[add] Community node interface development

api/app/controllers/user_memory_controllers.py

@@ -17,6 +17,7 @@ from app.services.user_memory_service import (
     UserMemoryService,
     analytics_memory_types,
     analytics_graph_data,
+    analytics_community_graph_data,
 )
 from app.services.memory_entity_relationship_service import MemoryEntityService,MemoryEmotion,MemoryInteraction
 from app.schemas.response_schema import ApiResponse
@@ -295,6 +296,42 @@ async def get_graph_data_api(
         return fail(BizCode.INTERNAL_ERROR, "图数据查询失败", str(e))
 
 
+@router.get("/analytics/community_graph", response_model=ApiResponse)
+async def get_community_graph_data_api(
+    end_user_id: str,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db),
+) -> dict:
+    workspace_id = current_user.current_workspace_id
+
+    if workspace_id is None:
+        api_logger.warning(f"用户 {current_user.username} 尝试查询社区图谱但未选择工作空间")
+        return fail(BizCode.INVALID_PARAMETER, "请先切换到一个工作空间", "current_workspace_id is None")
+
+    api_logger.info(
+        f"社区图谱查询请求: end_user_id={end_user_id}, user={current_user.username}, "
+        f"workspace={workspace_id}"
+    )
+
+    try:
+        result = await analytics_community_graph_data(db=db, end_user_id=end_user_id)
+
+        if "message" in result and result["statistics"]["total_nodes"] == 0:
+            api_logger.warning(f"社区图谱查询返回空结果: {result.get('message')}")
+            return success(data=result, msg=result.get("message", "查询成功"))
+
+        api_logger.info(
+            f"成功获取社区图谱: end_user_id={end_user_id}, "
+            f"nodes={result['statistics']['total_nodes']}, "
+            f"edges={result['statistics']['total_edges']}"
+        )
+        return success(data=result, msg="查询成功")
+
+    except Exception as e:
+        api_logger.error(f"社区图谱查询失败: end_user_id={end_user_id}, error={str(e)}")
+        return fail(BizCode.INTERNAL_ERROR, "社区图谱查询失败", str(e))
+
+
 @router.get("/read_end_user/profile", response_model=ApiResponse)
 async def get_end_user_profile(
     end_user_id: str,