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#include "metrics/eye_serdes.hpp"
#include "coding/reader.hpp"
#include "coding/serdes_json.hpp"
#include "coding/write_to_sink.hpp"
#include "coding/writer.hpp"
#include "geometry/point2d.hpp"
#include "base/logging.hpp"
#include <sstream>
#include <string>
#include <type_traits>
namespace
{
struct MapObjectEvent
{
DECLARE_VISITOR(visitor(m_bestPoiType, "best_type"), visitor(m_poiPos, "pos"),
visitor(m_readableName, "readable_name"), visitor(m_defaultName, "default_name"),
visitor(m_event, "event"));
std::string m_bestPoiType;
m2::PointD m_poiPos;
std::string m_defaultName;
std::string m_readableName;
eye::MapObject::Event m_event;
};
} // namespace
namespace eye
{
// static
void Serdes::SerializeInfo(Info const & info, std::vector<int8_t> & result)
{
result.clear();
using Sink = MemWriter<std::vector<int8_t>>;
Sink writer(result);
WriteToSink(writer, static_cast<int8_t>(Info::GetVersion()));
coding::SerializerJson<Sink> ser(writer);
ser(info);
}
// static
void Serdes::DeserializeInfo(std::vector<int8_t> const & bytes, Info & result)
{
MemReader reader(bytes.data(), bytes.size());
NonOwningReaderSource source(reader);
auto version = static_cast<int8_t>(Version::Unknown);
ReadPrimitiveFromSource(source, version);
if (version == static_cast<int8_t>(Version::V0))
{
try
{
// TODO: Use temporary object InfoV0 and implement method to convert it to Info,
// TODO: when InfoV1 will be implemented.
coding::DeserializerJson des(source);
des(result);
}
catch (base::Json::Exception & ex)
{
LOG(LERROR, ("Cannot deserialize eye file. Exception:", ex.Msg(), "Version:", version,
"File content:", std::string(bytes.begin(), bytes.end())));
}
return;
}
MYTHROW(UnknownVersion, ("Unknown data version:", static_cast<int>(version)));
}
// static
void Serdes::SerializeMapObjects(MapObjects const & mapObjects, std::vector<int8_t> & result)
{
result.clear();
using Sink = MemWriter<std::vector<int8_t>>;
Sink writer(result);
std::string const nextLine = "\n";
MapObjectEvent event;
mapObjects.ForEach([&writer, &event, &nextLine](MapObject const & item)
{
for (auto const & poiEvent : item.GetEvents())
{
// Additional scope is added because of the coding::SerializerJson dumps result at destruction.
{
coding::SerializerJson<Sink> ser(writer);
event.m_bestPoiType = item.GetBestType();
event.m_poiPos = item.GetPos();
event.m_defaultName = item.GetDefaultName();
event.m_readableName = item.GetReadableName();
event.m_event = poiEvent;
ser(event);
}
writer.Write(nextLine.data(), nextLine.size());
}
});
}
// static
void Serdes::DeserializeMapObjects(std::vector<int8_t> const & bytes, MapObjects & result)
{
MemReader reader(bytes.data(), bytes.size());
NonOwningReaderSource source(reader);
std::string tmp(bytes.begin(), bytes.end());
std::istringstream is(tmp);
std::string eventString;
MapObjectEvent event;
MapObject poi;
try
{
while (getline(is, eventString))
{
if (eventString.empty())
return;
coding::DeserializerJson des(eventString);
des(event);
poi.SetBestType(event.m_bestPoiType);
poi.SetPos(event.m_poiPos);
poi.SetDefaultName(event.m_defaultName);
poi.SetReadableName(event.m_readableName);
bool found = false;
result.ForEachInRect(poi.GetLimitRect(), [&found, &poi, &event](MapObject const & item)
{
if (item != poi)
return;
if (!found)
found = true;
item.GetEditableEvents().push_back(event.m_event);
});
if (!found)
{
poi.GetEditableEvents().push_back(event.m_event);
result.Add(poi);
}
}
}
catch (base::Json::Exception & ex)
{
LOG(LERROR, ("Cannot deserialize map objects. Exception:", ex.Msg(), ". Event string:",
eventString, ". Content:", std::string(bytes.begin(), bytes.end())));
}
}
// static
void Serdes::SerializeMapObjectEvent(MapObject const & poi, MapObject::Event const & poiEvent,
std::vector<int8_t> & result)
{
result.clear();
using Sink = MemWriter<std::vector<int8_t>>;
Sink writer(result);
coding::SerializerJson<Sink> ser(writer);
std::string const nextLine = "\n";
MapObjectEvent event;
event.m_bestPoiType = poi.GetBestType();
event.m_poiPos = poi.GetPos();
event.m_defaultName = poi.GetDefaultName();
event.m_readableName = poi.GetReadableName();
event.m_event = poiEvent;
ser(event);
writer.Write(nextLine.data(), nextLine.size());
}
} // namespace eye
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