Merge branch 'release/4.6' of git.yoho.cn:fe/yohobuywap-node into release/4.6

@@ -15,6 +15,30 @@ const Timer = require('./timer');
 const config = require('../config/common');
 const api = config.domains.api;
 const serviceApi = config.domains.service;
+const searchApi = config.domains.search;
+
+// 错误返回
+const API_BAD_RETSULT = {
+    code: 500,
+    message: 'API result is not JSON string or null.'
+};
+
+// 调用失败
+const API_CALL_FAIL = {
+    code: 500,
+    message: 'Call API failed.'
+};
+
+// all 方法错误的传参
+const API_ALL_METHOD_ERROR = 'the parameters of api all method should be Array!';
+
+// 获取缓存数据失败
+const SLAVE_CACHE_FAIL = 'get slave cache fail';
+const MASTER_CACHE_FAIL = 'get master cache fail';
+
+// 获取缓存数据成功
+const SLAVE_CACHE_SUCCESS = 'get slave cache success';
+const MASTER_CACHE_SUCCESS = 'get master cache success';
 
 class Http {
 
@@ -36,18 +60,14 @@ class Http {
         const timer = new Timer();
         const method = options.method || 'get';
 
-        log.info(`${method} api: ${options.url}?${qs.stringify(options.qs)}`);
         timer.put('getApi');// 统计时间开始
         return rp(options).then((result) => {
             const duration = timer.put('getApi');// 统计时间结束
 
             // 数据校验
-            if (!result || !result.code) {
-                log.error('error: 接口返回的数据结构错误，非 JSON');
-                return Promise.reject({
-                    statusCode: 500,
-                    message: '接口返回内容格式错误'
-                });
+            if (!result) {
+                log.error(`error: ${API_BAD_RETSULT.message}`);
+                return Promise.reject(API_BAD_RETSULT);
             }
 
             // 写缓存, 否则返回 Slave 缓存服务器的数据
@@ -62,7 +82,7 @@ class Http {
                 cache.setSlave(`apiCache:${reqId}`, result, 86400).catch(catchErr); // 二级缓存存储一天
             }
 
-            log.info(`get api success: use: ${duration}ms`);
+            log.info(`use: ${duration}ms for ${method} api: ${options.url}?${qs.stringify(options.qs)} `);
             return result;
         }).catch((err)=> {
             const duration = timer.put('getApi');// 统计时间结束
@@ -74,10 +94,7 @@ class Http {
             if (config.useCache && cacheOption) {
                 return this._requestFromCache(options, true);
             }
-            return Promise.resolve({
-                code: 500,
-                message: '接口调用失败'
-            });
+            return Promise.resolve(API_CALL_FAIL);
         });
     }
 
@@ -97,7 +114,7 @@ class Http {
                 try {
                     result = JSON.parse(result);
                 } finally {
-                    log.info(slave ? 'get slave cache success' : 'get master cache success');
+                    log.info(slave ? SLAVE_CACHE_SUCCESS : MASTER_CACHE_SUCCESS);
                     return result;
                 }
             }
@@ -107,17 +124,14 @@ class Http {
                 return this._requestFromAPI(options, true, reqId);
             }
         }).catch(() => {
-            log.error(slave ? 'get slave cache fail' : 'get master cache fail');
+            log.error(slave ? SLAVE_CACHE_FAIL : MASTER_CACHE_FAIL);
 
             // 读取缓存失败，并且不是二级缓存的时候，调用 API
             if (!slave) {
                 return this._requestFromAPI(options, true, reqId);
             }
 
-            return Promise.resolve({
-                code: 500,
-                message: '接口调用失败'
-            });
+            return Promise.resolve(API_CALL_FAIL);
         });
     }
 
@@ -133,6 +147,7 @@ class Http {
             url: `${this.ApiUrl}${url}`,
             qs: data,
             json: true,
+            gzip: true,
             timeout: 3000
         };
 
@@ -165,7 +180,7 @@ class Http {
         if (_.isArray(list)) {
             return Promise.all(list);
         } else {
-            return Promise.reject(Error('the parameters of api all method should be Array!'));
+            return Promise.reject(Error(API_ALL_METHOD_ERROR));
         }
     }
 }
@@ -182,5 +197,12 @@ class ServiceAPI extends Http {
     }
 }
 
+class SearchAPI extends Http {
+    constructor() {
+        super(searchApi);
+    }
+}
+
 exports.API = API;
 exports.ServiceAPI = ServiceAPI;
+exports.SearchAPI = SearchAPI;