or `nix flake develop`
- Without Nix: Install Flutter, Go, Olm, Git, Clang, and GLibc.
#### Windows / MacOS

44
lib/controllers/author_controller.dart Normal file
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@ -0,0 +1,44 @@
import "dart:async";
import "package:collection/collection.dart";
import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:nexus/controllers/members_controller.dart";
import "package:nexus/models/configs/author_config.dart";
import "package:nexus/models/membership.dart";
class AuthorController extends AsyncNotifier<Membership> {
final AuthorConfig config;
AuthorController(this.config);
@override
Future<Membership> build() async {
var member = ref.watch(
MembersController.provider(config.room).select(
(value) => value.firstWhereOrNull(
(membership) => membership.userId == config.message.authorId,
),
),
);
final pmp = config.message.metadata?["pmp"] == null
? null
: Membership.fromContent(
IMap(config.message.metadata?["pmp"]),
config.message.authorId,
);
return Membership(
avatarUrl: pmp?.avatarUrl ?? member?.avatarUrl,
displayName:
pmp?.displayName ??
member?.displayName ??
config.message.authorId.substring(1).split(":").first,
userId: config.message.authorId,
);
}
static final provider = AsyncNotifierProvider.family
.autoDispose<AuthorController, Membership, AuthorConfig>(
AuthorController.new,
);
}

42
lib/controllers/member_controller.dart
View file

@ -1,42 +0,0 @@
import "dart:async";
import "package:collection/collection.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:nexus/controllers/members_controller.dart";
import "package:nexus/models/configs/member_config.dart";
import "package:nexus/models/membership.dart";
class MemberController extends AsyncNotifier<Membership> {
final MemberConfig config;
MemberController(this.config);
@override
FutureOr<Membership> build() {
final member = ref.watch(
MembersController.provider(config.room).select(
(value) => value.firstWhereOrNull(
(membership) => membership.userId == config.userId,
),
),
);
if (config.room.hasFetchedMembers || member != null) {
return member ??
Membership(
avatarUrl: null,
displayName: config.userId,
userId: config.userId,
);
}
return Membership(
avatarUrl: null,
displayName: config.userId,
userId: config.userId,
);
throw UnimplementedError();
}
static final provider = AsyncNotifierProvider.family
.autoDispose<MemberController, Membership, MemberConfig>(
MemberController.new,
);
}

55
lib/controllers/members_controller.dart
View file

@ -1,7 +1,10 @@
import "package:collection/collection.dart";
import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:nexus/controllers/client_controller.dart";
import "package:nexus/models/event.dart";
import "package:nexus/models/membership.dart";
import "package:nexus/models/requests/get_room_state_request.dart";
import "package:nexus/models/room.dart";
class MembersController extends Notifier<IList<Membership>> {
@ -9,24 +12,42 @@ class MembersController extends Notifier<IList<Membership>> {
MembersController(this.room);
@override
IList<Membership> build() => (room.state["m.room.member"]?.values ?? [])
.map(
(eventRowId) =>
room.events.firstWhereOrNull((event) => event.rowId == eventRowId),
)
.nonNulls
.where((member) => member.content["membership"] == "join")
.map(
(membership) => Membership(
avatarUrl: Uri.tryParse(membership.content["avatar_url"] ?? ""),
userId: membership.stateKey!,
displayName: membership.content["displayname"] ?? membership.stateKey,
),
)
.toIList();
IList<Membership> build() {
IList<Membership> membersFromState(IList<Event> members) => members.nonNulls
.where((member) => member.content["membership"] == "join")
.map(
(membership) =>
Membership.fromContent(membership.content, membership.stateKey!),
)
.toIList();
static final provider = NotifierProvider.family
.autoDispose<MembersController, IList<Membership>, Room>(
if (room.metadata != null) {
ref
.watch(ClientController.provider.notifier)
.getRoomState(
GetRoomStateRequest(
roomId: room.metadata!.id,
fetchMembers: room.metadata!.hasMemberList == false,
includeMembers: true,
),
)
.then((value) => state = membersFromState(value));
}
return membersFromState(
(room.state["m.room.members"]?.values ?? [])
.map(
(eventRowId) => room.events.firstWhereOrNull(
(event) => event.rowId == eventRowId,
),
)
.nonNulls
.toIList(),
);
}
static final provider =
NotifierProvider.family<MembersController, IList<Membership>, Room>(
MembersController.new,
);
}

1
lib/controllers/message_controller.dart
View file

@ -45,6 +45,7 @@ class MessageController extends AsyncNotifier<Message?> {
"timelineId": event.timelineRowId,
"big": event.localContent?.bigEmoji == true,
"eventType": type,
"pmp": event.content["com.beeper.per_message_profile"],
"editSource":
event.localContent?.editSource ??
newContent?["body"] ??

