Clementine-audio-player-Mac.../3rdparty/libechonest/Song.cpp

433 lines
13 KiB
C++

/****************************************************************************************
* Copyright (c) 2010 Leo Franchi <lfranchi@kde.org> *
* *
* This program 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 2 of the License, or (at your option) any later *
* version. *
* *
* This program 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 *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "Song.h"
#include "Config.h"
#include "Song_p.h"
#include "AudioSummary.h"
#include <QNetworkReply>
#include <QDebug>
#include <QtNetwork/QNetworkReply>
#include "Parsing_p.h"
#include <qxmlstream.h>
#include <qjson/serializer.h>
#include <qjson/parser.h>
Echonest::Song::Song()
: d( new SongData )
{}
Echonest::Song::Song(const QByteArray& id, const QString& title, const QByteArray& artistId, const QString& artistName)
:d( new SongData )
{
d->id = id;
d->title = title;
d->artistId = artistId;
d->artistName = artistName;
}
Echonest::Song::Song(const QByteArray& id)
:d( new SongData )
{
d->id = id;
}
Echonest::Song::Song(const Echonest::Song& other)
: d( other.d )
{
}
Echonest::Song::~Song()
{
}
Echonest::Song& Echonest::Song::operator=(const Echonest::Song& song)
{
d = song.d;
return *this;
}
QByteArray Echonest::Song::id() const
{
return d->id;
}
void Echonest::Song::setId(const QByteArray& id)
{
d->id = id;
}
QString Echonest::Song::title() const
{
return d->title;
}
void Echonest::Song::setTitle(const QString& title)
{
d->title = title;
}
QByteArray Echonest::Song::artistId() const
{
return d->artistId;
}
void Echonest::Song::setArtistId(const QByteArray& artistId)
{
d->artistId = artistId;
}
QString Echonest::Song::artistName() const
{
return d->artistName;
}
void Echonest::Song::setArtistName(const QString& artistName)
{
d->artistName = artistName;
}
QString Echonest::Song::release() const
{
return d->release;
}
void Echonest::Song::setRelease(const QString& release)
{
d->release = release;
}
QVector< Echonest::Track > Echonest::Song::tracks() const
{
return d->tracks;
}
void Echonest::Song::setTracks(const QVector< Echonest::Track >& tracks)
{
d->tracks = tracks;
}
qreal Echonest::Song::hotttnesss() const
{
return d->hotttnesss;
}
void Echonest::Song::setHotttnesss(qreal hotttnesss)
{
d->hotttnesss = hotttnesss;
}
qreal Echonest::Song::artistHotttnesss() const
{
return d->artistHotttnesss;
}
void Echonest::Song::setArtistHotttnesss(qreal artistHotttnesss)
{
d->artistHotttnesss = artistHotttnesss;
}
Echonest::AudioSummary Echonest::Song::audioSummary() const
{
return d->audioSummary;
}
void Echonest::Song::setAudioSummary(const Echonest::AudioSummary& summary)
{
d->audioSummary = summary;
}
qreal Echonest::Song::artistFamiliarity() const
{
return d->artistFamiliarity;
}
void Echonest::Song::setArtistFamiliarity(qreal artistFamiliarity)
{
d->artistFamiliarity = artistFamiliarity;
}
Echonest::ArtistLocation Echonest::Song::artistLocation() const
{
return d->artistLocation;
}
void Echonest::Song::setArtistLocation(const Echonest::ArtistLocation& artistLocation)
{
d->artistLocation = artistLocation;
}
QNetworkReply* Echonest::Song::fetchInformation( Echonest::SongInformation information ) const
{
QUrl url = Echonest::baseGetQuery( "song", "profile" );
url.addEncodedQueryItem( "id", d->id );
addQueryInformation( url, information );
qDebug() << "Creating fetchInformation URL" << url;
return Echonest::Config::instance()->nam()->get( QNetworkRequest( url ) );
