nymea/libnymea-core/ruleengine/ruleengine.h

142 lines
4.7 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright 2013 - 2020, nymea GmbH
* Contact: contact@nymea.io
*
* This file is part of nymea.
* This project including source code and documentation is protected by
* copyright law, and remains the property of nymea GmbH. All rights, including
* reproduction, publication, editing and translation, are reserved. The use of
* this project is subject to the terms of a license agreement to be concluded
* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
* under https://nymea.io/license
*
* GNU General Public License Usage
* Alternatively, this project may be redistributed and/or modified under the
* terms of the GNU General Public License as published by the Free Software
* Foundation, GNU version 3. This project 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 project. If not, see <https://www.gnu.org/licenses/>.
*
* For any further details and any questions please contact us under
* contact@nymea.io or see our FAQ/Licensing Information on
* https://nymea.io/license/faq
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef RULEENGINE_H
#define RULEENGINE_H
#include "rule.h"
#include "stateevaluator.h"
#include "types/event.h"
#include "types/thingclass.h"
#include <QObject>
#include <QList>
#include <QUuid>
#include <QSettings>
namespace nymeaserver {
class RuleEngine : public QObject
{
Q_OBJECT
public:
enum RuleError {
RuleErrorNoError,
RuleErrorInvalidRuleId,
RuleErrorRuleNotFound,
RuleErrorThingNotFound,
RuleErrorEventTypeNotFound,
RuleErrorStateTypeNotFound,
RuleErrorActionTypeNotFound,
RuleErrorInvalidParameter,
RuleErrorInvalidRuleFormat,
RuleErrorMissingParameter,
RuleErrorInvalidRuleActionParameter,
RuleErrorInvalidStateEvaluatorValue,
RuleErrorTypesNotMatching,
RuleErrorNotExecutable,
RuleErrorInvalidTimeDescriptor,
RuleErrorInvalidRepeatingOption,
RuleErrorInvalidCalendarItem,
RuleErrorInvalidTimeEventItem,
RuleErrorContainsEventBasesAction,
RuleErrorNoExitActions,
RuleErrorInterfaceNotFound
};
Q_ENUM(RuleError)
enum RemovePolicy {
RemovePolicyCascade,
RemovePolicyUpdate
};
Q_ENUM(RemovePolicy)
explicit RuleEngine(QObject *parent = nullptr);
~RuleEngine();
void init();
QList<Rule> evaluateEvent(const Event &event);
QList<Rule> evaluateTime(const QDateTime &dateTime);
RuleError addRule(const Rule &rule, bool fromEdit = false);
RuleError editRule(const Rule &rule);
QList<Rule> rules() const;
QList<RuleId> ruleIds() const;
RuleError removeRule(const RuleId &ruleId, bool fromEdit = false);
RuleError enableRule(const RuleId &ruleId);
RuleError disableRule(const RuleId &ruleId);
RuleError executeActions(const RuleId &ruleId);
RuleError executeExitActions(const RuleId &ruleId);
Rule findRule(const RuleId &ruleId);
QList<RuleId> findRules(const ThingId &thingId) const;
QList<ThingId> thingsInRules() const;
void removeThingFromRule(const RuleId &id, const ThingId &thingId);
signals:
void ruleAdded(const Rule &rule);
void ruleRemoved(const RuleId &ruleId);
void ruleConfigurationChanged(const Rule &rule);
private:
bool containsEvent(const Rule &rule, const Event &event, const ThingClassId &thingClassId);
bool containsState(const StateEvaluator &stateEvaluator, const Event &stateChangeEvent);
RuleError checkRuleAction(const RuleAction &ruleAction, const Rule &rule);
RuleError checkRuleActionParam(const RuleActionParam &ruleActionParam, const ActionType &actionType, const Rule &rule);
QVariant::Type getActionParamType(const ActionTypeId &actionTypeId, const ParamTypeId &paramTypeId);
QVariant::Type getEventParamType(const EventTypeId &eventTypeId, const ParamTypeId &paramTypeId);
void appendRule(const Rule &rule);
void saveRule(const Rule &rule);
void saveRuleActions(NymeaSettings *settings, const QList<RuleAction> &ruleActions);
QList<RuleAction> loadRuleActions(NymeaSettings *settings);
private:
QList<RuleId> m_ruleIds; // Keeping a list of RuleIds to keep sorting order...
QHash<RuleId, Rule> m_rules; // ...but use a Hash for faster finding
QList<RuleId> m_activeRules;
QDateTime m_lastEvaluationTime;
};
}
Q_DECLARE_METATYPE(nymeaserver::RuleEngine::RuleError)
#endif // RULEENGINE_H