Files
vehicle-voyage/src/db/recordanalytics.cpp

58 lines
2.4 KiB
C++

/*
* Copyright (C) 2020 <Kevin Whitakerr> <eyecreate@eyecreate.org>
*
* This program 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.
*
* This program 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 <http://www.gnu.org/licenses/>.
*/
#include "recordanalytics.h"
#include <QtConcurrent/QtConcurrent>
#include <QSqlQuery>
#include <QSqlRecord>
RecordAnalytics::RecordAnalytics(QObject* parent, QSqlDatabase db) : _db(db)
{
}
void RecordAnalytics::checkOilChangeNeededForVehicle(int vehicleId, int milesForChange, int monthsForChange)
{
QtConcurrent::run([&](int vehicleId, int milesForChange, int monthsForChange){
QSqlQuery query = _db.exec("SELECT * FROM records WHERE records.vehicle = "+QString::number(vehicleId));
int milesRecord = query.record().indexOf("miles");
int dateRecord = query.record().indexOf("servicedate");
int typeRecord = query.record().indexOf("servicetype");
QDateTime lastOilDate;
int lastOilMiles = 0;
int lastKnownMiles = 0;
while(query.next()) {
if(query.value(typeRecord).toInt() == 0) {
if(!lastOilDate.isValid() || lastOilDate < QDateTime::fromString(query.value(dateRecord).toString(), Qt::DateFormat::ISODate)) {
lastOilDate = QDateTime::fromString(query.value(dateRecord).toString(), Qt::DateFormat::ISODate);
lastOilMiles = query.value(milesRecord).toInt();
}
}
if(lastKnownMiles < query.value(milesRecord).toInt()) {
lastKnownMiles = query.value(milesRecord).toInt();
}
}
if(lastKnownMiles-lastOilMiles > milesForChange || lastOilMiles == 0 || !lastOilDate.isValid() || lastOilDate.daysTo(QDateTime::currentDateTime()) > 30*monthsForChange) {
emit this->isOilChangeNeeded(true, vehicleId);
} else {
emit this->isOilChangeNeeded(false, vehicleId);
}
},vehicleId, milesForChange, monthsForChange);
}