82 lines
2.4 KiB
C++
Executable File
82 lines
2.4 KiB
C++
Executable File
/**
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* Subscribe to MeteoDataManagement and provide the correct weather for the given position
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#include "handler_mdm_data.h"
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#include "initialization.h"
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#include <LtsCoordTrans/lts_coord_trans.h>
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#include "settings.h"
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using namespace EffectShowManagement;
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//=============================================================================
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HandlerMdmData::HandlerMdmData(const std::shared_ptr<DdsHandler> &ddsHandler,
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QObject *parent)
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: QObject(parent)
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, m_ddsHandler(ddsHandler)
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, m_logger(getLogger("HandlerMdmData"))
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{
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}
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//=============================================================================
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bool HandlerMdmData::init()
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{
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DEBUG_LOG(m_logger) << "init() HandlerMdmData";
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auto dtcMdm = m_ddsHandler->dtcMdm();
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connect(dtcMdm.get(), &MeteoDataManagement::Interface::Dtc::meteoDataChanged,
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this, &HandlerMdmData::onMeteoDataChanged);
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// Get current data for all weather data
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{
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auto cb = [this](const MeteoDataManagement::MeteoData & meteoData)
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{
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onMeteoDataChanged(meteoData, DataModification::eAdded);
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};
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if (!dtcMdm->meteoDatas(cb))
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return false;
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}
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return true;
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}
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//=============================================================================
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bool HandlerMdmData::getNearestWeather(const Core::GeoPosition2D &pos,
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MeteoDataManagement::MeteoData &data) const
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{
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const LtsCoordTrans::UtmCoordinate utm(LtsCoordTrans::UtmCoordinate::fromGeographic(pos.lon(), pos.lat()));
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double nearestDistanceSquared = std::numeric_limits<double>::max();
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bool found = false;
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for (const auto &md : qAsConst(m_meteoData))
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{
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if (md.isStaticMeteoData())
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continue;
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const double distanceSquared = LtsCoordTrans::squareDistance(utm, md.pos().lon(), md.pos().lat());
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if (distanceSquared < nearestDistanceSquared)
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{
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found = true;
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data = md;
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nearestDistanceSquared = distanceSquared;
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}
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}
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return found;
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}
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//-----------------------------------------------------------------------------
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void HandlerMdmData::onMeteoDataChanged(const MeteoDataManagement::MeteoData &data, DataModification modType)
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{
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switch (modType)
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{
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case DataModification::eRemoved:
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m_meteoData.remove(data.id());
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break;
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case DataModification::eAdded:
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case DataModification::eModified:
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m_meteoData[data.id()] = data;
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break;
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}
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}
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