Merge branch 'feature/qps' of git.yoho.cn:fe/yohobuy-node into feature/qps

@@ -11,7 +11,8 @@ const _ = require('lodash');
 const api = global.yoho.API;
 const serviceApi = global.yoho.ServiceAPI;
 const helpers = global.yoho.helpers;
-
+const keyPrefix = 'COMMON_HEADER_';
+const cache = global.yoho.cache;
 /**
  * 获取菜单
  * @param undefined
@@ -214,31 +215,36 @@ const getHeaderNavAsync = () => {
  * @param {String} 频道类型
  * @return {promise}
  */
-exports.requestHeaderData = (type) => {
+async function requestHeaderData(type) {
     let resData = {};
 
     type = type || 'boys';
+    let headerKey = `${keyPrefix}${type}`;
+
+    let header = await cache.get(headerKey);
+
+    if (!header) {
+        let channelNum = (function() {
+            switch (type) {
+                case 'boys':
+                    return 1;
+                case 'girls':
+                    return 2;
+                case 'kids':
+                    return 3;
+                case 'lifestyle':
+                    return 4;
+                default:
+                    return 1;
+            }
+        }());
 
-    let channelNum = (function() {
-        switch (type) {
-            case 'boys':
-                return 1;
-            case 'girls':
-                return 2;
-            case 'kids':
-                return 3;
-            case 'lifestyle':
-                return 4;
-            default:
-                return 1;
-        }
-    }());
+        let res = await Promise.all([
+            getHeaderNavAsync(),
+            getHotSearchAsync(channelNum)
 
-    return Promise.all([
-        getHeaderNavAsync(),
-        getHotSearchAsync(channelNum)
+        ]);
 
-    ]).then(res => {
         resData.headerData = {};
 
         if (res[0] && res[0].data) {
@@ -258,6 +264,16 @@ exports.requestHeaderData = (type) => {
             });
         }
 
-        return resData;
-    });
+        if (res[0] && res[0].data && res[1] && res[1].data) {
+            cache.set(headerKey, resData, 300);
+        }
+    } else {
+        resData = JSON.parse(header);
+    }
+
+    return resData;
 };
+
+module.exports = {
+    requestHeaderData
+}