diff options
Diffstat (limited to 'logic/lists/MinecraftVersionList.cpp')
| -rw-r--r-- | logic/lists/MinecraftVersionList.cpp | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/logic/lists/MinecraftVersionList.cpp b/logic/lists/MinecraftVersionList.cpp new file mode 100644 index 00000000..91f86df0 --- /dev/null +++ b/logic/lists/MinecraftVersionList.cpp @@ -0,0 +1,286 @@ +/* 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 "MinecraftVersionList.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> + +MinecraftVersionList::MinecraftVersionList(QObject *parent) : BaseVersionList(parent) +{ +} + +Task *MinecraftVersionList::getLoadTask() +{ + return new MCVListLoadTask(this); +} + +bool MinecraftVersionList::isLoaded() +{ + return m_loaded; +} + +const BaseVersionPtr MinecraftVersionList::at(int i) const +{ + return m_vlist.at(i); +} + +int MinecraftVersionList::count() const +{ + return m_vlist.count(); +} + +bool cmpVersions(BaseVersionPtr first, BaseVersionPtr second) +{ + auto left = std::dynamic_pointer_cast<MinecraftVersion>(first); + auto right = std::dynamic_pointer_cast<MinecraftVersion>(second); + return left->timestamp > right->timestamp; +} + +void MinecraftVersionList::sort() +{ + beginResetModel(); + qSort(m_vlist.begin(), m_vlist.end(), cmpVersions); + endResetModel(); +} + +BaseVersionPtr MinecraftVersionList::getLatestStable() const +{ + for (int i = 0; i < m_vlist.length(); i++) + { + auto ver = std::dynamic_pointer_cast<MinecraftVersion>(m_vlist.at(i)); + if (ver->is_latest && !ver->is_snapshot) + { + return m_vlist.at(i); + } + } + return BaseVersionPtr(); +} + +void MinecraftVersionList::updateListData(QList<BaseVersionPtr> versions) +{ + beginResetModel(); + m_vlist = versions; + m_loaded = true; + endResetModel(); + // NOW SORT!! + sort(); +} + +inline QDomElement getDomElementByTagName(QDomElement parent, QString tagname) +{ + QDomNodeList elementList = parent.elementsByTagName(tagname); + if (elementList.count()) + return elementList.at(0).toElement(); + else + return QDomElement(); +} + +inline QDateTime timeFromS3Time(QString str) +{ + return QDateTime::fromString(str, Qt::ISODate); +} + +MCVListLoadTask::MCVListLoadTask(MinecraftVersionList *vlist) +{ + m_list = vlist; + m_currentStable = NULL; + vlistReply = nullptr; + legacyWhitelist.insert("1.5.2"); + legacyWhitelist.insert("1.5.1"); + legacyWhitelist.insert("1.5"); + legacyWhitelist.insert("1.4.7"); + legacyWhitelist.insert("1.4.6"); + legacyWhitelist.insert("1.4.5"); + legacyWhitelist.insert("1.4.4"); + legacyWhitelist.insert("1.4.3"); + legacyWhitelist.insert("1.4.2"); + legacyWhitelist.insert("1.4.1"); + legacyWhitelist.insert("1.4"); + legacyWhitelist.insert("1.3.2"); + legacyWhitelist.insert("1.3.1"); + legacyWhitelist.insert("1.3"); + legacyWhitelist.insert("1.2.5"); + legacyWhitelist.insert("1.2.4"); + legacyWhitelist.insert("1.2.3"); + legacyWhitelist.insert("1.2.2"); + legacyWhitelist.insert("1.2.1"); + legacyWhitelist.insert("1.1"); + legacyWhitelist.insert("1.0.1"); + legacyWhitelist.insert("1.0"); +} + +MCVListLoadTask::~MCVListLoadTask() +{ +} + +void MCVListLoadTask::executeTask() +{ + setStatus(tr("Loading instance version list...")); + auto worker = MMC->qnam(); + vlistReply = worker->get(QNetworkRequest(QUrl("http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + "versions.json"))); + connect(vlistReply, SIGNAL(finished()), this, SLOT(list_downloaded())); +} + +void MCVListLoadTask::list_downloaded() +{ + if (vlistReply->error() != QNetworkReply::NoError) + { + vlistReply->deleteLater(); + emitFailed("Failed to load Minecraft main 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; + } + + QJsonObject root = jsonDoc.object(); + + // Get the ID of the latest release and the latest snapshot. + if (!root.value("latest").isObject()) + { + emitFailed("Error parsing version list JSON: version list is missing 'latest' object"); + return; + } + + QJsonObject latest = root.value("latest").toObject(); + + QString latestReleaseID = latest.value("release").toString(""); + QString latestSnapshotID = latest.value("snapshot").toString(""); + if (latestReleaseID.isEmpty()) + { + emitFailed("Error parsing version list JSON: latest release field is missing"); + return; + } + if (latestSnapshotID.isEmpty()) + { + emitFailed("Error parsing version list JSON: latest snapshot field is missing"); + return; + } + + // Now, get the array of versions. + if (!root.value("versions").isArray()) + { + emitFailed( + "Error parsing version list JSON: version list object is missing 'versions' array"); + return; + } + QJsonArray versions = root.value("versions").toArray(); + + QList<BaseVersionPtr> tempList; + for (int i = 0; i < versions.count(); i++) + { + bool is_snapshot = false; + bool is_latest = false; + + // Load the version info. + if (!versions[i].isObject()) + { + // FIXME: log this somewhere + continue; + } + QJsonObject version = versions[i].toObject(); + QString versionID = version.value("id").toString(""); + QString versionTimeStr = version.value("releaseTime").toString(""); + QString versionTypeStr = version.value("type").toString(""); + if (versionID.isEmpty() || versionTimeStr.isEmpty() || versionTypeStr.isEmpty()) + { + // FIXME: log this somewhere + continue; + } + + // Parse the timestamp. + QDateTime versionTime = timeFromS3Time(versionTimeStr); + if (!versionTime.isValid()) + { + // FIXME: log this somewhere + continue; + } + // Parse the type. + MinecraftVersion::VersionType versionType; + // OneSix or Legacy. use filter to determine type + if (versionTypeStr == "release") + { + versionType = legacyWhitelist.contains(versionID) ? MinecraftVersion::Legacy + : MinecraftVersion::OneSix; + is_latest = (versionID == latestReleaseID); + is_snapshot = false; + } + else if (versionTypeStr == "snapshot") // It's a snapshot... yay + { + versionType = legacyWhitelist.contains(versionID) ? MinecraftVersion::Legacy + : MinecraftVersion::OneSix; + is_latest = (versionID == latestSnapshotID); + is_snapshot = true; + } + else if (versionTypeStr == "old_alpha") + { + versionType = MinecraftVersion::Nostalgia; + is_latest = false; + is_snapshot = false; + } + else if (versionTypeStr == "old_beta") + { + versionType = MinecraftVersion::Legacy; + is_latest = false; + is_snapshot = false; + } + else + { + // FIXME: log this somewhere + continue; + } + // Get the download URL. + QString dlUrl = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + versionID + "/"; + + // Now, we construct the version object and add it to the list. + std::shared_ptr<MinecraftVersion> mcVersion(new MinecraftVersion()); + mcVersion->m_name = mcVersion->m_descriptor = versionID; + mcVersion->timestamp = versionTime.toMSecsSinceEpoch(); + mcVersion->download_url = dlUrl; + mcVersion->is_latest = is_latest; + mcVersion->is_snapshot = is_snapshot; + mcVersion->type = versionType; + tempList.append(mcVersion); + } + m_list->updateListData(tempList); + + emitSucceeded(); + return; +} |