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// SPDX-License-Identifier: GPL-3.0-only
/*
* Prism Launcher - Minecraft Launcher
* Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
*
* 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, see <https://www.gnu.org/licenses/>.
*/
#include "ExportMrPackDialog.h"
#include <QJsonDocument>
#include "FileSystem.h"
#include "minecraft/MinecraftInstance.h"
#include "minecraft/PackProfile.h"
#include "ui_ExportMrPackDialog.h"
#include <QFileDialog>
#include <QFileSystemModel>
#include <QMessageBox>
#include "MMCZip.h"
ExportMrPackDialog::ExportMrPackDialog(InstancePtr instance, QWidget* parent)
: QDialog(parent), instance(instance), ui(new Ui::ExportMrPackDialog)
{
ui->setupUi(this);
ui->name->setText(instance->name());
auto model = new QFileSystemModel(this);
// use the game root - everything outside cannot be exported
QString root = instance->gameRoot();
proxy = new PackIgnoreProxy(root, this);
proxy->setSourceModel(model);
ui->treeView->setModel(proxy);
ui->treeView->setRootIndex(proxy->mapFromSource(model->index(root)));
ui->treeView->sortByColumn(0, Qt::AscendingOrder);
model->setFilter(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::AllDirs | QDir::Hidden);
model->setRootPath(root);
auto headerView = ui->treeView->header();
headerView->setSectionResizeMode(QHeaderView::ResizeToContents);
headerView->setSectionResizeMode(0, QHeaderView::Stretch);
}
ExportMrPackDialog::~ExportMrPackDialog()
{
delete ui;
}
void ExportMrPackDialog::done(int result)
{
if (result == Accepted)
runExport();
QDialog::done(result);
}
void ExportMrPackDialog::runExport()
{
const QString filename = FS::RemoveInvalidFilenameChars(ui->name->text());
const QString output =
QFileDialog::getSaveFileName(this, tr("Export %1").arg(ui->name->text()), FS::PathCombine(QDir::homePath(), filename + ".mrpack"),
"Modrinth modpack (*.mrpack *.zip)", nullptr);
if (output.isEmpty())
return;
QFileInfoList files;
if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files,
[this](const QString& path) { return proxy->blockedPaths().covers(path); })) {
QMessageBox::warning(this, tr("Unable to export modpack"), tr("Could not collect list of files"));
return;
}
QuaZip zip(output);
if (!zip.open(QuaZip::mdCreate)) {
QFile::remove(output);
QMessageBox::warning(this, tr("Unable to export modpack"), tr("Could not create file"));
return;
}
{
QuaZipFile indexFile(&zip);
if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo("modrinth.index.json"))) {
QFile::remove(output);
QMessageBox::warning(this, tr("Unable to export modpack"), tr("Could not create index"));
return;
}
indexFile.write(generateIndex());
}
// should exist
QDir dotMinecraft(instance->gameRoot());
for (const QFileInfo& file : files)
if (!JlCompress::compressFile(&zip, file.absoluteFilePath(), "overrides/" + dotMinecraft.relativeFilePath(file.absoluteFilePath())))
QMessageBox::warning(this, tr("Unable to export modpack"), tr("Could not compress %1").arg(file.absoluteFilePath()));
zip.close();
if (zip.getZipError() != 0) {
QFile::remove(output);
QMessageBox::warning(this, tr("Unable to export modpack"), tr("A zip error occured"));
return;
}
}
QByteArray ExportMrPackDialog::generateIndex()
{
QJsonObject obj;
obj["formatVersion"] = 1;
obj["game"] = "minecraft";
obj["name"] = ui->name->text();
obj["versionId"] = ui->version->text();
obj["summary"] = ui->summary->text();
MinecraftInstance* mc = dynamic_cast<MinecraftInstance*>(instance.get());
if (mc) {
auto profile = mc->getPackProfile();
auto minecraft = profile->getComponent("net.minecraft");
QJsonObject dependencies;
dependencies["minecraft"] = minecraft->m_version;
obj["dependencies"] = dependencies;
}
return QJsonDocument(obj).toJson(QJsonDocument::Compact);
}
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