Add support for Openrouteservice

Fixes #239.

Author: simon04

README.md

@@ -21,7 +21,7 @@ The plugin supports many different data providers:
 * [MapQuest Geocoding API](http://developer.mapquest.com/web/products/dev-services/geocoding-ws)
 * [What3Words](http://what3words.com/)
 * [Photon](http://photon.komoot.de/)
-* [Pelias](https://pelias.io/), [geocode.earth](https://geocode.earth/) (formerly Mapzen Search)
+* [Pelias](https://pelias.io/), [geocode.earth](https://geocode.earth/) (formerly Mapzen Search), [Openrouteservice](https://openrouteservice.org/dev/#/api-docs/geocode)
 * [HERE Geocoder API](https://developer.here.com/documentation/geocoder/topics/introduction.html)
 * [Neutrino API](https://www.neutrinoapi.com/api/geocode-address/)
 

spec/pelias.spec.js

@@ -0,0 +1,70 @@
+describe('L.Control.Geocoder.Openrouteservice', function() {
+  var server;
+  var geocoder = new L.Control.Geocoder.Openrouteservice('0123');
+
+  beforeEach(function() {
+    server = sinon.fakeServer.create();
+  });
+  afterEach(function() {
+    server.restore();
+  });
+
+  it('geocodes Innsbruck', function() {
+    server.respondWith(
+      'https://api.openrouteservice.org/geocode/search?api_key=0123&text=innsbruck',
+      JSON.stringify({
+        geocoding: {
+          version: '0.2',
+          attribution: 'openrouteservice.org | OpenStreetMap contributors | Geocoding by Pelias',
+          query: {},
+          warnings: ["performance optimization: excluding 'address' layer"],
+          engine: { name: 'Pelias', author: 'Mapzen', version: '1.0' }
+        },
+        type: 'FeatureCollection',
+        features: [
+          {
+            type: 'Feature',
+            geometry: { type: 'Point', coordinates: [11.407851, 47.272308] },
+            properties: {
+              id: '101748061',
+              layer: 'locality',
+              source_id: '101748061',
+              name: 'Innsbruck',
+              confidence: 1,
+              match_type: 'exact',
+              accuracy: 'centroid',
+              country: 'Austria',
+              country_a: 'AUT',
+              region: 'Tirol',
+              region_a: 'TR',
+              county: 'Innsbruck',
+              county_a: 'IN',
+              localadmin: 'Innsbruck',
+              locality: 'Innsbruck',
+              continent: 'Europe',
+              label: 'Innsbruck, Austria'
+            },
+            bbox: [11.3218091258, 47.2470573997, 11.452584553, 47.29398]
+          }
+        ],
+        bbox: [10.9896885523, 46.9624806033, 11.7051690163, 47.4499185397]
+      })
+    );
+
+    var callback = sinon.fake();
+    geocoder.geocode('innsbruck', callback);
+    server.respond();
+
+    expect(callback.calledOnce).to.be.ok();
+    expect(callback.lastArg).to.be.ok();
+    expect(callback.lastArg.length).to.eql(1);
+    expect(callback.lastArg[0].name).to.eql('Innsbruck, Austria');
+    expect(callback.lastArg[0].center).to.eql({ lat: 47.272308, lng: 11.407851 });
+    expect(callback.lastArg[0].bbox).to.eql(
+      L.latLngBounds([
+        { lat: 47.2470573997, lng: 11.3218091258 },
+        { lat: 47.29398, lng: 11.452584553 }
+      ])
+    );
+  });
+});

src/geocoders/pelias.js

@@ -83,6 +83,12 @@ export var Pelias = L.Class.extend({
         if (layer.getBounds) {
           bbox = layer.getBounds();
           center = bbox.getCenter();
+        } else if (layer.feature.bbox) {
+          center = layer.getLatLng();
+          bbox = L.latLngBounds(
+            L.GeoJSON.coordsToLatLng(layer.feature.bbox.slice(0, 2)),
+            L.GeoJSON.coordsToLatLng(layer.feature.bbox.slice(2, 4))
+          );
         } else {
           center = layer.getLatLng();
           bbox = L.latLngBounds(center, center);
@@ -107,3 +113,12 @@ export var geocodeEarth = pelias;
 
 export var Mapzen = Pelias; // r.i.p.
 export var mapzen = pelias;
+
+export var Openrouteservice = Mapzen.extend({
+  options: {
+    serviceUrl: 'https://api.openrouteservice.org/geocode'
+  }
+});
+export function openrouteservice(apiKey, options) {
+  return new Openrouteservice(apiKey, options);
+}