Solian/lib/providers/notify.dart

62 lines
1.8 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:solian/models/pagination.dart';
import 'package:solian/providers/auth.dart';
import 'package:solian/utils/service_url.dart';
import 'package:solian/models/notification.dart' as model;
import 'package:web_socket_channel/web_socket_channel.dart';
class NotifyProvider extends ChangeNotifier {
bool isOpened = false;
List<model.Notification> notifications = List.empty(growable: true);
Future<void> fetch(AuthProvider auth) async {
if (!await auth.isAuthorized()) return;
var uri = getRequestUri('passport', '/api/notifications?skip=0&take=25');
var res = await auth.client!.get(uri);
if (res.statusCode == 200) {
final result = PaginationResult.fromJson(jsonDecode(utf8.decode(res.bodyBytes)));
notifications = result.data?.map((x) => model.Notification.fromJson(x)).toList() ?? List.empty(growable: true);
}
notifyListeners();
}
Future<WebSocketChannel?> connect(AuthProvider auth) async {
if (auth.client == null) await auth.pickClient();
if (!await auth.isAuthorized()) return null;
await auth.refreshToken();
var ori = getRequestUri('passport', '/api/notifications/listen');
var uri = Uri(
scheme: ori.scheme.replaceFirst('http', 'ws'),
host: ori.host,
path: ori.path,
queryParameters: {'tk': Uri.encodeComponent(auth.client!.credentials.accessToken)},
);
final channel = WebSocketChannel.connect(uri);
await channel.ready;
return channel;
}
void onRemoteMessage(model.Notification item) {
notifications.add(item);
notifyListeners();
}
void clearAt(int index) {
notifications.removeAt(index);
notifyListeners();
}
void clearNonRealtime() {
notifications = notifications.where((x) => !x.isRealtime).toList();
}
}