shipping cut show

@@ -33,6 +33,10 @@ const index = uid => {
 
             let goods = theData.goods_list;
 
+            let shopping = theData.shopping_cart_data;
+
+            let packageList = shopping.package_list;
+
             _.forEach(goods, theGoods => {
                 let splitName = theGoods.product_name.split(' ');
 
@@ -55,7 +59,26 @@ const index = uid => {
 
             theData.yoho_coin *= 100; // 有货币稀释
 
-            theData.shopping_cart_data.balanceCoin = theData.use_yoho_coin;
+            shopping.balanceCoin = theData.use_yoho_coin;
+
+            // 拆单后的邮费优惠计算
+            if (packageList) {
+                let shippingOrigin = 0;
+                let shippingCut = 0;
+
+                _.forEach(packageList, i => {
+                    shippingOrigin += (i.shopping_orig_cost >>> 0);
+                    shippingCut += (i.shopping_cut_cost >>> 0);
+                });
+
+                // 对运费的数据进行扩展
+                shippingCut === 0 || Object.assign(
+                    _.filter(shopping.promotion_formula_list, i => i.promotion === '运费'), {
+                        shippingCut: shippingCut,
+                        shippingOrigin: shippingOrigin
+                    }
+                );
+            }
 
             return data;
         }

@@ -183,7 +183,12 @@
                     <ul id="balance-list"  class="balance-list right">
                         {{#each promotion_formula_list}}
                             <li>
-                                <span class="balance-title">{{promotion}}</span>
+                                <span class="balance-title">
+                                    {{promotion}}
+                                    {{#if shippingCut}}
+                                        <em>(原价：{{shippingOrigin}}元，优惠：{{shippingCut}}元)</em>
+                                    {{/if}}
+                                </span>
                                 <span class="balance-cost">{{promotion_amount}}</span>
                             </li>
                         {{/each}}