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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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// System includes
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#include <QSqlDatabase>
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#include <QFile>
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#include <QDateTime>
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#include <QVariant>
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#include <QStringList>
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#include <QSqlError>
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#include <QSqlQueryModel>
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#include <QSqlRecord>
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// User includes
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#include "radiohistorymodel_p.h"
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#include "radiohistorymodel.h"
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#include "radiohistoryitem.h"
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#include "radiohistoryitem_p.h"
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#include "radiostation.h"
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#include "radiologger.h"
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const char* DATABASE_NAME = "radioplayhistory.db";
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const char* DATABASE_DRIVER = "QSQLITE";
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const char* HISTORY_TABLE = "history";
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const char* SQL_CREATE_TABLE = "CREATE TABLE history ("
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"id INTEGER PRIMARY KEY AUTOINCREMENT, "
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"artist TEXT NOT NULL, "
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"title TEXT NOT NULL, "
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"station TEXT NOT NULL, "
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"frequency INTEGER NOT NULL, "
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"tagged INTEGER NOT NULL DEFAULT 0, "
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"fromRds INTEGER NOT NULL DEFAULT 1, "
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"time TIMESTAMP NOT NULL)";
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const char* SQL_ADD_ITEM = "INSERT INTO history (artist,title,station,frequency,fromRds,time) "
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"VALUES ( ?,?,?,?,?,? )";
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const char* SQL_SELECT_ALL = "SELECT * FROM history ORDER BY id DESC";
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const char* SQL_SELECT_TAGGED = "SELECT * FROM history WHERE tagged=1";// ORDER BY id DESC";
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const char* SQL_DELETE_ALL = "DELETE FROM history";
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//static const char* SQL_FIND_ITEM_BY_ID = "SELECT * FROM history WHERE id = ?";
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const char* SQL_TOGGLE_TAG = "UPDATE history SET tagged = ? WHERE id = ?";
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#ifdef LOGGING_ENABLED
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# define GET_ERR( param ) GETSTRING( param.lastError().text() )
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# define GET_ERR_PTR( param ) GETSTRING( param->lastError().text() )
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#endif // LOGGING_ENABLED
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/*!
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* Static utility function to parse a frequency
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*/
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static QString parseFrequency( const uint frequency )
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{
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QString loc = qtTrId( "txt_rad_dblist_val_l1_mhz" );
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return loc.arg( RadioStation::parseFrequency( frequency ) );
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}
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/*!
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*
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*/
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RadioHistoryModelPrivate::RadioHistoryModelPrivate( RadioHistoryModel* model,
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RadioUiEngine& uiEngine ) :
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q_ptr( model ),
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mUiEngine( uiEngine ),
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mTopItemIsPlaying( false ),
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mShowDetails( true ),
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mViewMode( ShowAll ),
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mRtItemClass( -1 )
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{
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}
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/*!
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*
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*/
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RadioHistoryModelPrivate::~RadioHistoryModelPrivate()
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{
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if ( mDatabase && mDatabase->isOpen() ) {
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mDatabase->close();
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}
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}
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/*!
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*
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*/
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bool RadioHistoryModelPrivate::connectToDatabase()
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{
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LOG_METHOD;
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QSqlDatabase db = QSqlDatabase::addDatabase( DATABASE_DRIVER );
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if ( db.isValid() ) {
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mDatabase.reset( new QSqlDatabase( db ) );
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mDatabase->setDatabaseName( DATABASE_NAME );
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if ( !mDatabase->open() ) {
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LOG_FORMAT( "Failed to open database! error = %s", GET_ERR_PTR( mDatabase ) );
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mDatabase.reset();
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return false;
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}
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// Create the table if it does not exist
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if ( !mDatabase->tables().contains( HISTORY_TABLE ) ) {
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LOG( "RadioHistoryModelPrivate::connectToDatabase: Creating database tables." );
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QSqlQuery query;
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if ( !query.exec( SQL_CREATE_TABLE ) ) {
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LOG_FORMAT( "Database creation failed! error = %s", GET_ERR( query ) );
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mDatabase->close();
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mDatabase.reset();
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return false;
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}
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}
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} else {
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LOG_FORMAT( "Invalid database! error = %s", GET_ERR( db ) );
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return false;
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}
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mQueryModel.reset( new QSqlQueryModel() );
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setViewMode( ShowAll );
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return mQueryModel->lastError().type() == QSqlError::NoError;
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::addItem( const QString& artist,
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const QString& title,
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const RadioStation& station,
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bool fromRds )
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{
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LOG_FORMAT( "RadioHistoryModelPrivate::addItem. Artist: %s, Title: %s", GETSTRING( artist ), GETSTRING( title ) );
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if ( !mQueryModel ) {
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return;
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}
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mTopItemIsPlaying = true;
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QSqlQuery query = beginTransaction();
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query.prepare( SQL_ADD_ITEM );
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query.addBindValue( artist );
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query.addBindValue( title );
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query.addBindValue( station.name() );
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query.addBindValue( static_cast<int>( station.frequency() / 1000 ) );
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query.addBindValue( fromRds );
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query.addBindValue( QDateTime::currentDateTime().toTime_t() );
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commitTransaction( query, InsertRows, 0 );
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}
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/*!
