added history plugin

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@8360 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 163 insertions, 0 deletions

diff --git a/src/plugins/General/history/history.cpp b/src/plugins/General/history/history.cpp
new file mode 100644
index 000000000..25b4bf8fe
--- /dev/null
+++ b/src/plugins/General/history/history.cpp
@@ -0,0 +1,163 @@
+/***************************************************************************
+ *   Copyright (C) 2017-2018 by Ilya Kotov                                 *
+ *   forkotov02@ya.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 <QSqlDatabase>
+#include <QSqlQuery>
+#include <QSqlError>
+#include <QVariant>
+#include <QAction>
+#include <QApplication>
+#include <qmmpui/uihelper.h>
+#include <qmmp/soundcore.h>
+#include "historywindow.h"
+#include "history.h"
+
+History::History(QObject *parent) : QObject(parent)
+{
+    m_core = SoundCore::instance();
+    m_previousState = Qmmp::Stopped;
+    m_elapsed = 0;
+    connect(m_core, SIGNAL(trackInfoChanged()), SLOT(onTrackInfoChanged()));
+    connect(m_core, SIGNAL(stateChanged(Qmmp::State)), SLOT(onStateChanged(Qmmp::State)));
+
+    QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE", CONNECTION_NAME);
+    if(db.isValid() && !db.isOpen())
+    {
+        db.setDatabaseName(Qmmp::configDir() + "/" + "history.sqlite");
+        db.open();
+        if(createTables())
+        {
+            QSqlQuery query(db);
+            query.exec("PRAGMA journal_mode = WAL");
+            query.exec("PRAGMA synchronous = NORMAL");
+            qDebug("History: database initialization finished");
+        }
+        else
+        {
+            db.close();
+            qWarning("History: plugin is disabled");
+        }
+    }
+
+    QAction *action = new QAction(tr("History"), this);
+    action->setIcon(QIcon::fromTheme("text-x-generic"));
+    UiHelper::instance()->addAction(action, UiHelper::TOOLS_MENU);
+    connect(action, SIGNAL(triggered()), SLOT(showHistoryWindow()));
+}
+
+History::~History()
+{
+    if(QSqlDatabase::contains(CONNECTION_NAME))
+    {
+        QSqlDatabase::database(CONNECTION_NAME).close();
+        QSqlDatabase::removeDatabase(CONNECTION_NAME);
+    }
+}
+
+void History::onTrackInfoChanged()
+{
+    if(m_elapsed + m_time.elapsed() > 20000)
+        saveTrack();
+
+    m_trackInfo = m_core->trackInfo();
+    m_time.restart();
+    m_elapsed = 0;
+}
+
+void History::onStateChanged(Qmmp::State state)
+{
+    if(state == Qmmp::Playing && m_previousState == Qmmp::Stopped)
+    {
+        m_time.restart();
+    }
+    else if(state == Qmmp::Paused)
+    {
+        m_elapsed += m_time.elapsed();
+    }
+    else if(state == Qmmp::Stopped)
+    {
+        if(m_previousState == Qmmp::Playing)
+            m_elapsed += m_time.elapsed();
+
+        if(m_elapsed > 20000)
+            saveTrack();
+        m_elapsed = 0;
+    }
+
+    m_previousState = state;
+}
+
+void History::showHistoryWindow()
+{
+    if(!m_historyWindow)
+        m_historyWindow = new HistoryWindow(QSqlDatabase::database(CONNECTION_NAME), qApp->activeWindow());
+    m_historyWindow->show();
+    m_historyWindow->activateWindow();
+}
+
+bool History::createTables()
+{
+    QSqlDatabase db = QSqlDatabase::database(CONNECTION_NAME);
+    if(!db.isOpen())
+        return false;
+
+    QSqlQuery query(db);
+    bool ok = query.exec("CREATE TABLE IF NOT EXISTS track_history(ID INTEGER PRIMARY KEY AUTOINCREMENT,"
+                         "Timestamp TIMESTAMP NOT NULL,"
+                         "Title TEXT, Artist TEXT, AlbumArtist TEXT, Album TEXT, Comment TEXT, Genre TEXT, Composer TEXT,"
+                         "Year INTEGER, Track INTEGER, DiscNumer INTEGER, Duration INTEGER, URL BLOB)");
+
+    if(!ok)
+        qWarning("History: unable to create table, error: %s", qPrintable(query.lastError().text()));
+
+    return ok;
+}
+
+void History::saveTrack()
+{
+    QSqlDatabase db = QSqlDatabase::database(CONNECTION_NAME);
+    if(!db.isOpen() || m_trackInfo.isEmpty())
+        return;
+
+    QSqlQuery query(db);
+    query.prepare("INSERT INTO track_history VALUES(NULL, CURRENT_TIMESTAMP, :title, :artist, :albumartist, :album, :comment,"
+                  ":genre, :composer, :year, :track, :discnumber, :duration, :url);");
+    query.bindValue(":title", m_trackInfo.value(Qmmp::TITLE));
+    query.bindValue(":artist", m_trackInfo.value(Qmmp::ARTIST));
+    query.bindValue(":albumartist", m_trackInfo.value(Qmmp::ALBUMARTIST));
+    query.bindValue(":album", m_trackInfo.value(Qmmp::ALBUM));
+    query.bindValue(":comment", m_trackInfo.value(Qmmp::COMMENT));
+    query.bindValue(":genre", m_trackInfo.value(Qmmp::GENRE));
+    query.bindValue(":composer", m_trackInfo.value(Qmmp::COMPOSER));
+    query.bindValue(":year", m_trackInfo.value(Qmmp::YEAR));
+    query.bindValue(":track", m_trackInfo.value(Qmmp::TRACK));
+    query.bindValue(":discnumber", m_trackInfo.value(Qmmp::DISCNUMBER));
+    query.bindValue(":duration", m_trackInfo.duration());
+    query.bindValue(":url", m_trackInfo.path());
+    bool ok = query.exec();
+
+    if(!ok)
+        qWarning("History: unable to save track, error: %s", qPrintable(query.lastError().text()));
+    else
+        qDebug("History: track '%s' has been added to history",
+               qPrintable(m_trackInfo.value(Qmmp::ARTIST) + " - " + m_trackInfo.value(Qmmp::TITLE)));
+
+    m_trackInfo.clear();
+}