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Added restaurant details for issue #47 #48

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Added restaurant details for issue #47 #48

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31 changes: 30 additions & 1 deletion lib/server/routes/restaurants.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,8 @@ var express = require('express');
var router = express.Router();
var request = require('request');
var googleApiKey = require('config').get('googlePlacesApiKey');
var myLatitude;
var myLongitude;

/**
* Given the specified latitude and longitude, give me back
Expand All @@ -24,6 +26,9 @@ router.get('/', function (req, res) {

var location = req.query.latitude + ',' + req.query.longitude;

myLatitude = req.query.latitude;
myLongitude = req.query.longitude;

var requestOptions = {
url: 'https://maps.googleapis.com/maps/api/place/nearbysearch/json',
qs: {
Expand Down Expand Up @@ -62,10 +67,34 @@ router.get('/', function (req, res) {
break;
}

/* Compute distance from lat/lon using Haversine Formula */
var deg2rad = Math.PI/180;
var dlon = deg2rad*myLongitude - deg2rad*result.geometry.location.lng;
var dlat = deg2rad*myLatitude - deg2rad*result.geometry.location.lat;

var a = (Math.sin(dlat/2))*(Math.sin(dlat/2)) + Math.cos(deg2rad*result.geometry.location.lat) * Math.cos(deg2rad*myLatitude) * (Math.sin(dlon/2))*(Math.sin(dlon/2));

var c = 2 * Math.atan2( Math.sqrt(a), Math.sqrt(1-a) );

/* Consider I18N here */
var earth_radius_miles = 3959;
var d = earth_radius_miles * c;
var dUnits = " miles";
if (d<0) {
d=0.0;
}
if (d<0.1) {
d = Math.round(5280 * d);
dUnits = " feet";
} else {
d = Math.round(10*d)/10;
}

restaurants.push({
id: result.id,
name: result.name
name: result.name + "[" + result.vicinity + "], " + d + dUnits + " away."
});

}

res.send(restaurants);
Expand Down