kasts/src/fetcher.h

104 lines
3.2 KiB
C++

/**
* SPDX-FileCopyrightText: 2020 Tobias Fella <tobias.fella@kde.org>
* SPDX-FileCopyrightText: 2021-2022 Bart De Vries <bart@mogwai.be>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#pragma once
#include <QDateTime>
#include <QFile>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QObject>
#include <QQmlEngine>
#include <QTimer>
#include <QUrl>
#include <Syndication/Syndication>
#include "enclosure.h"
#include "error.h"
class Fetcher : public QObject
{
Q_OBJECT
QML_ELEMENT
QML_SINGLETON
Q_PROPERTY(int updateProgress MEMBER m_updateProgress NOTIFY updateProgressChanged)
Q_PROPERTY(int updateTotal MEMBER m_updateTotal NOTIFY updateTotalChanged)
Q_PROPERTY(bool updating MEMBER m_updating NOTIFY updatingChanged)
public:
static Fetcher &instance()
{
static Fetcher _instance;
return _instance;
}
static Fetcher *create(QQmlEngine *engine, QJSEngine *)
{
engine->setObjectOwnership(&instance(), QQmlEngine::CppOwnership);
return &instance();
}
Q_INVOKABLE void fetch(const QString &url);
Q_INVOKABLE void fetch(const QStringList &urls);
Q_INVOKABLE void fetchAll();
Q_INVOKABLE QString image(const QString &url);
Q_INVOKABLE QNetworkReply *download(const QString &url, const QString &fileName) const;
void getRedirectedUrl(const QUrl &url);
QNetworkReply *get(QNetworkRequest &request) const;
QNetworkReply *post(QNetworkRequest &request, const QByteArray &data) const;
void initializeUpdateTimer();
void checkUpdateTimer();
Q_INVOKABLE void setNetworkProxy();
Q_INVOKABLE bool isSystemProxyDefined();
Q_SIGNALS:
void entryAdded(const QString &feedurl, const QString &id);
void entryUpdated(const QString &feedurl, const QString &id);
void feedUpdated(const QString &url);
void feedDetailsUpdated(const QString &url,
const QString &name,
const QString &image,
const QString &link,
const QString &description,
const QDateTime &lastUpdated,
const QString &dirname);
void feedUpdateStatusChanged(const QString &url, bool status);
void cancelFetching();
void updateProgressChanged(int progress);
void updateTotalChanged(int nrOfFeeds);
void updatingChanged(bool state);
void error(Error::Type type, const QString &url, const QString &id, const int errorId, const QString &errorString, const QString &title);
void downloadFinished(QString url) const;
void foundRedirectedUrl(const QUrl &url, const QUrl &newUrl);
private:
Fetcher();
QNetworkReply *head(QNetworkRequest &request) const;
void setHeader(QNetworkRequest &request) const;
QSet<QString> m_ongoingImageDownloads;
QNetworkAccessManager *manager;
int m_updateProgress;
int m_updateTotal;
bool m_updating;
const qint64 m_checkInterval = 10 * 60 * 1000; // trigger timer every 10 minutes
QTimer *m_updateTimer;
QDateTime m_updateTriggerTime;
QByteArray m_systemHttpProxy;
QByteArray m_systemHttpsProxy;
bool m_isSystemProxyDefined;
};