Method updateDocumentAbstract

src/database/WizDatabase.cpp:4317–4414

! Update document abstract from local cache. */

    Update document abstract from local cache.
 */
bool WizDatabase::updateDocumentAbstract(const QString& strDocumentGUID)
{
    CString strFileName = getDocumentFileName(strDocumentGUID);
    if (!WizPathFileExists(strFileName)) {
        return false;
    }

    WIZDOCUMENTDATA data;
    if (!documentFromGuid(strDocumentGUID, data)) {
        qDebug() << "[updateDocumentAbstract]invalide guid: " << strDocumentGUID;
        return false;
    }

    if (data.nProtected)
        emptyProtectedAbstract(strDocumentGUID);

    QString strTempFolder = Utils::WizPathResolve::tempPath() + data.strGUID + "-thumb/";
    // delete folder to clear unused images.
    ::WizDeleteAllFilesInFolder(strTempFolder);
    if (!documentToHtmlFile(data, strTempFolder)) {
        qDebug() << "[updateDocumentAbstract]decompress to temp failed, guid: "
                 << strDocumentGUID;
        return false;
    }
    CString strHtmlFileName = strTempFolder + "index.html";

    CString strHtmlTempPath = Utils::WizMisc::extractFilePath(strHtmlFileName);

    CString strHtml;
    ::WizLoadUnicodeTextFromFile(strHtmlFileName, strHtml);

    WIZABSTRACT abstract;
    abstract.guid = strDocumentGUID;

    WizHtmlToPlainText htmlConverter;
    htmlConverter.toText(strHtml, abstract.text);
    abstract.text = abstract.text.left(2000);

    CString strResourcePath = Utils::WizMisc::extractFilePath(strHtmlFileName) + "index_files/";
    CWizStdStringArray arrayImageFileName;
    ::WizEnumFiles(strResourcePath, "*.jpg;*.png;*.bmp;*.gif", arrayImageFileName, 0);
    if (!arrayImageFileName.empty())
    {
        CString strImageFileName;

        qint64 m = 0;
        CWizStdStringArray::const_iterator it;
        for (it = arrayImageFileName.begin(); it != arrayImageFileName.end(); it++) {
            CString strFileName = *it;
            //
            QString name = Utils::WizMisc::extractFileName(strFileName);
            if (name.startsWith("wizIcon"))
                continue;
            if (name.startsWith("checked"))
                continue;
            if (name.startsWith("unchecked"))
                continue;
            //