supercell-wx/scwx-qt/source/scwx/qt/model/radar_site_model.cpp

383 lines
10 KiB
C++

#include <scwx/qt/model/radar_site_model.hpp>
#include <scwx/qt/config/radar_site.hpp>
#include <scwx/qt/settings/unit_settings.hpp>
#include <scwx/qt/types/qt_types.hpp>
#include <scwx/qt/types/unit_types.hpp>
#include <scwx/qt/util/geographic_lib.hpp>
#include <scwx/qt/util/json.hpp>
#include <scwx/common/geographic.hpp>
#include <scwx/util/logger.hpp>
#include <filesystem>
#include <boost/json.hpp>
#include <boost/algorithm/string.hpp>
#include <QIcon>
#include <QStandardPaths>
namespace scwx
{
namespace qt
{
namespace model
{
static const std::string logPrefix_ = "scwx::qt::model::radar_site_model";
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
static constexpr int kFirstColumn =
static_cast<int>(RadarSiteModel::Column::SiteId);
static constexpr int kLastColumn =
static_cast<int>(RadarSiteModel::Column::Preset);
static constexpr int kNumColumns = kLastColumn - kFirstColumn + 1;
class RadarSiteModelImpl
{
public:
explicit RadarSiteModelImpl() :
radarSites_ {},
geodesic_(util::GeographicLib::DefaultGeodesic()),
distanceMap_ {},
previousPosition_ {}
{
// Get all loaded radar sites
std::vector<std::shared_ptr<config::RadarSite>> radarSites =
config::RadarSite::GetAll();
// Setup radar site list
for (auto& site : radarSites)
{
distanceMap_[site->id()] = 0.0;
radarSites_.emplace_back(std::move(site));
}
}
~RadarSiteModelImpl() = default;
void InitializePresets();
void ReadPresets();
void WritePresets();
QList<std::shared_ptr<config::RadarSite>> radarSites_;
std::unordered_set<std::string> presets_ {};
std::string presetsPath_ {};
const GeographicLib::Geodesic& geodesic_;
std::unordered_map<std::string, double> distanceMap_;
scwx::common::Coordinate previousPosition_;
QIcon starIcon_ {":/res/icons/font-awesome-6/star-solid.svg"};
bool presetsRead_ {false};
};
RadarSiteModel::RadarSiteModel(QObject* parent) :
QAbstractTableModel(parent), p(std::make_unique<RadarSiteModelImpl>())
{
p->InitializePresets();
p->ReadPresets();
}
RadarSiteModel::~RadarSiteModel()
{
// Write presets on shutdown
p->WritePresets();
};
std::unordered_set<std::string> RadarSiteModel::presets() const
{
return p->presets_;
}
void RadarSiteModelImpl::InitializePresets()
{
std::string appDataPath {
QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)
.toStdString()};
if (!std::filesystem::exists(appDataPath))
{
if (!std::filesystem::create_directories(appDataPath))
{
logger_->error("Unable to create application data directory: \"{}\"",
appDataPath);
}
}
presetsPath_ = appDataPath + "/radar-presets.json";
}
void RadarSiteModelImpl::ReadPresets()
{
logger_->info("Reading presets");
boost::json::value presetsJson = nullptr;
// Determine if presets exists
if (std::filesystem::exists(presetsPath_))
{
presetsJson = util::json::ReadJsonFile(presetsPath_);
}
// If presets was successfully read
if (presetsJson != nullptr && presetsJson.is_array())
{
auto& presetsArray = presetsJson.as_array();
for (auto& presetsEntry : presetsArray)
{
if (presetsEntry.is_string())
{
// Get radar site ID from JSON value
std::string preset =
boost::json::value_to<std::string>(presetsEntry);
boost::to_upper(preset);
// Find the preset in the list of radar sites
auto it = std::find_if(
radarSites_.cbegin(),
radarSites_.cend(),
[&preset](const std::shared_ptr<config::RadarSite>& radarSite)
{ return (radarSite->id() == preset); });
// If a match, add to the presets
if (it != radarSites_.cend())
{
presets_.insert(preset);
}
}
}
}
presetsRead_ = true;
}
void RadarSiteModelImpl::WritePresets()
{
if (!presetsRead_)
{
return;
}
logger_->info("Saving presets");
auto presetsJson = boost::json::value_from(presets_);
util::json::WriteJsonFile(presetsPath_, presetsJson);
}
int RadarSiteModel::rowCount(const QModelIndex& parent) const
{
return parent.isValid() ? 0 : p->radarSites_.size();
}
int RadarSiteModel::columnCount(const QModelIndex& parent) const
{
return parent.isValid() ? 0 : kNumColumns;
}
QVariant RadarSiteModel::data(const QModelIndex& index, int role) const
{
if (!index.isValid() || index.row() < 0 ||
index.row() >= p->radarSites_.size())
{
return QVariant();
}
const auto& site = p->radarSites_.at(index.row());
if (role == Qt::DisplayRole || role == types::SortRole)
{
