guagn comment pjax

@@ -12,6 +12,7 @@ const guangModel = require('../models/index');
 const headerModel = require('../../../doraemon/models/header');
 const ghelper = require('../models/guang-helper');
 const querystring = require('querystring');
+const helpers = global.yoho.helpers;
 
 /**
  * 首页文章列表 类型列表
@@ -205,6 +206,7 @@ exports.detail = (req, res, next) => {
     if (pjax) {
         guangModel.getArticleComments(id, page, pageSize).then(ret => {
 
+            res.set('Cache-Control', 'no-cache');
             res.render('guang/detail-comment', {
                 layout: false,
                 comment: ret
@@ -288,7 +290,11 @@ exports.detail = (req, res, next) => {
                     shareImg: info.shareImg,
                     sharedTitle: info.title,
                     shareDesc: info.desc,
-                    weixinUrl: info.weixinUrl
+                    weixinUrl: info.weixinUrl,
+                    commentFirstPageUrl: helpers.urlFormat('/info/index', {
+                        id: id,
+                        pageSize: 10
+                    }, 'guang')
                 }
             }, {
                 title: `${info.title} | YOHO!BUY有货 | 年轻人潮流购物中心，中国潮流购物风向标，官方授权正品保证`,

@@ -142,6 +142,7 @@
                     <div id="pjax-container" class="comments-wrap">
                         {{> comment}}
                     </div>
+                    <a href="{{commentFirstPageUrl}}" data-role="comment-first-url" class="hide"></a>
                 </div>
             {{/unless}}
         </div>

@@ -17,7 +17,7 @@ const cachePage = {
 
     // 逛
     '/guang/': 1 * MINUTE,
-    '/guang/info/index': 10 * MINUTE,
+    //'/guang/info/index': 10 * MINUTE,
     '/guang/detail/:id': 10 * MINUTE,
     '/guang/Index/editor': 1 * MINUTE,
     '/guang/tags/index': 1 * MINUTE,

@@ -15,7 +15,8 @@ var $commentList = $commentArea.find('.comments-wrap'),
     locating = false, // 评论页面正在跳转
     $commentBtn = $('#comment-btn'),
     MAX_COMMENTS_WORDS = 100,
-    $wordCountTip = $('#word-count-tip');
+    $wordCountTip = $('#word-count-tip'),
+    commentLoaded = false;
 
 require('../common');
 require('./right-side');
@@ -213,10 +214,21 @@ $commentBtn.click(function(e) {
 
 
 // comment pager pjax
-$(document).pjax('.comment-pager a', '#pjax-container', {
+$(document).pjax('.comment-pager a, [data-role="comment-first-url"]', '#pjax-container', {
     timeout: 5000
 });
 
+if($('#comment-area').length) {
+
+    $(document).on('scroll', function(){
+        if(!commentLoaded && ($(document).scrollTop() + $(window).height()) > $('#comment-area').offset().top) {
+            commentLoaded = true;
+            $('[data-role="comment-first-url"]').click();
+        }
+    });
+}
+
+
 // 分页后移动到评论框的位置
 $(document).on('pjax:end', function() {
     showComment();