supercell-wx/scwx-qt/source/scwx/qt/model/alert_model.cpp
2022-10-27 23:19:08 -05:00

334 lines
10 KiB
C++

#include <scwx/qt/model/alert_model.hpp>
#include <scwx/qt/config/county_database.hpp>
#include <scwx/qt/manager/text_event_manager.hpp>
#include <scwx/qt/types/qt_types.hpp>
#include <scwx/common/geographic.hpp>
#include <scwx/util/logger.hpp>
#include <scwx/util/strings.hpp>
#include <scwx/util/time.hpp>
#include <format>
#include <GeographicLib/Geodesic.hpp>
namespace scwx
{
namespace qt
{
namespace model
{
static const std::string logPrefix_ = "scwx::qt::model::alert_model";
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
static constexpr size_t kColumnEtn = 0u;
static constexpr size_t kColumnOfficeId = 1u;
static constexpr size_t kColumnPhenomenon = 2u;
static constexpr size_t kColumnSignificance = 3u;
static constexpr size_t kColumnState = 4u;
static constexpr size_t kColumnCounties = 5u;
static constexpr size_t kColumnStartTime = 6u;
static constexpr size_t kColumnEndTime = 7u;
static constexpr size_t kColumnDistance = 8u;
static constexpr size_t kFirstColumn = kColumnEtn;
static constexpr size_t kLastColumn = kColumnDistance;
static constexpr size_t kNumColumns = 9u;
class AlertModelImpl
{
public:
explicit AlertModelImpl();
~AlertModelImpl() = default;
static std::string GetCounties(const types::TextEventKey& key);
static std::string GetState(const types::TextEventKey& key);
static std::string GetStartTime(const types::TextEventKey& key);
static std::string GetEndTime(const types::TextEventKey& key);
QList<types::TextEventKey> textEventKeys_;
GeographicLib::Geodesic geodesic_;
std::unordered_map<types::TextEventKey,
common::Coordinate,
types::TextEventHash<types::TextEventKey>>
centroidMap_;
std::unordered_map<types::TextEventKey,
double,
types::TextEventHash<types::TextEventKey>>
distanceMap_;
scwx::common::DistanceType distanceDisplay_;
scwx::common::Coordinate previousPosition_;
};
AlertModel::AlertModel(QObject* parent) :
QAbstractTableModel(parent), p(std::make_unique<AlertModelImpl>())
{
}
AlertModel::~AlertModel() = default;
types::TextEventKey AlertModel::key(const QModelIndex& index) const
{
return index.isValid() ? p->textEventKeys_[index.row()] :
types::TextEventKey {};
}
common::Coordinate AlertModel::centroid(const types::TextEventKey& key) const
{
common::Coordinate centroid {};
const auto& it = p->centroidMap_.find(key);
if (it != p->centroidMap_.cend())
{
centroid = it->second;
}
return centroid;
}
int AlertModel::rowCount(const QModelIndex& parent) const
{
return parent.isValid() ? 0 : p->textEventKeys_.size();
}
int AlertModel::columnCount(const QModelIndex& parent) const
{
return parent.isValid() ? 0 : static_cast<int>(kNumColumns);
}
QVariant AlertModel::data(const QModelIndex& index, int role) const
{
if (index.isValid() && index.row() >= 0 &&
index.row() < p->textEventKeys_.size() &&
(role == Qt::DisplayRole || role == types::SortRole))
{
const auto& textEventKey = p->textEventKeys_.at(index.row());
switch (index.column())
{
case kColumnEtn:
return textEventKey.etn_;
case kColumnOfficeId:
return QString::fromStdString(textEventKey.officeId_);
case kColumnPhenomenon:
return QString::fromStdString(
awips::GetPhenomenonText(textEventKey.phenomenon_));
case kColumnSignificance:
return QString::fromStdString(
awips::GetSignificanceText(textEventKey.significance_));
case kColumnState:
return QString::fromStdString(AlertModelImpl::GetState(textEventKey));
case kColumnCounties:
return QString::fromStdString(
AlertModelImpl::GetCounties(textEventKey));
case kColumnStartTime:
return QString::fromStdString(
AlertModelImpl::GetStartTime(textEventKey));
case kColumnEndTime:
return QString::fromStdString(
AlertModelImpl::GetEndTime(textEventKey));
case kColumnDistance:
if (role == Qt::DisplayRole)
{
if (p->distanceDisplay_ == scwx::common::DistanceType::Miles)
{
return QString("%1 mi").arg(
static_cast<uint32_t>(p->distanceMap_.at(textEventKey) *
scwx::common::kMilesPerMeter));
}
else
{
return QString("%1 km").arg(
static_cast<uint32_t>(p->distanceMap_.at(textEventKey) *
scwx::common::kKilometersPerMeter));
}
}
else
{
return p->distanceMap_.at(textEventKey);
}
default:
break;
}
}
return QVariant();
}
QVariant
AlertModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole)
{
if (orientation == Qt::Horizontal)
{
switch (section)
{
case kColumnEtn:
return tr("ETN");
case kColumnOfficeId:
return tr("Office ID");
case kColumnPhenomenon:
