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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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#include "activitydatabase_p.h"
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#include <QSqlDatabase>
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#include <QSqlQuery>
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#include <QSqlError>
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#include <QStringList>
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#include <QSettings>
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#include <hsactivitydbclient.h>
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const char KConnectionName[] = "ActivityDatabase";
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ActivityDatabasePrivate::ActivityDatabasePrivate()
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{
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// determine database localization
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QSettings settings("nokia", "activities");
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if (!settings.contains("activitydatabase")) {
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settings.setValue("activitydatabase", "C:\\activitydatabase.db");
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}
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QString databaseFile = settings.value("activitydatabase").toString();
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QSqlDatabase database;
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if (QSqlDatabase::contains(KConnectionName)) {
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database = QSqlDatabase::database(KConnectionName);
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} else {
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database = QSqlDatabase::addDatabase("QSQLITE", KConnectionName);
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database.setDatabaseName(databaseFile);
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if (!database.open()) {
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qFatal(qPrintable(database.lastError().text()));
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}
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}
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if (!checkTables()) {
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recreateTables();
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}
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}
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ActivityDatabasePrivate::~ActivityDatabasePrivate()
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{
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QSqlDatabase::database(KConnectionName).close();
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}
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void ActivityDatabasePrivate::saveActivity(const QString &applicationName, const QString &activityName, const QVariantHash &activityMetadata)
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{
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if (applicationName.isEmpty() || activityName.isEmpty() || activityMetadata.value("screenshot").isNull()) {
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qWarning("Activity entry is invalid, aborting save");
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return;
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}
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QVariantHash activityData(activityMetadata);
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activityData.insert(ActivityApplicationKeyword, applicationName);
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activityData.insert(ActivityActivityKeyword, activityName);
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// stream whole entry to bytearray
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QByteArray streamedData;
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{
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QDataStream stream(&streamedData, QIODevice::WriteOnly);
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stream << activityData;
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}
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QSqlDatabase database = QSqlDatabase::database(KConnectionName);
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if (!database.transaction()) {
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qFatal(qPrintable(database.lastError().text()));
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}
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// update or insert data
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{
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QSqlQuery query(database);
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if (!query.exec(QString("SELECT ApplicationName FROM Activities WHERE ApplicationName = '%1' AND ActivityName = '%2'").arg(applicationName).arg(activityName))) {
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qFatal(qPrintable(query.lastError().text()));
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}
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if (query.next()) {
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if (!query.prepare("UPDATE Activities SET Data = :Data WHERE ApplicationName = :ApplicationName AND ActivityName = :ActivityName")) {
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qFatal(qPrintable(query.lastError().text()));
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}
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query.bindValue(":Data", streamedData);
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query.bindValue(":ApplicationName", applicationName);
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query.bindValue(":ActivityName", activityName);
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if (!query.exec()) {
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qFatal(qPrintable(query.lastError().text()));
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}
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} else {
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if (!query.prepare("INSERT INTO Activities(ApplicationName, ActivityName, Data) VALUES(:ApplicationName, :ActivityName, :Data)")) {
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qFatal(qPrintable(query.lastError().text()));
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}
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query.bindValue(":ApplicationName", applicationName);
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query.bindValue(":ActivityName", activityName);
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query.bindValue(":Data", streamedData);
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if (!query.exec()) {
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qFatal(qPrintable(query.lastError().text()));
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}
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}
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}
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if (!database.commit()) {
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qFatal(qPrintable(database.lastError().text()));
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}
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}
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void ActivityDatabasePrivate::deleteActivity(const QString &applicationName, const QString &activityName)
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{
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QString sqlCommand = QString("DELETE FROM Activities WHERE ApplicationName = '%1' AND ActivityName = '%2'").arg(applicationName).arg(activityName);
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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if (!query.exec(sqlCommand)) {
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qFatal(qPrintable(query.lastError().text()));
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}
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}
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void ActivityDatabasePrivate::deleteApplicationActivities(const QString &applicationName)
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{
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QString sqlCommand = QString("DELETE FROM Activities WHERE ApplicationName = '%1'").arg(applicationName);
