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+/* SPDX-FileCopyrightText: 2026 Project Tick
+ * SPDX-FileContributor: Project Tick
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * MeshMC - A Custom Launcher for Minecraft
+ * 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright 2015-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VersionList.h"
+
+#include <QDateTime>
+
+#include "Version.h"
+#include "JsonFormat.h"
+#include "Version.h"
+
+namespace Meta
+{
+ VersionList::VersionList(const QString& uid, QObject* parent)
+ : BaseVersionList(parent), m_uid(uid)
+ {
+ setObjectName("Version list: " + uid);
+ }
+
+ Task::Ptr VersionList::getLoadTask()
+ {
+ load(Net::Mode::Online);
+ return getCurrentTask();
+ }
+
+ bool VersionList::isLoaded()
+ {
+ return BaseEntity::isLoaded();
+ }
+
+ const BaseVersionPtr VersionList::at(int i) const
+ {
+ return m_versions.at(i);
+ }
+ int VersionList::count() const
+ {
+ return m_versions.size();
+ }
+
+ void VersionList::sortVersions()
+ {
+ beginResetModel();
+ std::sort(m_versions.begin(), m_versions.end(),
+ [](const VersionPtr& a, const VersionPtr& b) {
+ return *a.get() < *b.get();
+ });
+ endResetModel();
+ }
+
+ QVariant VersionList::data(const QModelIndex& index, int role) const
+ {
+ if (!index.isValid() || index.row() < 0 ||
+ index.row() >= m_versions.size() || index.parent().isValid()) {
+ return QVariant();
+ }
+
+ VersionPtr version = m_versions.at(index.row());
+
+ switch (role) {
+ case VersionPointerRole:
+ return QVariant::fromValue(
+ std::dynamic_pointer_cast<BaseVersion>(version));
+ case VersionRole:
+ case VersionIdRole:
+ return version->version();
+ case ParentVersionRole: {
+ // FIXME: HACK: this should be generic and be replaced by
+ // something else. Anything that is a hard 'equals' dep is a
+ // 'parent uid'.
+ auto& reqs = version->requirements();
+ auto iter = std::find_if(reqs.begin(), reqs.end(),
+ [](const Require& req) {
+ return req.uid == "net.minecraft";
+ });
+ if (iter != reqs.end()) {
+ return (*iter).equalsVersion;
+ }
+ return QVariant();
+ }
+ case TypeRole:
+ return version->type();
+
+ case UidRole:
+ return version->uid();
+ case TimeRole:
+ return version->time();
+ case RequiresRole:
+ return QVariant::fromValue(version->requirements());
+ case SortRole:
+ return version->rawTime();
+ case VersionPtrRole:
+ return QVariant::fromValue(version);
+ case RecommendedRole:
+ return version->isRecommended();
+ // FIXME: this should be determined in whatever view/proxy is
+ // used... case LatestRole: return version == getLatestStable();
+ default:
+ return QVariant();
+ }
+ }
+
+ BaseVersionList::RoleList VersionList::providesRoles() const
+ {
+ return {VersionPointerRole, VersionRole, VersionIdRole,
+ ParentVersionRole, TypeRole, UidRole,
+ TimeRole, RequiresRole, SortRole,
+ RecommendedRole, LatestRole, VersionPtrRole};
+ }
+
+ QHash<int, QByteArray> VersionList::roleNames() const
+ {
+ QHash<int, QByteArray> roles = BaseVersionList::roleNames();
+ roles.insert(UidRole, "uid");
+ roles.insert(TimeRole, "time");
+ roles.insert(SortRole, "sort");
+ roles.insert(RequiresRole, "requires");
+ return roles;
+ }
+
+ QString VersionList::localFilename() const
+ {
+ return m_uid + "/index.json";
+ }
+
+ QString VersionList::humanReadable() const
+ {
+ return m_name.isEmpty() ? m_uid : m_name;
+ }
+
+ VersionPtr VersionList::getVersion(const QString& version)
+ {
+ VersionPtr out = m_lookup.value(version, nullptr);
+ if (!out) {
+ out = std::make_shared<Version>(m_uid, version);
+ m_lookup[version] = out;
+ }
+ return out;
+ }
+
+ void VersionList::setName(const QString& name)
+ {
+ m_name = name;
+ emit nameChanged(name);
+ }
+
+ void VersionList::setVersions(const QVector<VersionPtr>& versions)
+ {
+ beginResetModel();
+ m_versions = versions;
+ std::sort(m_versions.begin(), m_versions.end(),
+ [](const VersionPtr& a, const VersionPtr& b) {
+ return a->rawTime() > b->rawTime();
+ });
+ for (int i = 0; i < m_versions.size(); ++i) {
+ m_lookup.insert(m_versions.at(i)->version(), m_versions.at(i));
+ setupAddedVersion(i, m_versions.at(i));
+ }
+
+ // FIXME: this is dumb, we have 'recommended' as part of the metadata
+ // already...
