Added back support for RSS download rules export

Changelog

@@ -10,6 +10,7 @@
     - FEATURE: Bring up the connection settings when clicking on the connection status icon
     - COSMETIC: Replaced message box by on-screen notification for download errors
     - COSMETIC: Improved the torrent creation tool appearance
+    - OTHERS: Dropped support for Qt <= 4.4
 
 * Tue Aug 24 2010 - Christophe Dumez <chris@qbittorrent.org> - v2.4.0
     - FEATURE: Added actions to "Move to top/bottom" of priority queue

src/rss/automatedrssdownloader.cpp

@@ -216,7 +216,7 @@ void AutomatedRssDownloader::saveCurrentRule(QListWidgetItem * item)
   rule.setLabel(ui->comboLabel->currentText());
   // Save new label
   if(!rule.label().isEmpty())
-      Preferences::addTorrentLabel(rule.label());
+    Preferences::addTorrentLabel(rule.label());
   rule.setRssFeeds(getSelectedFeeds());
   // Save it
   m_ruleList->saveRule(rule);
@@ -259,3 +259,25 @@ void AutomatedRssDownloader::on_browseSP_clicked()
   if(!save_path.isEmpty())
     ui->lineSavePath->setText(save_path);
 }
+
+void AutomatedRssDownloader::on_exportBtn_clicked()
+{
+  if(m_ruleList->isEmpty()) {
+    QMessageBox::warning(this, tr("Invalid action"), tr("The list is empty, there is nothing to export."));
+    return;
+  }
+  // Ask for a save path
+  QString save_path = QFileDialog::getSaveFileName(this, tr("Where would you like to save the list?"), QDir::homePath(), tr("Rule list (*.rssrules *.filters)"));
+  if(save_path.isEmpty()) return;
+  if(!save_path.endsWith(".rssrules", Qt::CaseInsensitive))
+    save_path += ".rssrules";
+  if(!m_ruleList->serialize(save_path)) {
+    QMessageBox::warning(this, tr("I/O Error"), tr("Failed to create the destination file"));
+    return;
+  }
+}
+
+void AutomatedRssDownloader::on_importBtn_clicked()
+{
+  // TODO
+}

src/rss/automatedrssdownloader.h

@@ -64,6 +64,10 @@ private slots:
   void on_removeRuleBtn_clicked();
   void on_browseSP_clicked();
 
+  void on_exportBtn_clicked();
+
+  void on_importBtn_clicked();
+
 private:
   RssDownloadRule getCurrentRule() const;
   void initLabelCombobox();

src/rss/rssdownloadrulelist.cpp

@@ -28,6 +28,8 @@
  * Contact : chris@qbittorrent.org
  */
 
+#include <QFile>
+
 #include "rssdownloadrulelist.h"
 #include "qinisettings.h"
 
@@ -135,7 +137,7 @@ void RssDownloadRuleList::removeRule(const QString &name)
   const RssDownloadRule rule = m_rules.take(name);
   // Update feedRules hashtable
   foreach(const QString &feed_url, rule.rssFeeds()) {
-     m_feedRules[feed_url].removeOne(rule.name());
+    m_feedRules[feed_url].removeOne(rule.name());
   }
   // Save rules
   saveRulesToStorage();
@@ -158,7 +160,7 @@ void RssDownloadRuleList::renameRule(const QString &old_name, const QString &new
   m_rules.insert(new_name, rule);
   // Update feedRules hashtable
   foreach(const QString &feed_url, rule.rssFeeds()) {
-     m_feedRules[feed_url].replace(m_feedRules[feed_url].indexOf(old_name), new_name);
+    m_feedRules[feed_url].replace(m_feedRules[feed_url].indexOf(old_name), new_name);
   }
   // Save rules
   saveRulesToStorage();
@@ -168,3 +170,17 @@ RssDownloadRule RssDownloadRuleList::getRule(const QString &name) const
 {
   return m_rules.value(name);
 }
+
+bool RssDownloadRuleList::serialize(const QString& path)
+{
+  QFile f(path);
+  if(f.open(QIODevice::WriteOnly)) {
+    QDataStream out(&f);
+    out.setVersion(QDataStream::Qt_4_5);
+    out << toVariantHash();
+    f.close();
+    return true;
+  } else {
+    return false;
+  }
+}

src/rss/rssdownloadrulelist.h

@@ -57,6 +57,8 @@ public:
   void renameRule(const QString &old_name, const QString &new_name);
   RssDownloadRule getRule(const QString &name) const;
   inline QStringList ruleNames() const { return m_rules.keys(); }
+  inline bool isEmpty() const { return m_rules.isEmpty(); }
+  bool serialize(const QString& path);
 
 private:
   void loadRulesFromStorage();