}
QNetworkReply* Echonest::Song::search( const Echonest::Song::SearchParams& params, Echonest::SongInformation information )
{
QUrl url = Echonest::baseGetQuery( "song", "search" );
addQueryInformation( url, information );
SearchParams::const_iterator iter = params.constBegin();
for( ; iter < params.constEnd(); ++iter )
url.addQueryItem( QLatin1String( searchParamToString( iter->first ) ), iter->second.toString().replace( QLatin1Char( ' ' ), QLatin1Char( '+' ) ) );
qDebug() << "Creating search URL" << url;
return Echonest::Config::instance()->nam()->get( QNetworkRequest( url ) );
}
QNetworkReply* Echonest::Song::identify( const Echonest::Song::IdentifyParams& params, const Echonest::SongInformation& information )
{
QVariantMap query;
QVariantMap metadata;
IdentifyParams::const_iterator iter = params.constBegin();
for( ; iter < params.constEnd(); ++iter ) {
if( iter->first == Code )
query[ QLatin1String( identifyParamToString( iter->first ) ) ] = iter->second;
else
metadata[ QLatin1String( identifyParamToString( iter->first ) ) ] = iter->second.toString();
}
metadata[ QLatin1String( "version" ) ] = QLatin1String( "4.12" );
query[ QLatin1String( "metadata" ) ] = metadata;
QJson::Serializer s;
QByteArray data = s.serialize( query );
QUrl url = Echonest::baseGetQuery( "song", "identify" );
addQueryInformation( url, information );
qDebug() << "Creating identify URL" << url;
QNetworkRequest request( url );
request.setHeader( QNetworkRequest::ContentTypeHeader, QLatin1String( "application/octet-stream" ) );
// qDebug() << "Uploading local file to" << url;
return Echonest::Config::instance()->nam()->post( request, data );
}
Echonest::SongList Echonest::Song::parseIdentify( QNetworkReply* reply ) throw( ParseError )
{
Echonest::Parser::checkForErrors( reply );
QByteArray data = reply->readAll();
QJson::Parser p;
QVariantMap res = p.parse( data ).toMap();
// qDebug() << "Got data from identify call:" << data << res;
qDebug() << res[ QLatin1String( "response" ) ].toMap()[ QLatin1String( "songs" ) ].toList();
if( !res.contains( QLatin1String( "response" ) ) || !res[ QLatin1String( "response" ) ].toMap().contains( QLatin1String( "songs" ) ) ) {
qDebug() << "No response or songs elemnt in json...";
throw ParseError( UnknownParseError, QLatin1String( "Invalid json response" ) );
}
SongList songs;
QVariantList songsV = res[ QLatin1String( "response" ) ].toMap()[ QLatin1String( "songs" ) ].toList();
foreach( const QVariant& s, songsV ) {
QVariantMap sM = s.toMap();
Echonest::Song song;
if( sM.contains( QLatin1String( "title" ) ) )
song.setTitle( sM[ QLatin1String( "title" ) ].toString() );
if( sM.contains( QLatin1String( "artist_id" ) ) )
song.setArtistId( sM[ QLatin1String( "artist_id" ) ].toByteArray() );
if( sM.contains( QLatin1String( "artist_name" ) ) )
song.setArtistName( sM[ QLatin1String( "artist_name" ) ].toString() );
if( sM.contains( QLatin1String( "id" ) ) )
song.setId( sM[ QLatin1String( "id" ) ].toByteArray() );
songs.append( song );
}
reply->deleteLater();
return songs;
}
void Echonest::Song::parseInformation( QNetworkReply* reply ) throw( ParseError )
{
Echonest::Parser::checkForErrors( reply );
QXmlStreamReader xml( reply->readAll() );
Echonest::Parser::readStatus( xml );
// we'll just take the new data. it is given as a list even though it can only have 1 song as we specify the song id
QVector< Echonest::Song > songs = Echonest::Parser::parseSongList( xml );
if( !songs.size() == 1 ) { // no data for this song. returned empty.
