SoundcloudParser - WIP (wont handle users yet)

src/libtomahawk/utils/SoundcloudParser.cpp

@@ -0,0 +1,244 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2012, Hugo Lindström <hugolm84@gmail.com>
+ *
+ *   Tomahawk 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.
+ *
+ *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "SoundcloudParser.h"
+
+#include "utils/Logger.h"
+#include "utils/TomahawkUtils.h"
+#include "Query.h"
+#include "SourceList.h"
+#include "jobview/JobStatusView.h"
+#include "jobview/JobStatusModel.h"
+#include "jobview/ErrorStatusMessage.h"
+#include "DropJobNotifier.h"
+#include "ViewManager.h"
+
+#include <qjson/parser.h>
+
+#include <QtNetwork/QNetworkAccessManager>
+#include <QtNetwork/QNetworkReply>
+
+using namespace Tomahawk;
+
+QPixmap* SoundcloudParser::s_pixmap = 0;
+
+
+SoundcloudParser::SoundcloudParser( const QStringList& Urls, bool createNewPlaylist, QObject* parent )
+    : QObject ( parent )
+    , m_single( false )
+    , m_trackMode( true )
+    , m_createNewPlaylist( createNewPlaylist )
+    , m_browseJob( 0 )
+    , m_type( DropJob::All )
+
+{
+    foreach ( const QString& url, Urls )
+        lookupUrl( url );
+}
+
+
+SoundcloudParser::SoundcloudParser( const QString& Url, bool createNewPlaylist, QObject* parent )
+    : QObject ( parent )
+    , m_single( true )
+    , m_trackMode( true )
+    , m_createNewPlaylist( createNewPlaylist )
+    , m_browseJob( 0 )
+    , m_type( DropJob::All )
+{
+    lookupUrl( Url );
+}
+
+
+SoundcloudParser::~SoundcloudParser()
+{
+}
+
+
+void
+SoundcloudParser::lookupUrl( const QString& link )
+{
+    tDebug() << "Looking up URL..." << link;
+    QUrl scLink( QString( "http://api.soundcloud.com/resolve.json?client_id=TiNg2DRYhBnp01DA3zNag&url=" ) + link );
+    qDebug() << scLink.toString();
+    QNetworkReply* reply = TomahawkUtils::nam()->get( QNetworkRequest( scLink ) );
+    connect( reply, SIGNAL( finished() ), this, SLOT( SoundcloudBrowseFinished() ) );
+
+    m_browseJob = new DropJobNotifier( pixmap(), "Soundcloud", DropJob::All, reply );
+    JobStatusView::instance()->model()->addJob( m_browseJob );
+
+    m_queries.insert( reply );
+
+}
+
+void
+SoundcloudParser::parseTrack( const QVariantMap& res )
+{
+
+    QString title, artist;
+    title = res.value( "title", QString() ).toString();
+    artist = res.value( "user" ).toMap().value( "username", QString() ).toString();
+
+    if ( title.isEmpty() && artist.isEmpty() ) // don't have enough...
+    {
+        tLog() << "Didn't get an artist and track name from Soundcloud, not enough to build a query on. Aborting" << title << artist;
+        return;
+    }
+
+    Tomahawk::query_ptr q = Tomahawk::Query::get( artist, title, QString(), uuid(), m_trackMode );
+
+    if ( !q.isNull() )
+    {
+        tLog() << "Setting resulthint to " << res.value( "stream_url" );
+        q->setResultHint( res.value( "trackuri" ).toString() + "&client_id=TiNg2DRYhBnp01DA3zNag" );
+        q->setProperty( "annotation", res.value( "trackuri" ).toString() + "&client_id=TiNg2DRYhBnp01DA3zNag" );
+        m_tracks << q;
+    }
+
+}
+
+void
+SoundcloudParser::SoundcloudLookupFinished()
+{
+
+    QNetworkReply* r = qobject_cast< QNetworkReply* >( sender() );
+    Q_ASSERT( r );
+    m_queries.remove( r );
+    r->deleteLater();
+
+    if ( r->error() == QNetworkReply::NoError )
+    {
+        QJson::Parser p;
+        bool ok;
+        QVariantMap res = p.parse( r, &ok ).toMap();
+
+        if ( !ok )
+        {
+            tLog() << "Failed to parse json from Soundcloud browse item :" << p.errorString() << "On line" << p.errorLine();
+            return;
+        }
+
+        if( m_type == DropJob::Track )
+        {
+            parseTrack( res );
+        }
+        else if( m_type == DropJob::Playlist )
+        {
+            QString title, user, desc;
+            title = res.value( "title" ).toString();
+            desc = res.value( "description" ).toString();
+            user = res.value( "user" ).toMap().value( "username" ).toString();
+
+            QVariantList tracks = res.value( "tracks" ).toList();
+
+            foreach( const QVariant& track, tracks )
+                parseTrack( track.toMap() );
+
+            if( m_createNewPlaylist )
+            {
+                m_playlist = Playlist::create( SourceList::instance()->getLocal(),
+                                           uuid(),
+                                           title,
+                                           desc,
+                                           user,
+                                           false,
+                                           m_tracks );
+
+                connect( m_playlist.data(), SIGNAL( revisionLoaded( Tomahawk::PlaylistRevision ) ), this, SLOT( playlistCreated() ) );
+                return;
+            }
+
+        }
+        else if( m_type == DropJob::Artist )
+        {
+            // cant parse soundcloud json here atm.
+        }
+
+    }
+
+    if ( m_single && !m_tracks.isEmpty() )
+        emit track( m_tracks.first() );
+    else if ( !m_single && !m_tracks.isEmpty() )
+        emit tracks( m_tracks );
+
+    deleteLater();
+
+}
+
+void
+SoundcloudParser::playlistCreated()
+{
+    ViewManager::instance()->show( m_playlist );
+    deleteLater();
+}
+
+void
+SoundcloudParser::SoundcloudBrowseFinished()
+{
+    QNetworkReply* r = qobject_cast< QNetworkReply* >( sender() );
+    Q_ASSERT( r );
+
+    r->deleteLater();
+
+    if ( r->error() == QNetworkReply::NoError )
+    {
+        if( r->rawHeaderList().contains( "Location" ) )
+        {
+            QString url = r->rawHeader("Location");
+            if( url.contains( "tracks" ) )
+            {
+                m_type = DropJob::Track;
+            }
+            else if( url.contains( "users" ) )
+            {
+                // For now, dont handle user tracklists
+                m_type = DropJob::All; //DropJob::Artist;
+                url = url.replace( ".json", "/tracks.json" );
+                qDebug() << "Gots artist!" << url;
+            }
+            else if( url.contains( "playlists" ) )
+            {
+                m_type = DropJob::Playlist;
+            }
+
+            if( m_type != DropJob::All )
+            {
+                QNetworkReply* reply = TomahawkUtils::nam()->get( QNetworkRequest( QUrl(url) ) );
+                connect( reply, SIGNAL( finished() ), this, SLOT( SoundcloudLookupFinished() ) );
+            }
+        }
+    }
+
+    if( m_type == DropJob::All )
+    { // No good
+        m_queries.remove( r );
+
+        if ( m_browseJob )
+            m_browseJob->setFinished();
+        return;
+    }
+
+}
+
+QPixmap
+SoundcloudParser::pixmap() const
+{
+    if ( !s_pixmap )
+        s_pixmap = new QPixmap( RESPATH "images/Spotify-logo.png" );
+
+    return *s_pixmap;
+}

