supercell-wx/scwx-qt/source/scwx/qt/config/radar_site.cpp
2024-09-21 12:44:24 -04:00

326 lines
8 KiB
C++

#include <scwx/qt/config/radar_site.hpp>
#include <scwx/qt/util/geographic_lib.hpp>
#include <scwx/qt/util/json.hpp>
#include <scwx/common/sites.hpp>
#include <scwx/util/logger.hpp>
#include <chrono>
#include <shared_mutex>
#include <unordered_map>
#include <boost/json.hpp>
#if !(defined(_MSC_VER) || defined(__clang__))
# include <date/date.h>
#endif
namespace scwx
{
namespace qt
{
namespace config
{
static const std::string logPrefix_ = "scwx::qt::config::radar_site";
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
static const std::string defaultRadarSiteFile_ =
":/res/config/radar_sites.json";
static const std::unordered_map<std::string, std::string> typeNameMap_ {
{"wsr88d", "WSR-88D"}, {"tdwr", "TDWR"}, {"?", "?"}};
static std::unordered_map<std::string, std::shared_ptr<RadarSite>>
radarSiteMap_;
static std::unordered_map<std::string, std::string> siteIdMap_;
static std::shared_mutex siteMutex_;
static bool ValidateJsonEntry(const boost::json::object& o);
class RadarSiteImpl
{
public:
explicit RadarSiteImpl() {}
~RadarSiteImpl() {}
std::string type_ {};
std::string id_ {};
double latitude_ {0.0};
double longitude_ {0.0};
std::string country_ {};
std::string state_ {};
std::string place_ {};
std::string tzName_ {};
const scwx::util::time_zone* timeZone_ {nullptr};
};
RadarSite::RadarSite() : p(std::make_unique<RadarSiteImpl>()) {}
RadarSite::~RadarSite() = default;
RadarSite::RadarSite(RadarSite&&) noexcept = default;
RadarSite& RadarSite::operator=(RadarSite&&) noexcept = default;
std::string RadarSite::type() const
{
return p->type_;
}
std::string RadarSite::type_name() const
{
auto it = typeNameMap_.find(p->type_);
if (it != typeNameMap_.cend())
{
return it->second;
}
else
{
return typeNameMap_.at("?");
}
}
std::string RadarSite::id() const
{
return p->id_;
}
double RadarSite::latitude() const
{
return p->latitude_;
}
double RadarSite::longitude() const
{
return p->longitude_;
}
std::string RadarSite::country() const
{
return p->country_;
}
std::string RadarSite::state() const
{
return p->state_;
}
std::string RadarSite::place() const
{
return p->place_;
}
std::string RadarSite::location_name() const
{
std::string locationName;
if (p->country_ == "USA")
{
locationName = fmt::format("{}, {}", p->place_, p->state_);
}
else if (std::all_of(p->state_.cbegin(),
p->state_.cend(),
[](char c) { return std::isdigit(c); }))
{
locationName = fmt::format("{}, {}", p->place_, p->country_);
}
else
{
locationName =
fmt::format("{}, {}, {}", p->place_, p->state_, p->country_);
}
return locationName;
}
std::string RadarSite::tz_name() const
{
return p->tzName_;
}
const scwx::util::time_zone* RadarSite::time_zone() const
{
return p->timeZone_;
}
std::shared_ptr<RadarSite> RadarSite::Get(const std::string& id)
{
std::shared_lock lock(siteMutex_);
std::shared_ptr<RadarSite> radarSite = nullptr;
if (radarSiteMap_.contains(id))
{
radarSite = radarSiteMap_.at(id);
}
return radarSite;
}
std::vector<std::shared_ptr<RadarSite>> RadarSite::GetAll()
{
std::shared_lock lock(siteMutex_);
std::vector<std::shared_ptr<RadarSite>> radarSites;
radarSites.reserve(radarSiteMap_.size());
for (const auto& site : radarSiteMap_)
{
radarSites.push_back(site.second);
}
return radarSites;
}
std::shared_ptr<RadarSite> RadarSite::FindNearest(