+ auto recommendedIt = std::find_if(
+ m_versions.constBegin(), m_versions.constEnd(),
+ [](const VersionPtr& ptr) { return ptr->type() == "release"; });
+ m_recommended =
+ recommendedIt == m_versions.constEnd() ? nullptr : *recommendedIt;
+ endResetModel();
+ }
+
+ void VersionList::parse(const QJsonObject& obj)
+ {
+ parseVersionList(obj, this);
+ }
+
+ // FIXME: this is dumb, we have 'recommended' as part of the metadata
+ // already...
+ static const Meta::VersionPtr& getBetterVersion(const Meta::VersionPtr& a,
+ const Meta::VersionPtr& b)
+ {
+ if (!a)
+ return b;
+ if (!b)
+ return a;
+ if (a->type() == b->type()) {
+ // newer of same type wins
+ return (a->rawTime() > b->rawTime() ? a : b);
+ }
+ // 'release' type wins
+ return (a->type() == "release" ? a : b);
+ }
+
+ void VersionList::mergeFromIndex(const VersionListPtr& other)
+ {
+ if (m_name != other->m_name) {
+ setName(other->m_name);
+ }
+ }
+
+ void VersionList::merge(const VersionListPtr& other)
+ {
+ if (m_name != other->m_name) {
+ setName(other->m_name);
+ }
+
+ // TODO: do not reset the whole model. maybe?
+ beginResetModel();
+ m_versions.clear();
+ if (other->m_versions.isEmpty()) {
+ qWarning() << "Empty list loaded ...";
+ }
+ for (const VersionPtr& version : other->m_versions) {
+ // we already have the version. merge the contents
+ if (m_lookup.contains(version->version())) {
+ m_lookup.value(version->version())->mergeFromList(version);
+ } else {
+ m_lookup.insert(version->uid(), version);
+ }
+ // connect it.
+ setupAddedVersion(m_versions.size(), version);
+ m_versions.append(version);
+ m_recommended = getBetterVersion(m_recommended, version);
+ }
+ endResetModel();
+ }
+
+ void VersionList::setupAddedVersion(const int row,
+ const VersionPtr& version)
+ {
+ // FIXME: do not disconnect from everythin, disconnect only the lambdas
+ // here
+ version->disconnect();
+ connect(version.get(), &Version::requiresChanged, this, [this, row]() {
+ emit dataChanged(index(row), index(row),
+ QVector<int>() << RequiresRole);
+ });
+ connect(version.get(), &Version::timeChanged, this, [this, row]() {
+ emit dataChanged(index(row), index(row),
+ QVector<int>() << TimeRole << SortRole);
+ });
+ connect(version.get(), &Version::typeChanged, this, [this, row]() {
+ emit dataChanged(index(row), index(row),
+ QVector<int>() << TypeRole);
+ });
+ }
+
+ BaseVersionPtr VersionList::getRecommended() const
+ {
+ return m_recommended;
+ }
+
+} // namespace Meta
generated by cgit 0.0.5-2-1-g0f52 (git 2.46.0) at 2026-04-05 16:16:14 +0000