添加isStudent

 'use strict';
 
 const shareBuyModel = require('../models/share-buy'),
-    headerModel = require('../../../doraemon/models/header');
+    headerModel = require('../../../doraemon/models/header'),
+    co = require('bluebird').coroutine;
 
 exports.index = (req, res, next) => {
     let activityId = req.query.act_id || 2023,
         isApp = req.yoho.isApp,
         uid = req.user.uid;
 
-    req.ctx(shareBuyModel).shareIndex(activityId, isApp, uid).then(data => {
+    co(function* () {
+        let isStudent = yield req.ctx(shareBuyModel).checkStudent(uid);
+        let indexData = yield req.ctx(shareBuyModel).shareIndex(activityId, isApp, uid, isStudent);
+
         res.render('share-buy/share-buy', {
             pageHeader: headerModel.setNav({
                 navTitle: '分享购'
@@ -17,15 +21,14 @@ exports.index = (req, res, next) => {
             localCss: true,
             width750: true,
             title: '分享购',
-            userCouponBoList: data.userCouponBoList,
-            newsFlash: data.newsFlash,
-            rebeatUrl: data.rebeatUrl,
-            strategyUrl: data.strategyUrl,
-            banner: data.banner,
-            isStudent: data.isStudent
+            userCouponBoList: indexData.userCouponBoList,
+            newsFlash: indexData.newsFlash,
+            rebeatUrl: indexData.rebeatUrl,
+            strategyUrl: indexData.strategyUrl,
+            banner: indexData.banner,
+            isStudent: indexData.isStudent
         });
-
-    }).catch(next);
+    })().catch(next);
 };
 
 exports.detail = (req, res, next) => {

@@ -11,10 +11,10 @@ module.exports = class extends global.yoho.BaseModel {
     /**
      * 首页数据
      */
-    shareIndex(activityId, isApp, uid) {
+    shareIndex(activityId, isApp, uid, isStudent) {
 
-        return api.all([this._CouponInfo(activityId, uid), this._redeatList(), this._banner(),
-            this._checkStudent(uid)]).then(result => {
+        return api.all([this._CouponInfo(activityId, uid, isStudent), this._redeatList(),
+            this._banner()]).then(result => {
 
                 const indexData = {
                     newsFlash: []
@@ -23,9 +23,7 @@ module.exports = class extends global.yoho.BaseModel {
                 const rebeatUrl = '//m.yohobuy.com/activity/share-buy/my-rebeat',
                     strategyUrl = 'http://activity.yoho.cn/feature/115.html?share_id=2023&title=分享购攻略';
 
-                if (result[3]) {
-                    indexData.isStudent = parseInt(result[3].isStudent, 10) === 1 ? true : false;
-                }
+                indexData.isStudent = isStudent;
 
                 if (result[0] && result[0].data && result[0].data.userCouponBoList) {
                     _.forEach(result[0].data.userCouponBoList, function(val) {
@@ -104,11 +102,12 @@ module.exports = class extends global.yoho.BaseModel {
     /**
      * 首页获取优惠券信息
      */
-    _CouponInfo(activityId, uid) {
+    _CouponInfo(activityId, uid, isStudent) {
         return api.get('', {
             method: 'app.activity.getActivityCouponInfo',
             activity_id: activityId,
-            uid: uid
+            uid: uid,
+            isStudent: isStudent
         }, {
             code: 200
         }).then((result) => {
@@ -195,19 +194,19 @@ module.exports = class extends global.yoho.BaseModel {
     /**
      * 判断是不是学生
      */
-    _checkStudent(uid) {
+    checkStudent(uid) {
         return api.get('', {
             method: 'app.student.checkIsStudent',
             uid: uid
         }).then(result => {
 
-            let resu = {};
+            let isStudent;
 
             if (result && result.data && result.code === 200) {
-                resu = result.data;
+                isStudent = parseInt(result.data.isStudent, 10) === 1 ? true : false;
             }
 
-            return resu;
+            return isStudent;
 
         });
     }