1 files changed, 51 insertions, 0 deletions
diff --git a/api/logic/minecraft/legacy/LegacyMigrationTask.cpp b/api/logic/minecraft/legacy/LegacyMigrationTask.cpp
new file mode 100644
index 00000000..0d3cef35
--- /dev/null
+++ b/api/logic/minecraft/legacy/LegacyMigrationTask.cpp
@@ -0,0 +1,51 @@
+#include "LegacyMigrationTask.h"
+#include "BaseInstanceProvider.h"
+#include "settings/INISettingsObject.h"
+#include "FileSystem.h"
+#include "NullInstance.h"
+#include "pathmatcher/RegexpMatcher.h"
+#include <QtConcurrentRun>
+
+LegacyMigrationTask::LegacyMigrationTask(SettingsObjectPtr settings, const QString & stagingPath, InstancePtr origInstance)
+{
+	m_globalSettings = settings;
+	m_stagingPath = stagingPath;
+	m_origInstance = origInstance;
+}
+
+void LegacyMigrationTask::executeTask()
+{
+	setStatus(tr("Copying instance %1").arg(m_origInstance->name()));
+
+	FS::copy folderCopy(m_origInstance->instanceRoot(), m_stagingPath);
+	folderCopy.followSymlinks(true);
+
+	m_copyFuture = QtConcurrent::run(QThreadPool::globalInstance(), folderCopy);
+	connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::finished, this, &LegacyMigrationTask::copyFinished);
+	connect(&m_copyFutureWatcher, &QFutureWatcher<bool>::canceled, this, &LegacyMigrationTask::copyAborted);
+	m_copyFutureWatcher.setFuture(m_copyFuture);
+}
+
+void LegacyMigrationTask::copyFinished()
+{
+	auto successful = m_copyFuture.result();
+	if(!successful)
+	{
+		emitFailed(tr("Instance folder copy failed."));
+		return;
+	}
+	// FIXME: shouldn't this be able to report errors?
+	auto instanceSettings = std::make_shared<INISettingsObject>(FS::PathCombine(m_stagingPath, "instance.cfg"));
+	instanceSettings->registerSetting("InstanceType", "Legacy");
+
+	InstancePtr inst(new NullInstance(m_globalSettings, instanceSettings, m_stagingPath));
+	inst->setName(tr("%1 (Migrated)").arg(m_origInstance->name()));
+	emitSucceeded();
+}
+
+void LegacyMigrationTask::copyAborted()
+{
+	emitFailed(tr("Instance folder copy has been aborted."));
+	return;
+}
+