Merge branch 'feature/coupon' into release/180420

@@ -111,7 +111,7 @@ class BuyNowController {
                     }
                 });
 
-                if (autoSelectCouponCodeStr) {
+                if (!orderInfo.coupon_code && autoSelectCouponCodeStr) {
                     orderInfo.coupon_code = autoSelectCouponCodeStr;
                     res.cookie('order-info', JSON.stringify(orderInfo), actCkOpthn);
                 }

@@ -100,7 +100,7 @@ exports.orderEnsure = (req, res, next) => {
             }
         }
 
-        if (autoSelectCouponCodeStr) {
+        if (!orderInfo.coupon_code && autoSelectCouponCodeStr) {
             orderInfo.coupon_code = autoSelectCouponCodeStr;
             res.cookie('order-info', JSON.stringify(orderInfo), actCkOpthn);
         }

@@ -79,7 +79,10 @@ class cartModel extends global.yoho.BaseModel {
         return Promise.all([
             cartPayAPI, // 0. 订单数据
             orderComputeAPI,
-            this.ctx.req.ctx(shoppingModel).getValidCouponCount(params.uid), // 2. 有效优惠券
+            this.ctx.req.ctx(shoppingModel).getValidCouponCount({
+                uid: params.uid,
+                delivery_way: orderInfoCookie.deliveryId
+            }), // 2. 有效优惠券
             this.ctx.req.ctx(shoppingModel).countUsableGiftCard(params.uid) // 3 可用礼品卡数量
         ]).then(res => {
             let pay = res[0];

@@ -234,10 +234,11 @@ class shoppingModel extends global.yoho.BaseModel {
      *  @param uid int 用户uid
      *  @return see doc
      */
-    getValidCouponCount(uid) {
+    getValidCouponCount(params) {
         let param = {
             method: 'app.Shopping.countUsableCoupon',
-            uid
+            uid: params.uid,
+            delivery_way: params.delivery_way
         };
 
         return this.get({data: param});
@@ -268,7 +269,7 @@ class shoppingModel extends global.yoho.BaseModel {
      */
     useCoupon(uid, couponCode) {
         let param = {
-            method: 'app.Shopping.useCoupon',
+            method: 'app.coupons.bindPCoupon',
             coupon_code: couponCode,
             uid
         };