Clementine-audio-player-Mac.../src/songinfo/spotifyimages.cpp

96 lines
2.9 KiB
C++

#include "spotifyimages.h"
#include <algorithm>
#include <qjson/parser.h>
#include <QPair>
#include "core/closure.h"
#include "core/logging.h"
#include "core/network.h"
namespace {
static const char* kSpotifySearchUrl = "https://api.spotify.com/v1/search";
static const char* kSpotifyArtistUrl = "https://api.spotify.com/v1/artists/%1";
} // namespace
namespace {
QString ExtractSpotifyId(const QString& spotify_uri) {
return spotify_uri.split(':')[2];
}
} // namespace
SpotifyImages::SpotifyImages() : network_(new NetworkAccessManager) {}
SpotifyImages::~SpotifyImages() {}
void SpotifyImages::FetchInfo(int id, const Song& metadata) {
if (metadata.artist().isEmpty()) {
emit Finished(id);
return;
}
// Fetch artist id.
QUrl search_url(kSpotifySearchUrl);
search_url.addQueryItem("q", metadata.artist());
search_url.addQueryItem("type", "artist");
search_url.addQueryItem("limit", "1");
qLog(Debug) << "Fetching artist:" << search_url;
QNetworkRequest request(search_url);
QNetworkReply* reply = network_->get(request);
NewClosure(reply, SIGNAL(finished()), [this, id, reply]() {
reply->deleteLater();
QJson::Parser parser;
QVariantMap result = parser.parse(reply).toMap();
QVariantMap artists = result["artists"].toMap();
if (artists.isEmpty()) {
emit Finished(id);
return;
}
QVariantList items = artists["items"].toList();
if (items.isEmpty()) {
emit Finished(id);
return;
}
QVariantMap artist = items.first().toMap();
QString spotify_uri = artist["uri"].toString();
FetchImagesForArtist(id, ExtractSpotifyId(spotify_uri));
});
}
void SpotifyImages::FetchImagesForArtist(int id, const QString& spotify_id) {
QUrl artist_url(QString(kSpotifyArtistUrl).arg(spotify_id));
qLog(Debug) << "Fetching images for artist:" << artist_url;
QNetworkRequest request(artist_url);
QNetworkReply* reply = network_->get(request);
NewClosure(reply, SIGNAL(finished()), [this, id, reply]() {
reply->deleteLater();
QJson::Parser parser;
QVariantMap result = parser.parse(reply).toMap();
QVariantList images = result["images"].toList();
QList<QPair<QUrl, QSize>> image_candidates;
for (QVariant i : images) {
QVariantMap image = i.toMap();
int height = image["height"].toInt();
int width = image["width"].toInt();
QUrl url = image["url"].toUrl();
image_candidates.append(qMakePair(url, QSize(width, height)));
}
if (!image_candidates.isEmpty()) {
QPair<QUrl, QSize> winner =
*std::max_element(
image_candidates.begin(), image_candidates.end(),
[](const QPair<QUrl, QSize>& a, const QPair<QUrl, QSize>& b) {
return (a.second.height() * a.second.width()) <
(b.second.height() * b.second.width());
});
emit ImageReady(id, winner.first);
}
emit Finished(id);
});
}