Client::Client(int &argc, char **argv, int appflags) :
QApplication(argc, argv, appflags) {
setAttribute(Qt::AA_UseHighDpiPixmaps);
setQuitOnLastWindowClosed(false);
applyLocale(QLocale::system().name());
// Parsing arguments
QCommandLineParser parser;
QCommandLineOption attach_option(QStringList() << "a" << "attach", tr("Attach to running daemon instead of creating a new one."), "url");
parser.addOption(attach_option);
parser.addPositionalArgument("url", tr("The \"lvlt:\" URL to open."));
parser.process(*this);
QString link;
if(parser.positionalArguments().size() > 0){
QRegularExpression link_regex("lvlt:.*");
auto link_index = parser.positionalArguments().indexOf(link_regex);
if(link_index != -1)
link = parser.positionalArguments().at(link_index);
}
// Creating components
single_channel_ = std::make_unique<SingleChannel>(link);
daemon_ = std::make_unique<Daemon>();
control_client_ = std::make_unique<ControlClient>();
if(parser.isSet(attach_option))
control_client_->connectDaemon(QUrl(parser.value(attach_option)));
else {
connect(daemon_.get(), &Daemon::daemonReady, control_client_.get(), &ControlClient::connectDaemon);
daemon_->launch();
}
updater_ = new Updater(this);
main_window_ = std::make_unique<MainWindow>(*this);
// Connecting signals & slots
connect(single_channel_.get(), &SingleChannel::showMainWindow, main_window_.get(), &QMainWindow::show);
connect(single_channel_.get(), &SingleChannel::openLink, this, &Client::openLink);
connect(control_client_.get(), &ControlClient::ControlJsonReceived, main_window_.get(), &MainWindow::handleControlJson);
connect(main_window_.get(), &MainWindow::newConfigIssued, control_client_.get(), &ControlClient::sendConfigJson);
connect(main_window_.get(), &MainWindow::folderAdded, control_client_.get(), &ControlClient::sendAddFolderJson);
connect(main_window_.get(), &MainWindow::folderRemoved, control_client_.get(), &ControlClient::sendRemoveFolderJson);
// Initialization complete!
if(!link.isEmpty())
openLink(link);
}
bool check_links(QString text)
{
QRegularExpression link_regex("http://restbase.wikitolearn.org/en.wikitolearn.org/v1/media/math/render/svg");
QRegularExpressionMatch contain = link_regex.match(text);
qDebug() << contain;
QRegularExpression png_regex("http://pool.wikitolearn.org");
QRegularExpressionMatch png = png_regex.match(text);
qDebug() << png;
if(contain.capturedLength() > 0 && png.capturedLength() > 0)
{
// change the status to true , so that i can download dependencies
math_svg = true;
image_png = true;
return true;
}
else if(contain.capturedLength() > 0)
{
// change the status to true , to download the dependencies
math_svg = true;
return true;
}
else if(png.capturedLength() > 0)
{
// change the status to true , to download the images
image_png = true;
return true;
}
else
{
return false;
}
}
bool save_images(QString filename , int pageid) // image saving function
{
QString content , newpath ;
qDebug() << filename +" <- html filename ";
QFile file(filename);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
{
qDebug() <<"unable to open file";
return false;
}
else{
content = file.readAll(); // read contents of html file
qDebug() <<"testing : " << content;
// download images here
QRegularExpression link_regex("\"http://restbase.wikitolearn.org/en.wikitolearn.org/v1/media/math/render/svg/(.*?)\"");
QRegularExpressionMatchIterator links = link_regex.globalMatch(content);
QRegularExpression png_regex("src=\"http://pool.wikitolearn.org(.*?).png");
QRegularExpressionMatchIterator png = png_regex.globalMatch(content);
while (links.hasNext()) {
// got the links and constructing the url
QRegularExpressionMatch match = links.next();
qDebug() << match;
QString down_link = match.captured(1);
//content = content.replace(down_link,down_link+".svg");
down_link = "http://restbase.wikitolearn.org/en.wikitolearn.org/v1/media/math/render/svg/" + down_link;
down_links << down_link; //prepare list of downloads
//start downloading images
// clearn img src in local html file
QString d = content.replace("http://restbase.wikitolearn.org/en.wikitolearn.org/v1/media/math/render/svg/",""); //clean img src in local html file
qDebug() << imgpath ;
newpath = d.replace("\" class=\"mwe-math",".svg\" class=\"mwe-math");
}
while (png.hasNext()){
QRegularExpressionMatch png_match = png.next();
QString png_links = png_match.captured(1);
qDebug() << "png_links" << png_links;
png_links = "http://pool.wikitolearn.org"+png_links+".png";
qDebug() << "png_links" << png_links;
png_down_links << png_links;
png_links = png_links.replace("http://pool.wikitolearn.org","");
qDebug() << "png_links" << png_links;
png_links = png_links.replace(".png","");
qDebug() << "png_links" << png_links;
newpath = newpath.replace(png_links,"");
// converting the png urls to hashes
// file name == hash of the url
QByteArray hash = png_links.toUtf8();
QString hash_me = QString(QCryptographicHash::hash((hash),QCryptographicHash::Md5).toHex());
png_links = hash_me ;
qDebug() << "hash_me" << hash_me;
png_hash << hash_me;
png_links = png_links+".png";
qDebug() << png_links;
newpath = newpath.replace("http://pool.wikitolearn.org.png",png_links);
}
qDebug() << "size" << down_links.size(); // got the number of files to download
qDebug() << down_links; //got the list of downloads
qDebug() << png_down_links;
qDebug() << png_hash;
file.close();
}
if(!file.open(QIODevice::WriteOnly | QIODevice::Text))
{
qDebug() <<"unable to write to file";
return false;
}
else
{
qDebug() <<"write to file here";
QTextStream out(&file);
QString styling = "<head>"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"main.css\">"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"wikitolearnskin.css\">"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"bootstrap.css\">"
"</head>";
newpath = styling +newpath;
// added the css links to the page
out << newpath;
// qDebug()<<newpath;
file.close();
// move html file and css to their respective folder
QString fname = QString::number(pageid);
QDir dir(data_path);
dir.cd("WTL_appdata");
QString temp_name = dir.absoluteFilePath(filename);
QString new_name = temp_name.replace(".html","");
QString css_path = new_name;
new_name = new_name + "/" + fname +".html";
file.rename(filename,new_name);
// copy required css files.
css_path = css_path + "/main.css";
file.copy(dir.absoluteFilePath("main.css"),css_path);
css_path = css_path.replace("/main.css","/bootstrap.css");
file.copy(dir.absoluteFilePath("bootstrap.css"),css_path);
css_path = css_path.replace("/bootstrap.css","/wikitolearnskin.css");
file.copy(dir.absoluteFilePath("wikitolearnskin.css"),css_path);
}
if(math_svg!=false){
// if there are maths ml content (SVG) download them
dbmanager *d = new dbmanager(0) ;
d->doDownload(down_links);
}
if(image_png!=false){
//if there are images (png) download them
dbmanager *p = new dbmanager(0) ;
p->png_download(png_down_links, png_hash);
}
return true ;
}