1
lib/controllers/rooms_controller.dart
View file

@ -36,6 +36,7 @@ class RoomsController extends Notifier<IMap<String, Room>> {
return acc.add(
roomId,
existing?.copyWith(
hasMore: incoming.hasMore,
metadata: incoming.metadata ?? existing.metadata,
events: events!,
state: incoming.state.entries.fold(

14
lib/models/configs/author_config.dart Normal file
View file

@ -0,0 +1,14 @@
import "package:flutter_chat_core/flutter_chat_core.dart";
import "package:freezed_annotation/freezed_annotation.dart";
import "package:nexus/models/room.dart";
part "author_config.freezed.dart";
part "author_config.g.dart";
@freezed
abstract class AuthorConfig with _$AuthorConfig {
const factory AuthorConfig({required Message message, required Room room}) =
_AuthorConfig;
factory AuthorConfig.fromJson(Map<String, Object?> json) =>
_$AuthorConfigFromJson(json);
}

13
lib/models/configs/member_config.dart
View file

@ -1,13 +0,0 @@
import "package:freezed_annotation/freezed_annotation.dart";
import "package:nexus/models/room.dart";
part "member_config.freezed.dart";
part "member_config.g.dart";
@freezed
abstract class MemberConfig with _$MemberConfig {
const factory MemberConfig({required Room room, required String userId}) =
_MemberConfig;
factory MemberConfig.fromJson(Map<String, Object?> json) =>
_$MemberConfigFromJson(json);
}

13
lib/models/membership.dart
View file

@ -1,15 +1,22 @@
import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:freezed_annotation/freezed_annotation.dart";
part "membership.freezed.dart";
part "membership.g.dart";
@freezed
abstract class Membership with _$Membership {
const Membership._();
const factory Membership({
required Uri? avatarUrl,
required String displayName,
required String userId,
}) = _Membership;
factory Membership.fromJson(Map<String, Object?> json) =>
_$MembershipFromJson(json);
factory Membership.fromContent(
IMap<String, dynamic> content,
String userId,
) => Membership(
avatarUrl: Uri.tryParse(content["avatar_url"] ?? ""),
userId: userId,
displayName: content["displayname"] ?? userId.substring(1).split(":").first,
);
}

1
lib/models/room.dart
View file

@ -18,7 +18,6 @@ abstract class Room with _$Room {
@Default(IMap.empty()) IMap<String, IList<ReadReceipt>> receipts,
@Default(false) bool dismissNotifications,
@Default(true) bool hasMore,
@Default(false) bool hasFetchedMembers,
// required IList<Notification> notifications,
}) = _Room;

4
lib/widgets/chat_page/html/html.dart
View file

@ -22,6 +22,10 @@ class Html extends ConsumerWidget {
html,
textStyle: textStyle,
customWidgetBuilder: (element) {
if (element.attributes.keys.contains("data-mx-profile-fallback")) {
return SizedBox.shrink();
}
if (element.attributes.keys.contains("data-mx-spoiler")) {
return InlineCustomWidget(child: SpoilerText(text: element.text));
}

8
lib/widgets/chat_page/lazy_loading/message_avatar.dart
View file

@ -1,9 +1,9 @@
import "package:flutter/widgets.dart";
import "package:flutter_chat_core/flutter_chat_core.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:nexus/controllers/member_controller.dart";
import "package:nexus/controllers/author_controller.dart";
import "package:nexus/helpers/extensions/better_when.dart";
import "package:nexus/models/configs/member_config.dart";
import "package:nexus/models/configs/author_config.dart";
import "package:nexus/models/room.dart";
import "package:nexus/widgets/avatar_or_hash.dart";
@ -16,9 +16,7 @@ class MessageAvatar extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) => ref
.watch(
MemberController.provider(
MemberConfig(room: room, userId: message.authorId),
),
AuthorController.provider(AuthorConfig(room: room, message: message)),
)
.betterWhen(
data: (membership) => AvatarOrHash(

10
lib/widgets/chat_page/lazy_loading/message_displayname.dart
View file

@ -1,9 +1,9 @@
import "package:flutter/widgets.dart";
import "package:flutter_chat_core/flutter_chat_core.dart";
import "package:flutter_riverpod/flutter_riverpod.dart";
import "package:nexus/controllers/member_controller.dart";
import "package:nexus/controllers/author_controller.dart";
import "package:nexus/helpers/extensions/better_when.dart";
import "package:nexus/models/configs/member_config.dart";
import "package:nexus/models/configs/author_config.dart";
import "package:nexus/models/room.dart";
class MessageDisplayname extends ConsumerWidget {
@ -15,13 +15,11 @@ class MessageDisplayname extends ConsumerWidget {
@override
Widget build(BuildContext context, WidgetRef ref) => ref
.watch(
MemberController.provider(
MemberConfig(room: room, userId: message.authorId),
),
AuthorController.provider(AuthorConfig(room: room, message: message)),
)
.betterWhen(
data: (membership) => Text(
membership.displayName,
"${membership.displayName} ${message.metadata?["pmp"] == null ? "" : "(via ${message.authorId})"}",
style: style,
overflow: TextOverflow.ellipsis,
),

2
lib/widgets/chat_page/reply_widget.dart
View file

@ -67,7 +67,7 @@ class ReplyWidget extends ConsumerWidget {
mainAxisSize: MainAxisSize.min,
spacing: 8,
children: [
MessageAvatar(message, room),
MessageAvatar(replyMessage, room),
Flexible(
child: MessageDisplayname(
replyMessage,