1 files changed, 151 insertions, 0 deletions
diff --git a/archived/projt-launcher/launcher/meta/Version.cpp b/archived/projt-launcher/launcher/meta/Version.cpp
new file mode 100644
index 0000000000..69fe3ab5f1
--- /dev/null
+++ b/archived/projt-launcher/launcher/meta/Version.cpp
@@ -0,0 +1,151 @@
+// SPDX-License-Identifier: GPL-3.0-only
+// SPDX-FileCopyrightText: 2026 Project Tick
+// SPDX-FileContributor: Project Tick Team
+/*
+ *  ProjT Launcher - Minecraft Launcher
+ *  Copyright (C) 2026 Project Tick
+ *
+ *  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, write to the Free Software Foundation,
+ *  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "Version.hpp"
+
+#include <QDateTime>
+#include <algorithm>
+
+#include "JsonFormat.hpp"
+
+namespace projt::meta
+{
+
+	MetaVersion::MetaVersion(const QString& componentUid, const QString& versionId)
+		: m_componentUid(componentUid),
+		  m_versionId(versionId)
+	{}
+
+	QString MetaVersion::name() const
+	{
+		if (m_detailedData)
+			return m_detailedData->name;
+		return m_componentUid;
+	}
+
+	QDateTime MetaVersion::releaseTime() const
+	{
+		return QDateTime::fromMSecsSinceEpoch(m_timestamp * 1000, Qt::UTC);
+	}
+
+	QString MetaVersion::parentComponentVersion() const
+	{
+		auto mcDep = std::find_if(m_dependencies.begin(),
+								  m_dependencies.end(),
+								  [](const ComponentDependency& d)
+								  { return d.uid == "net.minecraft" && !d.equalsVersion.isEmpty(); });
+
+		if (mcDep != m_dependencies.end())
+			return mcDep->equalsVersion;
+
+		auto anyDep = std::find_if(m_dependencies.begin(),
+								   m_dependencies.end(),
+								   [](const ComponentDependency& d) { return !d.equalsVersion.isEmpty(); });
+
+		if (anyDep != m_dependencies.end())
+			return anyDep->equalsVersion;
+
+		return QString();
+	}
+
+	QString MetaVersion::cacheFilePath() const
+	{
+		return m_componentUid + "/" + m_versionId + ".json";
+	}
+
+	void MetaVersion::loadFromJson(const QJsonObject& json)
+	{
+		loadVersionFromJson(json, this);
+	}
+
+	void MetaVersion::updateMetadataFrom(const MetaVersion::Ptr& source)
+	{
+		if (source->m_providesStability && m_stable != source->m_stable)
+			setStable(source->m_stable);
+
+		if (m_releaseType != source->m_releaseType)
+			setReleaseType(source->m_releaseType);
+
+		if (m_timestamp != source->m_timestamp)
+			setReleaseTimestamp(source->m_timestamp);
+
+		if (m_dependencies != source->m_dependencies || m_conflicts != source->m_conflicts)
+		{
+			m_dependencies = source->m_dependencies;
+			m_conflicts	   = source->m_conflicts;
+			emit dependenciesChanged();
+		}
+
+		if (m_volatile != source->m_volatile)
+			setVolatile(source->m_volatile);
+
+		if (!source->m_expectedSha256.isEmpty())
+			m_expectedSha256 = source->m_expectedSha256;
+	}
+
+	void MetaVersion::updateFrom(const MetaVersion::Ptr& source)
+	{
+		updateMetadataFrom(source);
+
+		if (source->m_detailedData)
+			setDetailedData(source->m_detailedData);
+	}
+
+	void MetaVersion::setReleaseType(const QString& type)
+	{
+		m_releaseType = type;
+		emit releaseTypeChanged();
+	}
+
+	void MetaVersion::setReleaseTimestamp(qint64 ts)
+	{
+		m_timestamp = ts;
+		emit timestampChanged();
+	}
+
+	void MetaVersion::setDependencies(const DependencySet& deps, const DependencySet& conflicts)
+	{
+		m_dependencies = deps;
+		m_conflicts	   = conflicts;
+		emit dependenciesChanged();
+	}
+
+	void MetaVersion::setStable(bool stable)
+	{
+		m_stable = stable;
+	}
+
+	void MetaVersion::setVolatile(bool vol)
+	{
+		m_volatile = vol;
+	}
+
+	void MetaVersion::setDetailedData(const VersionFilePtr& data)
+	{
+		m_detailedData = data;
+	}
+
+	void MetaVersion::markAsStableCandidate()
+	{
+		m_providesStability = true;
+	}
+
+} // namespace projt::meta