ai对话优化知识库选择

urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/DifyApiClient.java

@@ -732,6 +732,56 @@ public class DifyApiClient {
         }
     }
 
+    /**
+     * 获取对话变量
+     * @param conversationId 会话ID
+     * @param userId 用户标识
+     * @param lastId 当前页最后面一条记录的ID,默认null
+     * @param limit 一次请求返回多少条记录,默认20条,最大100条,最小1条
+     * @param apiKey API密钥
+     * @return 对话变量响应
+     */
+    public ConversationVariablesResponse getConversationVariables(
+            String conversationId,
+            String userId,
+            String lastId,
+            Integer limit,
+            String apiKey) {
+
+        StringBuilder urlBuilder = new StringBuilder(
+                difyConfig.getFullApiUrl("/conversations/" + conversationId + "/variables"));
+        urlBuilder.append("?user=").append(userId);
+
+        if (lastId != null && !lastId.isEmpty()) {
+            urlBuilder.append("&last_id=").append(lastId);
+        }
+        if (limit != null) {
+            urlBuilder.append("&limit=").append(limit);
+        }
+
+        try {
+            Request httpRequest = new Request.Builder()
+                    .url(urlBuilder.toString())
+                    .header("Authorization", "Bearer " + getApiKey(apiKey))
+                    .get()
+                    .build();
+
+            try (Response response = httpClient.newCall(httpRequest).execute()) {
+                String responseBody = response.body() != null ? response.body().string() : "";
+
+                if (!response.isSuccessful()) {
+                    logger.error("获取对话变量失败: {} - {}", response.code(), responseBody);
+                    throw new DifyException("获取对话变量失败: " + responseBody);
+                }
+
+                return JSON.parseObject(responseBody, ConversationVariablesResponse.class);
+            }
+        } catch (IOException e) {
+            logger.error("获取对话变量异常", e);
+            throw new DifyException("获取对话变量异常: " + e.getMessage(), e);
+        }
+    }
+
     // ===================== 通用 HTTP 方法（用于代理转发）=====================
 
     /**

urbanLifelineServ/ai/src/main/java/org/xyzh/ai/client/dto/ConversationVariablesResponse.java

@@ -0,0 +1,69 @@
+package org.xyzh.ai.client.dto;
+
+import com.alibaba.fastjson2.annotation.JSONField;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * @description 对话变量响应
+ * @filename ConversationVariablesResponse.java
+ * @author AI Assistant
+ * @copyright xyzh
+ * @since 2025-12-29
+ */
+@Data
+public class ConversationVariablesResponse {
+
+    private Integer limit;
+
+    @JSONField(name = "has_more")
+    private Boolean hasMore;
+
+    private List<ConversationVariableItem> data;
+
+    /**
+     * 对话中的变量项
+     */
+    @Data
+    public static class ConversationVariableItem {
+
+        /**
+         * 变量ID
+         */
+        private String id;
+
+        /**
+         * 变量名称
+         */
+        private String name;
+
+        /**
+         * 变量类型 (string, number, boolean 等)
+         */
+        @JSONField(name = "value_type")
+        private String valueType;
+
+        /**
+         * 变量值
+         */
+        private String value;
+
+        /**
+         * 变量描述
+         */
+        private String description;
+
+        /**
+         * 创建时间戳
+         */
+        @JSONField(name = "created_at")
+        private Long createdAt;
+
+        /**
+         * 最后更新时间戳
+         */
+        @JSONField(name = "updated_at")
+        private Long updatedAt;
+    }
+}

urbanLifelineServ/ai/src/main/java/org/xyzh/ai/controller/ChatController.java

@@ -8,6 +8,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.multipart.MultipartFile;
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
+import org.xyzh.ai.client.dto.ConversationVariablesResponse;
 import org.xyzh.api.ai.dto.ChatPrepareData;
 import org.xyzh.api.ai.dto.TbChat;
 import org.xyzh.api.ai.dto.TbChatMessage;
@@ -46,6 +47,9 @@ public class ChatController {
     @Autowired
     private AIFileUploadService fileUploadService;
 
+    @Autowired
+    private org.xyzh.ai.client.DifyApiClient difyApiClient;
+
     // ====================== 会话管理 ======================
 
