1 files changed, 235 insertions, 0 deletions
diff --git a/api/logic/meta/VersionList.cpp b/api/logic/meta/VersionList.cpp
new file mode 100644
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--- /dev/null
+++ b/api/logic/meta/VersionList.cpp
@@ -0,0 +1,235 @@
+/* Copyright 2015-2017 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"
+
+namespace Meta
+{
+VersionList::VersionList(const QString &uid, QObject *parent)
+	: BaseVersionList(parent), m_uid(uid)
+{
+	setObjectName("Version list: " + uid);
+}
+
+shared_qobject_ptr<Task> VersionList::getLoadTask()
+{
+	load();
+	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:
+	{
+		auto parentUid = this->parentUid();
+		if(parentUid.isEmpty())
+		{
+			return QVariant();
+		}
+		auto & reqs = version->requires();
+		auto iter = reqs.find(parentUid);
+		if (iter != reqs.end())
+		{
+			return iter.value();
+		}
+	}
+	case TypeRole: return version->type();
+
+	case UidRole: return version->uid();
+	case TimeRole: return version->time();
+	case RequiresRole: return QVariant::fromValue(version->requires());
+	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));
+	}
+
+	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);
+}
+
+void VersionList::merge(const BaseEntity::Ptr &other)
+{
+	const VersionListPtr list = std::dynamic_pointer_cast<VersionList>(other);
+	if (m_name != list->m_name)
+	{
+		setName(list->m_name);
+	}
+
+	if(m_parentUid != list->m_parentUid)
+	{
+		setParentUid(list->m_parentUid);
+	}
+
+	if (m_versions.isEmpty())
+	{
+		setVersions(list->m_versions);
+	}
+	else
+	{
+		for (const VersionPtr &version : list->m_versions)
+		{
+			if (m_lookup.contains(version->version()))
+			{
+				m_lookup.value(version->version())->merge(version);
+			}
+			else
+			{
+				beginInsertRows(QModelIndex(), m_versions.size(), m_versions.size());
+				setupAddedVersion(m_versions.size(), version);
+				m_versions.append(version);
+				m_lookup.insert(version->uid(), version);
+				endInsertRows();
+
+				if (!m_recommended || (version->type() == "release" && version->rawTime() > m_recommended->rawTime()))
+				{
+					m_recommended = version;
+					emit dataChanged(index(0), index(m_versions.size() - 1), QVector<int>() << RecommendedRole);
+				}
+			}
+		}
+	}
+}
+
+void VersionList::setupAddedVersion(const int row, const VersionPtr &version)
+{
+	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;
+}
+
+}
+
+void Meta::VersionList::setParentUid(const QString& parentUid)
+{
+	m_parentUid = parentUid;
+}
+
+
+#include "VersionList.moc"