111 lines
3 KiB
C++
111 lines
3 KiB
C++
//
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// Created by miguel on 28/12/15.
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//
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#include <algorithm>
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#include <QMessageBox>
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#include "update_checker.h"
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#include "version_string.h"
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#include "qt-json/json.h"
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#define LATEST_FILES_URL "https://api.bintray.com/packages/cockatrice/Cockatrice/Cockatrice/files"
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UpdateChecker::UpdateChecker(QObject *parent) : QObject(parent){
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//Parse the commit date. We'll use this to check for new versions
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//We know the format because it's based on `git log` which is documented here:
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// https://git-scm.com/docs/git-log#_commit_formatting
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buildDate = QDate::fromString(VERSION_DATE, "yyyy-MM-dd");
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latestFilesUrl = QUrl(LATEST_FILES_URL);
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response = NULL;
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netMan = new QNetworkAccessManager(this);
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build = NULL;
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}
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UpdateChecker::~UpdateChecker()
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{
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delete build;
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}
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void UpdateChecker::check()
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{
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response = netMan->get(QNetworkRequest(latestFilesUrl));
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connect(response, SIGNAL(finished()),
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this, SLOT(fileListFinished()));
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}
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#if defined(Q_OS_OSX)
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bool UpdateChecker::downloadMatchesCurrentOS(QVariant build)
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{
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return build
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.toMap()["name"]
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.toString()
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.contains("osx");
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}
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#elif defined(Q_OS_WIN)
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bool UpdateChecker::downloadMatchesCurrentOS(QVariant build)
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{
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return build
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.toMap()["name"]
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.toString()
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.contains("exe");
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}
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#else
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bool UpdateChecker::downloadMatchesCurrentOS(QVariant)
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{
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//If the OS doesn't fit one of the above #defines, then it will never match
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return false;
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}
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#endif
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QDate UpdateChecker::dateFromBuild(QVariant build)
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{
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QString formatString = "yyyy-MM-dd";
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QString dateString = build.toMap()["created"].toString();
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dateString = dateString.remove(formatString.length(), dateString.length());
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return QDate::fromString(dateString, formatString);
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}
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QDate UpdateChecker::findOldestBuild(QVariantList allBuilds)
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{
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//Map the build array into an array of dates
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std::vector<QDate> dateArray(allBuilds.size());
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std::transform(allBuilds.begin(), allBuilds.end(), dateArray.begin(), dateFromBuild);
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//Return the first date
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return *std::min_element(dateArray.begin(), dateArray.end());
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}
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QVariantMap *UpdateChecker::findCompatibleBuild(QVariantList allBuilds) {
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QVariantList::iterator result = std::find_if(allBuilds.begin(), allBuilds.end(), downloadMatchesCurrentOS);
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//If there is no compatible version, return NULL
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if (result == allBuilds.end())
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return NULL;
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else
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{
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QVariantMap *ret = new QVariantMap;
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*ret = (*result).toMap();
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return ret;
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}
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}
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void UpdateChecker::fileListFinished() {
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try {
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QVariantList builds = QtJson::Json::parse(response->readAll()).toList();
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build = findCompatibleBuild(builds);
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QDate bintrayBuildDate = findOldestBuild(builds);
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bool needToUpdate = bintrayBuildDate > buildDate;
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bool compatibleVersion = build != NULL;
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emit finishedCheck(needToUpdate, compatibleVersion, build);
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}
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catch (const std::exception &exc){
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emit error(exc.what());
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}
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}
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