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*
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*/
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int RadioHistoryModelPrivate::rowCount() const
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{
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if ( !mQueryModel ) {
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return 0;
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}
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return mQueryModel->rowCount();
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}
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/*!
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*
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*/
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QVariant RadioHistoryModelPrivate::data( const int row, const int role ) const
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{
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if ( mQueryModel->lastError().type() == QSqlError::NoError ) {
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QSqlRecord record = mQueryModel->record( row );
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if ( role == Qt::DisplayRole ) {
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const QString artist = record.value( RadioHistoryValue::Artist ).toString();
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const QString title = record.value( RadioHistoryValue::Title ).toString();
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const QString station = record.value( RadioHistoryValue::Station ).toString();
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const uint frequency = record.value( RadioHistoryValue::Frequency ).toUInt() * 1000;
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QStringList list;
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if ( mShowDetails ) {
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list.append( qtTrId( "txt_rad_dblist_1_2" ).arg( artist ).arg( title ) );
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QDateTime dateTime = record.value( RadioHistoryValue::Time ).toDateTime();
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const QString time = dateTime.toLocalTime().toString();
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QString name = !station.isEmpty() ? station : parseFrequency( frequency );
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list.append( qtTrId( "txt_rad_dblist_1_2" ).arg( time ).arg( name ) );
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} else {
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list.append( artist );
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list.append( title );
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}
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return list;
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} else if ( role == Qt::DecorationRole ) {
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QVariantList list;
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const bool tagged = record.value( RadioHistoryValue::Tagged ).toBool();
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if ( tagged ) {
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list.append( mTaggedIcon );
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} else {
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list.append( mNonTaggedIcon );
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}
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return list;
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}
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}
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return QVariant();
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::removeAll()
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{
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if ( !mQueryModel ) {
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return;
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}
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QSqlQuery query = beginTransaction();
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query.prepare( SQL_DELETE_ALL );
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// Commented out because rowsRemoved() seems to crash HbListView
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// commitTransaction( query, RemoveRows, 0, rowCount() - 1 );
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commitTransaction( query, NoOp, 0 );
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q_ptr->reset();
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::setViewMode( ViewMode mode )
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{
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if ( !mQueryModel ) {
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return;
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}
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mViewMode = mode;
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mQueryModel->setQuery( mode == ShowTagged ? SQL_SELECT_TAGGED : SQL_SELECT_ALL, *mDatabase );
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q_ptr->reset();
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::toggleTagging( const RadioHistoryItem& item, const int row )
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{
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QSqlQuery updateQuery = beginTransaction();
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updateQuery.prepare( SQL_TOGGLE_TAG );
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updateQuery.addBindValue( item.isTagged() ? 0 : 1 );
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updateQuery.addBindValue( item.id() );
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commitTransaction( updateQuery, ChangeData, row );
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}
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/*!
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*
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*/
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RadioHistoryItem RadioHistoryModelPrivate::itemAtIndex( const QModelIndex& index ) const
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{
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LOG_METHOD;
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RadioHistoryItem item;
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QSqlRecord record = mQueryModel->record( index.row() );
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item.data_ptr()->initFromRecord( record );
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return item;
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::refreshModel()
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{
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setViewMode( mViewMode );
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}
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/*!
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*
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*/
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QSqlQuery RadioHistoryModelPrivate::beginTransaction()
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{
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LOG_METHOD;
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QSqlQuery newQuery( *mDatabase );
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mDatabase->transaction();
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return newQuery;
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}
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/*!
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*
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*/
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void RadioHistoryModelPrivate::commitTransaction( QSqlQuery& query, Operation operation, int start, int end )
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{
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LOG_METHOD;
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if ( end == -1 ) {
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end = start;
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}
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bool success = false;
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Q_UNUSED( success );
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if ( query.exec() ) {
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if ( operation == InsertRows ) {
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q_ptr->beginInsertRows( QModelIndex(), start, end );
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} else if ( operation == RemoveRows ) {
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q_ptr->beginRemoveRows( QModelIndex(), start, end );
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}
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success = mDatabase->commit();
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LOG_ASSERT( success, LOG_FORMAT( "Commit failed! err: %s", GET_ERR_PTR( mDatabase ) ) );
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refreshModel();
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if ( operation == InsertRows ) {
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q_ptr->endInsertRows();
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q_ptr->emitItemAdded();
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} else if ( operation == RemoveRows ) {
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q_ptr->endRemoveRows();
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} else if ( operation == ChangeData ) {
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q_ptr->reportChangedData( start );
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}
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} else {
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LOG_FORMAT( "RadioHistoryModelPrivate::commitTransaction FAILED, rolling back: error = %s", GET_ERR( query ) );
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success = mDatabase->rollback();
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LOG_ASSERT( success, LOG_FORMAT( "Rollback failed! err: %s", GET_ERR_PTR( mDatabase ) ) );
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}
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}
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