     /**
@@ -151,7 +155,7 @@ public class ChatController {
      * @since 2025-12-17
      */
     @PostMapping("/conversation/page")
-    public ResultDomain<PageDomain<TbChat>> getChatPage(@RequestBody PageRequest<TbChat> pageRequest, @RequestHeader("Authorization") String token) {
+    public ResultDomain<TbChat> getChatPage(@RequestBody PageRequest<TbChat> pageRequest, @RequestHeader("Authorization") String token) {
         log.info("分页获取会话列表: agentId={}", pageRequest.getFilter().getAgentId());
 
         pageRequest.getFilter().setUserType(false);
@@ -164,6 +168,53 @@ public class ChatController {
         return chatService.getChatPage(pageRequest);
     }
 
+    /**
+     * @description    获取对话变量
+     * @param    params 请求参数（包含agentId, conversationId, userId, lastId, limit）
+     * @author    yslg
+     * @since 2025-12-29
+     */
+    @PostMapping("/conversation/variables")
+    public ResultDomain<org.xyzh.ai.client.dto.ConversationVariablesResponse> getConversationVariables(
+            @RequestBody Map<String, Object> params,
+            @RequestHeader("Authorization") String token) {
+
+        // 参数验证
+        ValidationResult result = ValidationUtils.validateMap(params, Arrays.asList(
+            ValidationUtils.requiredString("agentId", "智能体ID", 1, 100),
+            ValidationUtils.requiredString("conversationId", "会话ID", 1, 100),
+            ValidationUtils.requiredString("userId", "用户ID", 1, 100)
+        ));
+        if (!result.isValid()) {
+            return ResultDomain.failure(result.getAllErrors());
+        }
+
+        String agentId = (String) params.get("agentId");
+        String conversationId = (String) params.get("conversationId");
+        String userId = (String) params.get("userId");
+        String lastId = params.containsKey("lastId") ? (String) params.get("lastId") : null;
+        Integer limit = params.containsKey("limit") ?
+            Integer.parseInt(params.get("limit").toString()) : 20;
+
+        log.info("获取对话变量: agentId={}, conversationId={}, userId={}", agentId, conversationId, userId);
+
+        try {
+            // 获取智能体信息以获取 API Key
+            // 这里需要根据 agentId 获取对应的 API Key
+            // 暂时先使用一个占位符,实际使用时需要从数据库或配置中获取
+            // 或者通过 chatService 获取智能体配置
+
+            // 调用 Dify API 获取会话变量
+            ConversationVariablesResponse response =
+                difyApiClient.getConversationVariables(conversationId, userId, lastId, limit, agentId);
+
+            return ResultDomain.success("获取对话变量成功",response);
+        } catch (Exception e) {
+            log.error("获取对话变量失败", e);
+            return ResultDomain.failure("获取对话变量失败: " + e.getMessage());
+        }
+    }
+
     // ====================== 消息管理 ======================
 
     /**

urbanLifelineServ/ai/src/main/java/org/xyzh/ai/service/impl/AgentChatServiceImpl.java

@@ -1,5 +1,6 @@
 package org.xyzh.ai.service.impl;
 
+import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.JSONObject;
 
 import org.apache.dubbo.config.annotation.DubboService;
@@ -12,6 +13,7 @@ import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 import org.xyzh.ai.client.DifyApiClient;
 import org.xyzh.ai.client.callback.StreamCallback;
 import org.xyzh.ai.client.dto.ChatRequest;
+import org.xyzh.ai.config.DifyConfig;
 import org.xyzh.ai.mapper.TbChatMapper;
 import org.xyzh.ai.mapper.TbChatMessageMapper;
 import org.xyzh.api.ai.dto.ChatPrepareData;
@@ -19,17 +21,23 @@ import org.xyzh.api.ai.dto.DifyFileInfo;
 import org.xyzh.api.ai.dto.TbAgent;
 import org.xyzh.api.ai.dto.TbChat;
 import org.xyzh.api.ai.dto.TbChatMessage;
+import org.xyzh.api.ai.dto.TbKnowledge;
 import org.xyzh.api.ai.service.AgentChatService;
 import org.xyzh.api.ai.service.AgentService;
+import org.xyzh.api.ai.service.KnowledgeService;
+import org.xyzh.api.system.service.GuestService;
+import org.xyzh.common.core.domain.LoginDomain;
 import org.xyzh.common.core.domain.ResultDomain;
 import org.xyzh.common.core.page.PageDomain;
 import org.xyzh.common.core.page.PageParam;
 import org.xyzh.common.core.page.PageRequest;
 import org.xyzh.common.redis.service.RedisService;
+import org.xyzh.common.utils.NonUtils;
 import org.xyzh.common.utils.id.IdUtil;
 import org.xyzh.common.auth.utils.LoginUtil;
 
 import java.io.IOException;
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -69,20 +77,11 @@ public class AgentChatServiceImpl implements AgentChatService {
     @Autowired
     private RedisService redisService;
 
