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FeedDownloader.h
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FeedDownloader.h
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/*
* Bittorrent Client using Qt4 and libtorrent.
* Copyright (C) 2006 Christophe Dumez
*
* 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give permission to
* link this program with the OpenSSL project's "OpenSSL" library (or with
* modified versions of it that use the same license as the "OpenSSL" library),
* and distribute the linked executables. You must obey the GNU General Public
* License in all respects for all of the code used other than "OpenSSL". If you
* modify file(s), you may extend this exception to your version of the file(s),
* but you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*
* Contact : chris@qbittorrent.org
*/
#ifndef FEEDDOWNLOADER_H
#define FEEDDOWNLOADER_H
#include <QString>
#include <QHash>
#include <QSettings>
#include <QListWidget>
#include <QListWidgetItem>
#include <QInputDialog>
#include <QMessageBox>
#include <QRegExp>
#include "bittorrent.h"
#include "ui_FeedDownloader.h"
class FeedFilter: public QHash<QString, QVariant> {
private:
bool valid;
public:
FeedFilter():valid(true) {}
FeedFilter(bool valid): valid(valid) {}
FeedFilter(QHash<QString, QVariant> filter): QHash<QString, QVariant>(filter), valid(true) {}
bool matches(QString s) {
QStringList tokens = getMatchingTokens();
foreach(const QString& token, tokens) {
QRegExp reg(token, Qt::CaseInsensitive);
if(reg.indexIn(s) < 0) return false;
}
return true;
}
bool isValid() const {
return valid;
}
QStringList getMatchingTokens() const {
QString matches = this->value("matches", "*").toString();
return matches.split(" ");
}
QString getMatchingTokens_str() const {
return this->value("matches", "*").toString();
}
void setMatchingTokens(QString tokens) {
tokens = tokens.trimmed();
if(tokens.isEmpty())
(*this)["matches"] = "*";
else
(*this)["matches"] = tokens;
}
QStringList getNotMatchingTokens() const {
QString notmatching = this->value("not", "").toString();
return notmatching.split(" ");
}
QString getNotMatchingTokens_str() const {
return this->value("not", "").toString();
}
void setNotMatchingTokens(QString tokens) {
(*this)["not"] = tokens.trimmed();
}
QString getSavePath() const {
return this->value("save_path", "").toString();
}
void setSavePath(QString save_path) {
(*this)["save_path"] = save_path;
}
};
class FeedFilters : public QHash<QString, QVariant> {
private:
QString feed_url;
public:
FeedFilters() {}
FeedFilters(QString feed_url, QHash<QString, QVariant> filters): QHash<QString, QVariant>(filters), feed_url(feed_url) {}
bool hasFilter(QString name) const {
return this->contains(name);
}
FeedFilter* matches(QString s) {
if(!isDownloadingEnabled()) return 0;
if(this->size() == 0) return new FeedFilter(false);
foreach(QVariant var_hash_filter, this->values()) {
QHash<QString, QVariant> hash_filter = var_hash_filter.toHash();
FeedFilter *filter = new FeedFilter(hash_filter);
if(filter->matches(s))
return filter;
else
delete filter;
}
return 0;
}
QStringList names() const {
return this->keys();
}
FeedFilter getFilter(QString name) const {
if(this->contains(name))
return FeedFilter(this->value(name).toHash());
return FeedFilter();
}
void setFilter(QString name, FeedFilter f) {
(*this)[name] = f;
}
bool isDownloadingEnabled() const {
QSettings qBTRSS("qBittorrent", "qBittorrent-rss");
QHash<QString, QVariant> feeds_w_downloader = qBTRSS.value("downloader_on", QHash<QString, QVariant>()).toHash();
return feeds_w_downloader.value(feed_url, false).toBool();
}
void setDownloadingEnabled(bool enabled) {
QSettings qBTRSS("qBittorrent", "qBittorrent-rss");
QHash<QString, QVariant> feeds_w_downloader = qBTRSS.value("downloader_on", QHash<QString, QVariant>()).toHash();
feeds_w_downloader[feed_url] = enabled;
qBTRSS.setValue("downloader_on", feeds_w_downloader);
}
static FeedFilters getFeedFilters(QString url) {
QSettings qBTRSS("qBittorrent", "qBittorrent-rss");
QHash<QString, QVariant> all_feeds_filters = qBTRSS.value("feed_filters", QHash<QString, QVariant>()).toHash();
return FeedFilters(url, all_feeds_filters.value(url, QHash<QString, QVariant>()).toHash());
}
void save() {
QSettings qBTRSS("qBittorrent", "qBittorrent-rss");
QHash<QString, QVariant> all_feeds_filters = qBTRSS.value("feed_filters", QHash<QString, QVariant>()).toHash();
qDebug("Saving filters for feed: %s (%d filters)", feed_url.toLocal8Bit().data(), (*this).size());
