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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtCore>
#include <QGuiApplication>
#include <QSqlDatabase>
#include <QSqlError>
#include <QtQml>
#include "sqlcontactmodel.h"
#include "sqlconversationmodel.h"
static void connectToDatabase()
{
QSqlDatabase database = QSqlDatabase::database();
if (!database.isValid()) {
database = QSqlDatabase::addDatabase("QSQLITE");
if (!database.isValid())
qFatal("Cannot add database: %s", qPrintable(database.lastError().text()));
}
const QDir writeDir = QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
if (!writeDir.mkpath("."))
qFatal("Failed to create writable directory at %s", qPrintable(writeDir.absolutePath()));
// Ensure that we have a writable location on all devices.
const QString fileName = writeDir.absolutePath() + "/chat-database.sqlite3";
// When using the SQLite driver, open() will create the SQLite database if it doesn't exist.
database.setDatabaseName(fileName);
if (!database.open()) {
qFatal("Cannot open database: %s", qPrintable(database.lastError().text()));
QFile::remove(fileName);
}
}
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
qmlRegisterType<SqlContactModel>("io.qt.examples.chattutorial", 1, 0, "SqlContactModel");
qmlRegisterType<SqlConversationModel>("io.qt.examples.chattutorial", 1, 0, "SqlConversationModel");
connectToDatabase();
QQmlApplicationEngine engine;
engine.load(QUrl(QStringLiteral("qrc:/qt/qml/chapter5/main.qml")));
if (engine.rootObjects().isEmpty())
return -1;
return app.exec();
}
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