Files
App/lib/pods/chat/chat_online_count.dart

51 lines
1.6 KiB
Dart

import 'dart:async';
import 'package:riverpod_annotation/riverpod_annotation.dart';
import 'package:island/pods/network.dart';
import 'package:island/pods/websocket.dart';
import 'package:island/models/account.dart';
part 'chat_online_count.g.dart';
@riverpod
class ChatOnlineCountNotifier extends _$ChatOnlineCountNotifier {
@override
Future<int> build(String chatroomId) async {
final apiClient = ref.watch(apiClientProvider);
final ws = ref.watch(websocketProvider);
// Fetch initial online count
final response = await apiClient.get(
'/sphere/chat/$chatroomId/members/online',
);
final initialCount = response.data as int;
// Listen for websocket status updates
final subscription = ws.dataStream.listen((WebSocketPacket packet) {
if (packet.type == 'accounts.status.update') {
final data = packet.data;
if (data != null && data['chat_room_id'] == chatroomId) {
final status = SnAccountStatus.fromJson(data['status']);
var delta = status.isOnline ? 1 : -1;
if (status.clearedAt != null &&
status.clearedAt!.isBefore(DateTime.now())) {
if (status.isInvisible) delta = 1;
}
// Update count based on online status
state.whenData((currentCount) {
final newCount = currentCount + delta;
state = AsyncData(
newCount.clamp(0, double.infinity).toInt(),
); // Ensure non-negative
});
}
}
});
ref.onDispose(() {
subscription.cancel();
});
return initialCount;
}
}