316 lines
12 KiB
C++
316 lines
12 KiB
C++
/****************************************************************************************
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* Copyright (c) 2010 Leo Franchi <lfranchi@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify it under *
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* the terms of the GNU General Public License as published by the Free Software *
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* Foundation; either version 2 of the License, or (at your option) any later *
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* version. *
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* *
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
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* PARTICULAR PURPOSE. See the GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License along with *
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* this program. If not, see <http://www.gnu.org/licenses/>. *
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****************************************************************************************/
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#include "Playlist.h"
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#include "Playlist_p.h"
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#include "Parsing_p.h"
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Echonest::DynamicPlaylist::DynamicPlaylist()
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: d( new DynamicPlaylistData )
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{
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}
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Echonest::DynamicPlaylist::DynamicPlaylist(const Echonest::DynamicPlaylist& other)
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: d( other.d )
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{
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}
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Echonest::DynamicPlaylist::~DynamicPlaylist()
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{
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}
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Echonest::DynamicPlaylist& Echonest::DynamicPlaylist::operator=(const Echonest::DynamicPlaylist& playlist)
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{
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d = playlist.d;
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return *this;
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}
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QNetworkReply* Echonest::DynamicPlaylist::start(const Echonest::DynamicPlaylist::PlaylistParams& params)
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{
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// params are the same, if user passes in format parsing will throw, but it should be expected..
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return generateInternal( params, "dynamic" );
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}
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Echonest::Song Echonest::DynamicPlaylist::parseStart(QNetworkReply* reply) throw( Echonest::ParseError )
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{
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Echonest::Parser::checkForErrors( reply );
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QXmlStreamReader xml( reply->readAll() );
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Echonest::Parser::readStatus( xml );
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d->sessionId = Echonest::Parser::parsePlaylistSessionId( xml );
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Echonest::SongList songs = Echonest::Parser::parseSongList( xml );
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if( !songs.size() == 1 )
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throw new Echonest::ParseError( UnknownParseError );
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d->currentSong = songs.front();
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return d->currentSong;
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}
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QByteArray Echonest::DynamicPlaylist::sessionId() const
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{
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return d->sessionId;
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}
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void Echonest::DynamicPlaylist::setSessionId(const QByteArray& id)
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{
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d->sessionId = id;
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}
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Echonest::Song Echonest::DynamicPlaylist::currentSong() const
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{
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return d->currentSong;
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}
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void Echonest::DynamicPlaylist::setCurrentSong(const Echonest::Song& song)
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{
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d->currentSong = song;
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}
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QNetworkReply* Echonest::DynamicPlaylist::fetchNextSong(int rating)
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{
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QUrl url = Echonest::baseGetQuery( "playlist", "dynamic" );
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url.addEncodedQueryItem( "session_id", d->sessionId );
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if( rating > 0 )
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url.addEncodedQueryItem( "rating", QByteArray::number( rating ) );
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return Echonest::Config::instance()->nam()->get( QNetworkRequest( url ) );
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}
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Echonest::Song Echonest::DynamicPlaylist::parseNextSong(QNetworkReply* reply)
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{
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return parseStart( reply );
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}
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QNetworkReply* Echonest::DynamicPlaylist::staticPlaylist(const Echonest::DynamicPlaylist::PlaylistParams& params)
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{
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return Echonest::DynamicPlaylist::generateInternal( params, "static" );
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}
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Echonest::SongList Echonest::DynamicPlaylist::parseStaticPlaylist(QNetworkReply* reply) throw( Echonest::ParseError )
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{
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Echonest::Parser::checkForErrors( reply );
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QXmlStreamReader xml( reply->readAll() );
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Echonest::Parser::readStatus( xml );
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Echonest::SongList songs = Echonest::Parser::parseSongList( xml );
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return songs;
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}
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QNetworkReply* Echonest::DynamicPlaylist::generateInternal(const Echonest::DynamicPlaylist::PlaylistParams& params, const QByteArray& type)
