use package version in user-agent string

Author: freewil

lib/main.js

@@ -2,6 +2,9 @@
 
 var https = require('https');
 var fs = require('fs');
+var pkg = require('./package.json');
+
+var API_VERSION = 4;
 
 // http://underscorejs.org/docs/underscore.html#section-118
 function isObject(obj) {
@@ -59,8 +62,8 @@ module.exports = function(api_key) {
       method: method,
       headers: {
         'Authorization': auth,
-        'Accept': 'application/vnd.blockscore+json;version=4',
-        'User-Agent': 'blockscore-node/4.0.0 (https://github.com/BlockScore/blockscore-node)',
+        'Accept': 'application/vnd.blockscore+json;version=' + API_VERSION,
+        'User-Agent': 'blockscore-node/' + pkg.version + ' (https://github.com/BlockScore/blockscore-node)',
         'Content-Type': 'application/json',
         'Content-Length': request_data.length
       },
@@ -130,7 +133,7 @@ module.exports = function(api_key) {
         if (person_id && typeof person_id === 'string') {
           data = { person_id: person_id };
         } else if(person_id && isObject(person_id) && 'person_id' in person_id){
-          data = person_id; 
+          data = person_id;
         } else {
           return cb(new Error("person_id required"));
         }
@@ -155,7 +158,7 @@ module.exports = function(api_key) {
       },
       del: function(candidate_id, cb) {
         del('/candidates/' + encodeURIComponent(candidate_id), {}, cb);
-      }, 
+      },
       retrieve: function(candidate_id, cb) {
         if (!(candidate_id && typeof candidate_id === 'string')) {
           return cb(new Error("candidate_id required"));