update 特权减免金额不能大于总金额

mec-biz/src/main/java/com/ym/mec/biz/service/impl/StudentRepairServiceImpl.java

@@ -414,12 +414,6 @@ public class StudentRepairServiceImpl extends BaseServiceImpl<Integer, StudentRe
             });
             repairInfo.setGoodsJson(JSONObject.toJSONString(repairGoodsDtos));
         }
-        studentRepairDao.insert(repairInfo);
-        if (repairInfo.getType() == 1) {
-            Map<String, Object> repairInfoMap = new HashMap<>();
-            MapUtil.populateMap(repairInfoMap, repairInfo);
-            return repairInfoMap;
-        }
 
         if (StringUtils.isNoneBlank(repairInfo.getGoodsJson())) {
             JSONArray goods = JSON.parseArray(repairInfo.getGoodsJson());
@@ -436,6 +430,13 @@ public class StudentRepairServiceImpl extends BaseServiceImpl<Integer, StudentRe
             throw new BizException("特权减免金额不能大于总金额");
         }
 
+        studentRepairDao.insert(repairInfo);
+        if (repairInfo.getType() == 1) {
+            Map<String, Object> repairInfoMap = new HashMap<>();
+            MapUtil.populateMap(repairInfoMap, repairInfo);
+            return repairInfoMap;
+        }
+
         repairInfo.setPayStatus(1);
         String channelType = "";
 
@@ -579,6 +580,8 @@ public class StudentRepairServiceImpl extends BaseServiceImpl<Integer, StudentRe
             BigDecimal reduce = repairGoodsDtos.stream().map(e -> e.getGroupPurchasePrice()).reduce(BigDecimal.ZERO, BigDecimal::add);
             amount = amount.add(reduce);
         }
+        amount = amount.subtract(repairInfo.getExemptionAmount());
+
         String orderNo = idGeneratorService.generatorId("payment") + "";
         studentRepair.setIsUseBalancePayment(repairInfo.getIsUseBalancePayment());
         studentRepair.setTransNo(orderNo);