pollymc/logic/lists/ForgeVersionList.cpp

282 lines
6.2 KiB
C++

/* 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 "ForgeVersionList.h"
#include <logic/net/DownloadJob.h>
#include "MultiMC.h"
#include <QtNetwork>
#include <QtXml>
#include <QRegExp>
#define JSON_URL "http://files.minecraftforge.net/minecraftforge/json"
ForgeVersionList::ForgeVersionList(QObject *parent) : BaseVersionList(parent)
{
}
Task *ForgeVersionList::getLoadTask()
{
return new ForgeListLoadTask(this);
}
bool ForgeVersionList::isLoaded()
{
return m_loaded;
}
const BaseVersionPtr ForgeVersionList::at(int i) const
{
return m_vlist.at(i);
}
int ForgeVersionList::count() const
{
return m_vlist.count();
}
int ForgeVersionList::columnCount(const QModelIndex &parent) const
{
return 3;
}
QVariant ForgeVersionList::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row() > count())
return QVariant();
auto version = m_vlist[index.row()].dynamicCast<ForgeVersion>();
switch (role)
{
case Qt::DisplayRole:
switch (index.column())
{
case 0:
return version->name();
case 1:
return version->mcver;
case 2:
return version->typeString();
default:
return QVariant();
}
case Qt::ToolTipRole:
return version->descriptor();
case VersionPointerRole:
return qVariantFromValue(m_vlist[index.row()]);
default:
return QVariant();
}
}
QVariant ForgeVersionList::headerData(int section, Qt::Orientation orientation, int role) const
{
switch (role)
{
case Qt::DisplayRole:
switch (section)
{
case 0:
return "Version";
case 1:
return "Minecraft";
case 2:
return "Type";
default:
return QVariant();
}
case Qt::ToolTipRole:
switch (section)
{
case 0:
return "The name of the version.";
case 1:
return "Minecraft version";
case 2:
return "The version's type.";
default:
return QVariant();
}
default:
return QVariant();
}
}
BaseVersionPtr ForgeVersionList::getLatestStable() const
{
return BaseVersionPtr();
}
void ForgeVersionList::updateListData(QList<BaseVersionPtr> versions)
{
beginResetModel();
m_vlist = versions;
m_loaded = true;
endResetModel();
// NOW SORT!!
// sort();
}
void ForgeVersionList::sort()
{
// NO-OP for now
}
ForgeListLoadTask::ForgeListLoadTask(ForgeVersionList *vlist) : Task()
{
m_list = vlist;
}
void ForgeListLoadTask::executeTask()
{
auto job = new DownloadJob("Version index");
// we do not care if the version is stale or not.
auto forgeListEntry = MMC->metacache()->resolveEntry("minecraftforge", "list.json");
job->addCacheDownload(QUrl(JSON_URL), forgeListEntry);
listJob.reset(job);
connect(listJob.data(), SIGNAL(succeeded()), SLOT(list_downloaded()));
connect(listJob.data(), SIGNAL(failed()), SLOT(versionFileFailed()));
connect(listJob.data(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
listJob->start();
}
void ForgeListLoadTask::list_downloaded()
{
QByteArray data;
{
auto DlJob = listJob->first();
auto filename = DlJob.dynamicCast<CacheDownload>()->m_target_path;
QFile listFile(filename);
if(!listFile.open(QIODevice::ReadOnly))
return;
data = listFile.readAll();
DlJob.reset();
}
QJsonParseError jsonError;
QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
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;
}
QJsonObject root = jsonDoc.object();
// Now, get the array of versions.
if (!root.value("builds").isArray())
{
emitFailed(
"Error parsing version list JSON: version list object is missing 'builds' array");
return;
}
QJsonArray builds = root.value("builds").toArray();
QList<BaseVersionPtr> tempList;
for (int i = 0; i < builds.count(); i++)
{
// Load the version info.
if (!builds[i].isObject())
{
// FIXME: log this somewhere
continue;
}
QJsonObject obj = builds[i].toObject();
int build_nr = obj.value("build").toDouble(0);
if (!build_nr)
continue;
QJsonArray files = obj.value("files").toArray();
QString url, jobbuildver, mcver, buildtype, filename;
QString changelog_url, installer_url;
QString installer_filename;
bool valid = false;
for (int j = 0; j < files.count(); j++)
{
if (!files[j].isObject())
continue;
QJsonObject file = files[j].toObject();
buildtype = file.value("buildtype").toString();
if ((buildtype == "client" || buildtype == "universal") && !valid)
{
mcver = file.value("mcver").toString();
url = file.value("url").toString();
jobbuildver = file.value("jobbuildver").toString();
int lastSlash = url.lastIndexOf('/');
filename = url.mid(lastSlash + 1);
valid = true;
}
else if (buildtype == "changelog")
{
QString ext = file.value("ext").toString();
if (ext.isEmpty())
continue;
changelog_url = file.value("url").toString();
}
else if (buildtype == "installer")
{
installer_url = file.value("url").toString();
int lastSlash = installer_url.lastIndexOf('/');
installer_filename = installer_url.mid(lastSlash + 1);
}
}
if (valid)
{
// Now, we construct the version object and add it to the list.
QSharedPointer<ForgeVersion> fVersion(new ForgeVersion());
fVersion->universal_url = url;
fVersion->changelog_url = changelog_url;
fVersion->installer_url = installer_url;
fVersion->jobbuildver = jobbuildver;
fVersion->mcver = mcver;
if (installer_filename.isEmpty())
fVersion->filename = filename;
else
fVersion->filename = installer_filename;
fVersion->m_buildnr = build_nr;
tempList.append(fVersion);
}
}
m_list->updateListData(tempList);
emitSucceeded();
return;
}