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#include "userrestoreoperation.h"
#include <QFile>
#include <QDirIterator>
#include "flipperzero/devicestate.h"
#include "flipperzero/protobufsession.h"
#include "flipperzero/rpc/storagemkdiroperation.h"
#include "flipperzero/rpc/storagewriteoperation.h"
#include "flipperzero/rpc/storageremoveoperation.h"
#include "tarzipuncompressor.h"
#include "tempdirectories.h"
using namespace Flipper;
using namespace Zero;
UserRestoreOperation::UserRestoreOperation(ProtobufSession *rpc, DeviceState *deviceState, const QUrl &backupUrl, QObject *parent):
AbstractUtilityOperation(rpc, deviceState, parent),
m_backupUrl(backupUrl),
m_tempDir(QStringLiteral("%1/%2-backup-XXXXXX").arg(globalTempDirs->root().absolutePath(), deviceState->deviceInfo().name)),
m_workDir(m_tempDir.path()),
m_remoteDirName(QByteArrayLiteral("/int"))
{
m_workDir.setFilter(QDir::Files | QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden);
m_workDir.setSorting(QDir::Name | QDir::DirsFirst);
}
const QString UserRestoreOperation::description() const
{
return QStringLiteral("Restore %1 @%2").arg(m_remoteDirName, deviceState()->name());
}
void UserRestoreOperation::nextStateLogic()
{
if(operationState() == Ready) {
setOperationState(UncompressingArchive);
uncompressArchive();
} else if(operationState() == UncompressingArchive) {
setOperationState(State::ReadingBackupDir);
readBackupDir();
} else if(operationState() == State::ReadingBackupDir) {
setOperationState(State::DeletingFiles);
deleteFiles();
} else if(operationState() == State::DeletingFiles) {
setOperationState(State::WritingFiles);
writeFiles();
} else if(operationState() == State::WritingFiles) {
finish();
}
}
void UserRestoreOperation::uncompressArchive()
{
auto *tarZipFile = new QFile(m_backupUrl.toLocalFile(), this);
auto *uncompressor = new TarZipUncompressor(tarZipFile, m_workDir, this);
if(uncompressor->isError()) {
finishWithError(uncompressor->error(), uncompressor->errorString());
return;
}
connect(uncompressor, &TarZipUncompressor::finished, this, [=]() {
if(uncompressor->isError()) {
finishWithError(uncompressor->error(), uncompressor->errorString());
} else {
advanceOperationState();
}
});
}
void UserRestoreOperation::readBackupDir()
{
if(!m_workDir.exists(m_remoteDirName.mid(1))) {
finishWithError(BackendError::DiskError, QStringLiteral("No matching backup directory"));
return;
}
QDirIterator it(m_workDir, QDirIterator::Subdirectories);
while(it.hasNext()) {
m_files.append(QFileInfo(it.next()));
}
if(m_files.isEmpty()) {
finishWithError(BackendError::DiskError, QStringLiteral("Backup directory is empty"));
} else {
advanceOperationState();
}
}
void UserRestoreOperation::deleteFiles()
{
deviceState()->setStatusString(tr("Cleaning up..."));
auto numFiles = m_files.size();
for(const auto &fileInfo : qAsConst(m_files)) {
const auto filePath = QByteArrayLiteral("/") + m_workDir.relativeFilePath(fileInfo.absoluteFilePath()).toLocal8Bit();
const auto isLastFile = (--numFiles == 0);
auto *op = rpc()->storageRemove(filePath);
connect(op, &AbstractOperation::finished, this, [=]() {
if(op->isError()) {
finishWithError(BackendError::OperationError, op->errorString());
} else if(isLastFile) {
advanceOperationState();
}
});
}
}
void UserRestoreOperation::writeFiles()
{
deviceState()->setStatusString(tr("Restoring backup..."));
auto numFiles = m_files.size();
for(const auto &fileInfo: qAsConst(m_files)) {
const auto filePath = QByteArrayLiteral("/") + m_workDir.relativeFilePath(fileInfo.absoluteFilePath()).toLocal8Bit();
const auto isLastFile = (--numFiles == 0);
AbstractOperation *op;
if(fileInfo.isFile()) {
auto *file = new QFile(fileInfo.absoluteFilePath(), this);
op = rpc()->storageWrite(filePath, file);
connect(op, &AbstractOperation::finished, this, [=]() {
file->deleteLater();
});
} else if(fileInfo.isDir()) {
op = rpc()->storageMkdir(filePath);
} else {
finishWithError(BackendError::UnknownError, QStringLiteral("Expected a file or a directory"));
return;
}
connect(op, &AbstractOperation::finished, this, [=]() {
if(op->isError()) {
finishWithError(BackendError::OperationError, op->errorString());
} else if(isLastFile) {
advanceOperationState();
}
op->deleteLater();
});
}
}
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