package io.lumify.web.routes.vertex;
import com.google.inject.Inject;
import io.lumify.core.config.Configuration;
import io.lumify.core.model.ontology.OntologyProperty;
import io.lumify.core.model.ontology.OntologyRepository;
import io.lumify.core.model.user.UserRepository;
import io.lumify.core.model.workspace.WorkspaceRepository;
import io.lumify.core.user.User;
import io.lumify.core.util.ClientApiConverter;
import io.lumify.miniweb.HandlerChain;
import io.lumify.web.BaseRequestHandler;
import io.lumify.web.clientapi.model.ClientApiVertexSearchResponse;
import io.lumify.web.clientapi.model.PropertyType;
import org.securegraph.Authorizations;
import org.securegraph.Graph;
import org.securegraph.Vertex;
import org.securegraph.query.GeoCompare;
import org.securegraph.type.GeoCircle;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class VertexGeoSearch extends BaseRequestHandler {
private final Graph graph;
private final OntologyRepository ontologyRepository;
@Inject
public VertexGeoSearch(
final Graph graph,
final UserRepository userRepository,
final WorkspaceRepository workspaceRepository,
final Configuration configuration,
final OntologyRepository ontologyRepository) {
super(userRepository, workspaceRepository, configuration);
this.graph = graph;
this.ontologyRepository = ontologyRepository;
}
@Override
public void handle(HttpServletRequest request, HttpServletResponse response, HandlerChain chain) throws Exception {
final double latitude = getRequiredParameterAsDouble(request, "lat");
final double longitude = getRequiredParameterAsDouble(request, "lon");
final double radius = getRequiredParameterAsDouble(request, "radius");
User user = getUser(request);
Authorizations authorizations = getAuthorizations(request, user);
String workspaceId = getActiveWorkspaceId(request);
ClientApiVertexSearchResponse results = new ClientApiVertexSearchResponse();
for (OntologyProperty property : this.ontologyRepository.getProperties()) {
if (property.getDataType() != PropertyType.GEO_LOCATION) {
continue;
}
Iterable<Vertex> vertices = graph.query(authorizations).
has(property.getTitle(), GeoCompare.WITHIN, new GeoCircle(latitude, longitude, radius)).
vertices();
for (Vertex vertex : vertices) {
results.getVertices().add(ClientApiConverter.toClientApiVertex(vertex, workspaceId, authorizations));
}
}
respondWithClientApiObject(response, results);
}
}