Display distance to restaraunt in results

client/html/index.html

@@ -83,6 +83,7 @@
                             <tr>
                                 <th>Id</th>
                                 <th>Name</th>
+                                <th>Distance</th>
                                 <th>Score</th>
                             </tr>
                         </thead>
@@ -90,6 +91,7 @@
                             <tr>
                                 <td>{{id}}</td>
                                 <td><a href="{{url}}">{{name}}</a></td>
+                                <th>{{distance}} km</th>
                                 <td>{{score}}</td>
                             </tr>
                         {{/each}}

client/scripts/application.js

@@ -137,8 +137,10 @@
         };
 
         if (_ctx.geo) {
-            _ctx.query.latitude  = _ctx.geo.coords.latitude;
-            _ctx.query.longitude = _ctx.geo.coords.longitude;
+            _ctx.query.geo = {
+                latitude:  _ctx.geo.coords.latitude,
+                longitude: _ctx.geo.coords.longitude
+            };
         }
 
         if (!_.has(_ctx, 'grapher')) {
@@ -231,7 +233,7 @@
 
         var template = Handlebars.compile($('#template').html());
         $('#results').empty();
-        $('#results').append(template({'results': results}));
+        $('#results').append(template({results: results}));
     }
 
     $(document).on({
@@ -246,7 +248,8 @@
         ready: function() {
             navigator.geolocation.getCurrentPosition(
                 function(geo) { onReady(geo); },
-                function(err) { onReady(null); }
+                function(err) { onReady(null); },
+                {enableHighAccuracy: true}
             );
         }
     });

server/search.js

@@ -64,13 +64,19 @@ function countRecords(data, features, minScore) {
     return count;
 }
 
-function findRecords(data, features, minScore) {
+function findRecords(data, geo, features, minScore) {
     var results = [];
     walkMatches(data, features, minScore, function(record, score) {
+        var distance = 0.0;
+        if (geo !== null) {
+            distance = geolib.getDistance(record.geo, geo) / 1000.0;
+        }
+
         results.push({
             name:     record.name,
             url:      'http://www.tripadvisor.com' + record.relativeUrl,
             score:    score,
+            distance: distance,
             id:       record.id
         });
     });
@@ -196,12 +202,16 @@ function getRecords(callback) {
                 name:        row.name,
                 id:          row.id,
                 relativeUrl: row.url,
+                geo: {
+                    latitude:    row.latitude,
+                    longitude:   row.longitude
+                },
                 rating: {
                     food:       row.food,
                     service:    row.service,
                     value:      row.value,
                     atmosphere: row.atmosphere
-                }
+                },
             };
         });
 
@@ -233,6 +243,7 @@ function execQuery(query, callback) {
     getData(function(data) {
         var searchResults = findRecords(
             data,
+            query.geo,
             query.features,
             query.minScore
         );
@@ -264,9 +275,9 @@ function execQuery(query, callback) {
 }
 
 module.exports = {
-    'loadDb':        loadDb,
-    'addKeyword':    addKeyword,
-    'removeKeyword': removeKeyword,
-    'getParameters': getParameters,
-    'execQuery':     execQuery
+    loadDb:        loadDb,
+    addKeyword:    addKeyword,
+    removeKeyword: removeKeyword,
+    getParameters: getParameters,
+    execQuery:     execQuery
 };