wechat-pay-asyn

-/**
+/*
  * 支付
- * @author: jing.li<jing.li@yoho.cn>
- * @date: 2016/10/25
+ * @Author: Targaryen
+ * @Date: 2017-01-04 15:17:51
+ * @Last Modified by: Targaryen
+ * @Last Modified time: 2017-01-04 17:59:37
  */
 
 'use strict';
@@ -94,6 +96,7 @@ const goAlipay = (req, res, next) => {
     let uid = req.user.uid;
     let sessionKey = req.session.TOKEN;
     let payment = req.query.payment;
+    let openId = req.session['weixinOpenId' . orderCode];
 
     if (!orderCode || !uid || !sessionKey) {
         res.redirect('/');
@@ -122,7 +125,10 @@ const goAlipay = (req, res, next) => {
             }).redirect(url);
         }
 
-        Payment.pay(user, orderDetail.data, payment, req.protocol).then(result => {
+        Payment.pay(user, orderDetail.data, payment, {
+            protocol: req.protocol,
+            openId: openId
+        }).then(result => {
             if (result && result.data && result.data.href) {
                 res.redirect(result.data.href);
             } else {

@@ -2,7 +2,7 @@
  * @Author: Targaryen
  * @Date: 2017-01-03 17:42:41
  * @Last Modified by: Targaryen
- * @Last Modified time: 2017-01-04 14:54:47
+ * @Last Modified time: 2017-01-04 18:19:06
  */
 
 'use strict';
@@ -12,6 +12,7 @@ const _ = require('lodash');
 const logger = global.yoho.logger;
 const rp = require('request-promise');
 const Promise = require('bluebird');
+const co = Promise.coroutine;
 
 /**
  * 微信支付相关工具类
@@ -36,6 +37,23 @@ const tools = {
     },
 
     /**
+     * 生成指定长度的随机字符串
+     */
+    createRandomString(len) {
+        let strlen = len || 32;
+        let originString = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+        let resultString = '';
+
+        for (let i = 0; i < strlen; i++) {
+            let position = parseInt(100 * Math.random(), 0) % 62;
+
+            resultString += originString.slice(position - 1, position);
+        }
+
+        return resultString;
+    },
+
+    /**
      * 构造获取code的url连接
      */
     createOauthUrlForCode(redirectUrl) {
@@ -88,22 +106,72 @@ const tools = {
         }).catch(err => {
             logger.error(err);
         });
+    },
+
+    /**
+     * 微信统一下单接口
+     */
+    unifiedOrder(params) {
+        let unifiedParams = {
+            appid: WxPayConfig.APPID,
+            mch_id: WxPayConfig.MCHID,
+            device_info: 'WEB',
+            nonce_str: tools.createRandomString(),
+            body: '有货订单号:' + params.orderCode,
+            out_trade_no: 'YOHOBuy_' + params.orderCode,
+            total_fee: params.totalFee,
+            trade_type: 'JSAPI',
+            openid: params.openId,
+            sign: '', // TODO 签名算法
+            sign_type: 'MD5',
+        };
     }
 };
 
 // TODO 微信支付
 const Wechat = {
+    /**
+     * 支付中心微信支付相关处理
+     */
     getOpenid(code, originalUrl) {
         if (!code) {
             let baseUrl = 'http://m.yohobuy.com' + originalUrl;
             let redirectUrl = tools.createOauthUrlForCode(baseUrl);
 
-            return Promise.resolve({redirectUrl: redirectUrl});
+            return Promise.resolve({ redirectUrl: redirectUrl });
         } else {
             return tools.getOpenidFromMp(code).then(openid => {
-                return {openid: openid};
+                return { openid: openid };
             });
         }
+    },
+
+    /**
+     * 异步拉起微信支付相关处理
+     */
+    pay(user, order, openId) {
+        co(function* () {
+            let unifiedOrderResult = yield tools.unifiedorder({
+                orderCode: order.order_code,
+                totalFee: parseFloat(order.payment_amount),
+                openId: openId
+            });
+
+            if (unifiedOrderResult) {
+                let nonceStr = tools.createRandomString();
+
+                return {
+                    appId: unifiedOrderResult.appid,
+                    timeStamp: Date.parse(new Date()),
+                    nonceStr: nonceStr,
+                    package: 'prepay_id=' + unifiedOrderResult.prepay_id,
+                    signType: 'MD5',
+                    paySign: '' // TODO 签名算法
+                };
+            } else {
+                return {};
+            }
+        })();
     }
 };
 

