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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* === Upstream License Block (Do Not Modify) ==============================
======================================================================== */
#include "DataMigrationTask.h"
#include "FileSystem.h"
#include <QDirIterator>
#include <QFileInfo>
#include <QMap>
#include <QtConcurrent>
DataMigrationTask::DataMigrationTask(const QString& sourcePath, const QString& targetPath, Filter pathMatcher)
: Task(),
m_sourcePath(sourcePath),
m_targetPath(targetPath),
m_pathMatcher(pathMatcher),
m_copy(sourcePath, targetPath)
{
m_copy.matcher(m_pathMatcher).whitelist(true);
}
void DataMigrationTask::executeTask()
{
setStatus(tr("Scanning files..."));
// 1. Scan
// Check how many files we gotta copy
m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(),
[this]
{
return m_copy(true); // dry run to collect amount of files
});
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::dryRunFinished);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::dryRunAborted);
m_copyFutureWatcher.setFuture(m_copyFuture);
}
void DataMigrationTask::dryRunFinished()
{
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::dryRunFinished);
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::dryRunAborted);
if (!m_copyFuture.isValid() || !m_copyFuture.result())
{
emitFailed(tr("Failed to scan source path."));
return;
}
// 2. Copy
// Actually copy all files now.
m_toCopy = m_copy.totalCopied();
connect(&m_copy,
&FS::copy::fileCopied,
[&, this](const QString& relativeName)
{
QString shortenedName = relativeName;
// shorten the filename to hopefully fit into one line
if (shortenedName.length() > 50)
shortenedName = relativeName.left(20) + "…" + relativeName.right(29);
setProgress(m_copy.totalCopied(), m_toCopy);
setStatus(tr("Copying %1…").arg(shortenedName));
});
m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(),
[this]
{
return m_copy(false); // actually copy now
});
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::copyFinished);
connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::copyAborted);
m_copyFutureWatcher.setFuture(m_copyFuture);
}
void DataMigrationTask::dryRunAborted()
{
emitAborted();
}
void DataMigrationTask::copyFinished()
{
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::copyFinished);
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::copyAborted);
if (!m_copyFuture.isValid() || !m_copyFuture.result())
{
emitFailed(tr("Some paths could not be copied!"));
return;
}
emitSucceeded();
}
void DataMigrationTask::copyAborted()
{
emitAborted();
}
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