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feature: update owners by websocket

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This commit is contained in:
Alzalia 2025-08-08 14:23:23 +02:00
parent 49e74feb4f
commit 116bacf428
6 changed files with 139 additions and 23 deletions
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31
lib/data/repositories/owner_repository.dart
View file

@ -1,5 +1,8 @@
import 'dart:async';
import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:rxdart/rxdart.dart';
import 'package:seshat/data/services/api_client.dart';
import 'package:seshat/data/services/websocket_client.dart';
import 'package:seshat/domain/models/owner.dart';
@ -14,6 +17,10 @@ class OwnerRepository {
final ApiClient _apiClient;
final WebsocketClient _wsClient;
final BehaviorSubject<Owner> _ownersController = BehaviorSubject<Owner>(
sync: true,
);
late final StreamSubscription sub;
List<Owner>? _cachedOwners;
Future<Result<Owner>> postOwner(
@ -29,29 +36,27 @@ class OwnerRepository {
Future<Result<List<Owner>>> getOwners() async {
if (_cachedOwners == null) {
final result = await _apiClient.getOwners();
_wsClient.connect();
if (result is Ok<List<Owner>>) {
_cachedOwners = result.value;
}
sub = _wsClient.owners.listen((owner) {
debugPrint("\n\n\n\n[3] Added : $owner\n\n\n\n");
_cachedOwners!.add(owner);
_ownersController.add(owner);
});
return result;
} else {
return Result.ok(_cachedOwners!);
}
}
Stream<Owner> liveOwners() async* {
await for (String data in await _wsClient.connect()) {
Map<String, dynamic> decodedData = jsonDecode(
data,
).cast<Map<String, dynamic>>();
Owner owner = Owner.fromJSON(decodedData);
if (_cachedOwners == null) {
await getOwners();
} else {
_cachedOwners!.add(owner);
yield* Stream.value(owner);
}
}
Stream<Owner> get liveOwners => _ownersController.stream;
dispose() {
sub.cancel();
}
}

78
lib/data/services/websocket_client.dart
View file

@ -1,16 +1,82 @@
import 'dart:async';
import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:rxdart/rxdart.dart';
import 'package:seshat/config/constants.dart';
import 'package:seshat/domain/models/owner.dart';
import 'package:web_socket_channel/web_socket_channel.dart';
class WebsocketClient {
Future<Stream<dynamic>> connect() async {
final channel = WebSocketChannel.connect(
Uri.parse("wss://$apiBasePath/ws"),
WebSocketChannel? _channel;
FlutterSecureStorage? _secureStorage;
final BehaviorSubject<dynamic> _baseController = BehaviorSubject();
final BehaviorSubject<Owner> _ownersController = BehaviorSubject<Owner>(
sync: true,
);
late final StreamSubscription sub;
Stream<Owner> get owners => _ownersController.stream;
Future<void> _initStore() async {
_secureStorage ??= const FlutterSecureStorage(
aOptions: AndroidOptions(encryptedSharedPreferences: true),
);
}
await channel.ready;
Future<void> connect() async {
await _initStore();
debugPrint("\n\n\n\nWEBSOCKET STORE IS READY\n\n\n\n");
if (_channel != null) return;
channel.sink.add("json-token: ");
debugPrint("\n\n\n\nWEBSOCKET WILL CONNECT\n\n\n\n");
_channel = WebSocketChannel.connect(Uri.parse("wss://$apiBasePath/ws"));
debugPrint("\n\n\n\nWEBSOCKET IS CONNECTING\n\n\n\n");
return channel.stream;
await _channel!.ready;
debugPrint("\n\n\n\nWEBSOCKET IS READY\n\n\n\n");
var token = await _secureStorage!.read(key: "token");
_channel!.sink.add(jsonEncode({"token": "$token"}));
_channel!.stream.listen((message) {
debugPrint("\n\n\n\n[1] Received : $message\n\n\n\n");
_baseController.add(message);
});
var data = await _baseController.stream.first;
debugPrint("\n\n\n\n$data\n\n\n\n");
var result = jsonDecode(data);
if (result["type"] == "auth_success") {
debugPrint("\n\n\n\nSUCCESS !\n\n\n\n");
sub = _baseController.stream.listen(
(message) {
final Map<String, dynamic> data = jsonDecode(message);
debugPrint("\n\n\n\n[2] Transfered : $message\n\n\n\n");
switch (data["type"]) {
case "new_owner":
final owner = Owner.fromJSON(data["data"]);
_ownersController.add(owner);
break;
default:
}
},
onDone: _handleDisconnect,
onError: (error) {
_handleDisconnect();
},
);
}
}
void _handleDisconnect() {
sub.cancel();
_channel = null;
}
void dispose() {
sub.cancel();
_channel?.sink.close();
_ownersController.close();
}
}