232 lines
7.8 KiB
C++
232 lines
7.8 KiB
C++
/*
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blueROCK - for digital rock
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Copyright (C) 2019 Dorian Zedler
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "headers/bluerockbackend.h"
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BlueRockBackend::BlueRockBackend(QObject *parent) : QObject(parent), _pendingIntentsChecked(false)
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{
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this->_shareUtils = new ShareUtils(this);
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connect(this->_shareUtils, &ShareUtils::otherUrlReceived, this, &BlueRockBackend::openedViaUrl);
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#if defined(Q_OS_ANDROID)
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connect(qApp, SIGNAL(applicationStateChanged(Qt::ApplicationState)), this, SLOT(onApplicationStateChanged(Qt::ApplicationState)));
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#endif
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}
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QVariant BlueRockBackend::getWidgetData(QVariantMap params) {
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QString requestUrl = "https://www.digitalrock.de/egroupware/ranking/json.php?";
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QStringList nations = {"ICC", "GER", "SUI"};
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if(params["nation"].toString() == "ICC") {
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params["nation"] = "";
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}
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else if(params["nation"].toString() == "") {
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params.remove("nation");
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}
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else if(!nations.contains(params["nation"].toString())) {
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// a non-empty nation which ist not one of the above is invalid
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return QVariantMap({{"status", 404}});
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}
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for(QVariantMap::const_iterator iter = params.begin(); iter != params.end(); ++iter) {
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requestUrl += iter.key() + "=" + iter.value().toString() + "&";
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}
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requestUrl = requestUrl.left(requestUrl.length() - 1); // remove last '&'
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qWarning() << requestUrl;
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QVariantMap ret = this->_senddata(QUrl(requestUrl));
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if(ret["status"] != 200) {
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// request was a failure
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return QVariantMap({{"status", ret["status"]}, {"data", ""}});
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}
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QJsonDocument jsonReply = QJsonDocument::fromJson(ret["text"].toString().toUtf8());
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QVariantMap data = {{"status", 200}, {"data", jsonReply.toVariant()}};
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return data;
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}
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QVariantMap BlueRockBackend::getParamsFromUrl(QString stringUrl) {
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stringUrl = stringUrl.replace("#!", "?");
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QUrl url(stringUrl);
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if(!url.isValid() || url.isEmpty() || url.host().isEmpty())
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return {{"valid", false},{"params", QVariantMap()}} ;
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QStringList domainFragments = url.host().split(".");
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QString tld = domainFragments.takeLast();
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QString domainName = domainFragments.takeLast();
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QString baseDomain = domainName + "." + tld;
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if(!this->_validBaseDomains.contains(baseDomain))
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return {{"valid", false},{"params", QVariantMap()}};
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QUrlQuery query(url.query());
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QVariantMap params;
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for(QPair<QString, QString> pair : query.queryItems()) {
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if(params.contains(pair.first))
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params[pair.first] = pair.second;
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else
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params.insert(pair.first, pair.second);
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}
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return {{"valid", true},{"params",params}};
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}
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void BlueRockBackend::shareResultsAsUrl(QString url, QString compName) {
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//% "Check out the results of %1 over here:"
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this->_shareUtils->shareText(qtTrId("#shareResultsLinkText").arg(compName) + "\n" + url);
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}
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void BlueRockBackend::shareResultsAsPoster(QString url, QString compName) {
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QString path = this->_shareUtils->getTemporaryFileLocationPath(); //QStandardPaths::writableLocation(QStandardPaths::DownloadLocation);
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if (!QDir(path).exists()) {
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if (QDir("").mkpath(path)) {
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qDebug() << "Created app data /files directory. " << path;
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} else {
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qWarning() << "Failed to create app data /files directory. " << path;
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return;
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}
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}
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path += "/" + compName + ".pdf";
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QFile file(path);
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file.remove();
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if(!file.open(QIODevice::ReadWrite)) {
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qWarning("Could not open File for writing!!");
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return;
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}
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QPdfWriter writer(&file);
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writer.setPageSize(QPageSize(QPageSize::A4));
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writer.setPageMargins(QMargins(0, 0, 0, 0));
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writer.setResolution(600);
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QPainter painter(&writer);
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QPixmap background(":/PosterTemplate.png");
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painter.drawPixmap(0,0, writer.width(), writer.height(), background);
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QPixmap barcode;
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int size = writer.width() * 0.5;
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QZXingEncoderConfig encoderConfig(QZXing::EncoderFormat_QR_CODE, QSize(size, size), QZXing::EncodeErrorCorrectionLevel_M, false, false);
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barcode.convertFromImage(QZXing::encodeData(url, encoderConfig));
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painter.drawPixmap((writer.width() - size) / 2, size * 0.5, size, size, barcode);
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painter.end();
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file.close();
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this->_shareUtils->sendFile(path, compName, "application/pdf", 1);
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}
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// ------------------------
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// --- Helper functions ---
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// ------------------------
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QVariantMap BlueRockBackend::_senddata(QUrl serviceUrl, QUrlQuery pdata)
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{
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// create network manager
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QNetworkAccessManager * networkManager = new QNetworkAccessManager();
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QVariantMap ret; //this is a custom type to store the return-data
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// Create network request
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QNetworkRequest request(serviceUrl);
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request.setHeader(QNetworkRequest::ContentTypeHeader,
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"application/x-www-form-urlencoded");
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//QSslConfiguration config = QSslConfiguration::defaultConfiguration();
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//config.setProtocol(QSsl::TlsV1_2);
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//request.setSslConfiguration(config);
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//send a POST request with the given url and data to the server
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QNetworkReply *reply;
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if(pdata.isEmpty()) {
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// if no post data is given -> send a GET request
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reply = networkManager->get(request);
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}
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else {
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// if post data is given -> send POST request
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reply = networkManager->post(request, pdata.toString(QUrl::FullyEncoded).toUtf8());
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}
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// loop to wait until the request has finished before processing the data
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QEventLoop loop;
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// timer to cancel the request after 3 seconds
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QTimer timer;
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timer.setSingleShot(true);
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// quit the loop when the request finised
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loop.connect(networkManager, SIGNAL(finished(QNetworkReply*)), SLOT(quit()));
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// or the timer timed out
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loop.connect(&timer, SIGNAL(timeout()), &loop, SLOT(quit()));
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// start the timer
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timer.start(10000);
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// start the loop
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loop.exec();
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//get the status code
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QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
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ret.insert("status", status_code.toInt());
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//get the full text response
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ret.insert("text", QString::fromUtf8(reply->readAll()));
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// delete the reply object
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delete reply;
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// delete the newtwork access manager object
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delete networkManager;
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//return the data
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return(ret);
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}
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#if defined(Q_OS_ANDROID)
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void BlueRockBackend::onApplicationStateChanged(Qt::ApplicationState applicationState)
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{
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qDebug() << "S T A T E changed into: " << applicationState;
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if(applicationState == Qt::ApplicationState::ApplicationSuspended) {
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// nothing to do
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return;
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}
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if(applicationState == Qt::ApplicationState::ApplicationActive) {
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// if App was launched from VIEW or SEND Intent
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// there's a race collision: the event will be lost,
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// because App and UI wasn't completely initialized
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// workaround: QShareActivity remembers that an Intent is pending
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if(!_pendingIntentsChecked) {
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_pendingIntentsChecked = true;
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_shareUtils->checkPendingIntents(this->_shareUtils->getTemporaryFileLocationPath());
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}
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}
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}
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#endif
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// -------------------------
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// --- Functions for QML ---
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// -------------------------
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