c++ qt horror

void Bittrex::GetMyOpenOrdersReplyFinished()
{
    QNetworkReply *reply = qobject_cast<QNetworkReply*>(sender());

    if(reply->error())
    {
        reply->deleteLater();
        return;
    }
    QString strReply = (QString)reply->readAll();

    QJsonDocument jsonResponse = QJsonDocument::fromJson(strReply.toUtf8());

    QJsonObject jsonObject = jsonResponse.object();

    bool suc = jsonObject["success"].toBool();

    if(suc != true)
        return;

    QJsonArray data = jsonObject["result"].toArray();

    int coinIndex = 0;
    qint64 checkTime = QDateTime::currentMSecsSinceEpoch();

    foreach (const QJsonValue & value, data)
    {
        QJsonObject obj = value.toObject();
        QString orderId = obj["OrderUuid"].toString();
        QString currency = obj["Exchange"].toString();

        CoinInfo *coin = FindCoinByName(currency, coinIndex);
        if(coin == 0)
            continue;

        bool match = false;
        foreach (OpenTradeData *openTrade, coin->m_OpenTradeList)
        {
            if(openTrade->OrderId == orderId)
            {
                openTrade->Checked = checkTime;
                match = true;
                break;
            }
        }

        if(match)
            continue;

        QString orderType = obj["OrderType"].toString();

        qreal quantity = obj["Quantity"].toDouble();
        qreal atPrice = obj["Limit"].toDouble();

        QString time = obj["Opened"].toString();
        QDateTime timeStamp = QDateTime::fromString(time, Qt::ISODate).addSecs(7200);

        QString timeStr = timeStamp.toString("M/d/yyyy h:m:s");

        OpenTradeData *openTradeData = 0;

        if(orderType == "LIMIT_SELL")
        {
            openTradeData = new OpenTradeData(coin, orderId, "Bittrex", coin->GetCoinName(), timeStr,
                                              "SELL", QString::number(quantity, 'f', 8), "",
                                              coin->GetLastTradePriceStr(), "0.0", QString::number(atPrice, 'f', 8));
        }
        else if(orderType == "LIMIT_BUY")
        {
            openTradeData = new OpenTradeData(coin, orderId, "Bittrex", coin->GetCoinName(), timeStr,
                                              "BUY", QString::number(quantity, 'f', 8), QString::number(atPrice, 'f', 8),
                                              coin->GetLastTradePriceStr(), "0.0f", "0.0f");
        }
//        GetMyOrdersHistory(currency, coinIndex);

        coin->m_OpenTradeList.append(openTradeData);

        emit NewOpenOrderToTable(openTradeData);
    }

    // this loop will remove trades that does not match the one from web
    foreach (OpenTradeData *openTrade, coin->m_OpenTradeList)
    {
        if(openTrade->Checked != checkTime)
        {
            // remove
            // emit updateguiremove...
        }
    }

    reply->deleteLater();
}

CoinInfo *Bittrex::FindCoinByName(QString coinName)
{
    for(int i = 0; i < m_CoinList.size(); i++)
    {
        if(m_CoinList[i]->GetCoinName() == coinName)
        {
            return m_CoinList[i];
        }
    }
    return 0;
}