Method p_CHUpdateSubscription

src/core/handler/ConfigHandler.cpp:502–713

    }

    bool QvConfigHandler::p_CHUpdateSubscription(const GroupId &id, const QByteArray &data)
    {
        CheckValidId(id, false);
        //
        // ====================================================================================== Begin reading subscription
        std::shared_ptr<SubscriptionDecoder> decoder;

        {
            const auto type = groups[id].subscriptionOption.type;
            for (const auto &plugin : PluginHost->UsablePlugins())
            {
                const auto pluginInfo = PluginHost->GetPlugin(plugin);
                if (pluginInfo->hasComponent(COMPONENT_SUBSCRIPTION_ADAPTER))
                {
                    const auto adapterInterface = pluginInfo->pluginInterface->GetSubscriptionAdapter();
                    for (const auto &[t, _] : adapterInterface->SupportedSubscriptionTypes())
                    {
                        if (t == type)
                            decoder = adapterInterface->GetSubscriptionDecoder(t);
                    }
                }
            }

            if (decoder == nullptr)
            {
                QvMessageBoxWarn(nullptr, tr("Cannot Update Subscription"),
                                 tr("Unknown subscription type: %1").arg(type) + NEWLINE + tr("A subscription plugin is missing?"));
                return false;
            }
        }

        const auto groupName = groups[id].displayName;
        const auto result = decoder->DecodeData(data);
        QList<std::pair<QString, CONFIGROOT>> _newConnections;

        for (const auto &[name, json] : result.connections)
        {
            _newConnections.append({ name, CONFIGROOT(json) });
        }
        for (const auto &link : result.links)
        {
            // Assign a group name, to pass the name check.
            QString _alias;
            QString errMessage;
            QString __groupName = groupName;
            const auto connectionConfigMap = ConvertConfigFromString(link.trimmed(), &_alias, &errMessage, &__groupName);
            if (!errMessage.isEmpty())
                LOG("Error: ", errMessage);
            _newConnections << connectionConfigMap;
        }

        if (_newConnections.count() < 5)
        {
            LOG("Found a subscription with less than 5 connections.");
            if (QvMessageBoxAsk(
                    nullptr, tr("Update Subscription"),
                    tr("%n entrie(s) have been found from the subscription source, do you want to continue?", "", _newConnections.count())) != Yes)
                return false;