1 files changed, 141 insertions, 0 deletions
diff --git a/logic/assets/AssetsMigrateTask.cpp b/logic/assets/AssetsMigrateTask.cpp
new file mode 100644
index 00000000..be45718d
--- /dev/null
+++ b/logic/assets/AssetsMigrateTask.cpp
@@ -0,0 +1,141 @@
+#include "AssetsMigrateTask.h"
+#include "MultiMC.h"
+#include "logger/QsLog.h"
+#include <QJsonObject>
+#include <QJsonDocument>
+#include <QDirIterator>
+#include "gui/dialogs/CustomMessageBox.h"
+#include <QDesktopServices>
+
+AssetsMigrateTask::AssetsMigrateTask(int expected, QObject *parent)
+	: Task(parent)
+{
+	this->m_expected = expected;
+}
+
+void AssetsMigrateTask::executeTask()
+{
+	this->setStatus(tr("Migrating legacy assets..."));
+	this->setProgress(0);
+
+	QDir assets_dir("assets");
+	if (!assets_dir.exists())
+	{
+		emitFailed("Assets directory didn't exist");
+		return;
+	}
+	assets_dir.setFilter(QDir::AllEntries | QDir::NoDotAndDotDot);
+	int base_length = assets_dir.path().length();
+
+	QList<QString> blacklist = {"indexes", "objects", "virtual"};
+
+	if (!assets_dir.exists("objects"))
+		assets_dir.mkdir("objects");
+	QDir objects_dir("assets/objects");
+
+	QDirIterator iterator(assets_dir, QDirIterator::Subdirectories);
+	int successes = 0;
+	int failures = 0;
+	while (iterator.hasNext())
+	{
+		QString currentDir = iterator.next();
+		currentDir = currentDir.remove(0, base_length + 1);
+
+		bool ignore = false;
+		for (QString blacklisted : blacklist)
+		{
+			if (currentDir.startsWith(blacklisted))
+				ignore = true;
+		}
+
+		if (!iterator.fileInfo().isDir() && !ignore)
+		{
+			QString filename = iterator.filePath();
+
+			QFile input(filename);
+			input.open(QIODevice::ReadOnly | QIODevice::WriteOnly);
+			QString sha1sum =
+				QCryptographicHash::hash(input.readAll(), QCryptographicHash::Sha1)
+					.toHex()
+					.constData();
+
+			QString object_name = filename.remove(0, base_length + 1);
+			QLOG_DEBUG() << "Processing" << object_name << ":" << sha1sum << input.size();
+
+			QString object_tlk = sha1sum.left(2);
+			QString object_tlk_dir = objects_dir.path() + "/" + object_tlk;
+
+			QDir tlk_dir(object_tlk_dir);
+			if (!tlk_dir.exists())
+				objects_dir.mkdir(object_tlk);
+
+			QString new_filename = tlk_dir.path() + "/" + sha1sum;
+			QFile new_object(new_filename);
+			if (!new_object.exists())
+			{
+				bool rename_success = input.rename(new_filename);
+				QLOG_DEBUG() << " Doesn't exist, copying to" << new_filename << ":"
+							 << QString::number(rename_success);
+				if (rename_success)
+					successes++;
+				else
+					failures++;
+			}
+			else
+			{
+				input.remove();
+				QLOG_DEBUG() << " Already exists, deleting original and not copying.";
+			}
+
+			this->setProgress(100 * ((successes + failures) / (float) this->m_expected));
+		}
+	}
+
+	if (successes + failures == 0)
+	{
+		this->setProgress(100);
+		QLOG_DEBUG() << "No legacy assets needed importing.";
+	}
+	else
+	{
+		QLOG_DEBUG() << "Finished copying legacy assets:" << successes << "successes and"
+					 << failures << "failures.";
+
+		this->setStatus("Cleaning up legacy assets...");
+		this->setProgress(100);
+
+		QDirIterator cleanup_iterator(assets_dir);
+
+		while (cleanup_iterator.hasNext())
+		{
+			QString currentDir = cleanup_iterator.next();
+			currentDir = currentDir.remove(0, base_length + 1);
+
+			bool ignore = false;
+			for (QString blacklisted : blacklist)
+			{
+				if (currentDir.startsWith(blacklisted))
+					ignore = true;
+			}
+
+			if (cleanup_iterator.fileInfo().isDir() && !ignore)
+			{
+				QString path = cleanup_iterator.filePath();
+				QDir folder(path);
+
+				QLOG_DEBUG() << "Cleaning up legacy assets folder:" << path;
+
+				folder.removeRecursively();
+			}
+		}
+	}
+
+	if(failures > 0)
+	{
+		emitFailed(QString("Failed to migrate %1 legacy assets").arg(failures));
+	}
+	else
+	{
+		emitSucceeded();
+	}
+}