implemented /model/files

src/routes/validate/model.ts

@@ -32,4 +32,11 @@ export default class ModelValidate {  // validate input for model
     }).validate(data, {stripUnknown: true});
     return error !== undefined? null : value;
   }
+
+  static fileOutput (data) {
+    return {
+      name: data.name,
+      size: data.data.length
+    }
+  }
 }