From 007e470ab70d5d4fa503db8b9fc296f531941c5a Mon Sep 17 00:00:00 2001
From: 云 <2163098428@qq.com>
Date: 星期二, 28 四月 2026 10:18:54 +0800
Subject: [PATCH] feat(ai): 添加审批待办助手功能

---
 src/main/java/com/ruoyi/ai/store/MongoChatMemoryStore.java |   41 ++++++++++++++++++++++++++---------------
 1 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/src/main/java/com/ruoyi/ai/store/MongoChatMemoryStore.java b/src/main/java/com/ruoyi/ai/store/MongoChatMemoryStore.java
index e94bf73..e88f0e9 100644
--- a/src/main/java/com/ruoyi/ai/store/MongoChatMemoryStore.java
+++ b/src/main/java/com/ruoyi/ai/store/MongoChatMemoryStore.java
@@ -5,47 +5,58 @@
 import dev.langchain4j.data.message.ChatMessageDeserializer;
 import dev.langchain4j.data.message.ChatMessageSerializer;
 import dev.langchain4j.store.memory.chat.ChatMemoryStore;
-import org.springframework.beans.factory.annotation.Autowired;
+import lombok.RequiredArgsConstructor;
 import org.springframework.data.mongodb.core.MongoTemplate;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
 import org.springframework.data.mongodb.core.query.Update;
 import org.springframework.stereotype.Component;
 
+import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
 
-/**
- * @author :yys
- * @date : 2025/5/2 19:18
- */
 @Component
+@RequiredArgsConstructor
 public class MongoChatMemoryStore implements ChatMemoryStore {
 
-    @Autowired
-    private MongoTemplate mongoTemplate;
+    private final MongoTemplate mongoTemplate;
 
     @Override
     public List<ChatMessage> getMessages(Object memoryId) {
-        Criteria criteria = Criteria.where("memoryId").is(memoryId);
-        Query query = new Query(criteria);
+        Query query = Query.query(Criteria.where("memoryId").is(memoryIdString(memoryId)));
         ChatMessages chatMessages = mongoTemplate.findOne(query, ChatMessages.class);
-        if(chatMessages == null) return new LinkedList<>();
+        if (chatMessages == null || chatMessages.getContent() == null) {
+            return new LinkedList<>();
+        }
         return ChatMessageDeserializer.messagesFromJson(chatMessages.getContent());
     }
+
     @Override
     public void updateMessages(Object memoryId, List<ChatMessage> messages) {
-        Criteria criteria = Criteria.where("memoryId").is(memoryId);
-        Query query = new Query(criteria);
+        String memoryIdValue = memoryIdString(memoryId);
+        Query query = Query.query(Criteria.where("memoryId").is(memoryIdValue));
         Update update = new Update();
+        update.set("memoryId", memoryIdValue);
         update.set("content", ChatMessageSerializer.messagesToJson(messages));
-        //鏍规嵁query鏉′欢鑳芥煡璇㈠嚭鏂囨。锛屽垯淇敼鏂囨。锛涘惁鍒欐柊澧炴枃妗�
+        update.set("updateTime", new Date());
+        update.setOnInsert("createTime", new Date());
         mongoTemplate.upsert(query, update, ChatMessages.class);
     }
+
     @Override
     public void deleteMessages(Object memoryId) {
-        Criteria criteria = Criteria.where("memoryId").is(memoryId);
-        Query query = new Query(criteria);
+        Query query = Query.query(Criteria.where("memoryId").is(memoryIdString(memoryId)));
         mongoTemplate.remove(query, ChatMessages.class);
     }
+
+    public void appendMessages(Object memoryId, List<ChatMessage> appendList) {
+        List<ChatMessage> messages = new LinkedList<>(getMessages(memoryId));
+        messages.addAll(appendList);
+        updateMessages(memoryId, messages);
+    }
+
+    private String memoryIdString(Object memoryId) {
+        return memoryId == null ? "" : memoryId.toString();
+    }
 }

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