Files
Qlyra/lib/backend/modules/file_uploader.dart
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342 lines
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Dart

import 'dart:async';
import 'dart:convert' show jsonDecode, utf8;
import 'dart:io';
import 'dart:typed_data';
import 'package:kolibri/kolibri.dart' as kb;
import '../api.dart';
import '../../core/protocol/opcode_map.dart';
import '../../core/utils/logger.dart';
import 'messages.dart';
sealed class UploadEvent {
const UploadEvent();
}
class UploadProgress extends UploadEvent {
final int sent;
final int total;
const UploadProgress({required this.sent, required this.total});
}
class UploadDone extends UploadEvent {
final int fileId;
final String? token;
final String? url;
final String filename;
final int size;
const UploadDone({
required this.fileId,
required this.filename,
required this.size,
this.token,
this.url,
});
}
class UploadError extends UploadEvent {
final String message;
const UploadError(this.message);
}
/// Оркестратор медиа-загрузок: control-plane (URL, отправка сообщения) идёт
/// обычными опкодами, data-plane (заливка на CDN) — через Rust-ядро kolibri,
/// которое стримит файл с диска (не держит его целиком в памяти).
class FileUploader {
final Api api;
final MessagesModule messages;
FileUploader({required this.api, required this.messages});
Stream<UploadEvent> upload({
required int chatId,
required File file,
required String filename,
required int totalSize,
int? scheduledTime,
Duration autoForceAfter = const Duration(seconds: 1),
Duration overallTimeout = const Duration(minutes: 5),
Duration progressThrottle = const Duration(milliseconds: 16),
}) {
final ctrl = StreamController<UploadEvent>();
var cancelled = false;
StreamSubscription<kb.UploadEvent>? sub;
ctrl.onCancel = () {
cancelled = true;
sub?.cancel();
};
Future<void> run() async {
try {
final info = await messages.requestUploadUrl();
if (cancelled) return;
if (info == null) {
ctrl.add(const UploadError('no_upload_url'));
return;
}
final session = api.session;
if (session == null) {
ctrl.add(const UploadError('no_session'));
return;
}
unawaited(() async {
try {
await api.sendRequest(Opcode.msgTyping, {
'chatId': chatId,
'type': 'FILE',
});
} catch (_) {}
}());
var status = 0;
String? error;
final done = Completer<void>();
sub =
session
.uploadFilePath(
url: info.url,
path: file.path,
filename: filename,
connection: 'close',
)
.listen(
(e) {
switch (e) {
case kb.UploadEvent_Progress(:final sent, :final total):
ctrl.add(
UploadProgress(
sent: sent.toInt(),
total: total.toInt(),
),
);
case kb.UploadEvent_Done(status: final s):
status = s;
case kb.UploadEvent_Error(:final message):
error = message;
}
},
onError: (Object err) {
error = err.toString();
if (!done.isCompleted) done.complete();
},
onDone: () {
if (!done.isCompleted) done.complete();
},
cancelOnError: true,
);
await done.future;
if (cancelled) return;
if (error != null) {
ctrl.add(UploadError(error!));
return;
}
if (status != 200 && status != 0) {
ctrl.add(UploadError('http_$status'));
return;
}
final ok = await messages.sendFileMessage(
chatId,
info.fileId,
token: info.token,
scheduledTime: scheduledTime,
);
if (cancelled) return;
if (!ok) {
ctrl.add(const UploadError('send_failed'));
return;
}
ctrl.add(
UploadDone(
fileId: info.fileId,
token: info.token,
url: info.url,
filename: filename,
size: totalSize,
),
);
} catch (e) {
if (!cancelled) ctrl.add(UploadError(e.toString()));
} finally {
await ctrl.close();
}
}
unawaited(run());
return ctrl.stream;
}
Future<bool> uploadMediaFile(
Uri uri,
File file, {
void Function(int sent, int total)? onProgress,
Duration overallTimeout = const Duration(minutes: 5),
Duration progressThrottle = const Duration(milliseconds: 16),
}) async {
