minor oracle improvement

cockatrice/src/carddatabase.cpp

@@ -460,7 +460,8 @@ bool CardDatabase::loadFromFile(const QString &fileName)
 bool CardDatabase::saveToFile(const QString &fileName)
 {
 	QFile file(fileName);
-	file.open(QIODevice::WriteOnly);
+	if (!file.open(QIODevice::WriteOnly))
+		return false;
 	QXmlStreamWriter xml(&file);
 
 	xml.setAutoFormatting(true);

oracle/src/oracleimporter.cpp

@@ -266,7 +266,6 @@ void OracleImporter::httpRequestFinished(int requestId, bool error)
 	++setIndex;
 	
 	if (setIndex == setsToDownload.size()) {
-		saveToFile(dataDir + "/cards.xml");
 		emit setIndexChanged(cards, setIndex, QString());
 		setIndex = -1;
 	} else {

oracle/src/oracleimporter.h

@@ -49,6 +49,7 @@ public:
 	int startDownload();
 	int importTextSpoiler(CardSet *set, const QByteArray &data);
 	QList<SetToDownload> &getSets() { return allSets; }
+	const QString &getDataDir() const { return dataDir; }
 };
 
 #endif

oracle/src/window_main.cpp

@@ -153,6 +153,23 @@ void WindowMain::updateTotalProgress(int cardsImported, int setIndex, const QStr
 	totalProgressBar->setValue(setIndex);
 	if (nextSetName.isEmpty()) {
 		QMessageBox::information(this, tr("Oracle importer"), tr("Import finished: %1 cards.").arg(importer->getCardList().size()));
+		bool ok = false;
+		QString savePath = importer->getDataDir() + "/cards.xml";
+		do {
+			QString fileName;
+			if (savePath.isEmpty())
+				fileName = QFileDialog::getSaveFileName(this, tr("Save card database"), importer->getDataDir() + "/cards.xml", tr("XML card database (*.xml)"));
+			else {
+				fileName = savePath;
+				savePath.clear();
+			}
+			if (fileName.isEmpty())
+				qApp->quit();
+			if (importer->saveToFile(fileName))
+				ok = true;
+			else
+				QMessageBox::critical(this, tr("Error"), tr("The file could not be saved to the desired location."));
+		} while (!ok);
 		qApp->quit();
 	} else {
 		nextSetLabel2->setText(nextSetName);