// Apply exclude rules
foreach (const Rule& rule, exclude_rules_) {
ApplyExcludeRule(rule, &lyrics);
}
void UltimateLyricsProvider::LyricsFetched() {
QNetworkReply* reply = qobject_cast<QNetworkReply*>(sender());
if (!reply) {
url_hop_ = false;
return;
}
int id = requests_.take(reply);
reply->deleteLater();
if (reply->error() != QNetworkReply::NoError) {
url_hop_ = false;
emit Finished(id);
return;
}
// Handle redirects
QVariant redirect_target = reply->attribute(QNetworkRequest::RedirectionTargetAttribute);
if (redirect_target.isValid()) {
if (redirect_count_ >= kRedirectLimit) {
url_hop_ = false;
emit Finished(id);
return;
}
QUrl target = redirect_target.toUrl();
if (target.scheme().isEmpty() || target.host().isEmpty()) {
QString path = target.path();
target = reply->url();
target.setPath(path);
}
redirect_count_ ++;
QNetworkReply* reply = network_->get(QNetworkRequest(target));
requests_[reply] = id;
connect(reply, SIGNAL(finished()), SLOT(LyricsFetched()));
return;
}
const QTextCodec* codec = QTextCodec::codecForName(charset_.toAscii().constData());
const QString original_content = codec->toUnicode(reply->readAll());
QString lyrics;
// Check for invalid indicators
foreach (const QString& indicator, invalid_indicators_) {
if (original_content.contains(indicator)) {
qLog(Debug) << "Found invalid indicator" << indicator;
url_hop_ = false;
emit Finished(id);
return;
}
}
if (!url_hop_) {
// Apply extract rules
foreach (const Rule& rule, extract_rules_) {
// Modify the rule for this request's metadata
Rule rule_copy(rule);
for (Rule::iterator it = rule_copy.begin() ; it != rule_copy.end() ; ++it) {
ReplaceFields(metadata_, &it->first);
}
QString content = original_content;
if (ApplyExtractRule(rule_copy, &content)) {
url_hop_ = true;
QUrl url(content);
qLog(Debug) << "Next url hop: " << url;
QNetworkReply* reply = network_->get(QNetworkRequest(url));
requests_[reply] = id;
connect(reply, SIGNAL(finished()), SLOT(LyricsFetched()));
return;
}
// Apply exclude rules
foreach (const Rule& rule, exclude_rules_) {
ApplyExcludeRule(rule, &lyrics);
}