final session = api.session;
if (session == null) return false;
try {
final result = await _consume(
session.uploadFilePath(
url: uri.toString(),
path: file.path,
filename: _syntheticFilename(),
contentType: 'application/octet-stream',
connection: 'close',
),
onProgress: onProgress,
);
if (result.error != null) {
logger.w('uploadMediaFile: ${result.error}');
return false;
}
final respBody = utf8.decode(result.body, allowMalformed: true);
final hasError =
respBody.contains('error_msg') || respBody.contains('error_code');
return result.status == 200 && !hasError;
} catch (e) {
logger.w('uploadMediaFile: $e');
return false;
}
}
Future<String?> uploadImage(
Uri uri,
Uint8List bytes, {
String filename = 'avatar.jpg',
}) async {
final session = api.session;
if (session == null) return null;
try {
final result = await _consume(
session.uploadPhoto(
url: uri.toString(),
data: bytes,
filename: filename,
),
);
if (result.error != null || result.status != 200) {
logger.w('uploadImage: status=${result.status} error=${result.error}');
return null;
}
return _parsePhotoToken(utf8.decode(result.body, allowMalformed: true));
} catch (e) {
logger.w('uploadImage: $e');
return null;
}
}
Future<String?> uploadPhoto(
Uri uri,
File file, {
String filename = 'photo.jpg',
void Function(int sent, int total)? onProgress,
Duration progressThrottle = const Duration(milliseconds: 16),
}) async {
final session = api.session;
if (session == null) return null;
try {
final result = await _consume(
session.uploadPhotoPath(
url: uri.toString(),
path: file.path,
filename: filename,
),
onProgress: onProgress,
);
if (result.error != null || result.status != 200) {
logger.w('uploadPhoto: status=${result.status} error=${result.error}');
return null;
}
return _parsePhotoToken(utf8.decode(result.body, allowMalformed: true));
} catch (e) {
logger.w('uploadPhoto: $e');
return null;
}
}
Future<bool> uploadVideoFile(
Uri uri,
File file, {
void Function(int sent, int total)? onProgress,
int chunkSize = 2 * 1024 * 1024,
int concurrency = 4,
Duration overallTimeout = const Duration(minutes: 30),
}) async {
final session = api.session;
if (session == null) return false;
try {
final result = await _consume(
session.uploadVideoPath(
url: uri.toString(),
path: file.path,
chunkSize: chunkSize,
concurrency: concurrency,
),
onProgress: onProgress,
);
if (result.error != null || result.status != 200) {
logger.w(
'uploadVideoFile: status=${result.status} error=${result.error}',
);
}
return result.error == null && result.status == 200;
} catch (e) {
logger.w('uploadVideoFile: $e');
return false;
}
}
/// Прогоняет стрим ядра до конца, форвардит прогресс, отдаёт итог.
Future<({int status, Uint8List body, String? error})> _consume(
Stream<kb.UploadEvent> stream, {
void Function(int sent, int total)? onProgress,
}) async {
var status = 0;
var body = Uint8List(0);
String? error;
await for (final event in stream) {
switch (event) {
case kb.UploadEvent_Progress(:final sent, :final total):
onProgress?.call(sent.toInt(), total.toInt());
case kb.UploadEvent_Done(status: final s, body: final b):
status = s;
body = b;
case kb.UploadEvent_Error(:final message):
error = message;
}
}
return (status: status, body: body, error: error);
}
String _syntheticFilename() =>
(DateTime.now().microsecondsSinceEpoch & 0x7FFFFFFF).toString();
String? _parsePhotoToken(String body) {
try {
final json = jsonDecode(body);
if (json is Map) {
final photos = json['photos'];
if (photos is Map) {
for (final v in photos.values) {
if (v is Map) {
final token = v['token'];
if (token is String && token.isNotEmpty) return token;
}
}
}
final pt = json['photoToken'];
if (pt is String && pt.isNotEmpty) return pt;
}
} catch (e) {
logger.w('parsePhotoToken: $e');
}
return null;
}
}