refactor: topic

Author: xiaomuzhu

app/common/upload.js

@@ -0,0 +1,14 @@
+'use strict';
+
+const util = require('util');
+const qn = require('qn');
+
+exports = function qnUpload(options) {
+  // 7牛 client
+  let qnClient;
+  if (options.qn_access && options.qn_access.secretKey !== 'your secret key') {
+    qnClient = qn.create(options.qn_access);
+  }
+  const qnUpload = util.promisify(qnClient.upload);
+  return qnUpload;
+};