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#include "routing/routing_quality/mapbox/api.hpp"
#include "routing/vehicle_mask.hpp"
#include "coding/file_writer.hpp"
#include "coding/serdes_json.hpp"
#include "coding/url_encode.hpp"
#include "coding/writer.hpp"
#include "platform/http_client.hpp"
#include "geometry/latlon.hpp"
#include <sstream>
using namespace std;
using namespace string_literals;
namespace
{
string const kBaseURL = "https://api.mapbox.com/";
string const kDirectionsApiVersion = "v5";
string const kStylesApiVersion = "v1";
string VehicleTypeToMapboxType(routing::VehicleType type)
{
using routing::VehicleType;
switch (type)
{
case VehicleType::Car:
return "mapbox/driving"s;
case VehicleType::Pedestrian:
return "mapbox/walking"s;
case VehicleType::Bicycle:
return "mapbox/cycling"s;
case VehicleType::Transit:
case VehicleType::Count:
CHECK(false, ());
return ""s;
}
UNREACHABLE();
}
string LatLonsToString(vector<ms::LatLon> const & coords)
{
ostringstream oss;
auto const size = coords.size();
for (size_t i = 0; i < size; ++i)
{
auto const & ll = coords[i];
oss << ll.lon << "," << ll.lat;
if (i + 1 != size)
oss << ";";
}
oss << ".json";
return UrlEncode(oss.str());
}
} // namespace
namespace routing_quality
{
namespace mapbox
{
DirectionsResponse Api::MakeDirectionsRequest(RouteParams const & params) const
{
CHECK(!m_accessToken.empty(), ());
platform::HttpClient request(GetDirectionsURL(params));
DirectionsResponse ret;
if (request.RunHttpRequest() && !request.WasRedirected() && request.ErrorCode() == 200)
{
auto const & response = request.ServerResponse();
CHECK(!response.empty(), ());
{
coding::DeserializerJson des(response);
des(ret);
}
}
else
{
CHECK(false, (request.ErrorCode(), request.ServerResponse()));
}
return ret;
}
void Api::DrawRoutes(Geometry const & mapboxRoute, Geometry const & mapsmeRoute, string const & snapshotPath) const
{
CHECK(!m_accessToken.empty(), ());
CHECK(!snapshotPath.empty(), ());
platform::HttpClient request(GetRoutesRepresentationURL(mapboxRoute, mapsmeRoute));
if (request.RunHttpRequest() && !request.WasRedirected() && request.ErrorCode() == 200)
{
auto const & response = request.ServerResponse();
FileWriter w(snapshotPath);
w.Write(response.data(), response.size());
return;
}
CHECK(false, ("Mapbox api error:", request.ErrorCode()));
}
// static
vector<string> Api::GenerateWaypointsBasedOn(DirectionsResponse response)
{
auto & routes = response.m_routes;
CHECK(!routes.empty(), ());
vector<string> res;
res.reserve(routes.size());
for (auto & r : routes)
{
auto & coords = r.m_geometry.m_coordinates;
// Leave at most 10 waypoints from mapbox route.
Api::Sieve(coords, 10 /* maxRemainingNumber */);
ostringstream oss;
oss << "{";
auto const size = coords.size();
for (size_t i = 0; i < size; ++i)
{
auto const & lonLat = coords[i];
CHECK_EQUAL(lonLat.size(), 2, ());
oss << "{" << lonLat[1] << ", " << lonLat[0] << "}";
if (i + 1 != size)
oss << ",\n";
}
oss << "}";
res.emplace_back(oss.str());
}
return res;
}
string Api::GetDirectionsURL(RouteParams const & params) const
{
ostringstream oss;
oss << kBaseURL << "directions/" << kDirectionsApiVersion << "/" << VehicleTypeToMapboxType(params.m_type) << "/";
oss << LatLonsToString(params.m_waypoints) << "?";
oss << "access_token=" << m_accessToken << "&";
oss << "overview=simplified&" << "geometries=geojson";
return oss.str();
}
string Api::GetRoutesRepresentationURL(Geometry const & mapboxRoute, Geometry const & mapsmeRoute) const
{
using Sink = MemWriter<string>;
string mapboxData;
{
Sink sink(mapboxData);
coding::SerializerJson<Sink> ser(sink);
ser(mapboxRoute);
}
mapboxData = UrlEncode(mapboxData);
string mapsmeData;
{
Sink sink(mapsmeData);
coding::SerializerJson<Sink> ser(sink);
ser(mapsmeRoute);
}
mapsmeData = UrlEncode(mapsmeData);
ostringstream oss;
oss << kBaseURL << "styles/" << kStylesApiVersion << "/mapbox/streets-v10/static/";
oss << "geojson(" << mapboxData << ")"
<< ",geojson(" << mapsmeData << ")"<< "/auto/1000x1000?" << "access_token=" << m_accessToken;
return oss.str();
}
} // namespace mapbox
} // namespace routing_quality
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