QXmppUploadRequestManager.h

// SPDX-FileCopyrightText: 2019 Linus Jahn <lnj@kaidan.im>
//
// SPDX-License-Identifier: LGPL-2.1-or-later

#ifndef QXMPPUPLOADREQUESTMANAGER_H
#define QXMPPUPLOADREQUESTMANAGER_H

#include "QXmppClientExtension.h"
#include "QXmppError.h"

#include <variant>

#include <QSharedDataPointer>

class QFileInfo;
template<typename T>
class QXmppTask;
class QMimeType;
class QXmppHttpUploadRequestIq;
class QXmppHttpUploadSlotIq;
class QXmppUploadServicePrivate;
class QXmppUploadRequestManagerPrivate;

class QXMPP_EXPORT QXmppUploadService
{
public:
    QXmppUploadService();
    QXmppUploadService(const QXmppUploadService &);
    ~QXmppUploadService();

    QXmppUploadService &operator=(const QXmppUploadService &);

    QString jid() const;
    void setJid(const QString &jid);

    qint64 sizeLimit() const;
    void setSizeLimit(qint64 sizeLimit);

private:
    QSharedDataPointer<QXmppUploadServicePrivate> d;
};

class QXMPP_EXPORT QXmppUploadRequestManager : public QXmppClientExtension
{
    Q_OBJECT

public:
    QXmppUploadRequestManager();
    ~QXmppUploadRequestManager();

    QString requestUploadSlot(const QFileInfo &file,
                              const QString &uploadService = QString());
    QString requestUploadSlot(const QFileInfo &file,
                              const QString &customFileName,
                              const QString &uploadService = QString());
    QString requestUploadSlot(const QString &fileName,
                              qint64 fileSize,
                              const QMimeType &mimeType,
                              const QString &uploadService = QString());

    using SlotResult = std::variant<QXmppHttpUploadSlotIq, QXmppError>;
    auto requestSlot(const QFileInfo &file, const QString &uploadService = {}) -> QXmppTask<SlotResult>;
    auto requestSlot(const QFileInfo &file, const QString &customFileName, const QString &uploadService = {}) -> QXmppTask<SlotResult>;
    auto requestSlot(const QString &fileName, qint64 fileSize, const QMimeType &mimeType, const QString &uploadService = {}) -> QXmppTask<SlotResult>;

    bool serviceFound() const;

    QVector<QXmppUploadService> uploadServices() const;

    bool handleStanza(const QDomElement &stanza) override;

    Q_SIGNAL void slotReceived(const QXmppHttpUploadSlotIq &slot);

    Q_SIGNAL void requestFailed(const QXmppHttpUploadRequestIq &request);

    Q_SIGNAL void serviceFoundChanged();

protected:
    void onRegistered(QXmppClient *client) override;
    void onUnregistered(QXmppClient *client) override;

private:
    void handleDiscoInfo(const QXmppDiscoveryIq &iq);

    const std::unique_ptr<QXmppUploadRequestManagerPrivate> d;
};

#endif  // QXMPPUPLOADREQUESTMANAGER_H