code review by fei.hong: do format coupon list codes

@@ -464,36 +464,37 @@ class UserModel
     public static function getCouponData($uid, $status, $page)
     {
         $result = array();
-
-        // 调用接口获取优惠券数据
-        $coupons = UserData::couponData($uid, $status, $page);
-
-        // 没有获取到优惠券时
-        if (!$coupons) {
-            $result['noRecord'] = true;
-
-            return $result;
-        }
-
-        // 处理优惠券数据
-        if (isset($coupons['data'])) {
-
-            // 不能再查到结果了
-            if ($page == 1 && $coupons['data']['total'] === 0) {
+        
+        do {
+            // 调用接口获取优惠券数据
+            $coupons = UserData::couponData($uid, $status, $page);
+        
+            // 没有获取到优惠券时
+            if (empty($coupons)) {
                 $result['noRecord'] = true;
-            } else {
-                $couponArr = array();
-                isset($coupons['data']['info']) && $couponArr = $coupons['data']['info'];
+                break;
+            }
 
-                foreach ($couponArr as &$val) {
-                    // 处理已使用的优惠券
-                    if ($status == 1) {
-                        $val['used'] = true;
-                    }
+            if ($page == 1 && isset($coupons['data']['total']) && $coupons['data']['total'] === 0) {
+                $result['noRecord'] = true;
+                break;
+            }
+            
+            // 判断是否有优惠券
+            if (empty($coupons['data']['info'])) {
+                break;
+            }
+            
+            // 处理已使用的优惠券
+            if ($status == 1) {
+                foreach ($coupons['data']['info'] as &$value) {
+                    $value['used'] = true;
                 }
-                !empty($couponArr) && $result['coupons'] = $couponArr;
             }
+            
+            $result['coupons'] = $coupons['data']['info'];
         }
+        while (false);
 
         return $result;
     }