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strawberry-audio-player-win.../src/subsonic/subsonicrequest.cpp

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/*
* Strawberry Music Player
* Copyright 2019-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <QObject>
#include <QDir>
#include <QMimeDatabase>
#include <QByteArray>
#include <QByteArrayList>
#include <QString>
#include <QUrl>
#include <QUrlQuery>
#include <QDateTime>
#include <QImage>
#include <QImageReader>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QSslConfiguration>
#include <QSslSocket>
#include <QJsonObject>
#include <QJsonArray>
#include <QJsonValue>
#include "core/application.h"
#include "core/logging.h"
#include "core/song.h"
#include "core/networktimeouts.h"
#include "utilities/imageutils.h"
#include "utilities/timeconstants.h"
#include "subsonicservice.h"
#include "subsonicurlhandler.h"
#include "subsonicbaserequest.h"
#include "subsonicrequest.h"
const int SubsonicRequest::kMaxConcurrentAlbumsRequests = 3;
const int SubsonicRequest::kMaxConcurrentAlbumSongsRequests = 3;
const int SubsonicRequest::kMaxConcurrentAlbumCoverRequests = 1;
SubsonicRequest::SubsonicRequest(SubsonicService *service, SubsonicUrlHandler *url_handler, Application *app, QObject *parent)
: SubsonicBaseRequest(service, parent),
service_(service),
url_handler_(url_handler),
app_(app),
network_(new QNetworkAccessManager(this)),
timeouts_(new NetworkTimeouts(30000, this)),
finished_(false),
albums_requests_active_(0),
album_songs_requests_active_(0),
album_songs_requested_(0),
album_songs_received_(0),
album_covers_requests_active_(0),
album_covers_requested_(0),
album_covers_received_(0),
no_results_(false) {
network_->setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
}
SubsonicRequest::~SubsonicRequest() {
while (!replies_.isEmpty()) {
QNetworkReply *reply = replies_.takeFirst();
QObject::disconnect(reply, nullptr, this, nullptr);
if (reply->isRunning()) reply->abort();
reply->deleteLater();
}
while (!album_cover_replies_.isEmpty()) {
QNetworkReply *reply = album_cover_replies_.takeFirst();
QObject::disconnect(reply, nullptr, this, nullptr);
if (reply->isRunning()) reply->abort();
reply->deleteLater();
}
}
void SubsonicRequest::Reset() {
finished_ = false;
albums_requests_queue_.clear();
album_songs_requests_queue_.clear();
album_cover_requests_queue_.clear();
album_songs_requests_pending_.clear();
album_covers_requests_sent_.clear();
albums_requests_active_ = 0;
album_songs_requests_active_ = 0;
album_songs_requested_ = 0;
album_songs_received_ = 0;
album_covers_requests_active_ = 0;
album_covers_requested_ = 0;
album_covers_received_ = 0;
songs_.clear();
cover_urls_.clear();
errors_.clear();
no_results_ = false;
replies_.clear();
album_cover_replies_.clear();
}
void SubsonicRequest::GetAlbums() {
emit UpdateStatus(tr("Retrieving albums..."));
emit UpdateProgress(0);
AddAlbumsRequest();
}
void SubsonicRequest::AddAlbumsRequest(const int offset, const int size) {
Request request;
request.size = size;
request.offset = offset;
albums_requests_queue_.enqueue(request);
if (albums_requests_active_ < kMaxConcurrentAlbumsRequests) FlushAlbumsRequests();
}
void SubsonicRequest::FlushAlbumsRequests() {
while (!albums_requests_queue_.isEmpty() && albums_requests_active_ < kMaxConcurrentAlbumsRequests) {
Request request = albums_requests_queue_.dequeue();
++albums_requests_active_;
ParamList params = ParamList() << Param("type", "alphabeticalByName");
if (request.size > 0) params << Param("size", QString::number(request.size));
if (request.offset > 0) params << Param("offset", QString::number(request.offset));
QNetworkReply *reply = CreateGetRequest(QString("getAlbumList2"), params);
replies_ << reply;
QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, request]() { AlbumsReplyReceived(reply, request.offset, request.size); });
timeouts_->AddReply(reply);
}
}
void SubsonicRequest::AlbumsReplyReceived(QNetworkReply *reply, const int offset_requested, const int size_requested) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
