nginx 503 handel

@@ -2,6 +2,15 @@ const _ = require('lodash');
 
 const {YOLUCK_LIST_TYPE, YoLuckService} = require('../models/yoluck-service');
 
+function _handelErrorMessage(e) {
+    if (e && e.statusCode === 503) {
+        e.title = '人数过多。。。';
+        e.message = '目前参与人数过多请点击刷新';
+    }
+
+    return e;
+}
+
 function index(req, res, next) {
     let type = +req.query.type || YOLUCK_LIST_TYPE.running;
     let uid = req.user.uid;
@@ -17,7 +26,7 @@ function index(req, res, next) {
                     `/signin.html?refer=//m.yohobuy.com/activity/yoluck/index.html?type=${YOLUCK_LIST_TYPE.joined}`
                 );
             } else {
-                return next(result.error);
+                return Promise.reject(result.error);
             }
         }
 
@@ -30,8 +39,7 @@ function index(req, res, next) {
             width750: true,
             wechatShare: true
         });
-
-    }).catch(next);
+    }).catch(e => next(_handelErrorMessage(e)));
 }
 
 function nextPage(req, res, next) {
@@ -82,7 +90,7 @@ function detail(req, res, next) {
             wechatShare: true
         });
 
-    }).catch(next);
+    }).catch(e => next(_handelErrorMessage(e)));
 }
 
 

@@ -25,6 +25,33 @@ const forceNoCache = (res) => {
     }
 };
 
+const _err503 = (req, res, code, err) => {
+    res.status(code);
+
+    if (req.xhr) {
+        return res.json({
+            code: err.code,
+            message: err.message || '服务器繁忙请稍后重试！'
+        });
+    }
+
+    return res.render('error/510', {
+        err: err,
+        module: 'common',
+        page: 'error',
+        title: err.title || '服务器繁忙 | Yoho!Buy有货 | 潮流购物逛不停',
+        pageHeader: headerModel.setNav({
+            navTitle: err.title || err.message || '服务器繁忙请稍后重试！'
+        }),
+        showRefresh: {
+            message: err.message,
+            btnName: '刷新重试'
+        },
+        pageFooter: true,
+        isErr: true
+    });
+};
+
 const _err510 = (req, res, code, err) => {
     res.status(code);
 
@@ -194,8 +221,10 @@ exports.serverError = () => {
 
             return res.redirect(checkRefer.replace(replaceKey, req.protocol + '://' + req.get('host') + req.originalUrl));
 
-        } else if (err.code === 9999991 || err.code === 9999992 || +err.statusCode === 503) {
+        } else if (err.code === 9999991 || err.code === 9999992) {
             return _err510(req, res, 510, err);
+        } else if (+err.statusCode === 503) {
+            return _err503(req, res, 510, err);
         }
 
         if (!res.headersSent) {

 <div class="err-page yoho-page">
-    <div class="err-bg"></div>
+    <div class="err-bg {{#if showRefresh}}err-refresh{{/if}}">
+        {{#showRefresh}}
+            <div class="refresh-wrap">
+                <p class="refresh-msg">{{message}}</p>
+                <a class="refresh-btn" href="javascript:void(0)" onclick="location.reload()" >{{btnName}}</a>
+            </div>
+        {{/showRefresh}}
+    </div>
 </div>

@@ -10,4 +10,31 @@
         background: url("img/common/404.png") no-repeat;
         background-size: 100% 100%;
     }
+
+    .err-refresh {
+        margin-top: -250px;
+    }
+
+    .refresh-wrap {
+        width: 460px;
+        position: absolute;
+        left: 50%;
+        top: 100%;
+        margin-left: -230px;
+        text-align: center;
+
+        .refresh-msg {
+            line-height: 1.4;
+            padding: 20px 0;
+        }
+
+        .refresh-btn {
+            width: 200px;
+            line-height: 60px;
+            background-color: #414141;
+            display: block;
+            color: #fff;
+            margin: 10px auto;
+        }
+    }
 }