QVariant PodcastParser::Load(QIODevice* device, const QUrl& url) const {
QXmlStreamReader reader(device);
while (!reader.atEnd()) {
switch (reader.readNext()) {
case QXmlStreamReader::StartElement: {
const QStringRef name = reader.name();
if (name == "rss") {
Podcast podcast;
if (!ParseRss(&reader, &podcast)) {
return QVariant();
} else {
podcast.set_url(url);
return QVariant::fromValue(podcast);
}
} else if (name == "opml") {
OpmlContainer container;
if (!ParseOpml(&reader, &container)) {
return QVariant();
} else {
container.url = url;
return QVariant::fromValue(container);
}
}
return QVariant();
}
default:
break;
}
}
return QVariant();
}
void PodcastParser::ParseOutline(QXmlStreamReader* reader, OpmlContainer* ret) const {
while (!reader->atEnd()) {
QXmlStreamReader::TokenType type = reader->readNext();
switch (type) {
case QXmlStreamReader::StartElement: {
const QStringRef name = reader->name();
if (name != "outline") {
Utilities::ConsumeCurrentElement(reader);
continue;
}
QXmlStreamAttributes attributes = reader->attributes();
if (attributes.value("type").toString() == "rss") {
// Parse the feed and add it to this container
Podcast podcast;
podcast.set_description(attributes.value("description").toString());
podcast.set_title(attributes.value("text").toString());
podcast.set_image_url_large(QUrl::fromEncoded(attributes.value("imageHref").toString().toAscii()));
podcast.set_url(QUrl::fromEncoded(attributes.value("xmlUrl").toString().toAscii()));
ret->feeds.append(podcast);
// Consume any children and the EndElement.
Utilities::ConsumeCurrentElement(reader);
} else {
// Create a new child container
OpmlContainer child;
// Take the name from the fullname attribute first if it exists.
child.name = attributes.value("fullname").toString();
if (child.name.isEmpty()) {
child.name = attributes.value("text").toString();
}
// Parse its contents and add it to this container
ParseOutline(reader, &child);
ret->containers.append(child);
}
break;
}
case QXmlStreamReader::EndElement:
return;
default:
break;
}
}
}
void ITunesSearchPage::SearchFinished(QNetworkReply* reply) {
reply->deleteLater();
emit Busy(false);
model()->clear();
// Was there a network error?
if (reply->error() != QNetworkReply::NoError) {
QMessageBox::warning(this, tr("Failed to fetch podcasts"),
reply->errorString());
return;
}
QJson::Parser parser;
QVariant data = parser.parse(reply);
// Was it valid JSON?
if (data.isNull()) {
QMessageBox::warning(
this, tr("Failed to fetch podcasts"),
tr("There was a problem parsing the response from the iTunes Store"));
return;
}
// Was there an error message in the JSON?
if (data.toMap().contains("errorMessage")) {
QMessageBox::warning(this, tr("Failed to fetch podcasts"),
data.toMap()["errorMessage"].toString());
return;
}
for (const QVariant& result_variant : data.toMap()["results"].toList()) {
QVariantMap result(result_variant.toMap());
if (result["kind"].toString() != "podcast") {
continue;
}
Podcast podcast;
podcast.set_author(result["artistName"].toString());
podcast.set_title(result["trackName"].toString());
podcast.set_url(result["feedUrl"].toUrl());
podcast.set_link(result["trackViewUrl"].toUrl());
podcast.set_image_url_small(QUrl(result["artworkUrl30"].toString()));
podcast.set_image_url_large(QUrl(result["artworkUrl100"].toString()));
model()->appendRow(model()->CreatePodcastItem(podcast));
}
}