Move assets migration to a task. Needs threading.

CMakeLists.txt

@@ -414,6 +414,8 @@ logic/JavaCheckerJob.h
 logic/JavaCheckerJob.cpp
 
 # Assets
+logic/assets/AssetsMigrateTask.h
+logic/assets/AssetsMigrateTask.cpp
 logic/assets/AssetsUtils.h
 logic/assets/AssetsUtils.cpp
 )

gui/MainWindow.cpp

@@ -88,6 +88,7 @@
 #include "logic/LegacyInstance.h"
 
 #include "logic/assets/AssetsUtils.h"
+#include "logic/assets/AssetsMigrateTask.h"
 #include <logic/updater/UpdateChecker.h>
 
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow)
@@ -286,8 +287,6 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
 
 	// removing this looks stupid
 	view->setFocus();
-
-	AssetsUtils::migrateOldAssets();
 }
 
 MainWindow::~MainWindow()
@@ -1163,6 +1162,29 @@ void MainWindow::instanceEnded()
 	this->show();
 }
 
+void MainWindow::checkMigrateLegacyAssets()
+{
+	int legacyAssets = AssetsUtils::findLegacyAssets();
+	if(legacyAssets > 0)
+	{
+		ProgressDialog migrateDlg(this);
+		AssetsMigrateTask migrateTask(legacyAssets, &migrateDlg);
+
+		if (migrateDlg.exec(&migrateTask))
+		{
+			QLOG_INFO() << "Assets migration task completed successfully";
+		}
+		else
+		{
+			QLOG_INFO() << "Assets migration task reported failure";
+		}
+	}
+	else
+	{
+		QLOG_INFO() << "Didn't find any legacy assets to migrate";
+	}
+}
+
 void MainWindow::checkSetDefaultJava()
 {
 	bool askForJava = false;

gui/MainWindow.h

@@ -51,6 +51,7 @@ public:
 	void openWebPage(QUrl url);
 
 	void checkSetDefaultJava();
+	void checkMigrateLegacyAssets();
 
 private
 slots:

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();
+	}
+}

logic/assets/AssetsMigrateTask.h

@@ -0,0 +1,18 @@
+#pragma once
+#include "logic/tasks/Task.h"
+#include <QMessageBox>
+#include <QNetworkReply>
+#include <memory>
+
+class AssetsMigrateTask : public Task
+{
+	Q_OBJECT
+public:
+	explicit AssetsMigrateTask(int expected, QObject* parent=0);
+
+protected:
+	virtual void executeTask();
+
+private:
+	int m_expected;
+};

logic/assets/AssetsUtils.cpp

@@ -25,23 +25,18 @@
 
 namespace AssetsUtils
 {
-void migrateOldAssets()
+int findLegacyAssets()
 {
 	QDir assets_dir("assets");
 	if (!assets_dir.exists())
-		return;
+		return 0;
 	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;
+	int found = 0;
 	while (iterator.hasNext())
 	{
 		QString currentDir = iterator.next();
@@ -56,79 +51,11 @@ void migrateOldAssets()
 
 		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.";
-			}
+			found++;
 		}
 	}
 
-	if (successes + failures == 0)
-	{
-		QLOG_DEBUG() << "No legacy assets needed importing.";
-	}
-	else
-	{
-		QLOG_DEBUG() << "Finished copying legacy assets:" << successes << "successes and"
-					 << failures << "failures.";
-
-		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();
-			}
-		}
-	}
+	return found;
 }
 
 /*

logic/assets/AssetsUtils.h

@@ -34,6 +34,6 @@ struct AssetsIndex
 
 namespace AssetsUtils
 {
-void migrateOldAssets();
 bool loadAssetsIndexJson(QString file, AssetsIndex* index);
+int findLegacyAssets();
 }

main.cpp

@@ -8,6 +8,7 @@ int main_gui(MultiMC &app)
 	mainWin.restoreState(QByteArray::fromBase64(MMC->settings()->get("MainWindowState").toByteArray()));
 	mainWin.restoreGeometry(QByteArray::fromBase64(MMC->settings()->get("MainWindowGeometry").toByteArray()));
 	mainWin.show();
+	mainWin.checkMigrateLegacyAssets();
 	mainWin.checkSetDefaultJava();
 	auto exitCode = app.exec();