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//===========================================
// Lumina-DE source code
// Copyright (c) 2016, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#ifndef _LUMINA_DESKTOP_RSS_READER_PLUGIN_OBJECT_H
#define _LUMINA_DESKTOP_RSS_READER_PLUGIN_OBJECT_H
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QString>
#include <QDateTime>
#include <QList>
#include <QIcon>
#include <QTimer>
#include <QXmlStreamReader> //Contained in the Qt "core" module - don't need the full "xml" module for this
#include <QSslError>
struct RSSitem{
//Required Fields
QString title, link, description;
//Optional Fields
QString comments_url, author_email, author, guid;
QDateTime pubdate; //when the item was published
//IGNORED INFO from RSS2 spec: "category", "source", "enclosure"
};
struct RSSchannel{
//Required fields
QString title, link, description;
//Optional Fields
QDateTime lastBuildDate, lastPubDate; //last build/publish dates
// - channel refresh information
int timetolive; //in minutes - time until next sync should be performed
//QList<int> skiphours;
//QStringList skipdays;
// - icon info
QIcon icon;
QString icon_url, icon_title, icon_link, icon_description;
QSize icon_size;
//All items within this channel
QList<RSSitem> items;
//Optional RSS2 elements ignored:
// "cloud", "textInput", "rating", "language", "copyright", "managingEditor", "webMaster",
// "category", "generator", "docs"
//Internal data for bookkeeping
QDateTime lastsync, nextsync;
QString originalURL; //in case it was redirected to some "fixed" url later
bool rss;
};
class RSSReader : public QObject{
Q_OBJECT
public:
RSSReader(QObject *parent, QString settingsPrefix);
~RSSReader();
//Information retrieval
QStringList channels(); //returns all ID's
RSSchannel dataForID(QString ID);
//Initial setup
void addUrls(QStringList urls);
void removeUrl(QString ID);
public slots:
void syncNow(); //not generally needed
private:
//Internal data objects
QHash<QString, RSSchannel> hash; // ID/data
QString setprefix;
QTimer *syncTimer;
QNetworkAccessManager *NMAN;
QStringList outstandingURLS;
//Simple hash data search functions
QString keyForUrl(QString url);
//Network request function
void requestRSS(QString url);
//RSS parsing functions
RSSchannel readRSS(QByteArray bytes);
RSSchannel readRSSChannel(QXmlStreamReader *rss);
RSSchannel readRSSChannelAtom(QXmlStreamReader *rss);
RSSitem readRSSItem(QXmlStreamReader *rss);
RSSitem readRSSItemAtom(QXmlStreamReader *rss);
void readRSSImage(RSSchannel *item, QXmlStreamReader *rss);
QDateTime RSSDateTime(QString datetime);
QDateTime ATOMDateTime(QString datetime);
private slots:
void replyFinished(QNetworkReply *reply);
void sslErrors(QNetworkReply *reply, const QList<QSslError> &errors);
void checkTimes();
signals:
void rssChanged(QString); //ID
void newChannelsAvailable();
};
#endif
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