@@ -16,7 +16,12 @@ const co = Promise.coroutine;
 const logger = global.yoho.logger;
 
 const Payment = {
-    pay(user, order, payType, protocol) {
+
+    /**
+     * 统一支付入口
+     * reqParams: 需要从 controller 传递的参数，支付宝需要 req.protocol，微信需要 openId
+     */
+    pay(user, order, payType, reqParams) {
         return co(function*() {
             let result = {
                 code: 400,
@@ -48,8 +53,7 @@ const Payment = {
             let method = paymentPars[0] * 1;
 
             if (method === PayModel.payments.wechat) {
-                // 如果是微信支付，不需要调用获取支付方式详情接口
-                result = yield Wechat.pay(user, order, { id: PayModel.payments.wechat });
+                result = yield Wechat.pay(user, order);
             } else {
                 payInfo = yield PayModel.getPaymentInfo(method);
 
@@ -59,12 +63,12 @@ const Payment = {
 
                 switch (payInfo.id) {
                     case PayModel.payments.alipay:
-                        result = Alipay.pay(user, order, payInfo, protocol);
+                        result = Alipay.pay(user, order, payInfo, reqParams.protocol);
                         break;
                     case PayModel.payments.alibank:
                         bankCode = paymentPars[1];
                         payInfo.bankCode = bankCode; // 设置默认银行
-                        result = Alibank.pay(user, order, payInfo, protocol);
+                        result = Alibank.pay(user, order, payInfo, reqParams.protocol);
                         break;
                     default:
                         break;

@@ -27,10 +27,7 @@ const payments = {
 const _getBanner = (param) => {
     return serviceAPI.get('operations/api/v5/resource/get', {
         content_code: param.contentCode
-    }, {
-        code: 200
-    }).then((result) => {
-
+    }, { code: 200 }).then((result) => {
         result = result.data;
 
         return result;
@@ -46,10 +43,7 @@ const _getOthersBuy2 = (param) => {
         rec_pos: '100005',
         limit: 2,
         client_id: param.client_id
-    }, {
-        code: 200
-    }).then((result) => {
-
+    }, { code: 200 }).then((result) => {
         if (result && result.data && result.data.product_list) {
             return productProcess.processProductList(result.data.product_list);
         }
@@ -64,12 +58,8 @@ const _getOtherDetail = (param) => {
         uid: param.uid,
         order_code: param.orderCode,
         session_key: param.sessionKey
-    }, {
-        code: 200
-    }).then((result) => {
-
+    }, { code: 200 }).then(result => {
         return result;
-
     });
 };
 
@@ -98,7 +88,7 @@ const _getOthersBuy = (param) => {
  * @param id
  */
 const getBankByOrder = (id) => {
-    return co(function*() {
+    return co(function* () {
         let result = yield payApi.getBankByOrder(id);
 
         if (result && result.code === 200 && result.data) {
@@ -115,7 +105,7 @@ const getBankByOrder = (id) => {
  * @param bankCode
  */
 const setOrderPayBank = (code, payment, bankCode) => {
-    return co(function*() {
+    return co(function* () {
         let data = yield payApi.setOrderPayBank(code, payment, bankCode);
 
         return data;
@@ -127,7 +117,7 @@ const setOrderPayBank = (code, payment, bankCode) => {
  * @param id
  */
 const getPaymentInfo = (id) => {
-    return co(function*() {
+    return co(function* () {
         let result = yield payApi.getPaymentInfo(id);
 
         if (result && result.code === 200 && result.data) {
@@ -144,7 +134,7 @@ const getPaymentInfo = (id) => {
  * @param uid
  */
 const sendPayConfirm = (code, payment, uid) => {
-    return co(function*() {
+    return co(function* () {
         let data = yield payApi.sendPayConfirm(code, payment, uid);
 
         return data;
@@ -174,7 +164,7 @@ const updateOrderPayment = (code, payment, uid) => {
  * @param bankCode
  */
 const updateOrderPayBank = (code, payment, bankCode) => {
-    return co(function*() {
+    return co(function* () {
         let data = yield payApi.updateOrderPayBank(code, payment, bankCode);
 
         return data;
@@ -188,7 +178,7 @@ const updateOrderPayBank = (code, payment, bankCode) => {
  * @param sessionKey
  */
 const procOrderData = (payResult, uid, sessionKey) => {
-    return co(function*() {
+    return co(function* () {
         let orderCode = payResult.orderCode;
         let result = { code: 400, message: '' };
 

@@ -110,6 +110,7 @@ module.exports = {
     },
     WxPayConfig: {
         APPID: 'wx75e5a7c0c88e45c2',
+        MCHID: '1227694201',
         APPSECRET: 'ce21ae4a3f93852279175a167e54509b'
     }
 };

@@ -88,9 +88,10 @@ function callpay(orderCode) {
     } else {
         $.ajax({
             type: 'GET',
-            url: '/shopping/pay/wechatwapapi',
+            url: '/cart/index/new/pay/goalipay',
             data: {
-                order_code: orderCode
+                order_code: orderCode,
+                payment: '22_platform',
             },
             dataType: 'json',
             success: function(res) {