From 1d9cfc91e7255b9e139b20ff230cb19246f19193 Mon Sep 17 00:00:00 2001
From: 云 <2163098428@qq.com>
Date: 星期一, 09 十一月 2026 14:32:11 +0800
Subject: [PATCH] refactor(erp): 重构ERP单据单号生成逻辑以支持冲突重试

---
 yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java |   48 ++++++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 46 insertions(+), 2 deletions(-)

diff --git a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java
index 3a81eae..c7a0d9d 100644
--- a/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java
+++ b/yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java
@@ -21,6 +21,8 @@
 import java.util.List;
 
 import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.erp.enums.ErrorCodeConstants.PURCHASE_ORDER_ITEM_RETURN_FAIL_IN_EXCEED;
 
 /**
  * ERP 閲囪喘璁㈠崟 API 瀹炵幇绫�
@@ -37,6 +39,9 @@
 
     @Resource
     private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
+
+    @Resource
+    private cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper purchaseOrderMapper;
 
     @Override
     public CommonResult<ErpPurchaseOrderRespDTO> getPurchaseOrder(Long id) {
@@ -101,6 +106,36 @@
     }
 
     @Override
+    public CommonResult<Boolean> updateOrderItemReturnCount(Long orderItemId, BigDecimal returnCount) {
+        if (orderItemId == null || returnCount == null) {
+            return success(false);
+        }
+        ErpPurchaseOrderItemDO item = purchaseOrderItemMapper.selectById(orderItemId);
+        if (item == null) {
+            return success(false);
+        }
+        // 绱姞閫�璐ф暟閲�
+        BigDecimal oldReturnCount = item.getReturnCount() != null ? item.getReturnCount() : BigDecimal.ZERO;
+        BigDecimal newReturnCount = oldReturnCount.add(returnCount);
+        BigDecimal inCount = item.getInCount() != null ? item.getInCount() : BigDecimal.ZERO;
+        if (returnCount.compareTo(BigDecimal.ZERO) <= 0 || newReturnCount.compareTo(inCount) > 0) {
+            throw exception(PURCHASE_ORDER_ITEM_RETURN_FAIL_IN_EXCEED,
+                    "浜у搧ID:" + item.getProductId(), inCount);
+        }
+        purchaseOrderItemMapper.updateById(new ErpPurchaseOrderItemDO()
+                .setId(orderItemId)
+                .setReturnCount(newReturnCount));
+        // 鍚屾鏇存柊璁㈠崟绾ч��璐ф暟閲忥細鎸夎鍗曚笅鎵�鏈夋槑缁嗙殑閫�璐ф暟閲忔眰鍜岋紝閬垮厤鍙紶鍗曟潯鎶婂叾瀹冭娓呴浂
+        BigDecimal totalReturnCount = purchaseOrderItemMapper.selectListByOrderId(item.getOrderId()).stream()
+                .map(orderItem -> orderItem.getReturnCount() != null ? orderItem.getReturnCount() : BigDecimal.ZERO)
+                .reduce(BigDecimal.ZERO, BigDecimal::add);
+        purchaseOrderMapper.updateById(new ErpPurchaseOrderDO()
+                .setId(item.getOrderId())
+                .setReturnCount(totalReturnCount));
+        return success(true);
+    }
+
+    @Override
     public CommonResult<Boolean> updateOrderInStatus(Long orderId) {
         if (orderId == null) {
             return success(false);
@@ -111,11 +146,20 @@
 
     @Override
     public CommonResult<Long> createPurchaseOrder(ErpPurchaseOrderCreateReqDTO createReqDTO) {
+        return success(purchaseOrderService.createPurchaseOrder(buildSaveReqVO(createReqDTO)));
+    }
+
+    @Override
+    public CommonResult<Long> createPurchaseOrderDraft(ErpPurchaseOrderCreateReqDTO createReqDTO) {
+        return success(purchaseOrderService.createPurchaseOrder(buildSaveReqVO(createReqDTO), false));
+    }
+
+    private ErpPurchaseOrderSaveReqVO buildSaveReqVO(ErpPurchaseOrderCreateReqDTO createReqDTO) {
         ErpPurchaseOrderSaveReqVO saveReqVO = BeanUtils.toBean(createReqDTO, ErpPurchaseOrderSaveReqVO.class);
         if (createReqDTO.getItems() != null) {
             saveReqVO.setItems(BeanUtils.toBean(createReqDTO.getItems(), ErpPurchaseOrderSaveReqVO.Item.class));
         }
-        return success(purchaseOrderService.createPurchaseOrder(saveReqVO));
+        return saveReqVO;
     }
 
     @Override
@@ -134,4 +178,4 @@
         return success(BeanUtils.toBean(items, ErpPurchaseOrderItemRespDTO.class));
     }
 
-}
\ No newline at end of file
+}

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