com.github.mongo.labs.api.GeoService.java Source code

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Here is the source code for com.github.mongo.labs.api.GeoService.java

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  <p/>
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  <p/>
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.github.mongo.labs.api;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;

import org.jongo.MongoCollection;

import com.mongodb.BasicDBObject;
import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.util.JSON;
import com.wordnik.swagger.annotations.Api;
import com.wordnik.swagger.annotations.ApiOperation;

@Api(value = "/geo", description = "Recherche golocalis")
@Path("/geo")
@Produces(MediaType.APPLICATION_JSON)
@Singleton
public class GeoService {

    @Named("jongo/speakers")
    @Inject
    MongoCollection collection;
    @Named("mongo/speakers")
    @Inject
    DBCollection speakers;

    @GET
    @Path("/{longitude}/{latitude}")
    @ApiOperation(value = "Retrouve les speakers proche du point [longitude, latitude] (ex: 2.3521, 48.8670)", notes = "Un <b>index golocalis</b> doit tre prsent sur la collection des speakers")
    public String near(@PathParam("longitude") double longitude, @PathParam("latitude") double latitude) {

        DBObject query = BasicDBObjectBuilder.start().push("geo").push("$near").add("$maxDistance", 1500)
                .push("$geometry").add("type", "Point").add("coordinates", new Double[] { longitude, latitude })
                .get();
        return JSON.serialize(speakers.find(query));
    }

    @GET
    @Path("/")
    @ApiOperation(value = "Retourne tous les speakers avec leurs donnes de golocalisation, nom et id", notes = "C'est trs proche du service /speakers/ : les donnes sont les mmes, mais la structure est diffrente.")
    public String all() {
        DBObject projection = new BasicDBObject();
        projection.put("name", 1);
        projection.put("geo", 1);
        return JSON.serialize(
                speakers.find(new BasicDBObject("geo", new BasicDBObject("$exists", "true")), projection));
    }
}