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/*
* Copyright (C) 2023 Arseniy Movshev <dodoradio@outlook.com>
* This file is part of sensorlogd, a sensor logger for the AsteroidOS smartwatch OS.
*
* sensorlogd 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 3 of the License, or (at your option) any later version.
* sensorlogd 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, see <https://www.gnu.org/licenses/>.
*/
#include <QDate>
#include <QDateTime>
#include <QDebug>
#include <QString>
#include <QTime>
#include <QTimer>
#include <QtSensors/QStepCounterSensor>
#include <QSettings>
#include <time.h>
#include "../logger.h"
#include "stepCounter.h"
StepCounterPlugin::StepCounterPlugin(QObject* parent, int initInterval, bool daemonFresh)
: QObject(parent)
{
interval = initInterval;
stepcounterSensor = new QStepCounterSensor(this);
stepcounterSensor->start();
qDebug() << "step counter sensor is enabled. interval is (ms) " << interval;
recordIntervalTimer = new QTimer(this);
connect(recordIntervalTimer, SIGNAL(timeout()), this, SLOT(triggerRecording()));
recordIntervalTimer->setSingleShot(true);
recordIntervalTimer->start(interval);
QDateTime currDateTime = QDateTime::currentDateTime();
setupFilePath(sensorPathPrefix);
while (!stepcounterSensor->isActive()) { }
m_settings = new QSettings("asteroid", "sensorlogd");
if (dayFileExists(sensorPathPrefix) && daemonFresh) {
QStringList lastLineData = fileGetPrevRecord(sensorPathPrefix);
lastRecordTime = QDateTime::currentDateTime();
m_stepsOffset = stepcounterSensor->reading()->steps() - lastLineData[1].toInt(); // we reset the step count, ignoring all steps that may have been taken while the daemon isn't running. Devices which count steps independently will need custom code.
} else if (dayFileExists) {
lastRecordTime = QDateTime::currentDateTime();
m_stepsOffset = m_settings->value("StepCounterPrivate/stepsOffset", 0).toInt();
}
m_settings->setValue("StepCounterPrivate/stepsOffset", m_stepsOffset);
}
void StepCounterPlugin::timeUpdate()
{
QDateTime currDateTime = QDateTime::currentDateTime();
uint elapsed = currDateTime.toMSecsSinceEpoch() - lastRecordTime.toMSecsSinceEpoch();
qDebug() << "time until next steps recording" << recordIntervalTimer->remainingTime() << " elapsed = " << elapsed << " lastRecordTime " << lastRecordTime.toMSecsSinceEpoch();
if (elapsed > interval) { // if too much time has passed, reset the timer and record
triggerRecording();
} else { // otherwise, restart the timer and compensate for time spent in suspend
recordIntervalTimer->start(interval - elapsed);
}
}
void StepCounterPlugin::triggerRecording()
{
qDebug() << "stepcounter interval recording";
int rawSteps = stepcounterSensor->reading()->steps();
if (lastRecordTime.date() != QDate::currentDate()) { // ok, so the date has changed.
if (dayFileExists(sensorPathPrefix)) { // this likely means we have just had a system time change
QStringList lastLineData = fileGetPrevRecord(sensorPathPrefix);
m_stepsOffset = rawSteps - lastLineData[1].toInt(); // we scrap the current steps value, recover the last reading from today's file and count from there
// The reset is necessary because asteroid doesn't have robust time when it boots up, it takes a while for that to happen. So, instead of dealing with that, we just reset the counter every time there's a date change
} else if (lastRecordTime.date() == QDate::currentDate().addDays(-1)) { // this means that a midnight just passed
int steps = rawSteps - m_stepsOffset;
fileAddRecord(sensorPathPrefix, QString::number(steps), QDateTime(QDate::currentDate().addDays(-1), QTime(23, 59, 59))); // this writes the current step count to the last second of the previous day
m_stepsOffset = rawSteps; // and then we 'reset' the step counter
}
m_settings->setValue("StepCounterPrivate/stepsOffset", m_stepsOffset);
qDebug() << "date change detected. Step counter value is " << rawSteps << " and offset is " << m_stepsOffset;
} else {
int steps = rawSteps - m_stepsOffset;
qDebug() << QDateTime::currentDateTime().toString("hh:mm:ss") << " : " << steps << stepcounterSensor->isActive();
// we probably ought to do some error checking here
if (steps < fileGetPrevRecord(sensorPathPrefix)[1].toInt()) {
qDebug() << "error: offset value is less than previous value - not recording"; // this is an error condition which is either caused by a bad offset value or by the sensor being slow and returning a bad value
return;
}
fileAddRecord(sensorPathPrefix, QString::number(steps));
}
lastRecordTime = QDateTime::currentDateTime();
}
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