完成查询犯人带出次数

biz/video_face_prison_biz.py

@@ -264,19 +264,30 @@ class VideoFacePrisonBiz(BaseFaceBiz):
                         self.person_tracking[best_name] = []
                     self.person_tracking[best_name].append(current_time)
 
-            if has_passed:
-                # 插入数据库告警记录
+            # 查询历史报警记录数
+            historical_alert_count = 0
+            if has_passed and passed_person_id:
                 try:
                     with db_manager.get_session() as db:
                         alert_service = SurAlertRecordService(db)
+                        
+                        # 插入数据库告警记录
                         alert_service.create_alert_record(
                             alert_type=AlertType.PRISONER_OUT,
                             person_id=int(passed_person_id),
                             # camera_id=cam_id #todo：设置cam_id，如果每个摄像头创建一个实例，则可以将cam_id放到成员变量里
                         )
-                        # logger.debug(f"[INFO] 告警记录已插入数据库: person_id={result['passed_person_id']}")
+                        
+                        # 查询近escort_window_hours小时内的PRISONER_OUT记录数
+                        historical_alert_count = alert_service.get_alert_count_by_person_and_time(
+                            person_id=int(passed_person_id),
+                            alert_type=AlertType.PRISONER_OUT,
+                            hours=self.escort_window_hours
+                        )
+                        
+                        logger.info(f"[INFO] 告警记录已插入数据库: person_id={passed_person_id}, 历史记录数: {historical_alert_count}")
                 except Exception as e:
-                    logger.error(f"[ERROR] 插入告警记录失败: {e}")
+                    logger.error(f"[ERROR] 数据库操作失败: {e}")
 
             result = {
                 'bbox': face.bbox.astype(int).tolist(),
@@ -285,6 +296,7 @@ class VideoFacePrisonBiz(BaseFaceBiz):
                 'is_match': is_match,
                 'has_passed': has_passed,  # 新增：是否已经通过
                 'passed_person_id': passed_person_id,  # 新增：通过的person_id
+                'historical_alert_count': historical_alert_count,  # 新增：历史报警记录数
                 'det_score': float(face.det_score),
                 'quality_metrics': quality_metrics,
                 'is_acceptable': is_acceptable

services/sur_alert_record_service.py

@@ -273,3 +273,43 @@ class SurAlertRecordService:
             self.db.rollback()
             logger.error(f"Failed to delete alert record: {e}")
             return False
+
+    def get_alert_count_by_person_and_time(
+        self,
+        person_id: int,
+        alert_type: int,
+        hours: int
+    ) -> int:
+        """
+        查询指定人员和时间范围内的告警记录数
+
+        Args:
+            person_id: 人员ID
+            alert_type: 告警类型
+            hours: 小时数（从当前时间往前推算）
+
+        Returns:
+            告警记录数
+        """
+        from datetime import datetime, timedelta
+        
+        # 计算时间范围
+        end_time = datetime.now()
+        start_time = end_time - timedelta(hours=hours)
+        
+        try:
+            count = (
+                self.db.query(SurAlertRecord)
+                .filter(
+                    SurAlertRecord.person_id == person_id,
+                    SurAlertRecord.alert_type == alert_type,
+                    SurAlertRecord.created_time >= start_time,
+                    SurAlertRecord.created_time <= end_time
+                )
+                .count()
+            )
+            logger.debug(f"查询到人员 {person_id} 在最近 {hours} 小时内类型 {alert_type} 的告警记录数: {count}")
+            return count
+        except Exception as e:
+            logger.error(f"查询告警记录数失败: {e}")
+            return 0