-    /**
+    @Autowired
-     * @description 根据 userType 获取用户ID
+    private KnowledgeService knowledgeService;
-     * @param chat 会话信息（包含 userId 和 userType）
+
-     * @return 真实的系统用户ID
+    @Autowired
-     */
+    private DifyConfig difyConfig;
-    private String getUserIdByType(TbChat chat) {
-        if (!chat.getUserType()) {
-            // 来客（userType=false）：直接返回传入的 userId（已经是真正的系统 userId）
-            return chat.getUserId();
-        } else {
-            // 员工（userType=true）：从登录信息获取 userId
-            return LoginUtil.getCurrentUserId();
-        }
-    }
 
     /**
      * @description 判断智能体是否是outer
@@ -130,7 +129,8 @@ public class AgentChatServiceImpl implements AgentChatService {
         }
 
         // 2. 获取用户ID并校验权限
-        String userId = getUserIdByType(chat);
+        LoginDomain loginDomain = LoginUtil.getCurrentLogin();
+        String userId = loginDomain.getUser().getUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -164,7 +164,8 @@ public class AgentChatServiceImpl implements AgentChatService {
             return ResultDomain.failure("智能体不可用");
         }
         // 2. 获取用户ID并校验权限
-        String userId = getUserIdByType(filter);
+        LoginDomain loginDomain = LoginUtil.getCurrentLogin();
+        String userId = loginDomain.getUser().getUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -189,12 +190,9 @@ public class AgentChatServiceImpl implements AgentChatService {
 
     @Override
     public ResultDomain<TbChat> getChatList(TbChat filter) {
-        // 判断agent是否是outer
+
-        if(!isOuterAgent(filter.getAgentId())){
-            return ResultDomain.failure("智能体不可用");
-        }
         // 获取用户ID
-        String userId = getUserIdByType(filter);
+        String userId = LoginUtil.getCurrentUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -204,16 +202,16 @@ public class AgentChatServiceImpl implements AgentChatService {
     }
 
     @Override
-    public ResultDomain<PageDomain<TbChat>> getChatPage(PageRequest<TbChat> pageRequest) {
+    public ResultDomain<TbChat> getChatPage(PageRequest<TbChat> pageRequest) {
         TbChat filter = pageRequest.getFilter();
         // 判断agent是否是outer（来客才需要校验）
         if (!filter.getUserType() && !isOuterAgent(filter.getAgentId())) {
-            return ResultDomain.<PageDomain<TbChat>>failure("智能体不可用");
+            return ResultDomain.<TbChat>failure("智能体不可用");
         }
         // 获取用户ID
-        String userId = getUserIdByType(filter);
+        String userId = LoginUtil.getCurrentUserId();
         if (userId == null) {
-            return ResultDomain.<PageDomain<TbChat>>failure("用户信息获取失败");
+            return ResultDomain.<TbChat>failure("用户信息获取失败");
         }
         filter.setUserId(userId);
 
@@ -224,7 +222,7 @@ public class AgentChatServiceImpl implements AgentChatService {
         pageParam.setTotal((int) total);
 
         PageDomain<TbChat> pageDomain = new PageDomain<>(pageParam, chatList);
-        return ResultDomain.<PageDomain<TbChat>>success("查询成功", pageDomain);
+        return ResultDomain.<TbChat>success("查询成功", pageDomain);
     }
 
     // ====================== 智能体聊天管理 ======================
@@ -241,7 +239,7 @@ public class AgentChatServiceImpl implements AgentChatService {
             return ResultDomain.failure("智能体不可用");
         }
         // 2. 获取用户ID并校验权限
-        String userId = getUserIdByType(filter);
+        String userId = LoginUtil.getCurrentUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -272,7 +270,8 @@ public class AgentChatServiceImpl implements AgentChatService {
         chatFilter.setUserId(prepareData.getUserId());
         chatFilter.setUserType(prepareData.getUserType());
         
-        String userId = getUserIdByType(chatFilter);
+        LoginDomain loginDomain = LoginUtil.getCurrentLogin();
+        String userId = loginDomain.getUser().getUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -299,6 +298,8 @@ public class AgentChatServiceImpl implements AgentChatService {
         sessionData.put("userId", userId);
         sessionData.put("filesData", prepareData.getFiles());
         sessionData.put("apiKey", agent.getApiKey());
+        sessionData.put("outer", agent.getIsOuter());
+        sessionData.put("service", prepareData.getService());
 
