rssguard/src/core/feeddownloader.cpp
2015-10-30 06:54:59 +01:00

76 lines
2.6 KiB
C++
Executable File

// This file is part of RSS Guard.
//
// Copyright (C) 2011-2015 by Martin Rotter <rotter.martinos@gmail.com>
//
// RSS Guard 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 3 of the License, or
// (at your option) any later version.
//
// RSS Guard is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with RSS Guard. If not, see <http://www.gnu.org/licenses/>.
#include "core/feeddownloader.h"
#include "services/standard/standardfeed.h"
#include "definitions/definitions.h"
#include <QThread>
#include <QDebug>
FeedDownloader::FeedDownloader(QObject *parent) : QObject(parent) {
qRegisterMetaType<FeedDownloadResults>("FeedDownloadResults");
}
FeedDownloader::~FeedDownloader() {
qDebug("Destroying FeedDownloader instance.");
}
void FeedDownloader::updateFeeds(const QList<StandardFeed*> &feeds) {
qDebug().nospace() << "Performing feed updates in thread: \'" << QThread::currentThreadId() << "\'.";
// Job starts now.
emit started();
FeedDownloadResults results;
for (int i = 0, total = feeds.size(); i < total; i++) {
int updated_messages = feeds.at(i)->update();
if (updated_messages > 0) {
results.m_updatedFeeds.append(QPair<QString,int>(feeds.at(i)->title(), updated_messages));
}
qDebug("Made progress in feed updates: %d/%d (id of feed is %d).", i + 1, total, feeds.at(i)->id());
emit progress(feeds.at(i), i + 1, total);
}
qDebug().nospace() << "Finished feed updates in thread: \'" << QThread::currentThreadId() << "\'.";
// Update of feeds has finished.
// NOTE: This means that now "update lock" can be unlocked
// and feeds can be added/edited/deleted and application
// can eventually quit.
emit finished(results);
}
QString FeedDownloadResults::getOverview(int how_many_feeds) {
qSort(m_updatedFeeds.begin(), m_updatedFeeds.end(), FeedDownloadResults::lessThan);
QStringList result;
// TODO: Maybe enhance the formatting of this output.
for (int i = 0, number_items_output = qMin(how_many_feeds, m_updatedFeeds.size()); i < number_items_output; i++) {
result.append(m_updatedFeeds.at(i).first + QSL(": ") + QString::number(m_updatedFeeds.at(i).second));
}
return result.join(QSL("\n"));
}