코드 정리 + 테스트 데이터 추가

@@ -8,6 +8,7 @@ const router = express.Router();
 router.post('/videoResult', function (req, res) {
     delete_prevResult_image('./fire');
     delete_prevResult_image('./unknown');
+    delete_prevResult_image('./data');
     try {
         let preview = req.body[0].preview;
 
@@ -29,26 +30,26 @@ router.post('/videoResult', function (req, res) {
                     file_name: 'frame_%s'
                 }, function (error, files) {
                     if (!error)
-                    for(var i=0;i<files.length-1;i++){
-                        let base64str = base64_encode(files[i]);
-                        request.post({
-                            url: 'http://101.101.210.73/process',
-                            form: {
-                                'data': base64str,
-                                'index': i
-                            },
-                            json: true
-                        }, (err, response, body) => {
-                            console.log(body)
-                            var index=body['index'];
-                            if(body['unknown_person'] == true){
-                                save_Result_image((files[index]), 'unknown', index);
-                            }
-                            if(body['fire_broken'] == true){
-                                save_Result_image((files[index]), 'fire', index);
-                            }
-                        })
-                    }
+                        for (var i = 0; i < files.length - 1; i++) {
+                            let base64str = base64_encode(files[i]);
+                            request.post({
+                                url: 'http://101.101.210.73/process',
+                                form: {
+                                    'data': base64str,
+                                    'index': i
+                                },
+                                json: true
+                            }, (err, response, body) => {
+                                console.log(body)
+                                var index = body['index'];
+                                if (body['unknown_person'] == true) {
+                                    save_Result_image((files[index]), 'unknown', index);
+                                }
+                                if (body['fire_broken'] == true) {
+                                    save_Result_image((files[index]), 'fire', index);
+                                }
+                            })
+                        }
                 }
             )
         })
@@ -88,24 +89,19 @@ function base64_encode(file) {
     return new Buffer(bitmap).toString('base64');
 }
 
-function save_Result_image(file, type, index){
+function save_Result_image(file, type, index) {
     var bitmap = fs.readFileSync(file);
     var filePath = './' + type + '/' + index + '.jpg';
-    fs.writeFile(filePath, bitmap, function(err){
+    fs.writeFile(filePath, bitmap, function (err) {
         console.log('save');
     });
 }
 
-function delete_prevResult_image(filePath){
-    fs.readdir(filePath, (err, files) => {
-        if (err) throw err;
-      
-        for (const file of files) {
-          fs.unlink(path.join(filePath, file), err => {
-            if (err) throw err;
-          });
-        }
-      });
+function delete_prevResult_image(filePath) {
+    let files = fs.readdirSync(filePath);
+    for (const file of files) {
+        fs.unlinkSync(path.join(filePath, file));
+    }
 }
 
 module.exports = router;
\ No newline at end of file