1 files changed, 110 insertions, 0 deletions
diff --git a/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp b/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
new file mode 100644
index 00000000..029b47a5
--- /dev/null
+++ b/launcher/modplatform/modrinth/ModrinthPackExportTask.cpp
@@ -0,0 +1,110 @@
+// 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 "ModrinthPackExportTask.h"
+#include <QFileInfoList>
+#include <QMessageBox>
+#include "MMCZip.h"
+#include "minecraft/MinecraftInstance.h"
+#include "minecraft/PackProfile.h"
+
+ModrinthPackExportTask::ModrinthPackExportTask(const QString& name,
+                                               const QString& version,
+                                               const QString& summary,
+                                               InstancePtr instance,
+                                               const QString& output,
+                                               MMCZip::FilterFunction filter)
+    : name(name), version(version), summary(summary), instance(instance), output(output), filter(filter)
+{}
+
+void ModrinthPackExportTask::executeTask()
+{
+    QFileInfoList files;
+    if (!MMCZip::collectFileListRecursively(instance->gameRoot(), nullptr, &files, filter)) {
+        emitFailed(tr("Could not collect list of files"));
+        return;
+    }
+
+    setStatus("Adding files...");
+
+    QuaZip zip(output);
+    if (!zip.open(QuaZip::mdCreate)) {
+        QFile::remove(output);
+        emitFailed(tr("Could not create file"));
+        return;
+    }
+
+    {
+        QuaZipFile indexFile(&zip);
+        if (!indexFile.open(QIODevice::WriteOnly, QuaZipNewInfo("modrinth.index.json"))) {
+            QFile::remove(output);
+
+            emitFailed(tr("Could not create index"));
+            return;
+        }
+        indexFile.write(generateIndex());
+    }
+
+    // should exist
+    QDir dotMinecraft(instance->gameRoot());
+
+    {
+        size_t i = 0;
+        for (const QFileInfo& file : files) {
+            setProgress(i, files.length());
+            if (!JlCompress::compressFile(&zip, file.absoluteFilePath(),
+                                          "overrides/" + dotMinecraft.relativeFilePath(file.absoluteFilePath()))) {
+                emitFailed(tr("Could not compress %1").arg(file.absoluteFilePath()));
+                return;
+            }
+            i++;
+        }
+    }
+
+    zip.close();
+
+    if (zip.getZipError() != 0) {
+        QFile::remove(output);
+        emitFailed(tr("A zip error occured"));
+        return;
+    }
+
+	emitSucceeded();
+}
+
+QByteArray ModrinthPackExportTask::generateIndex()
+{
+    QJsonObject obj;
+    obj["formatVersion"] = 1;
+    obj["game"] = "minecraft";
+    obj["name"] = name;
+    obj["versionId"] = version;
+    obj["summary"] = summary;
+
+    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);
+}
+\ No newline at end of file