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make sftpworker upload/download action handle single file

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This commit is contained in:
RafayAhmad7548 2025-08-14 06:22:05 +05:00
parent 33ade0479f
commit 075003f1ad
3 changed files with 77 additions and 89 deletions
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24
lib/sftp_explorer.dart
View file

@ -216,23 +216,17 @@ class _SftpExplorerState extends State<SftpExplorer> {
final files = await openFiles();
filePaths = files.map((file) => file.path).toList();
}
try {
bool start = true;
await for (final progress in widget.sftpWorker.uploadFiles(path, filePaths)) {
if (start) {
start = false;
_listDir();
}
setState(() => _uploadProgress = progress);
if (progress == 1) {
// TODO: fix: next file also starts to show
_listDir();
for (final filePath in filePaths) {
try {
await for (final progress in widget.sftpWorker.uploadFile(path, filePath)) {
setState(() => _uploadProgress = progress);
}
await _listDir();
}
}
catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(buildErrorSnackBar(context, e.toString()));
catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(buildErrorSnackBar(context, e.toString()));
}
}
}
setState(() => _uploadProgress = null);

124
lib/sftp_worker.dart
View file

@ -15,11 +15,11 @@ class ListDir extends SftpCommand {
ListDir(this.path);
}
class UploadFiles extends SftpCommand {
class UploadFile extends SftpCommand {
final String path;
final List<String> filePaths;
final String filePath;
UploadFiles(this.path, this.filePaths);
UploadFile(this.path, this.filePath);
}
class MkDir extends SftpCommand {
@ -42,12 +42,12 @@ class Rename extends SftpCommand {
Rename(this.oldpath, this.newpath);
}
class DownloadFiles extends SftpCommand {
final List<SftpName> files;
class DownloadFile extends SftpCommand {
final SftpName file;
final String path;
final String downloadPath;
DownloadFiles(this.files, this.path, this.downloadPath);
DownloadFile(this.file, this.path, this.downloadPath);
}
@ -120,33 +120,30 @@ class SftpWorker {
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
case UploadFiles(:final path, :final filePaths):
for (var filePath in filePaths) {
try {
final file = File(filePath);
final fileSize = await file.length();
final remoteFile = await sftpClient.open(
'$path${basename(filePath)}',
mode: SftpFileOpenMode.create | SftpFileOpenMode.write | SftpFileOpenMode.exclusive
);
bool timeout = true;
await remoteFile.write(
file.openRead().cast(),
onProgress: (progress) {
if (timeout) {
timeout = false;
sendPort.send((id, progress/fileSize));
Future.delayed(Duration(seconds: 2), () => timeout = true);
}
case UploadFile(:final path, :final filePath):
try {
final file = File(filePath);
final fileSize = await file.length();
final remoteFile = await sftpClient.open(
'$path${basename(filePath)}',
mode: SftpFileOpenMode.create | SftpFileOpenMode.write | SftpFileOpenMode.exclusive
);
bool timeout = true;
await remoteFile.write(
file.openRead().cast(),
onProgress: (progress) {
if (timeout) {
timeout = false;
sendPort.send((id, progress/fileSize));
Future.delayed(Duration(seconds: 2), () => timeout = true);
}
);
}
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
sendPort.send((id, 1.0));
}
);
}
sendPort.send((id, null));
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
sendPort.send((id, 1.0));
case MkDir(:final path):
try {
await sftpClient.mkdir(path);
@ -190,42 +187,39 @@ class SftpWorker {
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
case DownloadFiles(:final files, :final path, :final downloadPath):
for (final file in files) {
try {
final localFile = File('$downloadPath/${file.filename}');
if (await localFile.exists()) {
sendPort.send((id, RemoteError('File Already Exists', '')));
continue;
}
final localFileWriter = await localFile.open(mode: FileMode.write);
final remoteFile = await sftpClient.open('$path${file.filename}');
final fileSize = file.attr.size!;
bool timeout = true;
await for (final bytes in remoteFile.read(
onProgress: (progress) {
if (timeout) {
timeout = false;
sendPort.send((id, progress/fileSize));
Future.delayed(Duration(seconds: 2), () => timeout = true);
}
case DownloadFile(:final file, :final path, :final downloadPath):
try {
final localFile = File('$downloadPath/${file.filename}');
if (await localFile.exists()) {
sendPort.send((id, RemoteError('File Already Exists', '')));
break;
}
final localFileWriter = await localFile.open(mode: FileMode.write);
final remoteFile = await sftpClient.open('$path${file.filename}');
final fileSize = file.attr.size!;
bool timeout = true;
await for (final bytes in remoteFile.read(
onProgress: (progress) {
if (timeout) {
timeout = false;
sendPort.send((id, progress/fileSize));
Future.delayed(Duration(seconds: 2), () => timeout = true);
}
)) {
await localFileWriter.writeFrom(bytes);
}
)) {
await localFileWriter.writeFrom(bytes);
}
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
sendPort.send((id, 1.0));
}
sendPort.send((id, null));
on SftpStatusError catch (e) {
sendPort.send((id, RemoteError(e.message, '')));
}
sendPort.send((id, 1.0));
}
});
}
void _sftpResponseHandler(dynamic message) {
final (int id, Object? response) = message;
final (int id, Object response) = message;
if (_activeRequests[id] is Completer) {
final completer = _activeRequests.remove(id)!;
@ -243,13 +237,11 @@ class SftpWorker {
controller.addError(response);
}
else {
if (response == null) {
controller.add(response);
if (response == 1) {
controller.close();
_activeRequests.remove(id);
}
else {
controller.add(response);
}
}
}
}
@ -264,11 +256,11 @@ class SftpWorker {
}
Stream<double> uploadFiles(String path, List<String> filePaths) {
Stream<double> uploadFile(String path, String filePath) {
final controller = StreamController<double>();
final id = _idCounter++;
_activeRequests[id] = controller;
_commands.send((id, UploadFiles(path, filePaths)));
_commands.send((id, UploadFile(path, filePath)));
return controller.stream;
}
@ -296,11 +288,11 @@ class SftpWorker {
await completer.future;
}
Stream<double> downloadFiles(List<SftpName> files, String path, String downloadPath) {
Stream<double> downloadFile(SftpName file, String path, String downloadPath) {
final controller = StreamController<double>();
final id = _idCounter++;
_activeRequests[id] = controller;
_commands.send((id, DownloadFiles(files, path, downloadPath)));
_commands.send((id, DownloadFile(file, path, downloadPath)));
return controller.stream;
}

18
lib/widgets/operation_buttons.dart
View file

@ -123,17 +123,19 @@ class OperationButtons extends StatelessWidget {
onPressed: () async {
final downloadsDir = await getDownloadsDirectory();
if (downloadsDir == null) return;
try {
await for (final progress in sftpWorker.downloadFiles(dirEntries, path, downloadsDir.path)) {
setDownloadProgress(progress);
for (final dirEntry in dirEntries) {
try {
await for (final progress in sftpWorker.downloadFile(dirEntry, path, downloadsDir.path)) {
setDownloadProgress(progress);
}
}
setDownloadProgress(null);
}
catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(buildErrorSnackBar(context, e.toString()));
catch (e) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(buildErrorSnackBar(context, e.toString()));
}
}
}
setDownloadProgress(null);
},
icon: Icon(Icons.download)
)