Improve Musicbrainz cover provider

This commit is contained in:
Jonas Kvinge
2020-04-23 21:04:37 +02:00
parent 48bc1f8361
commit c1dcef3477
2 changed files with 39 additions and 37 deletions

View File

@@ -19,6 +19,8 @@
#include "config.h" #include "config.h"
#include <algorithm>
#include <QtGlobal> #include <QtGlobal>
#include <QObject> #include <QObject>
#include <QVariant> #include <QVariant>
@@ -36,7 +38,6 @@
#include <QtDebug> #include <QtDebug>
#include "core/application.h" #include "core/application.h"
#include "core/closure.h"
#include "core/network.h" #include "core/network.h"
#include "core/logging.h" #include "core/logging.h"
#include "albumcoverfetcher.h" #include "albumcoverfetcher.h"
@@ -65,14 +66,12 @@ bool MusicbrainzCoverProvider::StartSearch(const QString &artist, const QString
QNetworkRequest req(url); QNetworkRequest req(url);
req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true); req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
QNetworkReply *reply = network_->get(req); QNetworkReply *reply = network_->get(req);
NewClosure(reply, SIGNAL(finished()), this, SLOT(HandleSearchReply(QNetworkReply *, int)), reply, id); connect(reply, &QNetworkReply::finished, [=] { HandleSearchReply(reply, id); });
return true; return true;
} }
void MusicbrainzCoverProvider::CancelSearch(const int id) { Q_UNUSED(id); }
void MusicbrainzCoverProvider::HandleSearchReply(QNetworkReply *reply, const int search_id) { void MusicbrainzCoverProvider::HandleSearchReply(QNetworkReply *reply, const int search_id) {
reply->deleteLater(); reply->deleteLater();
@@ -102,69 +101,70 @@ void MusicbrainzCoverProvider::HandleSearchReply(QNetworkReply *reply, const int
emit SearchFinished(search_id, results); emit SearchFinished(search_id, results);
return; return;
} }
QJsonValue json_value = json_obj["releases"]; QJsonValue value_releases = json_obj["releases"];
if (!json_value.isArray()) { if (!value_releases.isArray()) {
Error("Json releases is not an array.", json_value); Error("Json releases is not an array.", value_releases);
emit SearchFinished(search_id, results); emit SearchFinished(search_id, results);
return; return;
} }
QJsonArray json_releases = json_value.toArray(); QJsonArray array_releases = value_releases.toArray();
if (json_releases.isEmpty()) { if (array_releases.isEmpty()) {
emit SearchFinished(search_id, results); emit SearchFinished(search_id, results);
return; return;
} }
for (const QJsonValue &value : json_releases) { for (const QJsonValue &value_release : array_releases) {
if (!value.isObject()) { if (!value_release.isObject()) {
Error("Invalid Json reply, album value is not an object.", value); Error("Invalid Json reply, releases array value is not an object.", value_release);
continue; continue;
} }
QJsonObject json_obj = value.toObject(); QJsonObject obj_release = value_release.toObject();
if (!json_obj.contains("id") || !json_obj.contains("artist-credit") || !json_obj.contains("title")) { if (!obj_release.contains("id") || !obj_release.contains("artist-credit") || !obj_release.contains("title")) {
Error("Invalid Json reply, album is missing id, artist-credit or title.", json_obj); Error("Invalid Json reply, releases array object is missing id, artist-credit or title.", obj_release);
continue; continue;
} }
QJsonValue json_artists = json_obj["artist-credit"]; QJsonValue json_artists = obj_release["artist-credit"];
if (!json_artists.isArray()) { if (!json_artists.isArray()) {
Error("Json artist-credit is not an array.", json_artists); Error("Invalid Json reply, artist-credit is not a array.", json_artists);
continue; continue;
} }
QJsonArray json_array_artists = json_artists.toArray(); QJsonArray array_artists = json_artists.toArray();
int i = 0; int i = 0;
QString artist; QString artist;
for (const QJsonValue &json_value_artist : json_array_artists) { for (const QJsonValue &value_artist : array_artists) {
if (!json_value_artist.isObject()) { if (!value_artist.isObject()) {
Error("Invalid Json reply, artist is not an object.", json_value_artist); Error("Invalid Json reply, artist is not a object.", value_artist);
continue; continue;
} }
QJsonObject json_obj_artist = json_value_artist.toObject(); QJsonObject obj_artist = value_artist.toObject();
if (!json_obj_artist.contains("artist") ) { if (!obj_artist.contains("artist") ) {
Error("Invalid Json reply, artist is missing.", json_obj_artist); Error("Invalid Json reply, artist is missing.", obj_artist);
continue; continue;
} }
QJsonValue json_value_artist2 = json_obj_artist["artist"]; QJsonValue value_artist2 = obj_artist["artist"];
if (!json_value_artist2.isObject()) { if (!value_artist2.isObject()) {
Error("Invalid Json reply, artist is not an object.", json_value_artist2); Error("Invalid Json reply, artist is not an object.", value_artist2);
continue; continue;
} }
QJsonObject json_obj_artist2 = json_value_artist2.toObject(); QJsonObject obj_artist2 = value_artist2.toObject();
if (!json_obj_artist2.contains("name") ) { if (!obj_artist2.contains("name") ) {
Error("Invalid Json reply, artist is missing name.", json_value_artist2); Error("Invalid Json reply, artist is missing name.", value_artist2);
continue; continue;
} }
artist = json_obj_artist2["name"].toString(); artist = obj_artist2["name"].toString();
++i; ++i;
} }
if (i > 1) artist = "Various artists"; if (i > 1) artist = "Various artists";
QString id = json_obj["id"].toString(); QString id = obj_release["id"].toString();
QString album = json_obj["title"].toString(); QString album = obj_release["title"].toString();
CoverSearchResult cover_result; CoverSearchResult cover_result;
QUrl url(QString(kAlbumCoverUrl).arg(id)); QUrl url(QString(kAlbumCoverUrl).arg(id));
cover_result.artist = artist; cover_result.artist = artist;
@@ -227,7 +227,7 @@ QJsonObject MusicbrainzCoverProvider::ExtractJsonObj(const QByteArray &data) {
Error("Reply from server is missing Json data.", data); Error("Reply from server is missing Json data.", data);
return QJsonObject(); return QJsonObject();
} }
if (json_doc.isNull() || json_doc.isEmpty()) { if (json_doc.isEmpty()) {
Error("Received empty Json document.", json_doc); Error("Received empty Json document.", json_doc);
return QJsonObject(); return QJsonObject();
} }
@@ -245,7 +245,9 @@ QJsonObject MusicbrainzCoverProvider::ExtractJsonObj(const QByteArray &data) {
} }
void MusicbrainzCoverProvider::Error(QString error, QVariant debug) { void MusicbrainzCoverProvider::Error(const QString &error, const QVariant &debug) {
qLog(Error) << "Musicbrainz:" << error; qLog(Error) << "Musicbrainz:" << error;
if (debug.isValid()) qLog(Debug) << debug; if (debug.isValid()) qLog(Debug) << debug;
} }

