优化

@@ -22,12 +22,8 @@ const indexModel = require('../models/index');
  * @param next
  */
 const index = async function(req, res, next) {
-
-    let userAgent = req.get('User-Agent');
-    let {uid, app_version, app_client_type, session_key, e_id} = req.query;
-    let isMiniApp = /miniprogram/i.test(userAgent) || false;
-    let isApp = /yohobuy/i.test(userAgent) || false;
-    let appSessionType = app_client_type || 'h5';
+    let {e_id} = req.query;
+    let isApp = req.yoho.isApp;
 
     /**
      * 用于渲染错误结果页面
@@ -49,7 +45,7 @@ const index = async function(req, res, next) {
     }
 
     // 如果不在小程序或app中打开则返回
-    if (!isMiniApp && !isApp) {
+    if (!isApp) {
         return renderErroPage({msg: WRONG_INVIROMENT});
     }
 
@@ -58,52 +54,29 @@ const index = async function(req, res, next) {
         return renderErroPage({msg: NO_MAGAZINE_ID});
     }
 
-    if (isMiniApp) {
-        appSessionType = 'miniapp';
-    } else if (isApp) {
-        if (/i(phone|pad|pod)/i.test(userAgent)) {
-            appSessionType = 'iphone';
-        } else {
-            appSessionType = 'android';
-        }
-    }
-
-    let user_id = {};
-
     // 查看session中是否有登录信息
-    if (req.user.uid) {
-        user_id = {
-            toString: () => {
-                return req.user.uid.toString();
-            },
-            appVersion: req.user.uid.appVersion || global.yoho.config.appVersion,
-            sessionKey: req.user.uid.sessionKey,
-            appSessionType: req.user.uid.appSessionType || appSessionType
-        };
-    } else { // session中没有都情况下查看url参数中有没有登录信息
-        if (!uid || !session_key) {
+
+    if (!req.user.uid || !req.user.uid.toString() || !req.user.uid.session_key) {
         return res.redirect(`//m.yohobuy.com/magazine/${e_id}.html`);
-        } else {
-            let intUid = parseInt(uid, 10);
-
-            user_id = {
-                toString: () => {
-                    return intUid ? intUid : 0;
-                },
-                appVersion: app_version || global.yoho.config.appVersion,
-                sessionKey: session_key,
-                appSessionType: app_client_type || appSessionType
-            };
-        }
     }
 
-    let magazineInfo = await req.ctx(indexModel).getMagazineInfo(user_id, e_id).catch(next);
+    // 通过接口获取到杂志对应的实际的url，并进行处理
+    let magazineInfo = await req.ctx(indexModel).getMagazineInfo(req.user.uid, e_id).catch(next);
+
+    console.log(magazineInfo);
 
     if (magazineInfo && magazineInfo.code === 200 && magazineInfo.data) {
-        let code = magazineInfo.data.code; // 4000:获取成功 4001: 未购买该电子刊 4002：未获取到电子刊 4003：电子刊已删除
+        let code = magazineInfo.data.code;
+
+        // 4000:获取成功 4001: 未购买该电子刊 4002：未获取到电子刊 4003：电子刊已删除
 
         if (code === 4000) {
             let url = magazineInfo.data.link;
+
+            if (!url) {
+                return renderErroPage({msg: '杂志地址获取失败'});
+            }
+
             let resourceUrl = url.substring(0, url.lastIndexOf('/') + 1);
 
             superAgent.get(url).end(function(err, response) {
@@ -114,6 +87,7 @@ const index = async function(req, res, next) {
                 let $ = cheerio.load(response.text);
                 let idMatch = response.text.match(/id="(.*)_hype_container"/);
 
+                // HYPE生成的html有其固定格式的div id,此处获取的也是这个hype创建时的名称，此名称对应插入的js
                 if (idMatch && idMatch.length >= 2) {
                     let name = idMatch[1];
                     let id = `${name}_hype_container`;
@@ -121,6 +95,7 @@ const index = async function(req, res, next) {
 
                     let scriptSrc = script.match(/src="(.*)"/);
 
+                    // 获取到对应div里面的script的src，并替换成带有域名的地址，可以让所有图片地址指向js对应的域名
                     if (scriptSrc && scriptSrc.length >= 2) {
                         let src = scriptSrc[1];
                         let newScript = '<script type="text/javascript" charset="utf-8" src="' +
@@ -128,7 +103,7 @@ const index = async function(req, res, next) {
 
                         $(`#${id}`).html(newScript);
 
-                        return res.send($.html());
+                        return res.send($.html()); // 输出修改过的html
                     } else {
                         return renderErroPage({msg: NO_HYPE_SCRIPT});
                     }

@@ -13,7 +13,8 @@ class indexModel extends global.yoho.BaseModel {
         return this.get({
             data: {
                 method: 'app.eBook.queryLinkByEIdAndUserId',
-                user_id: uid,
+                uid,
+                user_id: uid.toString(),
                 e_id: eid,
                 type: 1 // 传type的情况下才能拿到杂志url
             }