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#include "generator/transit_generator.hpp"
#include "generator/borders_generator.hpp"
#include "generator/borders_loader.hpp"
#include "generator/utils.hpp"
#include "routing/index_router.hpp"
#include "routing/routing_exceptions.hpp"
#include "routing/vehicle_mask.hpp"
#include "storage/country_info_getter.hpp"
#include "storage/routing_helpers.hpp"
#include "transit/transit_types.hpp"
#include "indexer/mwm_set.hpp"
#include "geometry/point2d.hpp"
#include "geometry/rect2d.hpp"
#include "geometry/region2d.hpp"
#include "coding/file_name_utils.hpp"
#include "coding/file_writer.hpp"
#include "platform/platform.hpp"
#include "base/assert.hpp"
#include "base/exception.hpp"
#include "base/logging.hpp"
#include <vector>
#include "defines.hpp"
#include "3party/jansson/src/jansson.h"
using namespace generator;
using namespace platform;
using namespace routing;
using namespace routing::transit;
using namespace std;
using namespace storage;
namespace
{
void LoadBorders(string const & dir, CountryId const & countryId, vector<m2::RegionD> & borders)
{
string const polyFile = base::JoinPath(dir, BORDERS_DIR, countryId + BORDERS_EXTENSION);
borders.clear();
osm::LoadBorders(polyFile, borders);
}
void FillOsmIdToFeatureIdsMap(string const & osmIdToFeatureIdsPath, OsmIdToFeatureIdsMap & mapping)
{
CHECK(ForEachOsmId2FeatureId(osmIdToFeatureIdsPath,
[&mapping](base::GeoObjectId const & osmId, uint32_t featureId) {
mapping[osmId].push_back(featureId);
}),
(osmIdToFeatureIdsPath));
}
string GetMwmPath(string const & mwmDir, CountryId const & countryId)
{
return base::JoinPath(mwmDir, countryId + DATA_FILE_EXTENSION);
}
/// \brief Calculates best pedestrian segment for every gate in |graphData.m_gates|.
/// The result of the calculation is set to |Gate::m_bestPedestrianSegment| of every gate
/// from |graphData.m_gates|.
/// \note All gates in |graphData.m_gates| must have a valid |m_point| field before the call.
void CalculateBestPedestrianSegments(string const & mwmPath, CountryId const & countryId,
GraphData & graphData)
{
// Creating IndexRouter.
SingleMwmDataSource dataSource(mwmPath);
auto infoGetter = storage::CountryInfoReader::CreateCountryInfoReader(GetPlatform());
CHECK(infoGetter, ());
auto const countryFileGetter = [&infoGetter](m2::PointD const & pt) {
return infoGetter->GetRegionCountryId(pt);
};
auto const getMwmRectByName = [&](string const & c) -> m2::RectD {
CHECK_EQUAL(countryId, c, ());
return infoGetter->GetLimitRectForLeaf(c);
};
CHECK_EQUAL(dataSource.GetMwmId().GetInfo()->GetType(), MwmInfo::COUNTRY, ());
auto numMwmIds = make_shared<NumMwmIds>();
numMwmIds->RegisterFile(CountryFile(countryId));
// Note. |indexRouter| is valid while |dataSource| is valid.
IndexRouter indexRouter(VehicleType::Pedestrian, false /* load altitudes */,
CountryParentNameGetterFn(), countryFileGetter, getMwmRectByName,
numMwmIds, MakeNumMwmTree(*numMwmIds, *infoGetter),
traffic::TrafficCache(), dataSource.GetDataSource());
auto worldGraph = indexRouter.MakeSingleMwmWorldGraph();
// Looking for the best segment for every gate.
auto const & gates = graphData.GetGates();
for (size_t i = 0; i < gates.size(); ++i)
{
auto const & gate = gates[i];
if (countryFileGetter(gate.GetPoint()) != countryId)
continue;
// Note. For pedestrian routing all the segments are considered as twoway segments so
// IndexRouter.FindBestSegment() method finds the same segment for |isOutgoing| == true
// and |isOutgoing| == false.
