Add support for Mapzen's Valhalla routing engine

[rails.git] / app / assets / javascripts / index / directions / graphhopper.js

diff --git a/app/assets/javascripts/index/directions/graphhopper.js b/app/assets/javascripts/index/directions/graphhopper.js
index c4ba58b1a318e50ccb482f4b179d6daeee73c64a..5a16f708cf33916a5ba1eccc7cd069b54c6b4eac 100644 (file)
--- a/app/assets/javascripts/index/directions/graphhopper.js
+++ b/app/assets/javascripts/index/directions/graphhopper.js
@@ -1,4 +1,4 @@
-function GraphHopperEngine(id, vehicleParam) {
+function GraphHopperEngine(id, vehicleType) {
   var GH_INSTR_MAP = {
     "-3": 6, // sharp left
     "-2": 7, // left
@@ -8,7 +8,8 @@ function GraphHopperEngine(id, vehicleParam) {
     2: 2, // right
     3: 3, // sharp right
     4: -1, // finish reached
-    5: -1 // via reached
+    5: -1, // via reached
+    6: 11 // roundabout
   };
 
   return {
@@ -17,22 +18,21 @@ function GraphHopperEngine(id, vehicleParam) {
     draggable: false,
 
     getRoute: function (points, callback) {
-      // documentation
-      // https://github.com/graphhopper/graphhopper/blob/master/docs/web/api-doc.md
-      var url = document.location.protocol + "//graphhopper.com/api/1/route?" +
-          vehicleParam +
-          "&locale=" + I18n.currentLocale() +
-          "&key=LijBPDQGfu7Iiq80w3HzwB4RUDJbMbhs6BU0dEnn" +
-          "&type=jsonp" +
-          "&instructions=true";
-
-      for (var i = 0; i < points.length; i++) {
-        url += "&point=" + points[i].lat + ',' + points[i].lng;
-      }
-
-      $.ajax({
-        url: url,
-        dataType: 'jsonp',
+      // GraphHopper Directions API documentation
+      // https://github.com/graphhopper/directions-api/blob/master/docs-routing.md
+      return $.ajax({
+        url: document.location.protocol + "//graphhopper.com/api/1/route",
+        data: {
+          vehicle: vehicleType,
+          locale: I18n.currentLocale(),
+          key: "LijBPDQGfu7Iiq80w3HzwB4RUDJbMbhs6BU0dEnn",
+          type: "jsonp",
+          elevation: false,
+          instructions: true,
+          point: points.map(function (p) { return p.lat + "," + p.lng; })
+        },
+        traditional: true,
+        dataType: "jsonp",
         success: function (data) {
           if (!data.paths || data.paths.length === 0)
             return callback(true);
@@ -70,5 +70,5 @@ function GraphHopperEngine(id, vehicleParam) {
   };
 }
 
-OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_bicycle", "vehicle=bike"), true);
-OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_foot", "vehicle=foot"), true);
+OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_bicycle", "bike"), true);
+OSM.Directions.addEngine(new GraphHopperEngine("graphhopper_foot", "foot"), true);