         String cacheKey = CHAT_SESSION_PREFIX + sessionId;
         redisService.set(cacheKey, sessionData, SESSION_TTL, TimeUnit.SECONDS);
@@ -332,6 +333,9 @@ public class AgentChatServiceImpl implements AgentChatService {
         String query = (String) sessionData.get("query");
         String userId = (String) sessionData.get("userId");
         String apiKey = (String) sessionData.get("apiKey");
+        String service = (String) sessionData.get("service");
+        Boolean outer = (Boolean) sessionData.get("outer");
+
         @SuppressWarnings("unchecked")
         List<DifyFileInfo> filesData = (List<DifyFileInfo>) sessionData.get("filesData");
 
@@ -365,7 +369,23 @@ public class AgentChatServiceImpl implements AgentChatService {
         chatRequest.setQuery(query);
         chatRequest.setUser(userId);
         chatRequest.setResponseMode("streaming");
-        chatRequest.setInputs(new HashMap<>());  // Dify API 要求 inputs 必传
+        Map<String, Object> inputsMap = new HashMap<>();
+        chatRequest.setInputs(inputsMap);  // Dify API 要求 inputs 必传
+        // 处理动态知识库的问题
+        if(outer && NonUtils.isNotEmpty(service)){
+            TbKnowledge filter = new TbKnowledge();
+            filter.setService(service);
+            filter.setCategory("external");
+            ResultDomain<TbKnowledge> knowledgeRD = knowledgeService.listKnowledges(filter);
+            List<String> datasets = new ArrayList<>();
+            if(knowledgeRD.getSuccess()){
+                datasets = knowledgeRD.getDataList().stream().map(TbKnowledge::getDifyDatasetId).toList();
+            }
+            inputsMap.put("datasets", JSON.toJSONString(datasets));
+            inputsMap.put("dataset_apikey", difyConfig.getKnowledgeApiKey());
+
+        }
+        
 
         if (filesData != null && !filesData.isEmpty()) {
             chatRequest.setFiles(filesData);
@@ -454,7 +474,7 @@ public class AgentChatServiceImpl implements AgentChatService {
         TbAgent agent = agentResult.getData();
 
         // 2. 获取用户ID
-        String userId = getUserIdByType(filter);
+        String userId = LoginUtil.getCurrentUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }
@@ -480,7 +500,7 @@ public class AgentChatServiceImpl implements AgentChatService {
         }
 
         // 2. 获取用户ID
-        String userId = getUserIdByType(filter);
+        String userId = LoginUtil.getCurrentUserId();
         if (userId == null) {
             return ResultDomain.failure("用户信息获取失败");
         }

urbanLifelineServ/apis/api-ai/src/main/java/org/xyzh/api/ai/dto/ChatPrepareData.java

@@ -29,4 +29,6 @@ public class ChatPrepareData implements Serializable {
     @Schema(description = "用户类型（false=来客，true=员工）")
     private Boolean userType;
 
+    @Schema(description = "服务名称")
+    private String service;
 }

urbanLifelineServ/apis/api-ai/src/main/java/org/xyzh/api/ai/service/AgentChatService.java

@@ -48,7 +48,7 @@ public interface AgentChatService {
      * @param pageRequest 分页请求参数
      * @return 分页会话列表
      */
-    ResultDomain<PageDomain<TbChat>> getChatPage(PageRequest<TbChat> pageRequest);
+    ResultDomain<TbChat> getChatPage(PageRequest<TbChat> pageRequest);
 
 
     // ====================== 智能体聊天管理 ======================

urbanLifelineServ/apis/api-system/src/main/java/org/xyzh/api/system/constance/SysConfigRedisPrefix.java

@@ -0,0 +1,8 @@
+package org.xyzh.api.system.constance;
+
+/**
+ * 通过redis事件，实现数据库更新配置，更新其他服务的bean数据
+ */
+public class SysConfigRedisPrefix {
+    public static final String SYS_CONFIG_DIFY="sys:config:dify";
+}

urbanLifelineWeb/packages/shared/src/types/ai/aiChat.ts

@@ -88,6 +88,7 @@ export interface ChatPrepareData {
     userId?: string
     /** 用户类型（false=来客，true=员工） */
     userType?: boolean
+    service?: string
 }
 
