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 |  127 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 125 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 778f021..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
@@ -2,8 +2,13 @@
 
 import cn.iocoder.yudao.framework.common.pojo.CommonResult;
 import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
+import cn.iocoder.yudao.module.erp.api.purchase.dto.ErpPurchaseOrderCreateReqDTO;
+import cn.iocoder.yudao.module.erp.api.purchase.dto.ErpPurchaseOrderItemRespDTO;
 import cn.iocoder.yudao.module.erp.api.purchase.dto.ErpPurchaseOrderRespDTO;
+import cn.iocoder.yudao.module.erp.controller.admin.purchase.vo.order.ErpPurchaseOrderSaveReqVO;
 import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderDO;
+import cn.iocoder.yudao.module.erp.dal.dataobject.purchase.ErpPurchaseOrderItemDO;
+import cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderItemMapper;
 import cn.iocoder.yudao.module.erp.enums.ErpAuditStatus;
 import cn.iocoder.yudao.module.erp.service.purchase.ErpPurchaseOrderService;
 import jakarta.annotation.Resource;
@@ -11,15 +16,18 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.math.BigDecimal;
 import java.util.Collections;
 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�
  *
- * @author 鑺嬮亾婧愮爜
+ * @author 瓒呯骇绠$悊鍛�
  */
 @RestController
 @RequestMapping(ErpPurchaseOrderApi.PREFIX)
@@ -28,6 +36,12 @@
 
     @Resource
     private ErpPurchaseOrderService purchaseOrderService;
+
+    @Resource
+    private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
+
+    @Resource
+    private cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper purchaseOrderMapper;
 
     @Override
     public CommonResult<ErpPurchaseOrderRespDTO> getPurchaseOrder(Long id) {
@@ -55,4 +69,113 @@
         return success(BeanUtils.toBean(orders, ErpPurchaseOrderRespDTO.class));
     }
 
-}
\ No newline at end of file
+    @Override
+    public CommonResult<List<ErpPurchaseOrderItemRespDTO>> getPurchaseOrderItemList(Long orderId) {
+        if (orderId == null) {
+            return success(Collections.emptyList());
+        }
+        List<ErpPurchaseOrderItemDO> items = purchaseOrderService.getPurchaseOrderItemListByOrderId(orderId);
+        return success(BeanUtils.toBean(items, ErpPurchaseOrderItemRespDTO.class));
+    }
+
+    @Override
+    public CommonResult<ErpPurchaseOrderItemRespDTO> getPurchaseOrderItem(Long id) {
+        if (id == null) {
+            return success(null);
+        }
+        ErpPurchaseOrderItemDO item = purchaseOrderItemMapper.selectById(id);
+        return success(BeanUtils.toBean(item, ErpPurchaseOrderItemRespDTO.class));
+    }
+
+    @Override
+    public CommonResult<Boolean> updateOrderItemInCount(Long orderItemId, BigDecimal inCount) {
+        if (orderItemId == null || inCount == null) {
+            return success(false);
+        }
+        ErpPurchaseOrderItemDO item = purchaseOrderItemMapper.selectById(orderItemId);
+        if (item == null) {
+            return success(false);
+        }
+        // 绱姞鍏ュ簱鏁伴噺
+        BigDecimal newInCount = (item.getInCount() != null ? item.getInCount() : BigDecimal.ZERO).add(inCount);
+        ErpPurchaseOrderItemDO updateItem = new ErpPurchaseOrderItemDO();
+        updateItem.setId(orderItemId);
+        updateItem.setInCount(newInCount);
+        purchaseOrderItemMapper.updateById(updateItem);
+        return success(true);
+    }
+
+    @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);
+        }
+        purchaseOrderService.updatePurchaseOrderInStatus(orderId);
+        return success(true);
+    }
+
+    @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 saveReqVO;
+    }
+
+    @Override
+    public CommonResult<List<ErpPurchaseOrderItemRespDTO>> getPurchaseOrderItemListBySource(Integer sourceType, Long sourceId) {
+        if (sourceType == null || sourceId == null) {
+            return success(Collections.emptyList());
+        }
+        // 1. 鎸夋潵婧愭煡璇㈤噰璐鍗�
+        List<ErpPurchaseOrderDO> orders = purchaseOrderService.getPurchaseOrderListBySource(sourceType, sourceId);
+        if (orders.isEmpty()) {
+            return success(Collections.emptyList());
+        }
+        // 2. 鏌ヨ鎵�鏈夎鍗曠殑鏄庣粏
+        List<Long> orderIds = orders.stream().map(ErpPurchaseOrderDO::getId).toList();
+        List<ErpPurchaseOrderItemDO> items = purchaseOrderItemMapper.selectListByOrderIds(orderIds);
+        return success(BeanUtils.toBean(items, ErpPurchaseOrderItemRespDTO.class));
+    }
+
+}

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