File indexing completed on 2024-05-19 04:49:44

0001 /****************************************************************************************
0002  * Copyright (c) 2013 Konrad Zemek <konrad.zemek@gmail.com>                             *
0003  *                                                                                      *
0004  * This program is free software; you can redistribute it and/or modify it under        *
0005  * the terms of the GNU General Public License as published by the Free Software        *
0006  * Foundation; either version 2 of the License, or (at your option) any later           *
0007  * version.                                                                             *
0008  *                                                                                      *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
0012  *                                                                                      *
0013  * You should have received a copy of the GNU General Public License along with         *
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0015  ****************************************************************************************/
0016 
0017 #include "AmarokTrack.h"
0018 
0019 #include "importers/ImporterSqlConnection.h"
0020 
0021 #include <QStringList>
0022 
0023 using namespace StatSyncing;
0024 
0025 AmarokTrack::AmarokTrack( const qint64 urlId, const ImporterSqlConnectionPtr &connection,
0026                           const Meta::FieldHash &metadata, const QSet<QString> &labels )
0027     : SimpleWritableTrack( metadata, labels )
0028     , m_connection( connection )
0029     , m_urlId( urlId )
0030 {
0031 }
0032 
0033 AmarokTrack::~AmarokTrack()
0034 {
0035 }
0036 
0037 void
0038 AmarokTrack::doCommit( const qint64 fields )
0039 {
0040     bool ok = true;
0041     m_connection->transaction();
0042 
0043     QStringList updates;
0044     QVariantMap bindValues;
0045     if( fields & Meta::valFirstPlayed )
0046     {
0047         updates << "createdate = :createdate";
0048         bindValues.insert( ":createdate", m_statistics.value( Meta::valFirstPlayed ) );
0049     }
0050     if( fields & Meta::valLastPlayed )
0051     {
0052         updates << "accessdate = :accessdate";
0053         bindValues.insert( ":accessdate", m_statistics.value( Meta::valLastPlayed ) );
0054     }
0055     if( fields & Meta::valRating )
0056     {
0057         updates << "rating = :rating";
0058         bindValues.insert( ":rating", m_statistics.value( Meta::valRating ) );
0059     }
0060     if( fields & Meta::valPlaycount )
0061     {
0062         updates << "playcount = :playcount";
0063         bindValues.insert( ":playcount", m_statistics.value( Meta::valPlaycount ) );
0064     }
0065 
0066     if( !updates.isEmpty() )
0067     {
0068         const QString query = "UPDATE statistics SET " + updates.join(", ") +
0069                               " WHERE url = :url";
0070 
0071         bindValues.insert( ":url", m_urlId );
0072         m_connection->query( query, bindValues, &ok );
0073         if( !ok )
0074         {
0075             m_connection->rollback();
0076             return;
0077         }
0078     }
0079 
0080     if( fields & Meta::valLabel )
0081     {
0082         // Try to insert all labels. Since the 'label' field's unique, nothing will happen
0083         // if the label already exists
0084         foreach( const QString &label, m_labels )
0085         {
0086             QVariantMap bindValues;
0087             bindValues.insert( ":label", label );
0088             m_connection->query( "INSERT IGNORE INTO labels (label) VALUES ( :label )",
0089                                  bindValues, &ok );
0090             if( !ok )
0091             {
0092                 m_connection->rollback();
0093                 return;
0094             }
0095         }
0096 
0097         // Drop all labels for the track
0098         {
0099             QVariantMap bindValues;
0100             bindValues.insert( ":url", m_urlId );
0101             m_connection->query( "DELETE QUICK FROM urls_labels WHERE url = :url", bindValues,
0102                                  &ok );
0103             if( !ok )
0104             {
0105                 m_connection->rollback();
0106                 return;
0107             }
0108         }
0109 
0110         // Add labels
0111         foreach( const QString &label, m_labels )
0112         {
0113             const QString query = "INSERT INTO urls_labels (url, label) VALUES ( :url, "
0114                                   "(SELECT id FROM labels WHERE label = :label ))";
0115 
0116             QVariantMap bindValues;
0117             bindValues.insert( ":url", m_urlId );
0118             bindValues.insert( ":label", label );
0119 
0120             m_connection->query( query, bindValues, &ok );
0121             if( !ok )
0122             {
0123                 m_connection->rollback();
0124                 return;
0125             }
0126         }
0127     }
0128 
0129     m_connection->commit();
0130 }