qgsnewsfeedparser.h

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/***************************************************************************
    qgsnewsfeedparser.h
    -------------------
    begin                : July 2019
    copyright            : (C) 2019 by Nyall Dawson
    email                : nyall dot dawson at gmail 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 QGSNEWSFEEDPARSER_H
#define QGSNEWSFEEDPARSER_H
 
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgssettingsentryimpl.h"
#include <QObject>
#include <QUrl>
#include <QPixmap>
#include <QDateTime>
 
class QgsNetworkContentFetcher;
 
class CORE_EXPORT QgsNewsFeedParser : public QObject
{
    Q_OBJECT
  public:
 
    class Entry
    {
      public:
 
        int key = 0;
 
        QString title;
 
        QString imageUrl;
 
        QPixmap image;
 
        QString content;
 
        QUrl link;
 
        bool sticky = false;
 
        QDateTime expiry;
    };
 
    QgsNewsFeedParser( const QUrl &feedUrl, const QString &authcfg = QString(), QObject *parent SIP_TRANSFERTHIS = nullptr );
 
    QList< QgsNewsFeedParser::Entry > entries() const;
 
    void dismissEntry( int key );
 
    void dismissAll();
 
    QString authcfg() const;
 
    static QString keyForFeed( const QString &baseUrl );
 
#ifndef SIP_RUN
    static const inline QgsSettingsEntryInteger settingsFeedLastFetchTime = QgsSettingsEntryInteger( QStringLiteral( "%1/lastFetchTime" ), QgsSettings::Prefix::CORE, 0, QObject::tr( "Feed last fetch time" ), Qgis::SettingsOptions(), 0 );
    static const inline QgsSettingsEntryString settingsFeedLanguage = QgsSettingsEntryString( QStringLiteral( "%1/lang" ), QgsSettings::Prefix::CORE, QString(), QObject::tr( "Feed language" ) );
    static const inline QgsSettingsEntryDouble settingsFeedLatitude = QgsSettingsEntryDouble( QStringLiteral( "%1/latitude" ), QgsSettings::Prefix::CORE, 0.0, QObject::tr( "Feed latitude" ) );
    static const inline QgsSettingsEntryDouble settingsFeedLongitude = QgsSettingsEntryDouble( QStringLiteral( "%1/longitude" ), QgsSettings::Prefix::CORE, 0.0, QObject::tr( "Feed longitude" ) );
#endif
 
  public slots:
 
    void fetch();
 
  signals:
 
    void fetched( const QList< QgsNewsFeedParser::Entry > &entries );
 
    void entryAdded( const QgsNewsFeedParser::Entry &entry );
 
    void entryDismissed( const QgsNewsFeedParser::Entry &entry );
 
    void imageFetched( int key, const QPixmap &pixmap );
 
  private slots:
 
    void onFetch( const QString &content );
 
  private:
 
    QString mBaseUrl;
    QUrl mFeedUrl;
    QString mAuthCfg;
    qint64 mFetchStartTime = 0;
    QString mSettingsKey;
 
    QList< Entry > mEntries;
    bool mBlockSignals = false;
 
    void readStoredEntries();
    Entry readEntryFromSettings( int key );
    void storeEntryInSettings( const Entry &entry );
    void fetchImageForEntry( const Entry &entry );
 
    friend class TestQgsNewsFeedParser;
 
};
 
#endif // QGSNEWSFEEDPARSER_H