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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "sqleventdatabase.h"
#include <QDebug>
#include <QFileInfo>
#include <QSqlError>
#include <QSqlQuery>
SqlEventDatabase::SqlEventDatabase()
{
createConnection();
}
QVector<Event> SqlEventDatabase::eventsForDate(const QDate &date)
{
const QString queryStr = QString::fromLatin1("SELECT * FROM Event WHERE '%1' >= startDate AND '%1' <= endDate").arg(date.toString("yyyy-MM-dd"));
QSqlQuery query(queryStr);
if (!query.exec()) {
qWarning() << "SQL query failed";
return {};
}
QVector<Event> events;
while (query.next()) {
Event event;
event.name = query.value("name").toString();
QDateTime startDate;
startDate.setDate(query.value("startDate").toDate());
startDate.setTime(QTime(0, 0).addSecs(query.value("startTime").toInt()));
event.startDate = startDate;
QDateTime endDate;
endDate.setDate(query.value("endDate").toDate());
endDate.setTime(QTime(0, 0).addSecs(query.value("endTime").toInt()));
event.endDate = endDate;
events.append(event);
}
return events;
}
/*
Defines a helper function to open a connection to an
in-memory SQLITE database and to create a table.
*/
void SqlEventDatabase::createConnection()
{
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(":memory:");
if (!db.open()) {
qFatal("Cannot open database");
return;
}
QSqlQuery query;
const QString year = QDate::currentDate().toString("yyyy");
const QString month = QDate::currentDate().toString("MM");
// Keep the example up-to-date by making the events fall in the current year and month.
// We store the time as seconds because it's easier to query.
query.exec("create table Event (name TEXT, startDate DATE, startTime INT, endDate DATE, endTime INT)");
query.exec(QString::fromLatin1("insert into Event values('Grocery shopping', '%1-%2-01', 36000, '%1-%2-01', 39600)").arg(year, month));
query.exec(QString::fromLatin1("insert into Event values('Ice skating', '%1-%2-01', 57600, '%1-%2-01', 61200)").arg(year, month));
query.exec(QString::fromLatin1("insert into Event values('Doctor''s appointment', '%1-%2-15', 57600, '%1-%2-15', 63000)").arg(year, month));
query.exec(QString::fromLatin1("insert into Event values('Conference', '%1-%2-24', 32400, '%1-%2-28', 61200)").arg(year, month));
return;
}
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