QObject::disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
--albums_requests_active_;
QByteArray data = GetReplyData(reply);
if (finished_) return;
if (data.isEmpty()) {
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
QJsonObject json_obj = ExtractJsonObj(data);
if (json_obj.isEmpty()) {
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
if (json_obj.contains("error")) {
QJsonValue json_error = json_obj["error"];
if (!json_error.isObject()) {
Error("Json error is not an object.", json_obj);
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
json_obj = json_error.toObject();
if (!json_obj.isEmpty() && json_obj.contains("code") && json_obj.contains("message")) {
int code = json_obj["code"].toInt();
QString message = json_obj["message"].toString();
Error(QString("%1 (%2)").arg(message).arg(code));
AlbumsFinishCheck(offset_requested, size_requested);
}
else {
Error("Json error object is missing code or message.", json_obj);
AlbumsFinishCheck(offset_requested, size_requested);
}
return;
}
if (!json_obj.contains("albumList") && !json_obj.contains("albumList2")) {
Error("Json reply is missing albumList.", json_obj);
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
QJsonValue value_albumlist;
if (json_obj.contains("albumList")) value_albumlist = json_obj["albumList"];
else if (json_obj.contains("albumList2")) value_albumlist = json_obj["albumList2"];
if (!value_albumlist.isObject()) {
Error("Json album list is not an object.", value_albumlist);
AlbumsFinishCheck(offset_requested, size_requested);
}
json_obj = value_albumlist.toObject();
if (json_obj.isEmpty()) {
if (offset_requested == 0) no_results_ = true;
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
if (!json_obj.contains("album")) {
Error("Json album list does not contain album array.", json_obj);
AlbumsFinishCheck(offset_requested, size_requested);
}
QJsonValue json_album = json_obj["album"];
if (json_album.isNull()) {
if (offset_requested == 0) no_results_ = true;
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
if (!json_album.isArray()) {
Error("Json album is not an array.", json_album);
AlbumsFinishCheck(offset_requested, size_requested);
}
QJsonArray array_albums = json_album.toArray();
if (array_albums.isEmpty()) {
if (offset_requested == 0) no_results_ = true;
AlbumsFinishCheck(offset_requested, size_requested);
return;
}
int albums_received = 0;
for (const QJsonValueRef value_album : array_albums) {
++albums_received;
if (!value_album.isObject()) {
Error("Invalid Json reply, album is not an object.");
continue;
}
QJsonObject obj_album = value_album.toObject();
if (!obj_album.contains("id") || !obj_album.contains("artist")) {
Error("Invalid Json reply, album object in array is missing ID or artist.", obj_album);
continue;
}
if (!obj_album.contains("album") && !obj_album.contains("name")) {
Error("Invalid Json reply, album object in array is missing album or name.", obj_album);
continue;
}
QString album_id = obj_album["id"].toString();
if (album_id.isEmpty()) {
album_id = QString::number(obj_album["id"].toInt());
}
QString artist = obj_album["artist"].toString();
QString album;
if (obj_album.contains("album")) album = obj_album["album"].toString();
else if (obj_album.contains("name")) album = obj_album["name"].toString();
if (album_songs_requests_pending_.contains(album_id)) continue;
Request request;
request.album_id = album_id;
request.album_artist = artist;
album_songs_requests_pending_.insert(album_id, request);
}
AlbumsFinishCheck(offset_requested, size_requested, albums_received);
}
void SubsonicRequest::AlbumsFinishCheck(const int offset, const int size, const int albums_received) {
if (finished_) return;
if (albums_received > 0 && albums_received >= size) {
int offset_next = offset + albums_received;
if (offset_next > 0) {
AddAlbumsRequest(offset_next);
}
}
if (!albums_requests_queue_.isEmpty() && albums_requests_active_ < kMaxConcurrentAlbumsRequests) FlushAlbumsRequests();
if (albums_requests_queue_.isEmpty() && albums_requests_active_ <= 0) { // Albums list is finished, get songs for all albums.
