session.h

/*
 * SPDX-FileCopyrightText: (C) 2013-2022 Daniel Nicoletti <dantti12@gmail.com>
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef CSESSION_H
#define CSESSION_H

#include <Cutelyst/Plugins/session_export.h>
#include <Cutelyst/plugin.h>

#include <QVariant>

namespace Cutelyst {

class Context;
class CUTELYST_PLUGIN_SESSION_EXPORT SessionStore : public QObject
{
    Q_OBJECT
public:
    explicit SessionStore(QObject *parent = nullptr);

    virtual QVariant getSessionData(Context *c,
                                    const QByteArray &sid,
                                    const QString &key,
                                    const QVariant &defaultValue = QVariant()) = 0;

    virtual bool storeSessionData(Context *c,
                                  const QByteArray &sid,
                                  const QString &key,
                                  const QVariant &value) = 0;

    virtual bool deleteSessionData(Context *c, const QByteArray &sid, const QString &key) = 0;

    virtual bool deleteExpiredSessions(Context *c, quint64 expires) = 0;
};

class SessionPrivate;
class CUTELYST_PLUGIN_SESSION_EXPORT Session : public Plugin
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(Session)
public:
    Session(Application *parent);

    Session(Application *parent, const QVariantMap &defaultConfig);

    virtual ~Session();

    virtual bool setup(Application *app) final;

    void setStorage(std::unique_ptr<SessionStore> store);

    SessionStore *storage() const;

    static QByteArray id(Context *c);

    static quint64 expires(Context *c);

    static void changeExpires(Context *c, quint64 expires);

    static void deleteSession(Context *c, const QString &reason = QString());

    static QString deleteReason(Context *c);

    static QVariant
        value(Context *c, const QString &key, const QVariant &defaultValue = QVariant());

    static void setValue(Context *c, const QString &key, const QVariant &value);

    static void deleteValue(Context *c, const QString &key);

    static void deleteValues(Context *c, const QStringList &keys);

    static bool isValid(Context *c);

protected:
    SessionPrivate *d_ptr;

private:
    Q_PRIVATE_SLOT(d_func(), void _q_saveSession(Context *))
};

} // namespace Cutelyst

#endif // CSESSION_H