微信支付校验

src/main/java/com/gogirl/application/order/serve/impl/PayServiceImpl.java

@@ -66,6 +66,9 @@ public class PayServiceImpl implements PayService {
             throw new RRException("订单状态异常");
         }
 
+        this.checkCustomerBalance(currentCustomerId, orderId);
+
+
         /*1、扣除余额*/
         ConsumerCommand consumerCmd = ConsumerCommand.builder()
                 .amount(orderManage.getTotalPaymentAmount().multiply(new BigDecimal(100)).intValue())
@@ -136,6 +139,22 @@ public class PayServiceImpl implements PayService {
 
     }
 
+    private void checkCustomerBalance(Integer customerId, Integer orderId) throws RRException {
+        OrderManage orderManage = orderManageService.getById(orderId);
+        CustomerBalance customerBalance = customerBalanceMapper.selectOne(new LambdaQueryWrapper<CustomerBalance>().eq(CustomerBalance::getCustomerId, customerId));
+
+        if (customerBalance == null) {
+            throw new RRException("您不是会员，请直接使用pos支付");
+        }
+        if (orderManage.getTotalPaymentAmount().multiply(new BigDecimal(100)).intValue() < customerBalance.getBalance()) {
+            throw new RRException("请使用余额支付");
+        }
+        if (customerBalance.getBalance() <= 0) {
+            throw new RRException("余额为0，请直接使用pos支付");
+        }
+    }
+
+
     @Override
     public WxPayMpOrderResult balanceWxPay(BalanceWxPayQuery qry) throws UnknownHostException, WxPayException {
 
@@ -146,15 +165,9 @@ public class PayServiceImpl implements PayService {
         }
 
         //2、余额检查
-        CustomerBalance customerBalance = customerBalanceMapper.selectOne(new LambdaQueryWrapper<CustomerBalance>().eq(CustomerBalance::getCustomerId, orderManage.getOrderUser()));
-
-        if (customerBalance == null) {
-            throw new RRException("余额不存在");
-        }
+        this.checkCustomerBalance(qry.getCustomerId(), qry.getOrderId());
+        CustomerBalance customerBalance = customerBalanceMapper.selectOne(new LambdaQueryWrapper<CustomerBalance>().eq(CustomerBalance::getCustomerId, qry.getCustomerId()));
 
-        if (orderManage.getTotalPaymentAmount().multiply(new BigDecimal(100)).intValue() < customerBalance.getBalance()) {
-            throw new RRException("请使用余额支付");
-        }
 
         //3、微信统一下单
         BigDecimal leftTotalPaymentAmount = orderManage.getTotalPaymentAmount().subtract(new BigDecimal(customerBalance.getBalance()).divide(new BigDecimal(100), 2, BigDecimal.ROUND_HALF_UP));
@@ -193,12 +206,8 @@ public class PayServiceImpl implements PayService {
             throw new RRException("订单状态异常");
         }
 
-        //2、余额检查
         CustomerBalance customerBalance = customerBalanceMapper.selectOne(new LambdaQueryWrapper<CustomerBalance>().eq(CustomerBalance::getCustomerId, currentCustomerId));
-        if (orderManage.getTotalPaymentAmount().multiply(new BigDecimal(100)).intValue() < customerBalance.getBalance()) {
-            throw new RRException("请使用余额支付");
-        }
-
+        this.checkCustomerBalance(currentCustomerId, orderId);
 
         //3、更新订单
         //支付类型：请余额pos支付