for (QHash<QString, Request> ::iterator it = album_songs_requests_pending_.begin(); it != album_songs_requests_pending_.end(); ++it) {
Request request = it.value();
AddAlbumSongsRequest(request.artist_id, request.album_id, request.album_artist);
}
album_songs_requests_pending_.clear();
if (album_songs_requested_ > 0) {
if (album_songs_requested_ == 1) emit UpdateStatus(tr("Retrieving songs for %1 album...").arg(album_songs_requested_));
else emit UpdateStatus(tr("Retrieving songs for %1 albums...").arg(album_songs_requested_));
emit ProgressSetMaximum(album_songs_requested_);
emit UpdateProgress(0);
}
}
FinishCheck();
}
void SubsonicRequest::AddAlbumSongsRequest(const QString &artist_id, const QString &album_id, const QString &album_artist, const int offset) {
Request request;
request.artist_id = artist_id;
request.album_id = album_id;
request.album_artist = album_artist;
request.offset = offset;
album_songs_requests_queue_.enqueue(request);
++album_songs_requested_;
if (album_songs_requests_active_ < kMaxConcurrentAlbumSongsRequests) FlushAlbumSongsRequests();
}
void SubsonicRequest::FlushAlbumSongsRequests() {
while (!album_songs_requests_queue_.isEmpty() && album_songs_requests_active_ < kMaxConcurrentAlbumSongsRequests) {
Request request = album_songs_requests_queue_.dequeue();
++album_songs_requests_active_;
QNetworkReply *reply = CreateGetRequest(QString("getAlbum"), ParamList() << Param("id", request.album_id));
replies_ << reply;
QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, request]() { AlbumSongsReplyReceived(reply, request.artist_id, request.album_id, request.album_artist); });
timeouts_->AddReply(reply);
}
}
void SubsonicRequest::AlbumSongsReplyReceived(QNetworkReply *reply, const QString &artist_id, const QString &album_id, const QString &album_artist) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
QObject::disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
--album_songs_requests_active_;
++album_songs_received_;
emit UpdateProgress(album_songs_received_);
QByteArray data = GetReplyData(reply);
if (finished_) return;
if (data.isEmpty()) {
SongsFinishCheck();
return;
}
QJsonObject json_obj = ExtractJsonObj(data);
if (json_obj.isEmpty()) {
SongsFinishCheck();
return;
}
if (json_obj.contains("error")) {
QJsonValue json_error = json_obj["error"];
if (!json_error.isObject()) {
Error("Json error is not an object.", json_obj);
SongsFinishCheck();
return;
}
json_obj = json_error.toObject();
if (!json_obj.isEmpty() && json_obj.contains("code") && json_obj.contains("message")) {
int code = json_obj["code"].toInt();
QString message = json_obj["message"].toString();
Error(QString("%1 (%2)").arg(message).arg(code));
SongsFinishCheck();
}
else {
Error("Json error object missing code or message.", json_obj);
SongsFinishCheck();
}
return;
}
if (!json_obj.contains("album")) {
Error("Json reply is missing albumList.", json_obj);
SongsFinishCheck();
return;
}
QJsonValue value_album = json_obj["album"];
if (!value_album.isObject()) {
Error("Json album is not an object.", value_album);
SongsFinishCheck();
return;
}
QJsonObject obj_album = value_album.toObject();
if (!obj_album.contains("song")) {
Error("Json album object does not contain song array.", json_obj);
SongsFinishCheck();
return;
}
QJsonValue json_song = obj_album["song"];
if (!json_song.isArray()) {
Error("Json song is not an array.", obj_album);
SongsFinishCheck();
return;
}
QJsonArray array_songs = json_song.toArray();
qint64 created = 0;
if (obj_album.contains("created")) {
created = QDateTime::fromString(obj_album["created"].toString(), Qt::ISODate).toSecsSinceEpoch();
}
bool compilation = false;
bool multidisc = false;
SongList songs;
int songs_received = 0;
for (const QJsonValueRef value_song : array_songs) {
if (!value_song.isObject()) {
Error("Invalid Json reply, track is not a object.");
continue;
}
QJsonObject obj_song = value_song.toObject();
++songs_received;
Song song(Song::Source::Subsonic);