src/libtomahawk/utils/SoundcloudParser.h

@@ -0,0 +1,93 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2010-2011, Leo Franchi <lfranchi@kde.org>
+ *   Copyright 2010-2011, Hugo Lindström <hugolm84@gmail.com>
+ *
+ *   Tomahawk 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.
+ *
+ *   Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef Soundcloud_PARSER_H
+#define Soundcloud_PARSER_H
+
+#include "DllMacro.h"
+#include "Typedefs.h"
+#include "Query.h"
+#include "DropJob.h"
+#include "jobview/JobStatusItem.h"
+#include <QObject>
+#include <QSet>
+#include <QtCore/QStringList>
+
+#define Soundcloud_PLAYLIST_API_URL "http://spotikea.tomahawk-player.org"
+
+/**
+ * Small class to parse Soundcloud links into query_ptrs
+ *
+ * Connect to the signals to get the results
+ */
+
+class QNetworkReply;
+class SoundcloudAccount;
+class SoundcloudPlaylistUpdater;
+namespace Tomahawk
+{
+
+class DropJobNotifier;
+
+class DLLEXPORT SoundcloudParser : public QObject
+{
+    Q_OBJECT
+public:
+    friend class SoundcloudJobNotifier;
+    explicit SoundcloudParser( const QString& trackUrl, bool createNewPlaylist = false, QObject* parent = 0 );
+    explicit SoundcloudParser( const QStringList& trackUrls, bool createNewPlaylist = false, QObject* parent = 0 );
+    virtual ~SoundcloudParser();
+
+    // if true, emits track(), if false, emits tracks().
+    // only matters if you're using the QString constructor and explicityl dont' want
+    // the single track signal
+    void setSingleMode( bool single ) { m_single = single; }
+
+signals:
+    void track( const Tomahawk::query_ptr& track );
+    void tracks( const QList< Tomahawk::query_ptr > tracks );
+    void playlist( const Tomahawk::query_ptr& playlist );
+
+private slots:
+    void SoundcloudBrowseFinished();
+    void SoundcloudLookupFinished();
+    void playlistCreated();
+
+private:
+    QPixmap pixmap() const;
+    void lookupUrl( const QString& url );
+    void checkBrowseFinished();
+    void parseTrack( const QVariantMap& res );
+
+    bool m_single;
+    bool m_trackMode;
+    bool m_createNewPlaylist;
+
+    int m_subscribers;
+    QList< query_ptr > m_tracks;
+    QSet< QNetworkReply* > m_queries;
+    Tomahawk::playlist_ptr m_playlist;
+    DropJobNotifier* m_browseJob;
+    DropJob::DropType m_type;
+    static QPixmap* s_pixmap;
+};
+
+}
+
+#endif