63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include "engine/plugins/nearest.hpp"
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#include "engine/api/nearest_api.hpp"
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#include "engine/api/nearest_parameters.hpp"
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#include "engine/phantom_node.hpp"
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#include "util/integer_range.hpp"
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#include <cstddef>
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#include <string>
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#include <boost/assert.hpp>
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#include <boost/numeric/conversion/cast.hpp>
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namespace osrm
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{
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namespace engine
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{
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namespace plugins
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{
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NearestPlugin::NearestPlugin(datafacade::BaseDataFacade &facade, const int max_results_)
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: BasePlugin{facade}, max_results{max_results_}
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{
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}
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Status NearestPlugin::HandleRequest(const api::NearestParameters ¶ms,
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util::json::Object &json_result)
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{
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BOOST_ASSERT(params.IsValid());
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if (max_results > 0 &&
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(boost::numeric_cast<std::int64_t>(params.number_of_results) > max_results))
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{
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return Error("TooBig",
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"Number of results " + std::to_string(params.number_of_results) +
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" is higher than current maximum (" + std::to_string(max_results) + ")",
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json_result);
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}
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if (!CheckAllCoordinates(params.coordinates))
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return Error("InvalidOptions", "Coordinates are invalid", json_result);
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if (params.coordinates.size() != 1)
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{
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return Error("InvalidOptions", "Only one input coordinate is supported", json_result);
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}
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auto phantom_nodes = GetPhantomNodes(params, params.number_of_results);
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if (phantom_nodes.front().size() == 0)
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{
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return Error("NoSegment", "Could not find a matching segments for coordinate", json_result);
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}
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BOOST_ASSERT(phantom_nodes.front().size() > 0);
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api::NearestAPI nearest_api(facade, params);
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nearest_api.MakeResponse(phantom_nodes, json_result);
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return Status::Ok;
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}
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}
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}
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}
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