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#include "DataMigrationTask.h"
#include "FileSystem.h"
#include <QDirIterator>
#include <QFileInfo>
#include <QMap>
#include <QtConcurrent>
DataMigrationTask::DataMigrationTask(QObject* parent,
const QString& sourcePath,
const QString& targetPath,
const IPathMatcher::Ptr pathMatcher)
: Task(parent), m_sourcePath(sourcePath), m_targetPath(targetPath), m_pathMatcher(pathMatcher), m_copy(sourcePath, targetPath)
{
m_copy.matcher(m_pathMatcher.get()).whitelist(true);
}
void DataMigrationTask::executeTask()
{
setStatus(tr("Scanning files..."));
// 1. Scan
// Check how many files we gotta copy
m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), [&] {
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.result()) {
emitFailed("Some error"); // FIXME
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(), [&] {
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()
{
emitFailed(tr("Aborted"));
}
void DataMigrationTask::copyFinished()
{
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &DataMigrationTask::copyFinished);
disconnect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &DataMigrationTask::copyAborted);
if (!m_copyFuture.result()) {
emitFailed("Some paths could not be copied!");
return;
}
emitSucceeded();
}
void DataMigrationTask::copyAborted()
{
emitFailed(tr("Aborted"));
}
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