return;
}
// copy any non-default values
Echonest::Song newSong = songs.at( 0 );
if( newSong.hotttnesss() >= 0 )
setHotttnesss( newSong.hotttnesss() );
if( newSong.artistHotttnesss() >= 0 )
setArtistHotttnesss( newSong.artistHotttnesss() );
if( newSong.artistFamiliarity() >= 0 )
setArtistFamiliarity( newSong.artistFamiliarity() );
if( !newSong.artistLocation().location.isEmpty() )
setArtistLocation( newSong.artistLocation() );
reply->deleteLater();
}
QVector< Echonest::Song > Echonest::Song::parseSearch( QNetworkReply* reply ) throw( ParseError )
{
Echonest::Parser::checkForErrors( reply );
QXmlStreamReader xml( reply->readAll() );
Echonest::Parser::readStatus( xml );
QVector<Echonest::Song> songs = Echonest::Parser::parseSongList( xml );
reply->deleteLater();
return songs;
}
QByteArray Echonest::Song::searchParamToString( Echonest::Song::SearchParam param )
{
switch( param )
{
case Echonest::Song::Title:
return "title";
case Echonest::Song::Artist:
return "artist";
case Echonest::Song::Combined:
return "combined";
case Echonest::Song::Description:
return "description";
case Echonest::Song::ArtistId:
return "artist_id";
case Echonest::Song::Start:
return "start";
case Echonest::Song::Results:
return "results";
case Echonest::Song::MaxTempo:
return "max_tempo";
case Echonest::Song::MinTempo:
return "min_tempo";
case Echonest::Song::MaxDanceability:
return "max_danceability";
case Echonest::Song::MinDanceability:
return "min_danceability";
case Echonest::Song::MaxComplexity:
return "max_complexity";
case Echonest::Song::MinComplexity:
return "min_complexity";
case Echonest::Song::MaxDuration:
return "max_duration";
case Echonest::Song::MinDuration:
return "min_duration";
case Echonest::Song::MaxLoudness:
return "max_loudness";
case Echonest::Song::MinLoudness:
return "min_loudness";
case Echonest::Song::MaxFamiliarity:
return "max_familiarity";
case Echonest::Song::MinFamiliarity:
return "min_familiarity";
case Echonest::Song::MaxHotttnesss:
return "max_hotttnesss";
case Echonest::Song::MinHotttnesss:
return "min_hotttnesss";
case Echonest::Song::MaxLongitude:
return "max_longitude";
case Echonest::Song::MinLongitude:
return "min_longitude";
case Echonest::Song::MinEnergy:
return "min_energy";
case Echonest::Song::MaxEnergy:
return "max_energy";
case Echonest::Song::Mode:
return "mode";
case Echonest::Song::Key:
return "key";
case Echonest::Song::Sort:
return "sort";
}
return QByteArray();
}
QByteArray Echonest::Song::identifyParamToString( Echonest::Song::IdentifyParam param )
{
switch( param )
{
case Echonest::Song::Code:
return "code";
case Echonest::Song::IdentifyArtist:
return "artist";
case Echonest::Song::IdentifyDuration:
return "duration";
case Echonest::Song::IdentifyGenre:
return "genre";
case Echonest::Song::IdentifyRelease:
return "release";
case Echonest::Song::IdentifyTitle:
return "title";
}
return QByteArray();
}
void Echonest::Song::addQueryInformation(QUrl& url, Echonest::SongInformation information)
{
if( information.flags().testFlag( Echonest::SongInformation::AudioSummaryInformation ) )
url.addEncodedQueryItem( "bucket", "audio_summary" );
if( information.flags().testFlag( Echonest::SongInformation::Tracks ) )
url.addEncodedQueryItem( "bucket", "tracks" );
if( information.flags().testFlag( Echonest::SongInformation::Hotttnesss ) )
url.addEncodedQueryItem( "bucket", "song_hotttnesss" );
if( information.flags().testFlag( Echonest::SongInformation::ArtistHotttnesss ) )
url.addEncodedQueryItem( "bucket", "artist_hotttnesss" );
if( information.flags().testFlag( Echonest::SongInformation::ArtistFamiliarity ) )
url.addEncodedQueryItem( "bucket", "artist_familiarity" );
if( information.flags().testFlag( Echonest::SongInformation::ArtistLocation ) )
url.addEncodedQueryItem( "bucket", "artist_location" );
if( !information.idSpaces().isEmpty() ) {
foreach( const QString& idSpace, information.idSpaces() )
url.addEncodedQueryItem( "bucket", "id:" + idSpace.toUtf8() );
}
}
QString Echonest::Song::toString() const
{
return QString::fromLatin1( "Song(%1, %2, %3, %4)" ).arg( title() ).arg( artistName() ).arg( QString::fromLatin1( id() ) ).arg( QString::fromLatin1( artistId() ) );
}
QDebug Echonest::operator<<(QDebug d, const Echonest::Song& song)
{
d << song.toString();
return d.maybeSpace();
}