From f55f498626bac774a3d891ffd42e0cb9c097006e Mon Sep 17 00:00:00 2001
From: hang <872297557@qq.com>
Date: Tue, 30 Sep 2025 10:01:20 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0gpt=20=E6=96=B9=E6=B3=95?=
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---
 .../Service/Document/AuditDocumentService.cs  | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/IRaCIS.Core.Application/Service/Document/AuditDocumentService.cs b/IRaCIS.Core.Application/Service/Document/AuditDocumentService.cs
index d45d8895b..f04b52e8a 100644
--- a/IRaCIS.Core.Application/Service/Document/AuditDocumentService.cs
+++ b/IRaCIS.Core.Application/Service/Document/AuditDocumentService.cs
@@ -23,6 +23,7 @@ using IRaCIS.Core.Application.Contracts;
 using Microsoft.EntityFrameworkCore;
 using static Microsoft.Extensions.Logging.EventSource.LoggingEventSource;
 using NPOI.SS.Formula.Functions;
+using EFCore.BulkExtensions;
 namespace IRaCIS.Core.Application.Service;
 
 
@@ -234,6 +235,60 @@ public class AuditDocumentService(IRepository<AuditDocument> _auditDocumentRepos
 
     #region 闭包修改
 
+    /// <summary>
+    /// GPT 移动子树代码--适合一次提交事务
+    /// </summary>
+    /// <param name="subtreeRootId"></param>
+    /// <param name="newParentId"></param>
+    /// <returns></returns>
+    private async Task MoveSubtreeAsync(Guid subtreeRootId, Guid? newParentId)
+    {
+
+        // 1. 子树所有闭包关系（后代包含自身）
+        var subtreeClosures = await _auditDocumentClosureRepository
+            .Where(c => c.AncestorId == subtreeRootId)
+            .ToListAsync();
+
+        var descendantIdsQuery = _auditDocumentClosureRepository
+            .Where(c => c.AncestorId == subtreeRootId).Select(c => c.DescendantId);
+
+        // 2. 删除原有祖先关系，保留自反关系和子树内部关系
+        await _auditDocumentClosureRepository.BatchDeleteNoTrackingAsync(c =>
+            descendantIdsQuery.Contains(c.DescendantId) &&
+            c.AncestorId != c.DescendantId &&      // 保留自反关系
+            !descendantIdsQuery.Contains(c.AncestorId)  // 保留子树内部关系
+        );
+
+        // 3. 查新父节点祖先
+        var newParentClosures = newParentId.HasValue
+            ? await _auditDocumentClosureRepository
+                .Where(c => c.DescendantId == newParentId.Value)
+                .ToListAsync()
+            : new List<AuditDocumentClosure>();
+
+        // 4. 生成新关系
+        var newClosures = new List<AuditDocumentClosure>();
+
+        foreach (var pc in newParentClosures)
+        {
+            foreach (var sc in subtreeClosures)
+            {
+                newClosures.Add(new AuditDocumentClosure
+                {
+                    AncestorId = pc.AncestorId,
+                    DescendantId = sc.DescendantId,
+                    Depth = pc.Depth + sc.Depth + 1  //深度公式：新深度 = 父祖先深度 + 子树原深度 + 1
+                });
+            }
+        }
+
+        // 5. 插入新关系
+        await _auditDocumentClosureRepository.AddRangeAsync(newClosures);
+        await _auditDocumentClosureRepository.SaveChangesAsync();
+
+    }
+
+
     /// <summary>
     /// 插入闭包表关系
     /// </summary>
@@ -600,6 +655,17 @@ public class AuditDocumentService(IRepository<AuditDocument> _auditDocumentRepos
             throw new BusinessValidationFailedException(_localizer["AuditDocument_CanNotMove"]);
         }
 
+        #region 不考虑文件名重复 移动子树快速方法
+        //foreach (var item in inDto.Ids)
+        //{
+        //    var subtreeRoot = await _auditDocumentRepository.FirstOrDefaultAsync(t => t.Id == item);
+
+        //    subtreeRoot.ParentId = inDto.ParentId;
+
+        //    await MoveSubtreeAsync(item, inDto.ParentId);
+        //}
+        #endregion
+
         await CopyFileOrFolder(inDto);
 
         await DeleteAuditDocument(new DeleteAuditDocumentInDto()