From 855c98282f2998783ea988f615a474a33f629f6a Mon Sep 17 00:00:00 2001
From: colin <colin.in@foxmail.com>
Date: Sat, 14 Mar 2026 14:44:13 +0800
Subject: [PATCH] feat: Workspace change synchronization event

---
 .../Chats/ConversationExpiredHandler.cs       | 42 ++++++++++++++
 ...orkspaceDefinitionStoreCacheInvalidator.cs | 58 +++++++++++++++++++
 2 files changed, 100 insertions(+)
 create mode 100644 aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ConversationExpiredHandler.cs
 create mode 100644 aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Workspaces/DynamicWorkspaceDefinitionStoreCacheInvalidator.cs

diff --git a/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ConversationExpiredHandler.cs b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ConversationExpiredHandler.cs
new file mode 100644
index 000000000..8368ad019
--- /dev/null
+++ b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Chats/ConversationExpiredHandler.cs
@@ -0,0 +1,42 @@
+using LINGYUN.Abp.AIManagement.Workspaces;
+using System.Threading.Tasks;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.Domain.Entities.Events;
+using Volo.Abp.EventBus;
+using Volo.Abp.Specifications;
+using Volo.Abp.Timing;
+
+namespace LINGYUN.Abp.AIManagement.Chats;
+
+public class ConversationExpiredHandler :
+    ILocalEventHandler<EntityDeletedEventData<WorkspaceDefinitionRecord>>,
+    ITransientDependency
+{
+    private readonly IClock _clock;
+    private readonly IConversationRecordRepository _conversationRecordRepository;
+
+    public ConversationExpiredHandler(
+        IClock clock,
+        IConversationRecordRepository conversationRecordRepository)
+    {
+        _clock = clock;
+        _conversationRecordRepository = conversationRecordRepository;
+    }
+
+    public async virtual Task HandleEventAsync(EntityDeletedEventData<WorkspaceDefinitionRecord> eventData)
+    {
+        var specification = new ExpressionSpecification<ConversationRecord>(
+            x => x.Workspace == eventData.Entity.Name);
+
+        var totalCount = await _conversationRecordRepository.GetCountAsync(specification);
+        var conversations = await _conversationRecordRepository.GetListAsync(specification,
+            maxResultCount: totalCount);
+
+        foreach (var conversation in conversations )
+        {
+            conversation.ExpiredAt = _clock.Now;
+        }
+
+        await _conversationRecordRepository.UpdateManyAsync(conversations);
+    }
+}
diff --git a/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Workspaces/DynamicWorkspaceDefinitionStoreCacheInvalidator.cs b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Workspaces/DynamicWorkspaceDefinitionStoreCacheInvalidator.cs
new file mode 100644
index 000000000..69f705602
--- /dev/null
+++ b/aspnet-core/modules/ai/LINGYUN.Abp.AIManagement.Domain/LINGYUN/Abp/AIManagement/Workspaces/DynamicWorkspaceDefinitionStoreCacheInvalidator.cs
@@ -0,0 +1,58 @@
+using Microsoft.Extensions.Caching.Distributed;
+using Microsoft.Extensions.Options;
+using System;
+using System.Threading.Tasks;
+using Volo.Abp.Caching;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.Domain.Entities.Events;
+using Volo.Abp.EventBus;
+using Volo.Abp.Threading;
+using Volo.Abp.Timing;
+
+namespace LINGYUN.Abp.AIManagement.Workspaces;
+
+public class DynamicWorkspaceDefinitionStoreCacheInvalidator :
+    ILocalEventHandler<EntityChangedEventData<WorkspaceDefinitionRecord>>,
+    ITransientDependency
+{
+    private readonly IDynamicWorkspaceDefinitionStoreInMemoryCache _storeCache;
+
+    private readonly IClock _clock;
+    private readonly IDistributedCache _distributedCache;
+    private readonly AbpDistributedCacheOptions _cacheOptions;
+
+    public DynamicWorkspaceDefinitionStoreCacheInvalidator(
+        IClock clock,
+        IDistributedCache distributedCache,
+        IDynamicWorkspaceDefinitionStoreInMemoryCache storeCache,
+        IOptions<AbpDistributedCacheOptions> cacheOptions)
+    {
+        _storeCache = storeCache;
+        _clock = clock;
+        _distributedCache = distributedCache;
+        _cacheOptions = cacheOptions.Value;
+    }
+
+    public async virtual Task HandleEventAsync(EntityChangedEventData<WorkspaceDefinitionRecord> eventData)
+    {
+        await RemoveStampInDistributedCacheAsync();
+    }
+
+    protected async virtual Task RemoveStampInDistributedCacheAsync()
+    {
+        using (await _storeCache.SyncSemaphore.LockAsync())
+        {
+            var cacheKey = GetCommonStampCacheKey();
+
+            await _distributedCache.RemoveAsync(cacheKey);
+
+            _storeCache.CacheStamp = Guid.NewGuid().ToString();
+            _storeCache.LastCheckTime = _clock.Now.AddMinutes(-5);
+        }
+    }
+
+    protected virtual string GetCommonStampCacheKey()
+    {
+        return $"{_cacheOptions.KeyPrefix}_AbpInMemoryWorkspaceCacheStamp";
+    }
+}