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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if (!query.exec(sqlCommand)) {
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qFatal(qPrintable(query.lastError().text()));
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}
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}
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QList<QVariantHash> ActivityDatabasePrivate::allActivitiesList()
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{
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return activitiesList("SELECT Data FROM Activities");
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}
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QList<QVariantHash> ActivityDatabasePrivate::applicationActivitiesList(const QString &applicationName)
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{
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return activitiesList(QString("SELECT Data FROM Activities WHERE ApplicationName = '%1'").arg(applicationName));
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}
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QList<QVariantHash> ActivityDatabasePrivate::activitiesList(const QString &sqlCommand)
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{
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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if (!query.exec(sqlCommand)) {
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qFatal(qPrintable(query.lastError().text()));
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}
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QList<QVariantHash> result;
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while (query.next()) {
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QVariantHash activityEntry;
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{
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QByteArray data(query.value(0).toByteArray());
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QDataStream stream(&data, QIODevice::ReadOnly);
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stream >> activityEntry;
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}
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result.append(activityEntry);
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}
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return result;
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}
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QString ActivityDatabasePrivate::requestedActivityName(const QString &applicationName)
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{
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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if (!query.exec(QString("SELECT ActivityName FROM Activities WHERE ApplicationName = '%1' AND RequestFlag").arg(applicationName))) {
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qFatal(qPrintable(query.lastError().text()));
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}
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QString result;
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if (query.next()) {
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result = query.value(0).toString();
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}
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return result;
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}
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void ActivityDatabasePrivate::setActivityRequestFlag(const QString &applicationName, const QString &activityName)
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{
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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// clear old requests for given application
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if (!query.exec(QString("UPDATE Activities SET RequestFlag=0 WHERE ApplicationName = '%1'").arg(applicationName))) {
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qFatal(qPrintable(query.lastError().text()));
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}
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// set new request
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if (!query.exec(QString("UPDATE Activities SET RequestFlag=1 WHERE ApplicationName = '%1' AND ActivityName = '%2'").arg(applicationName).arg(activityName))) {
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qFatal(qPrintable(query.lastError().text()));
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}
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}
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void ActivityDatabasePrivate::clearActivityRequestFlag(const QString &applicationName, const QString &activityName)
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{
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QSqlQuery query(QSqlDatabase::database(KConnectionName));
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// just clear the given request
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if (!query.exec(QString("UPDATE Activities SET RequestFlag=0 WHERE ApplicationName = '%1' AND ActivityName = '%2'").arg(applicationName).arg(activityName))) {
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qFatal(qPrintable(query.lastError().text()));
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}
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}
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bool ActivityDatabasePrivate::checkTables()
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{
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QStringList expectedTables("Activities");
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QStringList actualTables = QSqlDatabase::database(KConnectionName).tables();
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return (expectedTables == actualTables);
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}
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void ActivityDatabasePrivate::recreateTables()
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{
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QSqlDatabase database = QSqlDatabase::database(KConnectionName);
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if (!database.transaction()) {
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qFatal(qPrintable(database.lastError().text()));
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}
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// drop any existing tables
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{
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QSqlQuery dropQuery(database);
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foreach(const QString &tableName, database.tables()) {
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if (!dropQuery.exec(QString("DROP TABLE %1").arg(tableName))) {
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qFatal(qPrintable(dropQuery.lastError().text()));
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}
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}
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}
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// create new table
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{
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QSqlQuery createQuery(database);
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QString statement(
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"CREATE TABLE Activities("
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"ApplicationName TEXT NOT NULL,"
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"ActivityName TEXT NOT NULL,"
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"RequestFlag BOOL NOT NULL DEFAULT FALSE,"
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"Data BLOB NOT NULL,"
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"PRIMARY KEY(ActivityName, ApplicationName))");
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if (!createQuery.exec(statement)) {
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qFatal(qPrintable(createQuery.lastError().text()));
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}
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}
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if (!database.commit()) {
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qFatal(qPrintable(database.lastError().text()));
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}
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}
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