修复结算页选择优惠券是否可用逻辑判断错误的bug

Code Review By Rock Zhang

@@ -547,25 +547,20 @@ class CartModel
         // 调用接口获取优惠券数据
         $coupons = CartData::getCouponList($uid);
 
-        // 处理优惠券数据
-        if (isset($coupons['data'])) {
-
+        do {
             if ($onlyTotal) {
                 $result['count'] = count($coupons['data']['couponList']);
-            } else {
-                $couponArr = array();
-                isset($coupons['data']['couponList']) && $couponArr = $coupons['data']['couponList'];
-
-                foreach ($couponArr as &$val) {
-                    $notAvailableRes = self::searchCoupon($uid, $val['couponCode']);
-                    // 处理可用的优惠券
-                    if (isset($notAvailableRes['code']) && $notAvailableRes['code'] !== 200) {
-                        $val['notAvailable'] = true;
-                    }
+                break;
+            }
+
+            if (isset($coupons['data']['couponList'])) {
+                foreach ($coupons['data']['couponList'] as &$val) {
+                    $val['notAvailable'] = $val['isValidity'] === 'N';
                 }
-                !empty($couponArr) && $result = $couponArr;
+
+                $result = $coupons['data']['couponList'];
             }
-        }
+        }while(0);
 
         return $result;
     }