 // ==================== 请求参数类型（必传校验） ====================
@@ -106,24 +107,6 @@ export interface CreateChatParam {
     title?: string
 }
 
-/**
- * 准备流式对话参数
- */
-export interface PrepareChatParam {
-    /** 对话ID（必传） */
-    chatId: string
-    /** 用户问题（必传） */
-    query: string
-    /** 智能体ID（必传） */
-    agentId: string
-    /** 用户类型（必传） */
-    userType: boolean
-    /** 用户ID */
-    userId?: string
-    /** 文件列表 */
-    files?: DifyFileInfo[]
-}
-
 /**
  * 停止对话参数
  */

urbanLifelineWeb/packages/workcase/src/types/shared.d.ts

@@ -131,7 +131,6 @@ declare module 'shared/types' {
         DifyFileInfo,
         ChatPrepareData,
         CreateChatParam,
-        PrepareChatParam,
         StopChatParam,
         CommentMessageParam,
         ChatListParam,

urbanLifelineWeb/packages/workcase/src/views/public/AIChat/AIChatView.vue

@@ -275,7 +275,7 @@ import type {
     TbChat, 
     TbChatMessage, 
     TbAgent, 
-    PrepareChatParam,
+    ChatPrepareData,
     SSEMessageData,
     DifyFileInfo,
     TbSysFileDTO
@@ -479,13 +479,14 @@ const sendMessage = async () => {
     }
     
     // 准备流式对话参数
-    const prepareParam: PrepareChatParam = {
+    const prepareParam: ChatPrepareData = {
         chatId: currentChatId.value!,
         query: query,
         agentId: agentId,
         userType: userType.value,
         userId: userId.value,
-        files: uploadedFiles.value.length > 0 ? uploadedFiles.value : undefined
+        files: uploadedFiles.value.length > 0 ? uploadedFiles.value : undefined,
+        service: "workcase"
     }
     
     // 清空已上传的文件

urbanLifelineWeb/packages/workcase_wechat/api/ai/aiChat.ts

@@ -4,7 +4,7 @@ import type {
     TbChat,
     TbChatMessage,
     CreateChatParam,
-    PrepareChatParam,
+    ChatPrepareData,
     StopChatParam,
     CommentMessageParam,
     ChatListParam,
@@ -72,7 +72,7 @@ export const aiChatAPI = {
      * 准备流式对话会话
      * @param param agentId、chatId、query、userId 必传
      */
-    prepareChatMessageSession(param: PrepareChatParam): Promise<ResultDomain<string>> {
+    prepareChatMessageSession(param: ChatPrepareData): Promise<ResultDomain<string>> {
         return request<string>({ url: `${this.baseUrl}/stream/prepare`, method: 'POST', data: param })
     },
 

urbanLifelineWeb/packages/workcase_wechat/api/workcase/workcaseChat.ts

@@ -16,7 +16,7 @@ import type {
     TbChat,
     TbChatMessage,
     CreateChatParam,
-    PrepareChatParam,
+    ChatPrepareData,
     StopChatParam,
     CommentMessageParam,
     ChatListParam,

urbanLifelineWeb/packages/workcase_wechat/pages/index/index.uvue

@@ -354,13 +354,14 @@
 			}
 
 			// 准备流式对话（包含文件）
-			const prepareData = {
+			const prepareData: ChatPrepareData = {
 				chatId: chatId.value,
 				query: query,
 				agentId: agentId,
 				userType: userType.value,
 				userId: userInfo.value.userId,
-				files: files.length > 0 ? files : undefined
+				files: files.length > 0 ? files : undefined,
+				service: "workcase"
 			}
 			console.log('准备流式对话参数:', JSON.stringify(prepareData))
 

urbanLifelineWeb/packages/workcase_wechat/types/ai/aiChat.ts

@@ -87,6 +87,7 @@ export interface ChatPrepareData {
     userId?: string
     /** 用户类型（false=来客，true=员工） */
     userType?: boolean
+    service?: string
 }
 
 /**
@@ -125,23 +126,6 @@ export interface CreateChatParam {
     title?: string
 }
 
-/**
- * 准备流式对话参数
- */
-export interface PrepareChatParam {
-    /** 对话ID（必传） */
-    chatId: string
-    /** 用户问题（必传） */
-    query: string
-    /** 智能体ID */
-    agentId: string
-    userType: boolean
-    /** 用户ID */
-    userId?: string
-    /** 用户类型 */
-    /** 文件列表 */
-    files?: DifyFileInfo[]
-}
 
 /**
  * 停止对话参数