zipmanager.cpp

#include <QFile>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include "zipmanager.h"
#include "miniz.h"

namespace Yate {

ZipManager::ZipManager(QObject *parent)
    : QObject{parent}
{

}

bool ZipManager::unzip(QString sourceArchive, QString destDir)
{
    qDebug() << "Unzipping archive " << sourceArchive << " to " << destDir;
    mz_zip_archive zipArchive;
    memset(&zipArchive, 0, sizeof(zipArchive));
    mz_bool status;
    auto sourceArchiveStd = sourceArchive.toStdString();

    status = mz_zip_reader_init_file(&zipArchive, sourceArchiveStd.c_str(), 0);
    if (!status)
    {
        qCritical() << "mz_zip_reader_init_file() failed!";
        qCritical() << mz_zip_get_error_string(zipArchive.m_last_error);
        return false;
    }
    for (int i = 0; i < (int)mz_zip_reader_get_num_files(&zipArchive); i++)
     {
       mz_zip_archive_file_stat file_stat;
       if (!mz_zip_reader_file_stat(&zipArchive, i, &file_stat))
       {
           qCritical() << "mz_zip_reader_file_stat() failed!";
           mz_zip_reader_end(&zipArchive);
           return false;
       }

       if (mz_zip_reader_is_file_a_directory(&zipArchive, i)) {
           continue;
       }
       QString strippedFileName = QFileInfo(file_stat.m_filename).fileName();
       auto extractionFileNameStd = QString(destDir + QDir::separator() + strippedFileName).toStdString();
       status = mz_zip_reader_extract_file_to_file(&zipArchive, file_stat.m_filename, extractionFileNameStd.c_str(), 0);
       if (!status)
       {
           qCritical() << "mz_zip_reader_extract_file_to_file() failed!";
           qCritical() << mz_zip_get_error_string(zipArchive.m_last_error);
           mz_zip_reader_end(&zipArchive);
           return false;
       }
    }

     mz_zip_reader_end(&zipArchive);
     qDebug() << "Finished unzipping archive " << sourceArchive << " to " << destDir;
     return true;

}

}