refactor: 清理不需要的代码文件，添加.gitignore，优化项目结构

src/vehicle/__init__.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+
 # -*- coding: utf-8 -*-
 """
 车辆数据管理模块

src/vehicle/vehicle_data_manager.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+
 # -*- coding: utf-8 -*-
 """
 车辆实时数据管理器
@@ -89,6 +89,43 @@ class VehicleDataManager:
         except Exception as e:
             logger.error(f"获取车辆数据失败: {e}")
             return []
+
+    def get_vehicle_data_by_vin(
+        self,
+        vehicle_vin: str,
+        data_type: str = None,
+        limit: int = 10
+    ) -> List[Dict[str, Any]]:
+        """按VIN获取车辆实时数据"""
+        try:
+            with db_manager.get_session() as session:
+                query = session.query(VehicleData).filter(
+                    VehicleData.vehicle_vin == vehicle_vin,
+                    VehicleData.is_active == True
+                )
+                if data_type:
+                    query = query.filter(VehicleData.data_type == data_type)
+                vehicle_data_list = query.order_by(desc(VehicleData.timestamp)).limit(limit).all()
+
+                results = []
+                for data in vehicle_data_list:
+                    try:
+                        data_value = json.loads(data.data_value)
+                    except:
+                        data_value = data.data_value
+                    results.append({
+                        "id": data.id,
+                        "vehicle_id": data.vehicle_id,
+                        "vehicle_vin": data.vehicle_vin,
+                        "data_type": data.data_type,
+                        "data_value": data_value,
+                        "timestamp": data.timestamp.isoformat(),
+                        "is_active": data.is_active
+                    })
+                return results
+        except Exception as e:
+            logger.error(f"按VIN获取车辆数据失败: {e}")
+            return []
     
     def get_latest_vehicle_data(self, vehicle_id: str) -> Dict[str, Any]:
         """获取车辆最新数据"""
@@ -121,6 +158,34 @@ class VehicleDataManager:
         except Exception as e:
             logger.error(f"获取车辆最新数据失败: {e}")
             return {}
+
+    def get_latest_vehicle_data_by_vin(self, vehicle_vin: str) -> Dict[str, Any]:
+        """按VIN获取车辆最新数据"""
+        try:
+            with db_manager.get_session() as session:
+                data_types = ['location', 'status', 'fault', 'battery', 'engine']
+                latest_data: Dict[str, Any] = {}
+                for data_type in data_types:
+                    data = session.query(VehicleData).filter(
+                        VehicleData.vehicle_vin == vehicle_vin,
+                        VehicleData.data_type == data_type,
+                        VehicleData.is_active == True
+                    ).order_by(desc(VehicleData.timestamp)).first()
+                    if data:
+                        try:
+                            data_value = json.loads(data.data_value)
+                        except:
+                            data_value = data.data_value
+                        latest_data[data_type] = {
+                            "value": data_value,
+                            "timestamp": data.timestamp.isoformat(),
+                            "vehicle_id": data.vehicle_id,
+                            "vehicle_vin": data.vehicle_vin
+                        }
+                return latest_data
+        except Exception as e:
+            logger.error(f"按VIN获取车辆最新数据失败: {e}")
+            return {}
     
     def search_vehicle_data(
         self,