From 7ef17fd4e61503178875dd34f998203264ffb691 Mon Sep 17 00:00:00 2001
From: BoHong Li
Date: Wed, 12 Apr 2017 06:05:43 +0800
Subject: refactor(app.js): Extract tooBusy

---
 app.js                        | 10 ++--------
 lib/web/middleware/tooBusy.js | 13 +++++++++++++
 2 files changed, 15 insertions(+), 8 deletions(-)
 create mode 100644 lib/web/middleware/tooBusy.js

diff --git a/app.js b/app.js
index 86f2ff62..3cfa2a18 100644
--- a/app.js
+++ b/app.js
@@ -1,7 +1,7 @@
 // app
 // external modules
 var express = require('express')
-var toobusy = require('toobusy-js')
+
 var ejs = require('ejs')
 var passport = require('passport')
 var methodOverride = require('method-override')
@@ -146,13 +146,7 @@ server.on('resumeSession', function (id, cb) {
 })
 
 // middleware which blocks requests when we're too busy
-app.use(function (req, res, next) {
-  if (toobusy()) {
-    response.errorServiceUnavailable(res)
-  } else {
-    next()
-  }
-})
+app.use(require('./lib/web/middleware/tooBusy'))
 
 app.use(flash())
 
diff --git a/lib/web/middleware/tooBusy.js b/lib/web/middleware/tooBusy.js
new file mode 100644
index 00000000..f1b72330
--- /dev/null
+++ b/lib/web/middleware/tooBusy.js
@@ -0,0 +1,13 @@
+'use strict'
+
+const toobusy = require('toobusy-js')
+
+const response = require('../../response')
+
+module.exports = function (req, res, next) {
+  if (toobusy()) {
+    response.errorServiceUnavailable(res)
+  } else {
+    next()
+  }
+}
-- 
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