update to post image

Author: Shunsuke Sasaki

lib/analyse_image.js

@@ -10,15 +10,18 @@ const image_analyse_path = '/vision/v1.0/analyze?';
 
 // execute translate
 analyseImage(function (token) {
-    analyseImage(token, function (analysed) {
+    analyseImage(function (analysed) {
       console.log(analysed);
     });
 });
 
 // do analyse image
 function analyseImage(callback) {
-  fs.readFile('./image/house_yard.jpg', 'binary', function(err, data) {
+  fs.readFile('./image/house_yard.jpg', function(err, data) {
     if(err) throw err;
+
+    var buf = new Buffer(data, 'binary');
+
     var result = ""
     var options = 'visualFeatures=Description&Subscription-key=' + api_key
 
@@ -29,29 +32,25 @@ function analyseImage(callback) {
       headers: {
         'Content-Type': 'application/octet-stream'
       },
-      body: data,
-      encode: 'binary'
     }, function (res) {
         res.on('data', function (chunk) {
             result += chunk;
         }).on('end', function () {
-            console.log(result);
             result_json = JSON.parse(result);
             var analysed_items = "";
-            (result_json.tags).forEach(function(tag){
-              analysed_items += tag.name + ", "
-            })
+            (result_json.description.tags).forEach(function(tag){
+              analysed_items += tag + "\n"
+            });
             analysed(analysed_items)
         });
     }).on('error', function (err) {
         console.log(err);
     });
 
-    console.log(req);
-
+    req.write(buf)
     req.end();
 
-  })
+  });
 
   function analysed(text) {
       callback(text);