qgsgeonoderequest.h

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/***************************************************************************
    qgsgeonoderequest.h
    ---------------------
    begin                : Jul 2017
    copyright            : (C) 2017 by Muhammad Yarjuna Rohmat, Ismail Sunni
    email                : rohmat at kartoza dot com, ismail at kartoza dot com
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
#ifndef QGSGEONODEREQUEST_H
#define QGSGEONODEREQUEST_H

#include "qgis.h"
#include "qgis_core.h"
#include <QNetworkReply>
#include <QDomDocument>
#include <QObject>
#include <QUuid>

struct CORE_EXPORT QgsGeoNodeStyle
{
#ifdef SIP_RUN
  % TypeHeaderCode
#include <qgsgeonoderequest.h>
  % End
#endif

  QString id;

  QString name;

  QString title;

  QDomDocument body;

  QString styleUrl;
};

class CORE_EXPORT QgsGeoNodeRequest : public QObject
{
    Q_OBJECT
  public:

    enum class BackendServer
    {
      Unknown, 
      QgisServer, 
      Geoserver 
    };

    struct ServiceLayerDetail
    {
      QUuid uuid;
      QString id;
      QString name;
      QString typeName;
      QString title;
      QString wmsURL;
      QString wfsURL;
      QString xyzURL;
      BackendServer server{};
    };

    QgsGeoNodeRequest( const QString &baseUrl, bool forceRefresh, QObject *parent = nullptr );

    ~QgsGeoNodeRequest() override;

    void request( const QString &endPoint );

    bool requestBlocking( const QString &endPoint );

    void fetchLayers();

    QList<QgsGeoNodeRequest::ServiceLayerDetail> fetchLayersBlocking();

    QList<QgsGeoNodeStyle> fetchStylesBlocking( const QString &layerName );

    QgsGeoNodeStyle fetchDefaultStyleBlocking( const QString &layerName );

    QgsGeoNodeStyle fetchStyleBlocking( const QString &styleId );

    QStringList fetchServiceUrlsBlocking( const QString &serviceType );

    QgsStringMap fetchServiceUrlDataBlocking( const QString &serviceType );

    QString lastError() const { return mError; }

    QByteArray lastResponse() const { return mHttpGeoNodeResponse; }

    QString protocol() const;

    void setProtocol( const QString &protocol );

    QgsGeoNodeRequest::ServiceLayerDetail parseOwsUrl( QgsGeoNodeRequest::ServiceLayerDetail &layerStruct, const QVariantList &layerLinks );

  public slots:

    void abort();

  signals:

    void statusChanged( const QString &statusQString );

    void requestFinished();

    void layersFetched( const QList<QgsGeoNodeRequest::ServiceLayerDetail> &layers );

  private slots:
    void replyFinished();
    void replyProgress( qint64, qint64 );

  private:

    QString mProtocol;

    QString mBaseUrl;

    QNetworkReply *mGeoNodeReply = nullptr;

    QString mError;

    QString mErrorFormat;

    QByteArray mHttpGeoNodeResponse;

    bool mIsAborted = false;
    bool mForceRefresh = false;

    QList<QgsGeoNodeRequest::ServiceLayerDetail> parseLayers( const QByteArray &layerResponse );
    QgsGeoNodeStyle retrieveStyle( const QString &styleUrl );

    QNetworkReply *requestUrl( const QString &url );

};

#endif // QGSGEONODEREQUEST_H