View File

@@ -40,7 +40,6 @@ class MusicbrainzCoverProvider : public CoverProvider {
explicit MusicbrainzCoverProvider(Application *app, QObject *parent = nullptr); explicit MusicbrainzCoverProvider(Application *app, QObject *parent = nullptr);
bool StartSearch(const QString &artist, const QString &album, const QString &title, const int id); bool StartSearch(const QString &artist, const QString &album, const QString &title, const int id);
void CancelSearch(const int id);
private slots: private slots:
void HandleSearchReply(QNetworkReply *reply, const int search_id); void HandleSearchReply(QNetworkReply *reply, const int search_id);
@@ -48,12 +47,13 @@ class MusicbrainzCoverProvider : public CoverProvider {
private: private:
QByteArray GetReplyData(QNetworkReply *reply); QByteArray GetReplyData(QNetworkReply *reply);
QJsonObject ExtractJsonObj(const QByteArray &data); QJsonObject ExtractJsonObj(const QByteArray &data);
void Error(QString error, QVariant debug = QVariant()); void Error(const QString &error, const QVariant &debug = QVariant());
private: private:
static const char *kReleaseSearchUrl; static const char *kReleaseSearchUrl;
static const char *kAlbumCoverUrl; static const char *kAlbumCoverUrl;
static const int kLimit; static const int kLimit;
QNetworkAccessManager *network_; QNetworkAccessManager *network_;
}; };