Files
mesh-drop-flutter/lib/app/features/peers/controller/peers_controller.dart
2026-02-27 21:12:56 +08:00

51 lines
1.2 KiB
Dart

import 'package:riverpod_annotation/riverpod_annotation.dart';
import '../../../../backend/api/commands.dart' as commands;
import '../../../../backend/discovery/model.dart';
part 'peers_controller.g.dart';
@riverpod
class PeersController extends _$PeersController {
@override
Future<List<Peer>> build() async {
return commands.getPeers();
}
Future<void> refresh() async {
state = const AsyncLoading();
state = await AsyncValue.guard(commands.getPeers);
}
void upsertPeer(Peer peer) {
final current = state.asData?.value ?? const <Peer>[];
final index = current.indexWhere((item) => item.id == peer.id);
if (index < 0) {
state = AsyncData([...current, peer]);
return;
}
final old = current[index];
if (old == peer) {
return;
}
final next = [...current];
next[index] = peer;
state = AsyncData(next);
}
void removePeer(String id) {
final current = state.asData?.value;
if (current == null || current.isEmpty) {
return;
}
final next = current.where((item) => item.id != id).toList(growable: false);
if (next.length != current.length) {
state = AsyncData(next);
}
}
}