ParseSong(song, obj_song, artist_id, album_id, album_artist, created);
if (!song.is_valid()) continue;
if (song.disc() >= 2) multidisc = true;
if (song.is_compilation()) compilation = true;
songs << song;
}
for (Song song : songs) {
if (compilation) song.set_compilation_detected(true);
if (!multidisc) {
song.set_disc(0);
}
songs_.insert(song.song_id(), song);
}
SongsFinishCheck();
}
void SubsonicRequest::SongsFinishCheck() {
if (finished_) return;
if (!album_songs_requests_queue_.isEmpty() && album_songs_requests_active_ < kMaxConcurrentAlbumSongsRequests) FlushAlbumSongsRequests();
if (
download_album_covers() &&
album_songs_requests_queue_.isEmpty() &&
album_songs_requests_active_ <= 0 &&
album_cover_requests_queue_.isEmpty() &&
album_covers_received_ <= 0 &&
album_covers_requests_sent_.isEmpty() &&
album_songs_received_ >= album_songs_requested_
) {
GetAlbumCovers();
}
FinishCheck();
}
QString SubsonicRequest::ParseSong(Song &song, const QJsonObject &json_obj, const QString &artist_id_requested, const QString &album_id_requested, const QString &album_artist, const qint64 album_created) {
Q_UNUSED(artist_id_requested);
Q_UNUSED(album_id_requested);
if (
!json_obj.contains("id") ||
!json_obj.contains("title") ||
!json_obj.contains("size") ||
!json_obj.contains("suffix") ||
!json_obj.contains("duration") ||
!json_obj.contains("type")
) {
Error("Invalid Json reply, song is missing one or more values.", json_obj);
return QString();
}
QString song_id;
if (json_obj["id"].type() == QJsonValue::String) {
song_id = json_obj["id"].toString();
}
else {
song_id = QString::number(json_obj["id"].toInt());
}
QString album_id;
if (json_obj.contains("albumId")) {
if (json_obj["albumId"].type() == QJsonValue::String) {
album_id = json_obj["albumId"].toString();
}
else {
album_id = QString::number(json_obj["albumId"].toInt());
}
}
QString artist_id;
if (json_obj.contains("artistId")) {
if (json_obj["artistId"].type() == QJsonValue::String) {
artist_id = json_obj["artistId"].toString();
}
else {
artist_id = QString::number(json_obj["artistId"].toInt());
}
}
QString title = json_obj["title"].toString();
QString album;
if (json_obj.contains("album")) {
album = json_obj["album"].toString();
}
QString artist;
if (json_obj.contains("artist")) {
artist = json_obj["artist"].toString();
}
int size = 0;
if (json_obj["size"].type() == QJsonValue::String) {
size = json_obj["size"].toString().toInt();
}
else {
size = json_obj["size"].toInt();
}
qint64 duration = 0;
if (json_obj["duration"].type() == QJsonValue::String) {
duration = json_obj["duration"].toString().toInt() * kNsecPerSec;
}
else {
duration = json_obj["duration"].toInt() * kNsecPerSec;
}
int bitrate = 0;
if (json_obj.contains("bitRate")) {
if (json_obj["bitRate"].type() == QJsonValue::String) {
bitrate = json_obj["bitRate"].toString().toInt();
}
else {
bitrate = json_obj["bitRate"].toInt();
}
}
QString mimetype;
if (json_obj.contains("contentType")) {
mimetype = json_obj["contentType"].toString();
}
int year = 0;
if (json_obj.contains("year")) {
if (json_obj["year"].type() == QJsonValue::String) {
year = json_obj["year"].toString().toInt();
}
else {
year = json_obj["year"].toInt();
}
}
int disc = 0;
if (json_obj.contains("discNumber")) {
if (json_obj["discNumber"].type() == QJsonValue::String) {
disc = json_obj["discNumber"].toString().toInt();
}
else {
disc = json_obj["discNumber"].toInt();
}
}
int track = 0;
if (json_obj.contains("track")) {
if (json_obj["track"].type() == QJsonValue::String) {
track = json_obj["track"].toString().toInt();
}
else {
track = json_obj["track"].toInt();
}
}
QString genre;
if (json_obj.contains("genre")) genre = json_obj["genre"].toString();
QString cover_id;
if (json_obj.contains("coverArt")) {
if (json_obj["coverArt"].type() == QJsonValue::String) {
cover_id = json_obj["coverArt"].toString();
}
else {
cover_id = QString::number(json_obj["coverArt"].toInt());
}
}
qint64 created = 0;
if (json_obj.contains("created")) {
