sts-saguenay-android/app/src/main/java/com/rthoni/stssaguenay/dataaccess/StopsDataAccess.java

package com.rthoni.stssaguenay.dataaccess;

import android.util.Pair;

import com.rthoni.stssaguenay.dbo.LuDataAccessConfigDbo;
import com.rthoni.stssaguenay.dbo.LuDbo;
import com.rthoni.stssaguenay.dbo.StopsDbo;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Vector;

/**
 * Created by robin on 9/29/16.
 */
public class StopsDataAccess {

    public static class StopsDboRaw extends LuDbo {

        protected List<StopsDbo> _stops;

        @Override
        public void fromJson(JSONObject json) throws JSONException {

            _stops = new Vector<>();
            JSONArray features = json.getJSONArray("features");
            for (int i = 0; i < features.length(); ++i) {
                JSONObject obj = features.getJSONObject(i);
                JSONObject props = obj.getJSONObject("properties");

                JSONArray routes = props.getJSONArray("route_ids");
                List<String> routesStr = new Vector<>();
                for (int j = 0; j < routes.length(); ++j) {
                    routesStr.add(routes.getString(j));
                }

                JSONArray pos = obj.getJSONObject("geometry").getJSONArray("coordinates");

                StopsDbo stop = new StopsDbo();
                stop.setId(obj.getString("id"));
                stop.setName(props.getString("name"));
                stop.setRoutes(routesStr);
                stop.setPosition(new Pair<Double, Double>(pos.getDouble(0), pos.getDouble(1)));
                _stops.add(stop);
            }
        }

        @Override
        public HashMap<String, Object> toArray() {
            return null;
        }

        public List<StopsDbo> getStops()
        {
            return _stops;
        }
    }

    public static LuPromise<List<StopsDbo>> getAll(LuDataAccessConfigDbo config, int unknownParam)
    {
        return LuRequest.get(config, StopsDboRaw.class, String.format(Locale.getDefault(), "transit/%d/week/stops.json", unknownParam))
        .map(new LuPromise.LuConverter<StopsDboRaw, List<StopsDbo>>() {
            @Override
            public List<StopsDbo> convert(StopsDboRaw data) {
                return data.getStops();
            }
        });
    }
}