double latitude, double longitude, std::optional<std::string> type)
{
std::shared_lock lock(siteMutex_);
double distanceInMeters;
std::shared_ptr<RadarSite> nearestRadarSite = nullptr;
double nearestDistance = 0.0;
for (const auto& site : radarSiteMap_)
{
auto& radarSite = site.second;
// If the type filter doesn't match, skip
if (type.has_value() && radarSite->type() != type)
{
continue;
}
// Calculate distance to radar site
util::GeographicLib::DefaultGeodesic().Inverse(latitude,
longitude,
radarSite->latitude(),
radarSite->longitude(),
distanceInMeters);
// If the radar site is the closer, record it as the closest
if (nearestRadarSite == nullptr || distanceInMeters < nearestDistance)
{
nearestRadarSite = radarSite;
nearestDistance = distanceInMeters;
}
}
return nearestRadarSite;
}
std::string GetRadarIdFromSiteId(const std::string& siteId)
{
std::shared_lock lock(siteMutex_);
std::string id = "???";
if (siteIdMap_.contains(siteId))
{
id = siteIdMap_.at(siteId);
}
return id;
}
void RadarSite::Initialize()
{
static bool initialized_ = false;
if (!initialized_)
{
ReadConfig(defaultRadarSiteFile_);
initialized_ = true;
}
}
size_t RadarSite::ReadConfig(const std::string& path)
{
logger_->info("Loading radar sites from \"{}\"...", path);
bool dataValid = true;
size_t sitesAdded = 0;
boost::json::value j = util::json::ReadJsonFile(path);
dataValid = j.is_array();
if (dataValid)
{
std::unique_lock lock(siteMutex_);
for (auto& v : j.as_array())
{
auto& o = v.as_object();
if (!ValidateJsonEntry(o))
{
logger_->info("Incorrect format: {}", boost::json::serialize(v));
}
else
{
std::shared_ptr<RadarSite> site = std::make_shared<RadarSite>();
site->p->type_ = boost::json::value_to<std::string>(o.at("type"));
site->p->id_ = boost::json::value_to<std::string>(o.at("id"));
site->p->latitude_ = boost::json::value_to<double>(o.at("lat"));
site->p->longitude_ = boost::json::value_to<double>(o.at("lon"));
site->p->country_ =
boost::json::value_to<std::string>(o.at("country"));
site->p->state_ = boost::json::value_to<std::string>(o.at("state"));
site->p->place_ = boost::json::value_to<std::string>(o.at("place"));
site->p->tzName_ = boost::json::value_to<std::string>(o.at("tz"));
try
{
#if (defined(_MSC_VER) || defined(__clang__))
using namespace std::chrono;
#else
using namespace date;
#endif
site->p->timeZone_ = get_tzdb().locate_zone(site->p->tzName_);
}
catch (const std::runtime_error&)
{
logger_->warn(
"{} unknown time zone: {}", site->p->id_, site->p->tzName_);
}
if (!radarSiteMap_.contains(site->p->id_))
{
radarSiteMap_[site->p->id_] = site;
++sitesAdded;
}
std::string siteId = common::GetSiteId(site->p->id_);
if (!siteIdMap_.contains(siteId))
{
siteIdMap_[siteId] = site->p->id_;
}
else
{
logger_->warn("Site ID conflict: {} and {}",
siteIdMap_.at(siteId),
site->p->id_);
}
}
}
}
return sitesAdded;
}
static bool ValidateJsonEntry(const boost::json::object& o)
{
return (o.contains("type") && o.at("type").is_string() && //
o.contains("id") && o.at("id").is_string() && //
o.contains("lat") && o.at("lat").is_double() && //
o.contains("lon") && o.at("lon").is_double() && //
o.contains("country") && o.at("country").is_string() && //
o.contains("state") && o.at("state").is_string() && //
o.contains("place") && o.at("place").is_string());
}
} // namespace config
} // namespace qt
} // namespace scwx