优化了部分代码结构

srs-admin/src/main/java/com/srs/web/controller/aitutor/AiChatController.java

@@ -16,6 +16,7 @@ import okhttp3.*;
 import com.srs.common.core.domain.AjaxResult; // ✅ RuoYi 的返回结果类
 import okhttp3.RequestBody;
 import okhttp3.ResponseBody;
+import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 
 import org.springframework.web.multipart.MultipartFile;
@@ -38,41 +39,49 @@ import java.util.concurrent.CompletableFuture;
 @RestController
 @RequestMapping("/aitutor/aichat")
 public class AiChatController extends BaseController {
-    /**
-     * Dify API的URL地址
-     * 用于发送聊天消息请求到Dify服务
-     */
-
-    private static final String DIFY_API_URL = "http://47.112.118.149:8100/v1/chat-messages";
-    //private static final String DIFY_API_URL = "http://localhost:8080/v1/chat-messages";
-
-    /**
-     * Dify反馈API的基础URL
-     * 用于提交消息反馈（点赞、点踩等）
-     */
-    private static final String DIFY_FEEDBACK_BASE_URL = "http://47.112.118.149:8100/v1/messages";
-    //private static final String DIFY_FEEDBACK_BASE_URL = "http://localhost:8080/v1/messages";
-
-    private static final String DIFY_API_HISTORY_URL = "http://47.112.118.149:8100/v1/messages";
-    //private static final String DIFY_API_HISTORY_URL = "http://localhost:8080/v1/messages";
-
-    /**
-     * Dify会话API的基础URL
-     * 用于获取会话列表
-     */
-    private static final String DIFY_CONVERSATIONS_URL = "http://47.112.118.149:8100/v1/conversations";
-    //private static final String DIFY_CONVERSATIONS_URL = "http://localhost:8080/v1/conversations";
-
-    //文件上传
-    private static final String DIFY_FILES_URL = "http://47.112.118.149:8100/v1/files/upload";
 
     /**
      * Dify API的访问密钥
      * 用于身份验证，授权访问Dify服务
      */
     private static final String DIFY_API_KEY = "app-2wjqcYI9n6igHTVHdH8qXlnh";
-    //private static final String DIFY_API_KEY = "app-";
 
+    /**
+     * Dify API的URL地址
+     * 用于发送聊天消息请求到Dify服务
+     */
+
+    private static final String DIFY_API_URL = "http://47.112.118.149:8100/v1/chat-messages";
+
+    /**
+     * Dify反馈API的基础URL
+     * 用于提交消息反馈（点赞、点踩等）
+     */
+    private static final String DIFY_FEEDBACK_BASE_URL = "http://47.112.118.149:8100/v1/messages";
+
+    /**
+     * Dify获取反馈API的基础URL
+     * 用于获取消息反馈（点赞、点踩等）
+     */
+    private static final String DIFY_API_FEEDBACK_URL = "http://47.112.118.149:8100/v1/app/feedbacks?page=";
+
+    /**
+     * Dify消息历史记录API的基础URL
+     * 用于获取消息历史记录
+     */
+    private static final String DIFY_API_HISTORY_URL = "http://47.112.118.149:8100/v1/messages";
+
+    /**
+     * Dify会话API的基础URL
+     * 用于获取会话列表
+     */
+    private static final String DIFY_CONVERSATIONS_URL = "http://47.112.118.149:8100/v1/conversations";
+
+    /**
+     * Dify文件上传API的URL地址
+     * 用于上传文件到Dify服务，支持图文多模态理解
+     */
+    private static final String DIFY_FILES_URL = "http://47.112.118.149:8100/v1/files/upload";
 
     /**
      * HTTP客户端实例
@@ -386,12 +395,9 @@ public class AiChatController extends BaseController {
             // 参数校验和限制
             int limitValue = Math.min(Math.max(Integer.parseInt(limit), 1), 100);
 
-            // 构建请求URL
-            String url = "http://47.112.118.149:8100/v1/app/feedbacks?page=" + page + "&limit=" + limitValue;
-
             // 构建请求
             Request request = new Request.Builder()
-                    .url(url)
+                    .url(DIFY_API_FEEDBACK_URL + page + "&limit=" + limitValue)
                     .addHeader("Authorization", "Bearer " + DIFY_API_KEY)
                     .addHeader("Content-Type", "application/json")
                     .get()
@@ -420,27 +426,6 @@ public class AiChatController extends BaseController {
                             feedbackItem.put("app_id", feedbackNode.has("app_id") ? feedbackNode.get("app_id").asText() : null);
                             feedbackItem.put("conversation_id", feedbackNode.has("conversation_id") ? feedbackNode.get("conversation_id").asText() : null);
 
-                            // 提取用户信息
-                            if (feedbackNode.has("from_end_user")) {
-                                JsonNode userNode = feedbackNode.get("from_end_user");
-                                Map<String, Object> userMap = new HashMap<>();
-                                userMap.put("id", userNode.has("id") ? userNode.get("id").asText() : null);
-                                userMap.put("name", userNode.has("name") ? userNode.get("name").asText() : null);
-                                userMap.put("email", userNode.has("email") ? userNode.get("email").asText() : null);
-                                feedbackItem.put("from_end_user", userMap);
-                            }
-
-                            // 提取消息内容
-                            if (feedbackNode.has("message")) {
-                                JsonNode messageNode = feedbackNode.get("message");
-                                Map<String, Object> messageMap = new HashMap<>();
-                                messageMap.put("id", messageNode.has("id") ? messageNode.get("id").asText() : null);
-                                messageMap.put("query", messageNode.has("query") ? messageNode.get("query").asText() : null);
-                                messageMap.put("answer", messageNode.has("answer") ? messageNode.get("answer").asText() : null);
-                                messageMap.put("created_at", messageNode.has("created_at") ? messageNode.get("created_at").asLong() : null);
-                                feedbackItem.put("message", messageMap);
-                            }
-
                             feedbackList.add(feedbackItem);
                         }
                     }
@@ -476,6 +461,7 @@ public class AiChatController extends BaseController {
     }
 
     //    权限标识为辅导员
+    @PreAuthorize("@ss.hasPermi('cph:teacher:list')")
     @GetMapping("/getMessagesToAdmin")
     public AjaxResult getMessagesToAdmin(@RequestParam String user,
                                          @RequestParam(required = false) String firstId,