Reorganize logic code.
This commit is contained in:
Petr Mrázek
330
logic/minecraft/MinecraftVersionList.cpp
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330
logic/minecraft/MinecraftVersionList.cpp
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/* Copyright 2013 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "MinecraftVersionList.h"
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#include "MultiMC.h"
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#include "logic/net/URLConstants.h"
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#include <logic/MMCJson.h>
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#include <QtXml>
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#include <QJsonDocument>
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#include <QJsonObject>
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#include <QJsonArray>
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#include <QJsonValue>
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#include <QJsonParseError>
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#include <QtAlgorithms>
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#include <QtNetwork>
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inline QDateTime timeFromS3Time(QString str)
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{
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return QDateTime::fromString(str, Qt::ISODate);
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}
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MinecraftVersionList::MinecraftVersionList(QObject *parent) : BaseVersionList(parent)
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{
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loadBuiltinList();
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}
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Task *MinecraftVersionList::getLoadTask()
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{
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return new MCVListLoadTask(this);
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}
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bool MinecraftVersionList::isLoaded()
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{
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return m_loaded;
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}
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const BaseVersionPtr MinecraftVersionList::at(int i) const
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{
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return m_vlist.at(i);
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}
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int MinecraftVersionList::count() const
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{
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return m_vlist.count();
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}
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static bool cmpVersions(BaseVersionPtr first, BaseVersionPtr second)
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{
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auto left = std::dynamic_pointer_cast<MinecraftVersion>(first);
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auto right = std::dynamic_pointer_cast<MinecraftVersion>(second);
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return left->timestamp > right->timestamp;
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}
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void MinecraftVersionList::sortInternal()
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{
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qSort(m_vlist.begin(), m_vlist.end(), cmpVersions);
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}
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void MinecraftVersionList::loadBuiltinList()
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{
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// grab the version list data from internal resources.
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QResource versionList(":/versions/minecraft.json");
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QFile filez(versionList.absoluteFilePath());
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filez.open(QIODevice::ReadOnly);
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auto data = filez.readAll();
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// parse the data as json
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QJsonParseError jsonError;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
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QJsonObject root = jsonDoc.object();
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// parse all the versions
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for (const auto version : MMCJson::ensureArray(root.value("versions")))
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{
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QJsonObject versionObj = version.toObject();
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QString versionID = versionObj.value("id").toString("");
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QString versionTimeStr = versionObj.value("releaseTime").toString("");
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QString versionTypeStr = versionObj.value("type").toString("");
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QSet<QString> traits;
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if (versionObj.contains("+traits"))
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{
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for (auto traitVal : MMCJson::ensureArray(versionObj.value("+traits")))
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{
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traits.insert(MMCJson::ensureString(traitVal));
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}
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}
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if (versionID.isEmpty() || versionTimeStr.isEmpty() || versionTypeStr.isEmpty())
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{
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// FIXME: log this somewhere
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continue;
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}
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// Parse the timestamp.
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QDateTime versionTime = timeFromS3Time(versionTimeStr);
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if (!versionTime.isValid())
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{
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// FIXME: log this somewhere
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continue;
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}
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// Get the download URL.
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QString dlUrl = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + versionID + "/";
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// main class and applet class
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QString mainClass = versionObj.value("type").toString("");
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QString appletClass = versionObj.value("type").toString("");
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// Now, we construct the version object and add it to the list.