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{
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QUrl url = Echonest::baseGetQuery( "playlist", type );
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Echonest::DynamicPlaylist::PlaylistParams::const_iterator iter = params.constBegin();
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for( ; iter < params.constEnd(); ++iter ) {
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if( iter->first == Format ) // If it's a format, we have to remove the xml format we automatically specify
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url.removeEncodedQueryItem( "format" );
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if( iter->first == Type ) { // convert type enum to string
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switch( static_cast<Echonest::DynamicPlaylist::ArtistTypeEnum>( iter->second.toInt() ) )
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{
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case ArtistType:
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url.addEncodedQueryItem( playlistParamToString( iter->first ), "artist" );
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break;
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case ArtistRadioType:
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url.addEncodedQueryItem( playlistParamToString( iter->first ), "artist-radio" );
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break;
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case ArtistDescriptionType:
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url.addEncodedQueryItem( playlistParamToString( iter->first ), "artist-description" );
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break;
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}
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} else if( iter->first == Sort ) {
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url.addEncodedQueryItem( playlistParamToString( iter->first ), playlistSortToString( static_cast<Echonest::DynamicPlaylist::SortingType>( iter->second.toInt() ) ) );
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} else if( iter->first == Pick ) {
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url.addEncodedQueryItem( playlistParamToString( iter->first ), playlistArtistPickToString( static_cast<Echonest::DynamicPlaylist::ArtistPick>( iter->second.toInt() ) ) );
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} else if( iter->first == SongInformation ){
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Echonest::Song::addQueryInformation( url, Echonest::Song::SongInformation( iter->second.value< Echonest::Song::SongInformation >() ) );
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} else {
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url.addQueryItem( QLatin1String( playlistParamToString( iter->first ) ), iter->second.toString().replace( QLatin1Char( ' ' ), QLatin1Char( '+' ) ) );
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}
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}
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qDebug() << "Creating playlist URL" << url;
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return Echonest::Config::instance()->nam()->get( QNetworkRequest( url ) );
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}
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QByteArray Echonest::DynamicPlaylist::playlistParamToString(Echonest::DynamicPlaylist::PlaylistParam param)
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{
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switch( param )
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{
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case Echonest::DynamicPlaylist::Type :
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return "type";
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case Echonest::DynamicPlaylist::Format :
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return "format";
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case Echonest::DynamicPlaylist::Pick:
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return "artist_pick";
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case Echonest::DynamicPlaylist::Variety :
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return "variety";
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case Echonest::DynamicPlaylist::ArtistId :
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return "artist_id";
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case Echonest::DynamicPlaylist::Artist :
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return "artist";
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case Echonest::DynamicPlaylist::SongId :
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return "song_id";
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case Echonest::DynamicPlaylist::Description :
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return "description";
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case Echonest::DynamicPlaylist::Results :
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return "results";
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case Echonest::DynamicPlaylist::MaxTempo :
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return "max_tempo";
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case Echonest::DynamicPlaylist::MinTempo :
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return "min_tempo";
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case Echonest::DynamicPlaylist::MaxDuration :
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return "max_duration";
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case Echonest::DynamicPlaylist::MinDuration :
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return "min_duration";
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case Echonest::DynamicPlaylist::MaxLoudness :
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return "max_loudness";
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case Echonest::DynamicPlaylist::MinLoudness :
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return "min_loudness";
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case Echonest::DynamicPlaylist::ArtistMaxFamiliarity :
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return "artist_max_familiarity";
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case Echonest::DynamicPlaylist::ArtistMinFamiliarity :
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return "artist_min_familiarity";
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case Echonest::DynamicPlaylist::ArtistMaxHotttnesss :
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return "artist_max_hotttnesss";
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case Echonest::DynamicPlaylist::ArtistMinHotttnesss :
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return "artist_min_hotttnesss";
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case Echonest::DynamicPlaylist::SongMaxHotttnesss :
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return "song_max_hotttnesss";
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case Echonest::DynamicPlaylist::SongMinHotttnesss :
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return "song_min_hotttnesss";
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case Echonest::DynamicPlaylist::ArtistMinLongitude :
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return "artist_min_longitude";
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case Echonest::DynamicPlaylist::ArtistMaxLongitude :
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return "artist_max_longitude";
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case Echonest::DynamicPlaylist::ArtistMinLatitude :
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return "artist_min_latitude";
