Adding script to add geo information to data

package.json

@@ -22,6 +22,7 @@
     "gulp-nodemon": "^1.0.4",
     "gulp-replace": "^0.4.0",
     "gulp-uglify": "^1.0.1",
-    "main-bower-files": "^2.0.0"
+    "main-bower-files": "^2.0.0",
+    "jsonfile": "~2.0.0"
   }
 }

scrape/geocode.js

@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+var geocoder = require('node-geocoder');
+var jf       = require('jsonfile');
+var _        = require('underscore');
+
+
+function queryPosition(gc, address, cache, callback) {
+    if (_.has(cache, address)) {
+        console.log('Cache lookup success for:\n\t%s', address);
+        callback(cache[address]);
+        return;
+    }
+
+    gc.geocode(address, function(err, res) {
+        if (err) {
+            console.log('Geocode lookup fail for: \n\t%s', address);
+            callback(null);
+        }
+        else {
+            console.log('Geocode lookup success for: \n\t%s', address);
+            callback(cache[address] = res[0]);
+        }
+    });
+}
+
+
+function main() {
+    var gc        = geocoder.getGeocoder('google', 'http', {});
+    var srcData   = jf.readFileSync('data.json');
+    var srcCount  = srcData.length;
+    var cacheData = jf.readFileSync('cache/geo.json', {throws: false}) || {};
+    var destData  = [];
+
+    _.each(srcData, function(srcItem) {
+        queryPosition(gc, srcItem.address, cacheData, function(geo) {
+            if (geo) {
+                var destItem = _.clone(srcItem);
+                destItem.geo = geo;
+                destData.push(destItem);
+            }
+
+            if (--srcCount === 0) {
+                jf.writeFileSync('data.json', destData);
+                jf.writeFileSync('cache/geo.json', cacheData);
+            }
+        });
+    });
+}
+
+if (require.main === module) {
+    main();
+}