torcsystemnotification.cpp

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/* Class TorcSystemNotification
*
* Copyright (C) Mark Kendall 2016-18
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/

// Torc
#include "torclogging.h"
#include "torccoreutils.h"
#include "torcnotify.h"
#include "torcsystemnotification.h"

TorcSystemNotification::TorcSystemNotification(const QVariantMap &Details)
  : TorcNotification(Details),
    m_events()
{
    if (uniqueId.isEmpty() || m_notifierNames.isEmpty() || m_body.isEmpty())
        return;

    // NB event names are also validated in the xsd
    if (Details.contains(QStringLiteral("inputs")))
    {
        QVariantMap inputs = Details.value(QStringLiteral("inputs")).toMap();
        QVariantMap::const_iterator it = inputs.constBegin();
        for ( ; it != inputs.constEnd(); ++it)
        {
            if (it.key() == QStringLiteral("event"))
            {
                int event = TorcCoreUtils::StringToEnum<Torc::Actions>(it.value().toString().trimmed());
                if (event != -1)
                    m_events.append((Torc::Actions)event);
            }
        }
    }

    if (m_events.isEmpty())
    {
        LOG(VB_GENERAL, LOG_ERR, QStringLiteral("System notification '%1' has no events to listen for").arg(uniqueId));
    }
    else
    {
        gLocalContext->AddObserver(this);
        SetValid(true);
    }
}

TorcSystemNotification::~TorcSystemNotification()
{
    gLocalContext->RemoveObserver(this);
}

QStringList TorcSystemNotification::GetDescription(void)
{
    QStringList result;
    result.append(tr("System event"));
    foreach (Torc::Actions event, m_events)
        result.append(TorcCoreUtils::EnumToString<Torc::Actions>(event));
    return result;
}

void TorcSystemNotification::Graph(QByteArray *Data)
{
    if (!Data)
        return;

    foreach (TorcNotifier* notifier, m_notifiers)
        Data->append(QStringLiteral("    \"%1\"->\"%2\"\r\n").arg(uniqueId, notifier->GetUniqueId()));
}

bool TorcSystemNotification::event(QEvent *Event)
{
    if (Event && (Event->type() == TorcEvent::TorcEventType))
    {
        TorcEvent* torcevent = dynamic_cast<TorcEvent*>(Event);
        if (torcevent)
        {
            QMutexLocker locker(&lock);
            Torc::Actions event = (Torc::Actions)torcevent->GetEvent();
            if (m_events.contains(event))
            {
                QMap<QString,QString> custom;
                custom.insert(QStringLiteral("event"), TorcCoreUtils::EnumToString<Torc::Actions>(event));
                QVariantMap message = TorcNotify::gNotify->SetNotificationText(m_title, m_body, custom);
                emit Notify(message);
            }
        }
    }

    return TorcNotification::event(Event);
}

class TorcSystemNotificationFactory final : public TorcNotificationFactory
{
    TorcNotification* Create(const QString &Type, const QVariantMap &Details) override
    {
        if (Type == QStringLiteral("system") && Details.contains(QStringLiteral("inputs")))
            return new TorcSystemNotification(Details);
        return nullptr;
    }
} TorcSystemNotificationFactory;