all_feeds_filters[feed_url] = *this;
qBTRSS.setValue("feed_filters", all_feeds_filters);
}
};
class FeedDownloaderDlg : public QDialog, private Ui_FeedDownloader{
Q_OBJECT
private:
QString feed_url;
QString feed_name;
FeedFilters filters;
bittorrent *BTSession;
QString selected_filter; // name
public:
FeedDownloaderDlg(QWidget *parent, QString feed_url, QString feed_name, bittorrent* BTSession): QDialog(parent), feed_url(feed_url), feed_name(feed_name), BTSession(BTSession), selected_filter(QString::null){
setupUi(this);
setAttribute(Qt::WA_DeleteOnClose);
Q_ASSERT(!feed_name.isEmpty());
rssfeed_lbl->setText(feed_name);
filters = FeedFilters::getFeedFilters(feed_url);
// Connect Signals/Slots
connect(filtersList, SIGNAL(currentItemChanged(QListWidgetItem* , QListWidgetItem *)), this, SLOT(showFilterSettings(QListWidgetItem *)));
connect(del_button, SIGNAL(clicked(bool)), this, SLOT(deleteFilter()));
connect(add_button, SIGNAL(clicked(bool)), this, SLOT(addFilter()));
connect(enableDl_cb, SIGNAL(stateChanged(int)), this, SLOT(enableFilterBox(int)));
// Restore saved info
enableDl_cb->setChecked(filters.isDownloadingEnabled());
// Fill filter list
foreach(QString filter_name, filters.names()) {
new QListWidgetItem(filter_name, filtersList);
}
if(filters.size() > 0) {
// Select first filter
filtersList->setCurrentItem(filtersList->item(0));
//showFilterSettings(filtersList->item(0));
}
// Show
show();
}
~FeedDownloaderDlg() {
// Make sure we save everything
saveCurrentFilterSettings();
filters.save();
}
protected slots:
void saveCurrentFilterSettings() {
if(!selected_filter.isEmpty()) {
FeedFilter filter = filters.getFilter(selected_filter);
filter.setMatchingTokens(match_line->text());
filter.setNotMatchingTokens(notmatch_line->text());
QString save_path = savepath_line->text().trimmed();
if(save_path.isEmpty())
save_path = BTSession->getDefaultSavePath();
filter.setSavePath(save_path);
// Save updated filter
filters.setFilter(selected_filter, filter);
}
}
void showFilterSettings(QListWidgetItem *item) {
// First, save current filter settings
saveCurrentFilterSettings();
if(!item) {
qDebug("No new selected item");
return;
}
// Actually show filter settings
QString filter_name = item->text();
FeedFilter filter = filters.getFilter(filter_name);
filterSettingsBox->setEnabled(true);
match_line->setText(filter.getMatchingTokens_str());
notmatch_line->setText(filter.getNotMatchingTokens_str());
QString save_path = filter.getSavePath();
if(save_path.isEmpty())
save_path = BTSession->getDefaultSavePath();
savepath_line->setText(save_path);
// Update selected filter
selected_filter = filter_name;
}
void deleteFilter() {
QList<QListWidgetItem *> items = filtersList->selectedItems();
if(items.size() == 1) {
filters.remove(selected_filter);
selected_filter = QString::null;
QListWidgetItem * item = items.first();
delete item;
// Reset Filter settings view
if(filters.size() == 0) {
clearFields();
filterSettingsBox->setEnabled(false);
}
}
}
void enableFilterBox(int state) {
if(state == Qt::Checked) {
filtersBox->setEnabled(true);
filters.setDownloadingEnabled(true);
} else {
filtersBox->setEnabled(false);
filters.setDownloadingEnabled(false);
}
}
QString askFilterName(QString name=QString::null) {
QString name_prop;
if(name.isEmpty())
name_prop = tr("New filter");
else
name_prop = name;
QString new_name;
bool validated = false;
do {
bool ok;
new_name = QInputDialog::getText(this, tr("Please choose a name for this filter"), tr("Filter name:"), QLineEdit::Normal, name_prop, &ok);
if(!ok) {
return QString::null;
}
// Validate filter name
new_name = new_name.trimmed();
if(new_name.isEmpty()) {
// Cannot be left empty
QMessageBox::critical(0, tr("Invalid filter name"), tr("The filter name cannot be left empty."));
} else {
validated = true;
}
} while(!validated);
return new_name;
}
void addFilter() {
QString filter_name = QString::null;
bool validated = false;
do {
filter_name = askFilterName();
if(filters.hasFilter(filter_name)) {
// Filter alread exists
QMessageBox::critical(0, tr("Invalid filter name"), tr("This filter name is already in use."));
} else {
validated = true;
}
}while(!validated);
QListWidgetItem *it = new QListWidgetItem(filter_name, filtersList);
filtersList->setCurrentItem(it);
//showFilterSettings(it);
}
void clearFields() {
match_line->clear();
notmatch_line->clear();
savepath_line->clear();
}
};
#endif // FEEDDOWNLOADER_H