improvements

src/main/java/com/example/afrishop_v3/controllers/OrderController.java

@@ -75,6 +75,7 @@ public class OrderController extends Controller {
         record.setCartRecordId(IdUtil.createIdbyUUID());
         record.setItemSku(itemSku);
         record.setItemSkuId(itemSkuId);
+        record.setItemCount( item.getItemCount() == null ? 0 : item.getItemCount().intValue());
         record.setTemplate(item.getExpress());
         record.setItemTitle(item.getItemName());
         record.setItemPrice(price);
@@ -109,8 +110,9 @@ public class OrderController extends Controller {
         Optional<TbCfExpressTemplate> templateOptional = templateRepository.findFirstByIsDefault(1);
         templateOptional.ifPresent(order::setDefaultTemplate);
 
+        int code = ResultCodeEnum.SERVICE_ERROR.getCode();
         if (StringUtils.isBlank(itemId) || itemNum == null || itemNum <= 0 || itemSkuId == null || itemSkuId.trim().isEmpty())
-            return new Result<>(ResultCodeEnum.SERVICE_ERROR.getCode(), "Missing information !");
+            return new Result<>(code, "Missing information !");
 
         Optional<TbCfStationItem> byId = itemRepository.findById(itemId);
 
@@ -118,11 +120,11 @@ public class OrderController extends Controller {
 
 
         if (!byId.isPresent())
-            return new Result<>(ResultCodeEnum.SERVICE_ERROR.getCode(), "Item not found !");
+            return new Result<>(code, "Item not found !");
 
 
         if (!skuOptional.isPresent())
-            return new Result<>(ResultCodeEnum.SERVICE_ERROR.getCode(), "Sku not found !");
+            return new Result<>(code, "Sku not found !");
 
         TbCfStationItem item = byId.get();
 
@@ -131,6 +133,13 @@ public class OrderController extends Controller {
         BigDecimal orderPrice = itemSkus.getSkuPrice().multiply(new BigDecimal(itemNum));
         Map<String, Object> map = queryUserAvailableCoupons(orderPrice);
         list.add(getCart(item, itemSku, itemNum, itemSkus.getSkuPrice(), itemSkuId, itemSkus.getSkuImg()));
+
+        //Check that one of items in the cart run out of stock
+        //Check whether the inventory is greater than the purchased quantity before placing an order
+        boolean anyMatch = list.stream().anyMatch(TbCfCartRecordR::isOutOfStock);
+
+        if( anyMatch ) return new Result<>(code, "Items run out of stock");
+
         order.setCouponId(toitableId);
 
         if (toitableId != null && !toitableId.isEmpty()) {

src/main/java/com/example/afrishop_v3/models/TbCfCartRecordR.java

@@ -115,6 +115,10 @@ public class TbCfCartRecordR {
         this.itemSkuId = itemSkuId;
     }
 
+    public void setItemCount(Integer itemCount) {
+        this.itemCount = itemCount;
+    }
+
     public void setItemImg(String itemImg) {
         this.itemImg = itemImg;
     }