make hash into function

Author: anandkumarpatel

lib/models/mongo/infra-code-version.js

@@ -222,7 +222,7 @@ InfraCodeVersionSchema.methods.createFs = function (data, cb) {
     if (last(fileData.Key) === '/') {
       fileKey = fileData.Key.slice(0, -1);
       dirKey = fileData.Key;
-      attrs.hash = crypto.createHash('md5').update(data.body.toString().trim()).digest('hex');
+      attrs.hash = hashString(data.body.toString());
     }
     else {
       fileKey = fileData.Key;
@@ -290,7 +290,7 @@ InfraCodeVersionSchema.methods.updateFile = function (fullpath, body, cb) {
     }, {
       $set: {
         'files.$': file.toJSON(),
-        'hash': crypto.createHash('md5').update(body.toString().trim()).digest('hex'),
+        'hash': hashString(body.toString()),
         edited: true
       }
     }, function (err) {
@@ -550,4 +550,7 @@ InfraCodeVersionSchema.methods.copyFilesFromSource = function (sourceInfraCodeVe
   }
 };
 
+function hashString(data) {
+  return crypto.createHash('md5').update(data.toString().trim()).digest('hex');
+}
 var InfraCodeVersion = module.exports = mongoose.model('InfraCodeVersion', InfraCodeVersionSchema);