created = QDateTime::fromString(json_obj["created"].toString(), Qt::ISODate).toSecsSinceEpoch();
}
else {
created = album_created;
}
QUrl url;
url.setScheme(url_handler_->scheme());
url.setPath(song_id);
QUrl cover_url;
if (!cover_id.isEmpty()) {
if (cover_urls_.contains(cover_id)) {
cover_url = cover_urls_[cover_id];
}
else {
cover_url = CreateUrl(server_url(), auth_method(), username(), password(), "getCoverArt", ParamList() << Param("id", cover_id));
cover_urls_.insert(cover_id, cover_url);
}
}
Song::FileType filetype(Song::FileType::Stream);
if (!mimetype.isEmpty()) {
QMimeDatabase mimedb;
QStringList suffixes = mimedb.mimeTypeForName(mimetype.toUtf8()).suffixes();
for (const QString &suffix : suffixes) {
filetype = Song::FiletypeByExtension(suffix);
if (filetype != Song::FileType::Unknown) break;
}
if (filetype == Song::FileType::Unknown) {
qLog(Debug) << "Subsonic: Unknown mimetype" << mimetype;
filetype = Song::FileType::Stream;
}
}
song.set_source(Song::Source::Subsonic);
song.set_song_id(song_id);
if (!album_id.isEmpty()) song.set_album_id(album_id);
if (!artist_id.isEmpty()) song.set_artist_id(artist_id);
if (!album_artist.isEmpty()) song.set_albumartist(album_artist);
song.set_album(album);
song.set_artist(artist);
song.set_title(title);
if (track > 0) song.set_track(track);
if (disc > 0) song.set_disc(disc);
if (year > 0) song.set_year(year);
song.set_url(url);
song.set_length_nanosec(duration);
if (cover_url.isValid()) song.set_art_automatic(cover_url);
song.set_genre(genre);
song.set_directory_id(0);
song.set_filetype(filetype);
song.set_filesize(size);
song.set_mtime(created);
song.set_ctime(created);
song.set_bitrate(bitrate);
song.set_valid(true);
return song_id;
}
void SubsonicRequest::GetAlbumCovers() {
const SongList songs = songs_.values();
for (const Song &song : songs) {
if (!song.art_automatic().isEmpty()) AddAlbumCoverRequest(song);
}
FlushAlbumCoverRequests();
if (album_covers_requested_ == 1) emit UpdateStatus(tr("Retrieving album cover for %1 album...").arg(album_covers_requested_));
else emit UpdateStatus(tr("Retrieving album covers for %1 albums...").arg(album_covers_requested_));
emit ProgressSetMaximum(album_covers_requested_);
emit UpdateProgress(0);
}
void SubsonicRequest::AddAlbumCoverRequest(const Song &song) {
QUrl cover_url(song.art_automatic());
if (!cover_url.isValid()) {
return;
}
QUrlQuery cover_url_query(cover_url);
if (!cover_url_query.hasQueryItem("id")) {
return;
}
QString cover_id = cover_url_query.queryItemValue("id");
if (album_covers_requests_sent_.contains(cover_id)) {
album_covers_requests_sent_.insert(cover_id, song.song_id());
return;
}
QString cover_path = Song::ImageCacheDir(Song::Source::Subsonic);
QDir dir(cover_path);
if (!dir.exists()) dir.mkpath(cover_path);
AlbumCoverRequest request;
request.album_id = song.album_id();
request.cover_id = cover_id;
request.url = cover_url;
request.filename = cover_path + "/" + cover_id + ".jpg";
if (request.filename.isEmpty()) return;
album_covers_requests_sent_.insert(cover_id, song.song_id());
++album_covers_requested_;
album_cover_requests_queue_.enqueue(request);
}
void SubsonicRequest::FlushAlbumCoverRequests() {
while (!album_cover_requests_queue_.isEmpty() && album_covers_requests_active_ < kMaxConcurrentAlbumCoverRequests) {
AlbumCoverRequest request = album_cover_requests_queue_.dequeue();
++album_covers_requests_active_;
QNetworkRequest req(request.url);
req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
req.setAttribute(QNetworkRequest::Http2AllowedAttribute, http2());
#endif
if (!verify_certificate()) {
QSslConfiguration sslconfig = QSslConfiguration::defaultConfiguration();
sslconfig.setPeerVerifyMode(QSslSocket::VerifyNone);
req.setSslConfiguration(sslconfig);
}
QNetworkReply *reply = network_->get(req);
album_cover_replies_ << reply;
QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, request]() { AlbumCoverReceived(reply, request); });
timeouts_->AddReply(reply);
}
}
void SubsonicRequest::AlbumCoverReceived(QNetworkReply *reply, const AlbumCoverRequest &request) {
