New, better, liteloader support

1 files changed, 190 insertions, 0 deletions

diff --git a/logic/lists/LiteLoaderVersionList.cpp b/logic/lists/LiteLoaderVersionList.cpp
new file mode 100644
index 00000000..b8cea442
--- /dev/null
+++ b/logic/lists/LiteLoaderVersionList.cpp
@@ -0,0 +1,190 @@
+/* Copyright 2013 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 "LiteLoaderVersionList.h"
+#include "MultiMC.h"
+#include "logic/net/URLConstants.h"
+
+#include <QtXml>
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonValue>
+#include <QJsonParseError>
+
+#include <QtAlgorithms>
+
+#include <QtNetwork>
+
+LiteLoaderVersionList::LiteLoaderVersionList(QObject *parent) : BaseVersionList(parent)
+{
+}
+
+Task *LiteLoaderVersionList::getLoadTask()
+{
+	return new LLListLoadTask(this);
+}
+
+bool LiteLoaderVersionList::isLoaded()
+{
+	return m_loaded;
+}
+
+const BaseVersionPtr LiteLoaderVersionList::at(int i) const
+{
+	return m_vlist.at(i);
+}
+
+int LiteLoaderVersionList::count() const
+{
+	return m_vlist.count();
+}
+
+static bool cmpVersions(BaseVersionPtr first, BaseVersionPtr second)
+{
+	auto left = std::dynamic_pointer_cast<LiteLoaderVersion>(first);
+	auto right = std::dynamic_pointer_cast<LiteLoaderVersion>(second);
+	return left->timestamp > right->timestamp;
+}
+
+void LiteLoaderVersionList::sort()
+{
+	beginResetModel();
+	qSort(m_vlist.begin(), m_vlist.end(), cmpVersions);
+	endResetModel();
+}
+
+BaseVersionPtr LiteLoaderVersionList::getLatestStable() const
+{
+	for (int i = 0; i < m_vlist.length(); i++)
+	{
+		auto ver = std::dynamic_pointer_cast<LiteLoaderVersion>(m_vlist.at(i));
+		if (ver->isLatest)
+		{
+			return m_vlist.at(i);
+		}
+	}
+	return BaseVersionPtr();
+}
+
+void LiteLoaderVersionList::updateListData(QList<BaseVersionPtr> versions)
+{
+	beginResetModel();
+	m_vlist = versions;
+	m_loaded = true;
+	qSort(m_vlist.begin(), m_vlist.end(), cmpVersions);
+	endResetModel();
+}
+
+LLListLoadTask::LLListLoadTask(LiteLoaderVersionList *vlist)
+{
+	m_list = vlist;
+	vlistReply = nullptr;
+}
+
+LLListLoadTask::~LLListLoadTask()
+{
+}
+
+void LLListLoadTask::executeTask()
+{
+	setStatus(tr("Loading LiteLoader version list..."));
+	auto worker = MMC->qnam();
+	vlistReply = worker->get(QNetworkRequest(QUrl(URLConstants::LITELOADER_URL)));
+	connect(vlistReply, SIGNAL(finished()), this, SLOT(listDownloaded()));
+}
+
+void LLListLoadTask::listDownloaded()
+{
+	if (vlistReply->error() != QNetworkReply::NoError)
+	{
+		vlistReply->deleteLater();
+		emitFailed("Failed to load LiteLoader version list" + vlistReply->errorString());
+		return;
+	}
+
+	QJsonParseError jsonError;
+	QJsonDocument jsonDoc = QJsonDocument::fromJson(vlistReply->readAll(), &jsonError);
+	vlistReply->deleteLater();
+
+	if (jsonError.error != QJsonParseError::NoError)
+	{
+		emitFailed("Error parsing version list JSON:" + jsonError.errorString());
+		return;
+	}
+
+	if (!jsonDoc.isObject())
+	{
+		emitFailed("Error parsing version list JSON: jsonDoc is not an object");
+		return;
+	}
+
+	const QJsonObject root = jsonDoc.object();
+
+	// Now, get the array of versions.
+	if (!root.value("versions").isObject())
+	{
+		emitFailed("Error parsing version list JSON: missing 'versions' object");
+		return;
+	}
+	const QJsonObject versions = root.value("versions").toObject();
+
+	QList<BaseVersionPtr> tempList;
+	for (auto vIt = versions.begin(); vIt != versions.end(); ++vIt)
+	{
+		const QString mcVersion = vIt.key();
+		QString latest;
+		const QJsonObject artefacts = vIt.value()
+										  .toObject()
+										  .value("artefacts")
+										  .toObject()
+										  .value("com.mumfrey:liteloader")
+										  .toObject();
+		QList<BaseVersionPtr> perMcVersionList;
+		for (auto aIt = artefacts.begin(); aIt != artefacts.end(); ++aIt)
+		{
+			const QString identifier = aIt.key();
+			const QJsonObject artefact = aIt.value().toObject();
+			if (identifier == "latest")
+			{
+				latest = artefact.value("version").toString();
+				continue;
+			}
+			LiteLoaderVersionPtr version(new LiteLoaderVersion());
+			version->version = artefact.value("version").toString();
+			version->file = artefact.value("file").toString();
+			version->mcVersion = mcVersion;
+			version->md5 = artefact.value("md5").toString();
+			version->timestamp = artefact.value("timestamp").toDouble();
+			version->tweakClass = artefact.value("tweakClass").toString();
+			const QJsonArray libs = artefact.value("libraries").toArray();
+			for (auto lIt = libs.begin(); lIt != libs.end(); ++lIt)
+			{
+				version->libraries.append((*lIt).toObject().value("name").toString());
+			}
+			perMcVersionList.append(version);
+		}
+		for (auto version : perMcVersionList)
+		{
+			auto v = std::dynamic_pointer_cast<LiteLoaderVersion>(version);
+			v->isLatest = v->version == latest;
+		}
+		tempList.append(perMcVersionList);
+	}
+	m_list->updateListData(tempList);
+
+	emitSucceeded();
+}