switch (index.column())
{
case static_cast<int>(Column::SiteId):
return QString::fromStdString(site->id());
case static_cast<int>(Column::Place):
return QString::fromStdString(site->place());
case static_cast<int>(Column::State):
return QString::fromStdString(site->state());
case static_cast<int>(Column::Country):
return QString::fromStdString(site->country());
case static_cast<int>(Column::Latitude):
if (role == Qt::DisplayRole)
{
return QString::fromStdString(
scwx::common::GetLatitudeString(site->latitude()));
}
else
{
return site->latitude();
}
case static_cast<int>(Column::Longitude):
if (role == Qt::DisplayRole)
{
return QString::fromStdString(
scwx::common::GetLongitudeString(site->longitude()));
}
else
{
return site->longitude();
}
case static_cast<int>(Column::Type):
return QString::fromStdString(site->type_name());
case static_cast<int>(Column::Distance):
if (role == Qt::DisplayRole)
{
const std::string distanceUnitName =
settings::UnitSettings::Instance().distance_units().GetValue();
types::DistanceUnits distanceUnits =
types::GetDistanceUnitsFromName(distanceUnitName);
double distanceScale = types::GetDistanceUnitsScale(distanceUnits);
std::string abbreviation =
types::GetDistanceUnitsAbbreviation(distanceUnits);
return QString("%1 %2")
.arg(static_cast<uint32_t>(p->distanceMap_.at(site->id()) *
scwx::common::kKilometersPerMeter *
distanceScale))
.arg(QString::fromStdString(abbreviation));
}
else
{
return p->distanceMap_.at(site->id());
}
case static_cast<int>(Column::Preset):
if (role == types::SortRole)
{
return QVariant(p->presets_.contains(site->id()));
}
break;
default:
break;
}
}
else if (role == Qt::DecorationRole)
{
switch (index.column())
{
case static_cast<int>(Column::Preset):
if (p->presets_.contains(site->id()))
{
return p->starIcon_;
}
break;
default:
break;
}
}
return QVariant();
}
QVariant RadarSiteModel::headerData(int section,
Qt::Orientation orientation,
int role) const
{
if (role == Qt::DisplayRole)
{
if (orientation == Qt::Horizontal)
{
switch (section)
{
case static_cast<int>(Column::SiteId):
return tr("Site ID");
case static_cast<int>(Column::Place):
return tr("Place");
case static_cast<int>(Column::State):
return tr("State");
case static_cast<int>(Column::Country):
return tr("Country");
case static_cast<int>(Column::Latitude):
return tr("Latitude");
case static_cast<int>(Column::Longitude):
return tr("Longitude");
case static_cast<int>(Column::Type):
return tr("Type");
case static_cast<int>(Column::Distance):
return tr("Distance");
default:
break;
}
}
}
else if (role == Qt::DecorationRole)
{
if (orientation == Qt::Horizontal)
{
switch (section)
{
case static_cast<int>(Column::Preset):
return p->starIcon_;
default:
break;
}
}
}
return QVariant();
}
void RadarSiteModel::HandleMapUpdate(double latitude, double longitude)
{
logger_->trace("Handle map update: {}, {}", latitude, longitude);
double distanceInMeters;
for (const auto& site : p->radarSites_)
{
p->geodesic_.Inverse(latitude,
longitude,
site->latitude(),
site->longitude(),
distanceInMeters);
p->distanceMap_[site->id()] = distanceInMeters;
}
QModelIndex topLeft = createIndex(0, static_cast<int>(Column::Distance));
QModelIndex bottomRight =
createIndex(rowCount() - 1, static_cast<int>(Column::Distance));
Q_EMIT dataChanged(topLeft, bottomRight);
}
void RadarSiteModel::TogglePreset(int row)
{
if (row >= 0 && row < p->radarSites_.size())
{
std::string siteId = p->radarSites_.at(row)->id();
bool isPreset = false;
// Attempt to erase the radar site from presets
if (p->presets_.erase(siteId) == 0)
{
// If the radar site did not exist, add it
p->presets_.insert(siteId);
isPreset = true;
}
QModelIndex index = createIndex(row, static_cast<int>(Column::Preset));
Q_EMIT dataChanged(index, index);
Q_EMIT PresetToggled(siteId, isPreset);
}
}
std::shared_ptr<RadarSiteModel> RadarSiteModel::Instance()
{
static std::weak_ptr<RadarSiteModel> radarSiteModelReference_ {};
static std::mutex instanceMutex_ {};
std::unique_lock lock(instanceMutex_);
std::shared_ptr<RadarSiteModel> radarSiteModel =
radarSiteModelReference_.lock();
if (radarSiteModel == nullptr)
{
radarSiteModel = std::make_shared<RadarSiteModel>();
radarSiteModelReference_ = radarSiteModel;
}
return radarSiteModel;
}
} // namespace model
} // namespace qt
} // namespace scwx