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void MainWindow::download_pdl_files()
{
    QUrl file_url;

    files_to_download.removeDuplicates();

    for(int x = 0; x < files_to_download.size(); x++)
    {
        ui->sync_status->setText("Downloading file " + files_to_download.at(x) + ".zip");

        file_url.setUrl("http://www.url.com/repo/" + files_to_download.at(x) + ".zip");
        file_data = new FileDownloader(file_url, this);
        file_data->setProperty("file_name", files_to_download.at(x) + ".zip");

        connect(file_data, SIGNAL (downloaded()), this, SLOT (process_file()));

        qDebug() << files_to_download.at(x);
    }
}

void MainWindow::process_file()
{
    QFile file("/pdl_repo/" + file_data->property("file_name").toString());
    file.open(QIODevice::WriteOnly);
    file.write(file_data->downloadedData());
    file.close();

    ui->sync_status->setText("File " + file_data->property("file_name").toString() + " downloaded");
}