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std::shared_ptr<MinecraftVersion> mcVersion(new MinecraftVersion());
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mcVersion->m_name = mcVersion->m_descriptor = versionID;
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mcVersion->timestamp = versionTime.toMSecsSinceEpoch();
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mcVersion->download_url = dlUrl;
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mcVersion->is_builtin = true;
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mcVersion->m_appletClass = appletClass;
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mcVersion->m_mainClass = mainClass;
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mcVersion->m_traits = traits;
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m_vlist.append(mcVersion);
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}
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}
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void MinecraftVersionList::sort()
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{
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beginResetModel();
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sortInternal();
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endResetModel();
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}
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BaseVersionPtr MinecraftVersionList::getLatestStable() const
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{
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for (int i = 0; i < m_vlist.length(); i++)
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{
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auto ver = std::dynamic_pointer_cast<MinecraftVersion>(m_vlist.at(i));
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if (ver->is_latest && !ver->is_snapshot)
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{
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return m_vlist.at(i);
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}
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}
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return BaseVersionPtr();
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}
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void MinecraftVersionList::updateListData(QList<BaseVersionPtr> versions)
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{
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beginResetModel();
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for (auto version : versions)
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{
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auto descr = version->descriptor();
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for (auto builtin_v : m_vlist)
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{
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if (descr == builtin_v->descriptor())
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{
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goto SKIP_THIS_ONE;
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}
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}
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m_vlist.append(version);
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SKIP_THIS_ONE:
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{
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}
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}
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m_loaded = true;
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sortInternal();
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endResetModel();
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}
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inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname)
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{
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QDomNodeList elementList = parent.elementsByTagName(tagname);
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if (elementList.count())
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return elementList.at(0).toElement();
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else
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return QDomElement();
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}
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MCVListLoadTask::MCVListLoadTask(MinecraftVersionList *vlist)
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{
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m_list = vlist;
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m_currentStable = NULL;
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vlistReply = nullptr;
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}
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MCVListLoadTask::~MCVListLoadTask()
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{
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}
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void MCVListLoadTask::executeTask()
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{
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setStatus(tr("Loading instance version list..."));
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auto worker = MMC->qnam();
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vlistReply = worker->get(QNetworkRequest(
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QUrl("http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + "versions.json")));
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connect(vlistReply, SIGNAL(finished()), this, SLOT(list_downloaded()));
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}
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void MCVListLoadTask::list_downloaded()
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{
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if (vlistReply->error() != QNetworkReply::NoError)
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{
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vlistReply->deleteLater();
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emitFailed("Failed to load Minecraft main version list" + vlistReply->errorString());
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return;
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}
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auto foo = vlistReply->readAll();
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QJsonParseError jsonError;
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QLOG_INFO() << foo;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(foo, &jsonError);
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vlistReply->deleteLater();
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if (jsonError.error != QJsonParseError::NoError)
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{
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emitFailed("Error parsing version list JSON:" + jsonError.errorString());
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return;
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}
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if (!jsonDoc.isObject())
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{
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emitFailed("Error parsing version list JSON: jsonDoc is not an object");
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return;
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}
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QJsonObject root = jsonDoc.object();
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QString latestReleaseID = "INVALID";
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QString latestSnapshotID = "INVALID";
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try
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{
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QJsonObject latest = MMCJson::ensureObject(root.value("latest"));
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latestReleaseID = MMCJson::ensureString(latest.value("release"));
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latestSnapshotID = MMCJson::ensureString(latest.value("snapshot"));
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}
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catch (MMCError &err)
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{
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QLOG_ERROR()
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<< tr("Error parsing version list JSON: couldn't determine latest versions");
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}
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// Now, get the array of versions.
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if (!root.value("versions").isArray())
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{
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emitFailed(
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"Error parsing version list JSON: version list object is missing 'versions' array");
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return;
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}
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QJsonArray versions = root.value("versions").toArray();
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QList<BaseVersionPtr> tempList;
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for (auto version : versions)
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{
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bool is_snapshot = false;
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bool is_latest = false;
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// Load the version info.
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if (!version.isObject())
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{
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// FIXME: log this somewhere
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continue;
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}
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QJsonObject versionObj = version.toObject();
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QString versionID = versionObj.value("id").toString("");
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QString versionTimeStr = versionObj.value("releaseTime").toString("");
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QString versionTypeStr = versionObj.value("type").toString("");
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if (versionID.isEmpty() || versionTimeStr.isEmpty() || versionTypeStr.isEmpty())
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{
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// FIXME: log this somewhere
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continue;
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}
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// Parse the timestamp.
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QDateTime versionTime = timeFromS3Time(versionTimeStr);
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if (!versionTime.isValid())
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{
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// FIXME: log this somewhere
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continue;
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}
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// OneSix or Legacy. use filter to determine type
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if (versionTypeStr == "release")
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{
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is_latest = (versionID == latestReleaseID);
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is_snapshot = false;
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}
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else if (versionTypeStr == "snapshot") // It's a snapshot... yay
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{
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is_latest = (versionID == latestSnapshotID);
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is_snapshot = true;
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}
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else if (versionTypeStr == "old_alpha")
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{
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is_latest = false;
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is_snapshot = false;
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}
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else if (versionTypeStr == "old_beta")
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{
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is_latest = false;
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is_snapshot = false;
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}
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else
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{
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// FIXME: log this somewhere
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continue;
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}
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// Get the download URL.
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QString dlUrl = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + versionID + "/";
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// Now, we construct the version object and add it to the list.
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std::shared_ptr<MinecraftVersion> mcVersion(new MinecraftVersion());
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mcVersion->m_name = mcVersion->m_descriptor = versionID;
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mcVersion->timestamp = versionTime.toMSecsSinceEpoch();
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mcVersion->download_url = dlUrl;
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mcVersion->is_latest = is_latest;
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mcVersion->is_snapshot = is_snapshot;
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tempList.append(mcVersion);
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}
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m_list->updateListData(tempList);
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emitSucceeded();
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return;
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}
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