scrobbler: refactoring again

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@3187 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 187 insertions, 0 deletions

diff --git a/src/plugins/General/scrobbler/scrobblercache.cpp b/src/plugins/General/scrobbler/scrobblercache.cpp
new file mode 100644
index 000000000..054b6ba75
--- /dev/null
+++ b/src/plugins/General/scrobbler/scrobblercache.cpp
@@ -0,0 +1,187 @@
+/***************************************************************************
+ *   Copyright (C) 2013 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <QFile>
+#include "scrobblercache.h"
+
+SongInfo::SongInfo()
+{
+    m_length = 0;
+}
+
+SongInfo::SongInfo(const QMap <Qmmp::MetaData, QString> metadata, qint64 length)
+{
+    m_metadata = metadata;
+    m_length = length;
+}
+
+SongInfo::SongInfo(const SongInfo &other)
+{
+    m_metadata = other.metaData();
+    m_length  = other.length();
+    m_start_ts = other.timeStamp();
+}
+
+SongInfo::~SongInfo()
+{}
+
+void SongInfo::operator=(const SongInfo &info)
+{
+    m_metadata = info.metaData();
+    m_length = info.length();
+    m_start_ts = info.timeStamp();
+}
+
+bool SongInfo::operator==(const SongInfo &info)
+{
+    return (m_metadata == info.metaData()) && (m_length == info.length()) && (m_start_ts == info.timeStamp());
+}
+
+bool SongInfo::operator!=(const SongInfo &info)
+{
+    return !operator==(info);
+}
+
+void SongInfo::setMetaData(const QMap <Qmmp::MetaData, QString> metadata)
+{
+    m_metadata = metadata;
+}
+
+void SongInfo::setMetaData(Qmmp::MetaData key, const QString &value)
+{
+    m_metadata.insert(key, value);
+}
+
+void SongInfo::setLength(qint64 l)
+{
+    m_length = l;
+}
+
+const QMap <Qmmp::MetaData, QString> SongInfo::metaData() const
+{
+    return m_metadata;
+}
+
+const QString SongInfo::metaData(Qmmp::MetaData key) const
+{
+    return m_metadata.value(key);
+}
+
+qint64 SongInfo::length () const
+{
+    return m_length;
+}
+
+void SongInfo::clear()
+{
+    m_metadata.clear();
+    m_length = 0;
+}
+
+void SongInfo::setTimeStamp(uint ts)
+{
+    m_start_ts = ts;
+}
+
+uint SongInfo::timeStamp() const
+{
+    return m_start_ts;
+}
+
+ScrobblerCache::ScrobblerCache(const QString &filePath)
+{
+    m_filePath = filePath;
+}
+
+QList<SongInfo> ScrobblerCache::load()
+{
+    QList<SongInfo> songs;
+    int s = 0;
+    QString line, param, value;
+    QFile file(m_filePath);
+
+    if(!file.open(QIODevice::ReadOnly))
+        return QList<SongInfo>();
+
+    while (!file.atEnd())
+    {
+        line = QString::fromUtf8(file.readLine()).trimmed();
+        if ((s = line.indexOf("=")) < 0)
+            continue;
+
+        param = line.left(s);
+        value = line.right(line.size() - s - 1);
+
+        if (param == "title")
+        {
+            songs << SongInfo();
+            songs.last().setMetaData(Qmmp::TITLE, value);
+        }
+        else if (songs.isEmpty())
+            continue;
+        else if (param == "artist")
+            songs.last().setMetaData(Qmmp::ARTIST, value);
+        else if (param == "album")
+            songs.last().setMetaData(Qmmp::ALBUM, value);
+        else if (param == "comment")
+            songs.last().setMetaData(Qmmp::COMMENT, value);
+        else if (param == "genre")
+            songs.last().setMetaData(Qmmp::GENRE, value);
+        else if (param == "year")
+            songs.last().setMetaData(Qmmp::YEAR, value);
+        else if (param == "track")
+            songs.last().setMetaData(Qmmp::TRACK, value);
+        else if (param == "length")
+            songs.last().setLength(value.toInt());
+        else if (param == "time")
+            songs.last().setTimeStamp(value.toUInt());
+    }
+    file.close();
+    return songs;
+}
+
+void ScrobblerCache::save(const QList<SongInfo> &songs)
+{
+    QFile file(m_filePath);
+    if (songs.isEmpty())
+    {
+        file.remove();
+        return;
+    }
+    if(!file.open(QIODevice::WriteOnly))
+    {
+        qWarning("ScrobblerCach: unable to save file %s", qPrintable(m_filePath));
+        qWarning("ScrobblerCach: error %d: %s", file.error(), qPrintable(file.errorString()));
+        return;
+    }
+    foreach(SongInfo m, songs)
+    {
+        file.write(QString("title=%1").arg(m.metaData(Qmmp::TITLE)).toUtf8() +"\n");
+        file.write(QString("artist=%1").arg(m.metaData(Qmmp::ARTIST)).toUtf8() +"\n");
+        file.write(QString("album=%1").arg(m.metaData(Qmmp::ALBUM)).toUtf8() +"\n");
+        file.write(QString("comment=%1").arg(m.metaData(Qmmp::COMMENT)).toUtf8() +"\n");
+        file.write(QString("genre=%1").arg(m.metaData(Qmmp::GENRE)).toUtf8() +"\n");
+        file.write(QString("year=%1").arg(m.metaData(Qmmp::YEAR)).toUtf8() +"\n");
+        file.write(QString("track=%1").arg(m.metaData(Qmmp::TRACK)).toUtf8() +"\n");
+        file.write(QString("length=%1").arg(m.length()).toUtf8() +"\n");
+        file.write(QString("time=%1").arg(m.timeStamp()).toUtf8() +"\n");
+    }
+    file.close();
+}