Segment bestSegment;
try
{
if (countryFileGetter(gate.GetPoint()) != countryId)
continue;
if (indexRouter.FindBestSegment(gate.GetPoint(), m2::PointD::Zero() /* direction */,
true /* isOutgoing */, *worldGraph, bestSegment))
{
CHECK_EQUAL(bestSegment.GetMwmId(), 0, ());
graphData.SetGateBestPedestrianSegment(i, SingleMwmSegment(
bestSegment.GetFeatureId(), bestSegment.GetSegmentIdx(), bestSegment.IsForward()));
}
}
catch (MwmIsNotAliveException const & e)
{
LOG(LCRITICAL, ("Point of a gate belongs to the processed mwm:", countryId, ","
"but the mwm is not alive. Gate:", gate, e.what()));
}
catch (RootException const & e)
{
LOG(LCRITICAL, ("Exception while looking for the best segment of a gate. CountryId:",
countryId, ". Gate:", gate, e.what()));
}
}
}
} // namespace
namespace routing
{
namespace transit
{
void DeserializeFromJson(OsmIdToFeatureIdsMap const & mapping,
string const & transitJsonPath, GraphData & data)
{
Platform::EFileType fileType;
Platform::EError const errCode = Platform::GetFileType(transitJsonPath, fileType);
CHECK_EQUAL(errCode, Platform::EError::ERR_OK, ("Transit graph was not found:", transitJsonPath));
CHECK_EQUAL(fileType, Platform::EFileType::FILE_TYPE_REGULAR,
("Transit graph was not found:", transitJsonPath));
string jsonBuffer;
try
{
GetPlatform().GetReader(transitJsonPath)->ReadAsString(jsonBuffer);
}
catch (RootException const & e)
{
LOG(LCRITICAL, ("Can't open", transitJsonPath, e.what()));
}
base::Json root(jsonBuffer.c_str());
CHECK(root.get() != nullptr, ("Cannot parse the json file:", transitJsonPath));
data.Clear();
try
{
data.DeserializeFromJson(root, mapping);
}
catch (RootException const & e)
{
LOG(LCRITICAL, ("Exception while parsing transit graph json. Json file path:", transitJsonPath, e.what()));
}
}
void ProcessGraph(string const & mwmPath, CountryId const & countryId,
OsmIdToFeatureIdsMap const & osmIdToFeatureIdsMap, GraphData & data)
{
CalculateBestPedestrianSegments(mwmPath, countryId, data);
data.Sort();
data.CheckValidSortedUnique();
}
void BuildTransit(string const & mwmDir, CountryId const & countryId,
string const & osmIdToFeatureIdsPath, string const & transitDir)
{
LOG(LINFO, ("Building transit section for", countryId, "mwmDir:", mwmDir));
Platform::FilesList graphFiles;
Platform::GetFilesByExt(base::AddSlashIfNeeded(transitDir), TRANSIT_FILE_EXTENSION, graphFiles);
string const mwmPath = GetMwmPath(mwmDir, countryId);
OsmIdToFeatureIdsMap mapping;
FillOsmIdToFeatureIdsMap(osmIdToFeatureIdsPath, mapping);
vector<m2::RegionD> mwmBorders;
LoadBorders(mwmDir, countryId, mwmBorders);
GraphData jointData;
for (auto const & fileName : graphFiles)
{
auto const filePath = base::JoinPath(transitDir, fileName);
GraphData data;
DeserializeFromJson(mapping, filePath, data);
// @todo(bykoianko) Json should be clipped on feature generation step. It's much more efficient.
data.ClipGraph(mwmBorders);
jointData.AppendTo(data);
}
if (jointData.IsEmpty())
return; // Empty transit section.
ProcessGraph(mwmPath, countryId, mapping, jointData);
jointData.CheckValidSortedUnique();
FilesContainerW cont(mwmPath, FileWriter::OP_WRITE_EXISTING);
FileWriter writer = cont.GetWriter(TRANSIT_FILE_TAG);
jointData.Serialize(writer);
}
} // namespace transit
} // namespace routing
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