From 70ea74cfb981f812bfa4e3ef91843c5ad93f7b27 Mon Sep 17 00:00:00 2001
From: gaoluyang <2820782392@qq.com>
Date: 星期三, 04 十一月 2026 17:32:49 +0800
Subject: [PATCH] feat(erp): 采购台账改造与采购退货增强

---
 yudao-module-erp/src/main/java/cn/iocoder/yudao/module/erp/api/purchase/ErpPurchaseOrderApiImpl.java |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+), 0 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 46d3400..77e1ffd 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
@@ -38,6 +38,9 @@
     @Resource
     private ErpPurchaseOrderItemMapper purchaseOrderItemMapper;
 
+    @Resource
+    private cn.iocoder.yudao.module.erp.dal.mysql.purchase.ErpPurchaseOrderMapper purchaseOrderMapper;
+
     @Override
     public CommonResult<ErpPurchaseOrderRespDTO> getPurchaseOrder(Long id) {
         ErpPurchaseOrderDO order = purchaseOrderService.getPurchaseOrder(id);
@@ -101,6 +104,31 @@
     }
 
     @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);
+        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);

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