fix:库存校验空指针

shopping-cart-application-service/src/main/java/cn/freemud/service/impl/ShoppingCartNewServiceImpl.java

@@ -414,9 +414,10 @@ public class ShoppingCartNewServiceImpl implements ShoppingCartNewService {
         requestDto.setProductIds(Collections.singletonList(Long.parseLong(cartGoods.getGoodsId())));
         GetProductStockResponseDto availableStocks = stockClient.getAvailableStocks(requestDto);
         if ((availableStocks != null) && (ResponseCodeConstant.RESPONSE_SUCCESS_STR.equals(availableStocks.getCode()))) {
-            if ((CollectionUtils.isEmpty(availableStocks.getResult())) || (qty > availableStocks.getResult().get(0).getQty())) {
+            if ((CollectionUtils.isEmpty(availableStocks.getResult())) || (availableStocks.getResult().get(0).getQty() != null &&
+                    qty > availableStocks.getResult().get(0).getQty())) {
                 Integer stock = 0;
-                if ((stock = availableStocks.getResult().get(0).getQty()) > 0) {
+                if (availableStocks.getResult().get(0).getQty() != null && (stock = availableStocks.getResult().get(0).getQty()) > 0) {
                     throw new BizServiceException(ResponseResult.SHOPPING_CART_STOCK_NOT_HAVE, "仅剩" + stock + "件库存了");
                 }
                 throw new ServiceException(ResponseResult.SHOPPING_CART_STOCK_NOT_HAVE);
@@ -1218,7 +1219,7 @@ public class ShoppingCartNewServiceImpl implements ShoppingCartNewService {
                 (CollectionUtils.isEmpty(availableStocks.getResult()) || availableStocks.getResult().get(0).getQty() == null
                         || availableStocks.getResult().get(0).getQty() < qty)) {
             Integer stock = 0;
-            if ((stock = availableStocks.getResult().get(0).getQty()) > 0) {
+            if (availableStocks.getResult().get(0).getQty() != null && (stock = availableStocks.getResult().get(0).getQty()) > 0) {
                 throw new BizServiceException(ResponseResult.SHOPPING_CART_STOCK_NOT_HAVE, "仅剩" + stock + "件库存了");
             }
             throw new ServiceException(ResponseResult.SHOPPING_CART_STOCK_NOT_HAVE);