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#include "online_cross_fetcher.hpp"
#include "platform/http_request.hpp"
#include "base/logging.hpp"
#include "base/string_utils.hpp"
#include "3party/jansson/myjansson.hpp"
#include "geometry/mercator.hpp"
#include "std/bind.hpp"
namespace
{
inline string LatLonToURLArgs(ms::LatLon const & point)
{
return strings::to_string(point.lat) + ','+ strings::to_string(point.lon);
}
} // namespace
namespace routing
{
bool ParseResponse(const string & serverResponse, vector<m2::PointD> & outPoints)
{
try
{
my::Json parser(serverResponse.c_str());
json_t const * countries = json_object_get(parser.get(), "used_mwms");
size_t pointsCount = json_array_size(countries);
outPoints.reserve(pointsCount);
for (size_t i = 0; i < pointsCount; ++i)
{
json_t * pointArray = json_array_get(countries, i);
outPoints.push_back({json_number_value(json_array_get(pointArray, 0)),
json_number_value(json_array_get(pointArray, 1))});
}
return !outPoints.empty();
}
catch (my::Json::Exception&)
{
return false;
}
return false;
}
string GenerateOnlineRequest(string const & serverURL, ms::LatLon const & startPoint,
ms::LatLon const & finalPoint)
{
return serverURL + "/mapsme?loc=" + LatLonToURLArgs(startPoint) + "&loc=" +
LatLonToURLArgs(finalPoint);
}
OnlineCrossFetcher::OnlineCrossFetcher(string const & serverURL, ms::LatLon const & startPoint,
ms::LatLon const & finalPoint)
: m_request(GenerateOnlineRequest(serverURL, startPoint, finalPoint))
{
LOG(LINFO, ("Check mwms by URL: ", GenerateOnlineRequest(serverURL, startPoint, finalPoint)));
}
void OnlineCrossFetcher::Do()
{
m_mwmPoints.clear();
if (m_request.RunHttpRequest() && m_request.ErrorCode() == 200 && !m_request.WasRedirected())
ParseResponse(m_request.ServerResponse(), m_mwmPoints);
else
LOG(LWARNING, ("Can't get OSRM server response. Code: ", m_request.ErrorCode()));
}
} // namespace routing
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