void PendingSimilarArtists::handleReplyFinished ()
{
auto reply = qobject_cast<QNetworkReply*> (sender ());
reply->deleteLater ();
const auto& similar = lastfm::Artist::getSimilar (reply);
if (similar.isEmpty ())
{
emit ready ();
return;
}
auto begin = similar.begin ();
auto end = similar.end ();
const int distance = std::distance (begin, end);
if (distance > NumGet_)
std::advance (begin, distance - NumGet_);
InfosWaiting_ = std::distance (begin, end);
for (auto i = begin; i != end; ++i)
{
auto infoReply = lastfm::Artist (i.value ()).getInfo ();
infoReply->setProperty ("Similarity", i.key ());
connect (infoReply,
SIGNAL (finished ()),
this,
SLOT (handleInfoReplyFinished ()));
connect (infoReply,
SIGNAL (error (QNetworkReply::NetworkError)),
this,
SLOT (handleInfoReplyError ()));
}
}
void PendingSimilarArtists::handleReplyFinished ()
{
auto reply = qobject_cast<QNetworkReply*> (sender ());
reply->deleteLater ();
QDomDocument doc;
if (!doc.setContent (reply->readAll ()))
{
emit ready ();
return;
}
const auto& artistElems = doc.elementsByTagName ("artist");
if (artistElems.isEmpty ())
{
emit ready ();
return;
}
QList<QPair<QString, double>> similar;
for (int i = 0, size = artistElems.size (); i < size; ++i)
{
const auto& elem = artistElems.at (i).toElement ();
similar << qMakePair (elem.firstChildElement ("name").text (),
elem.firstChildElement ("match").text ().toDouble ());
}
auto begin = similar.begin ();
auto end = similar.end ();
const int distance = std::distance (begin, end);
if (distance > NumGet_)
std::advance (begin, distance - NumGet_);
InfosWaiting_ = std::distance (begin, end);
for (auto i = begin; i != end; ++i)
{
QMap<QString, QString> params;
params ["artist"] = i->first;
AddLanguageParam (params);
auto infoReply = Request ("artist.getInfo", NAM_, params);
infoReply->setProperty ("Similarity", i->second);
connect (infoReply,
SIGNAL (finished ()),
this,
SLOT (handleInfoReplyFinished ()));
connect (infoReply,
SIGNAL (error (QNetworkReply::NetworkError)),
this,
SLOT (handleInfoReplyError ()));
}
}
void PendingRecommendedArtists::handleReplyFinished ()
{
auto reply = qobject_cast<QNetworkReply*> (sender ());
reply->deleteLater ();
QDomDocument doc;
if (!doc.setContent (reply->readAll ()))
{
qWarning () << Q_FUNC_INFO
<< "unable to parse reply";
emit error ();
return;
}
auto artistElem = doc.documentElement ()
.firstChildElement ("recommendations")
.firstChildElement ("artist");
auto elemGuard = [&artistElem] (void*) { artistElem = artistElem.nextSiblingElement ("artist"); };
while (!artistElem.isNull ())
{
std::shared_ptr<void> guard (static_cast<void*> (0), elemGuard);
const auto& name = artistElem.firstChildElement ("name").text ();
if (name.isEmpty ())
continue;
QStringList similarTo;
auto similarElem = artistElem.firstChildElement ("context").firstChildElement ("artist");
while (!similarElem.isNull ())
{
similarTo << similarElem.firstChildElement ("name").text ();
similarElem = similarElem.nextSiblingElement ("artist");
}
++InfosWaiting_;
QMap<QString, QString> params;
params ["artist"] = name;
AddLanguageParam (params);
auto infoReply = Request ("artist.getInfo", NAM_, params);
infoReply->setProperty ("SimilarTo", similarTo);
connect (infoReply,
SIGNAL (finished ()),
this,
SLOT (handleInfoReplyFinished ()));
connect (infoReply,
SIGNAL (error (QNetworkReply::NetworkError)),
this,
SLOT (handleInfoReplyError ()));
}
}
