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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "fileextractor.h"
#include <QQmlEngine>
#include <QStorageInfo>
#include <extensionsystem/pluginmanager.h>
#include <extensionsystem/pluginspec.h>
#include <utils/algorithm.h>
#include <utils/archive.h>
#include <utils/fileutils.h>
#include <utils/qtcassert.h>
namespace QmlDesigner {
FileExtractor::FileExtractor(QObject *parent)
: QObject(parent)
{
m_timer.setInterval(100);
m_timer.setSingleShot(false);
QObject::connect(this, &FileExtractor::targetFolderExistsChanged, this, [this]() {
if (targetFolderExists())
m_birthTime = QFileInfo(m_targetPath.toString() + "/" + m_archiveName).birthTime();
else
m_birthTime = QDateTime();
emit birthTimeChanged();
});
QObject::connect(
&m_timer, &QTimer::timeout, this, [this]() {
static QHash<QString, int> hash;
QDirIterator it(m_targetFolder, {"*.*"}, QDir::Files, QDirIterator::Subdirectories);
int count = 0;
while (it.hasNext()) {
if (!hash.contains(it.fileName())) {
m_currentFile = it.fileName();
hash.insert(m_currentFile, 0);
emit currentFileChanged();
}
it.next();
count++;
}
qint64 currentSize = m_bytesBefore
- QStorageInfo(m_targetPath.toFileInfo().dir()).bytesAvailable();
// We can not get the uncompressed size of the archive yet, that is why we use an
// approximation. We assume a 50% compression rate.
int progress = 0;
if (m_compressedSize > 0)
progress = std::min(100ll, currentSize * 100 / m_compressedSize * 2);
if (progress >= 0) {
m_progress = progress;
emit progressChanged();
} else {
qWarning() << "FileExtractor has got negative progress. Likely due to QStorageInfo.";
}
m_size = QString::number(currentSize);
m_count = QString::number(count);
emit sizeChanged();
});
}
FileExtractor::~FileExtractor() {}
void FileExtractor::changeTargetPath(const QString &path)
{
m_targetPath = Utils::FilePath::fromString(path);
emit targetPathChanged();
emit targetFolderExistsChanged();
}
QString FileExtractor::targetPath() const
{
return m_targetPath.toUserOutput();
}
void FileExtractor::setTargetPath(const QString &path)
{
m_targetPath = Utils::FilePath::fromString(path);
QDir dir(m_targetPath.toString());
if (!path.isEmpty() && !dir.exists()) {
// Even though m_targetPath will be created eventually, we need to make sure the path exists
// before m_bytesBefore is being calculated.
dir.mkpath(m_targetPath.toString());
}
}
void FileExtractor::browse()
{
const Utils::FilePath path =
Utils::FileUtils::getExistingDirectory(nullptr, tr("Choose Directory"), m_targetPath);
if (!path.isEmpty())
m_targetPath = path;
emit targetPathChanged();
emit targetFolderExistsChanged();
}
void FileExtractor::setSourceFile(const QString &sourceFilePath)
{
m_sourceFile = Utils::FilePath::fromString(sourceFilePath);
emit targetFolderExistsChanged();
}
void FileExtractor::setArchiveName(const QString &filePath)
{
m_archiveName = filePath;
emit targetFolderExistsChanged();
}
const QString FileExtractor::detailedText() const
{
return m_detailedText;
}
void FileExtractor::setClearTargetPathContents(bool value)
{
if (m_clearTargetPathContents != value) {
m_clearTargetPathContents = value;
emit clearTargetPathContentsChanged();
}
}
bool FileExtractor::clearTargetPathContents() const
{
return m_clearTargetPathContents;
}
void FileExtractor::setAlwaysCreateDir(bool value)
{
if (m_alwaysCreateDir != value) {
m_alwaysCreateDir = value;
emit alwaysCreateDirChanged();
}
}
bool FileExtractor::alwaysCreateDir() const
{
return m_alwaysCreateDir;
}
bool FileExtractor::finished() const
{
return m_finished;
}
QString FileExtractor::currentFile() const
{
return m_currentFile;
}
QString FileExtractor::size() const
{
return m_size;
}
QString FileExtractor::count() const
{
return m_count;
}
bool FileExtractor::targetFolderExists() const
{
return QFileInfo::exists(m_targetPath.toString() + "/" + m_archiveName);
}
int FileExtractor::progress() const
{
return m_progress;
}
QDateTime FileExtractor::birthTime() const
{
return m_birthTime;
}
QString FileExtractor::archiveName() const
{
return m_archiveName;
}
QString FileExtractor::sourceFile() const
{
return m_sourceFile.toString();
}
void FileExtractor::extract()
{
m_targetFolder = m_targetPath.toString() + "/" + m_archiveName;
// If the target directory already exists, remove it and its content
QDir targetDir(m_targetFolder);
if (targetDir.exists() && m_clearTargetPathContents)
targetDir.removeRecursively();
if (m_alwaysCreateDir) {
// Create a new directory to generate a proper creation date
targetDir.mkdir(m_targetFolder);
}
Utils::Archive *archive = new Utils::Archive(m_sourceFile, m_targetPath);
QTC_ASSERT(archive->isValid(), delete archive; return);
m_timer.start();
m_bytesBefore = QStorageInfo(m_targetPath.toFileInfo().dir()).bytesAvailable();
m_compressedSize = QFileInfo(m_sourceFile.toString()).size();
if (m_compressedSize <= 0)
qWarning() << "Compressed size for file '" << m_sourceFile << "' is zero or invalid: " << m_compressedSize;
QObject::connect(archive, &Utils::Archive::outputReceived, this, [this](const QString &output) {
m_detailedText += output;
emit detailedTextChanged();
});
QObject::connect(archive, &Utils::Archive::finished, this, [this, archive](bool ret) {
archive->deleteLater();
m_finished = ret;
m_timer.stop();
m_progress = 100;
emit progressChanged();
emit targetFolderExistsChanged();
emit finishedChanged();
QTC_CHECK(ret);
});
archive->unarchive();
}
} // namespace QmlDesigner
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