增加 seo

@@ -79,13 +79,13 @@ const logger = require('./library/logger');
 // dispatcher
 try {
     const user = require('./doraemon/middleware/user');
-    const setChannel = require('./doraemon/middleware/set-channel');
     const seo = require('./doraemon/middleware/seo');
+    const setYohoData = require('./doraemon/middleware/set-yoho-data');
     const errorHanlder = require('./doraemon/middleware/error-handler');
 
     // YOHO 前置中间件
+    app.use(setYohoData());
     app.use(user());
-    app.use(setChannel());
     app.use(seo());
 
     require('./dispatch')(app);

 /**
- * 设置频道
+ * 设置 YOHO 数据
  * @author: 赵彪<bill.zhao@yoho.cn>
  * @date: 2016/6/16
  */
@@ -8,19 +8,16 @@
 
 module.exports = () => {
     return (req, res, next) => {
-        if (!req.xhr) {
-            const obj = {};
-            const channel = req.query.channel || req.cookies._Channel || 'boys';
+        let yoho = {
+            pageChannel: {}
+        };
+        const channel = req.query.channel || req.cookies._Channel || 'boys';
 
-            obj[channel] = true;
-
-            Object.assign(res.locals, {
-                pageChannel: obj
-            });
-
-            req.yoho.channel = channel;
-        }
+        yoho.pageChannel[channel] = true;
+        yoho.isApp = req.query.app_version || req.query.appVersion;
 
+        Object.assign(res.locals, yoho);
+        Object.assign(req.yoho, yoho);
         next();
     };
 };