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lazy load memberships

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Henry Hiles 2026-03-22 16:35:15 -04:00
commit 9054b6b357
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14 changed files with 231 additions and 197 deletions
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55
lib/controllers/members_controller.dart
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@ -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,
);
}