if (album_cover_replies_.contains(reply)) {
album_cover_replies_.removeAll(reply);
QObject::disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
}
else {
AlbumCoverFinishCheck();
return;
}
--album_covers_requests_active_;
++album_covers_received_;
if (finished_) return;
emit UpdateProgress(album_covers_received_);
if (!album_covers_requests_sent_.contains(request.cover_id)) {
AlbumCoverFinishCheck();
return;
}
if (reply->error() != QNetworkReply::NoError) {
Error(QString("%1 (%2) for %3").arg(reply->errorString()).arg(reply->error()).arg(request.url.toString()));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
AlbumCoverFinishCheck();
return;
}
if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
Error(QString("Received HTTP code %1 for %2.").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()).arg(request.url.toString()));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
AlbumCoverFinishCheck();
return;
}
QString mimetype = reply->header(QNetworkRequest::ContentTypeHeader).toString();
if (mimetype.contains(';')) {
mimetype = mimetype.left(mimetype.indexOf(';'));
}
if (!ImageUtils::SupportedImageMimeTypes().contains(mimetype, Qt::CaseInsensitive) && !ImageUtils::SupportedImageFormats().contains(mimetype, Qt::CaseInsensitive)) {
Error(QString("Unsupported mimetype for image reader %1 for %2").arg(mimetype, request.url.toString()));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
AlbumCoverFinishCheck();
return;
}
QByteArray data = reply->readAll();
if (data.isEmpty()) {
Error(QString("Received empty image data for %1").arg(request.url.toString()));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
AlbumCoverFinishCheck();
return;
}
QByteArrayList format_list = ImageUtils::ImageFormatsForMimeType(mimetype.toUtf8());
char *format = nullptr;
if (!format_list.isEmpty()) {
format = format_list.first().data();
}
QImage image;
if (image.loadFromData(data, format)) {
if (image.save(request.filename, format)) {
while (album_covers_requests_sent_.contains(request.cover_id)) {
const QString song_id = album_covers_requests_sent_.take(request.cover_id);
if (songs_.contains(song_id)) {
songs_[song_id].set_art_automatic(QUrl::fromLocalFile(request.filename));
}
}
}
else {
Error(QString("Error saving image data to %1.").arg(request.filename));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
}
}
else {
Error(QString("Error decoding image data from %1.").arg(request.url.toString()));
if (album_covers_requests_sent_.contains(request.cover_id)) album_covers_requests_sent_.remove(request.cover_id);
}
AlbumCoverFinishCheck();
}
void SubsonicRequest::AlbumCoverFinishCheck() {
if (!album_cover_requests_queue_.isEmpty() && album_covers_requests_active_ < kMaxConcurrentAlbumCoverRequests) {
FlushAlbumCoverRequests();
}
FinishCheck();
}
void SubsonicRequest::FinishCheck() {
if (
!finished_ &&
albums_requests_queue_.isEmpty() &&
album_songs_requests_queue_.isEmpty() &&
album_cover_requests_queue_.isEmpty() &&
album_songs_requests_pending_.isEmpty() &&
album_covers_requests_sent_.isEmpty() &&
albums_requests_active_ <= 0 &&
album_songs_requests_active_ <= 0 &&
album_songs_received_ >= album_songs_requested_ &&
album_covers_requests_active_ <= 0 &&
album_covers_received_ >= album_covers_requested_
) {
finished_ = true;
if (no_results_ && songs_.isEmpty()) {
emit Results(SongMap(), QString());
}
else {
if (songs_.isEmpty() && errors_.isEmpty()) {
emit Results(songs_, tr("Unknown error"));
}
else {
emit Results(songs_, ErrorsToHTML(errors_));
}
}
}
}
void SubsonicRequest::Error(const QString &error, const QVariant &debug) {
if (!error.isEmpty()) {
qLog(Error) << "Subsonic:" << error;
errors_ << error;
}
if (debug.isValid()) qLog(Debug) << debug;
}
void SubsonicRequest::Warn(const QString &error, const QVariant &debug) {
qLog(Error) << "Subsonic:" << error;
if (debug.isValid()) qLog(Debug) << debug;
}
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