bool Helper::loadCurrencySymbols() {
        currencySymbols["AUD"] = "$";
        currencySymbols["CAD"] = "$";
        currencySymbols["CHF"] = "CHF";
        currencySymbols["CNY"] = "¥";
        currencySymbols["EUR"] = QString("€");
        currencySymbols["GBP"] = "£";
        currencySymbols["HKD"] = "$";
        currencySymbols["INR"] = "INR";
        currencySymbols["MYR"] = "RM";
        currencySymbols["PHP"] = "₱";
        currencySymbols["PLN"] = "zł";
        currencySymbols["SEK"] = "kr";
        currencySymbols["SGD"] = "$";
        currencySymbols["TWD"] = "NT$";
        currencySymbols["USD"] = "$";
        return true;
    }

    QString Helper::currencySymbol(const QString &currencyId) {
        return currencySymbols.value(currencyId, QString(""));
    }