return tr("Phenomenon");
case kColumnSignificance:
return tr("Significance");
case kColumnState:
return tr("State");
case kColumnCounties:
return tr("Counties / Areas");
case kColumnStartTime:
return tr("Start Time");
case kColumnEndTime:
return tr("End Time");
case kColumnDistance:
return tr("Distance");
default:
break;
}
}
}
return QVariant();
}
void AlertModel::HandleAlert(const types::TextEventKey& alertKey,
size_t messageIndex)
{
logger_->trace("Handle alert: {}", alertKey.ToString());
double distanceInMeters;
// Get the most recent segment for the event
auto alertMessages =
manager::TextEventManager::Instance().message_list(alertKey);
std::shared_ptr<const awips::Segment> alertSegment =
alertMessages[messageIndex]->segments().back();
if (alertSegment->codedLocation_.has_value())
{
// Update centroid and distance
common::Coordinate centroid =
common::GetCentroid(alertSegment->codedLocation_->coordinates());
p->geodesic_.Inverse(p->previousPosition_.latitude_,
p->previousPosition_.longitude_,
centroid.latitude_,
centroid.longitude_,
distanceInMeters);
p->centroidMap_.insert_or_assign(alertKey, centroid);
p->distanceMap_.insert_or_assign(alertKey, distanceInMeters);
}
else if (!p->centroidMap_.contains(alertKey))
{
// The alert has no location, so provide a default
p->centroidMap_.insert_or_assign(alertKey, common::Coordinate {0.0, 0.0});
p->distanceMap_.insert_or_assign(alertKey, 0.0);
}
// Update row
if (!p->textEventKeys_.contains(alertKey))
{
beginInsertRows(QModelIndex(), 0, 0);
p->textEventKeys_.push_back(alertKey);
endInsertRows();
}
else
{
const int row = p->textEventKeys_.indexOf(alertKey);
QModelIndex topLeft = createIndex(row, kFirstColumn);
QModelIndex bottomRight = createIndex(row, kLastColumn);
emit dataChanged(topLeft, bottomRight);
}
}
void AlertModel::HandleMapUpdate(double latitude, double longitude)
{
logger_->trace("Handle map update: {}, {}", latitude, longitude);
double distanceInMeters;
for (const auto& textEvent : p->textEventKeys_)
{
auto& centroid = p->centroidMap_.at(textEvent);
if (centroid != common::Coordinate {0.0, 0.0})
{
p->geodesic_.Inverse(latitude,
longitude,
centroid.latitude_,
centroid.longitude_,
distanceInMeters);
p->distanceMap_.insert_or_assign(textEvent, distanceInMeters);
}
}
p->previousPosition_ = {latitude, longitude};
QModelIndex topLeft = createIndex(0, kColumnDistance);
QModelIndex bottomRight = createIndex(rowCount() - 1, kColumnDistance);
emit dataChanged(topLeft, bottomRight);
}
AlertModelImpl::AlertModelImpl() :
textEventKeys_ {},
geodesic_(GeographicLib::Constants::WGS84_a(),
GeographicLib::Constants::WGS84_f()),
distanceMap_ {},
distanceDisplay_ {scwx::common::DistanceType::Miles},
previousPosition_ {}
{
}
std::string AlertModelImpl::GetCounties(const types::TextEventKey& key)
{
auto messageList = manager::TextEventManager::Instance().message_list(key);
auto& lastMessage = messageList.back();
size_t segmentCount = lastMessage->segment_count();
auto lastSegment = lastMessage->segment(segmentCount - 1);
auto fipsIds = lastSegment->header_->ugc_.fips_ids();
std::vector<std::string> counties;
counties.reserve(fipsIds.size());
for (auto& id : fipsIds)
{
counties.push_back(config::CountyDatabase::GetCountyName(id));
}
std::sort(counties.begin(), counties.end());
return util::ToString(counties);
}
std::string AlertModelImpl::GetState(const types::TextEventKey& key)
{
auto messageList = manager::TextEventManager::Instance().message_list(key);
auto& lastMessage = messageList.back();
size_t segmentCount = lastMessage->segment_count();
auto lastSegment = lastMessage->segment(segmentCount - 1);
return util::ToString(lastSegment->header_->ugc_.states());
}
std::string AlertModelImpl::GetStartTime(const types::TextEventKey& key)
{
auto messageList = manager::TextEventManager::Instance().message_list(key);
auto& firstMessage = messageList.front();
auto firstSegment = firstMessage->segment(0);
return util::TimeString(
firstSegment->header_->vtecString_[0].pVtec_.event_begin());
}
std::string AlertModelImpl::GetEndTime(const types::TextEventKey& key)
{
auto messageList = manager::TextEventManager::Instance().message_list(key);
auto& lastMessage = messageList.back();
size_t segmentCount = lastMessage->segment_count();
auto lastSegment = lastMessage->segment(segmentCount - 1);
return util::TimeString(
lastSegment->header_->vtecString_[0].pVtec_.event_end());
}
} // namespace model
} // namespace qt
} // namespace scwx