Add NetworkCharts Database Command

src/libtomahawk/CMakeLists.txt

@@ -280,6 +280,7 @@ list(APPEND libSources
     database/DatabaseCommand_ShareTrack.cpp
     database/DatabaseCommand_DeleteInboxEntry.cpp
     database/DatabaseCommand_ModifyInboxEntry.cpp
+    database/DatabaseCommand_NetworkCharts.cpp
     database/Database.cpp
     database/TomahawkSqlQuery.cpp
     database/IdThreadWorker.cpp

src/libtomahawk/database/DatabaseCommand_NetworkCharts.cpp

@@ -0,0 +1,74 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2013, Uwe L. Korn <uwelk@xhochy.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 "DatabaseCommand_NetworkCharts.h"
+
+#include "Track.h"
+#include "DatabaseImpl.h"
+#include "TomahawkSqlQuery.h"
+
+DatabaseCommand_NetworkCharts::DatabaseCommand_NetworkCharts( const QDateTime &from, const QDateTime &to, QObject *parent )
+    : DatabaseCommand( parent )
+    , m_amount( 0 )
+    , m_from( from )
+    , m_to( to )
+{
+}
+
+DatabaseCommand_NetworkCharts::~DatabaseCommand_NetworkCharts()
+{
+}
+
+void
+DatabaseCommand_NetworkCharts::exec( DatabaseImpl * dbi )
+{
+    TomahawkSqlQuery query = dbi->newquery();
+
+    QString limit;
+    if ( m_amount > 0 )
+    {
+        limit = QString( "LIMIT 0, %1" ).arg( m_amount );
+    }
+
+    QString sql = QString(
+                "SELECT COUNT(*) as counter, track.name, artist.name "
+                " FROM playback_log, track, artist "
+                " WHERE track.id = playback_log.track AND artist.id = track.artist "
+                " AND playback_log.playtime >= %1 AND playback_log.playtime <= %2 " // incorportrate timespan
+                " AND playback_log.source IS NOT NULL " // exclude self
+                " GROUP BY playback_log.track "
+                " ORDER BY counter DESC "
+                " %3"
+                ).arg( m_from.toTime_t() ).arg( m_to.toTime_t() ).arg( limit );
+
+    query.prepare( sql );
+    query.exec();
+
+    QList<Tomahawk::track_ptr> tracks;
+    while ( query.next() )
+    {
+            Tomahawk::track_ptr track = Tomahawk::Track::get( query.value( 2 ).toString(), query.value( 1 ).toString() );
+            if ( !track )
+                continue;
+
+            tracks << track;
+    }
+
+    emit done( tracks );
+}
+

src/libtomahawk/database/DatabaseCommand_NetworkCharts.h

@@ -0,0 +1,53 @@
+/* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
+ *
+ *   Copyright 2013, Uwe L. Korn <uwelk@xhochy.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 DATABASECOMMAND_NETWORKCHARTS_H
+#define DATABASECOMMAND_NETWORKCHARTS_H
+
+#include <QObject>
+#include <QVariantMap>
+
+#include "Typedefs.h"
+#include "DatabaseCommand.h"
+
+#include "DllMacro.h"
+
+class DLLEXPORT DatabaseCommand_NetworkCharts : public DatabaseCommand
+{
+Q_OBJECT
+public:
+    explicit DatabaseCommand_NetworkCharts( const QDateTime& from, const QDateTime& to, QObject* parent = 0 );
+    virtual ~DatabaseCommand_NetworkCharts();
+
+    virtual void exec( DatabaseImpl* );
+
+    virtual bool doesMutates() const { return false; }
+    virtual QString commandname() const { return "networkcharts"; }
+
+    void setLimit( unsigned int amount ) { m_amount = amount; }
+
+signals:
+    void done( const QList<Tomahawk::track_ptr>& tracks );
+
+private:
+    unsigned int m_amount;
+    QDateTime m_from;
+    QDateTime m_to;
+};
+
+#endif // DATABASECOMMAND_NETWORKCHARTS_H