cache_manager.cpp

#include <cache_manager.h>
#include <kzip.h>
#include <QtDebug>
 
QUrl cache_manager::get_cached_app_path(const QString &gameId) {
    QDir cur_app_dir =
        QDir(APPS_DIR.filePath(gameId + "/client"));  // Seems bad
    if (!cur_app_dir.exists()) {
        return QString();
    }
    QFile qml_file(cur_app_dir.filePath("app.qml"));
    if (!qml_file.exists()) {
        qDebug() << "Can not find app.qml in directory " << cur_app_dir << '\n';
        return QString();
    }
    return QUrl::fromUserInput(qml_file.fileName());
}
 
QUrl cache_manager::save_zip_to_cache(const QFile *archive_file,
                                      const QString &gameId) {
    QFileInfo archiveFileInfo(archive_file->fileName());
    QDir app_dir(APPS_DIR.filePath(gameId));
 
    if (app_dir.exists()) {
        app_dir.removeRecursively();
    }
 
    unzip_to_folder(*archive_file, app_dir);
 
    return QUrl::fromUserInput(app_dir.filePath("app.qml"));
}
 
void cache_manager::unzip_to_folder(const QFile &archive_file,
                                    const QDir &dest_dir) {
    if (!archive_file.exists()) {
        qDebug() << "Can not unpack the archive: " << archive_file.fileName()
                 << " does not exist\n";
        return;
    }
    dest_dir.mkpath(".");
 
    KZip archive(archive_file.fileName());
    if (!archive.open(QIODevice::ReadOnly)) {
        qDebug() << "Cannot open " << archive_file.fileName()
                 << " Is it a valid zip file?\n";
        return;
    }
 
    const KArchiveDirectory *archive_root = archive.directory();
    archive_root->copyTo(dest_dir.path(), true);
    archive.close();
    qDebug() << "Unpacked " << archive_file.fileName() << " to "
             << dest_dir.path() << '\n';
    archive.close();
}