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case Echonest::DynamicPlaylist::ArtistMaxLatitude :
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return "artist_max_latitude";
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case Echonest::DynamicPlaylist::Mode :
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return "mode";
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case Echonest::DynamicPlaylist::Key :
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return "key";
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case Echonest::DynamicPlaylist::SongInformation:
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return "bucket";
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case Echonest::DynamicPlaylist::Sort :
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return "sort";
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case Echonest::DynamicPlaylist::Limit :
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return "limit";
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case Echonest::DynamicPlaylist::Audio :
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return "audio";
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case Echonest::DynamicPlaylist::DMCA :
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return "dmca";
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}
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return QByteArray();
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}
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QByteArray Echonest::DynamicPlaylist::playlistArtistPickToString(Echonest::DynamicPlaylist::ArtistPick pick)
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{
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switch( pick )
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{
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case PickSongHotttnesssAscending:
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return "song_hotttnesss-asc";
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case PickTempoAscending:
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return "tempo-asc";
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case PickDurationAscending:
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return "duration-asc";
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case PickLoudnessAscending:
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return "loudness-asc";
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case PickModeAscending:
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return "mode-asc";
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case PickKeyAscending:
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return "key-asc";
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case PickSongHotttnesssDescending:
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return "song_hotttnesss-desc";
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case PickTempoDescending:
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return "tempo-desc";
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case PickDurationDescending:
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return "duration-desc";
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case PickLoudnessDescending:
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return "loudness-desc";
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case PickModeDescending:
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return "mode-desc";
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case PickKeyDescending:
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return "key-desc";
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}
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return QByteArray();
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}
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QByteArray Echonest::DynamicPlaylist::playlistSortToString(Echonest::DynamicPlaylist::SortingType sorting)
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{
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switch( sorting )
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{
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case SortTempoAscending:
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return "tempo-asc";
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case SortTempoDescending:
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return "tempo-desc";
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case SortDurationAscending:
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return "duration-asc";
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case SortDurationDescending:
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return "duration-desc";
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case SortArtistFamiliarityAscending:
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return "artist_familiarity-asc";
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case SortArtistFamiliarityDescending:
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return "artist_familiarity-desc";
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case SortArtistHotttnessAscending:
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return "artist_hotttnesss-asc";
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case SortArtistHotttnessDescending:
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return "artist_hotttnesss-desc";
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case SortSongHotttnesssAscending:
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return "song_hotttnesss-asc";
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case SortSongHotttnesssDescending:
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return "song_hotttnesss-desc";
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case SortLatitudeAscending:
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return "latitude-asc";
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case SortLatitudeDescending:
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return "latitude-desc";
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case SortLongitudeAscending:
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return "longitude-asc";
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case SortLongitudeDescending:
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return "longitude-desc";
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case SortModeAscending:
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return "mode-asc";
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case SortModeDescending:
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return "mode-desc";
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case SortKeyAscending:
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return "key-asc";
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case SortKeyDescending:
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return "key-desc";
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}
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return QByteArray();
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}
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QDebug Echonest::operator<<(QDebug d, const Echonest::DynamicPlaylist& playlist)
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{
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d << QString::fromLatin1( "DynamicPlaylist(%1, %2)" ).arg( QLatin1String( playlist.sessionId() ), playlist.currentSong().toString() );
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return d.maybeSpace();
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}
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